TY - JOUR
TI - Isolation of cDNAs encoding 6‐phosphogluconate dehydrogenase and glucose‐6‐phosphate dehydrogenase from the mediterranean fruit fly Ceratitis capitata: correlating genetic and physical maps of chromosome 5
AU - Scott, M. J.
AU - Kriticou, D.
AU - Robinson, A. S.
T2 - Insect Molecular Biology
AB - We have isolated and determined the nucleotide sequences for cDNA clones encoding glucose-6-phosphate dehydrogenase (G6PD) and 6-phosphogluconate dehydrogenase (6PGD) from the medfly Ceratitis capitata. The derived amino acid sequences for G6PD and 6PGD are presented and compared with G6PDs and 6PGDs from other species. The codon usage of the cDNA clones has little bias with the notable exceptions of arginine, glycine and leucine. The chromosomal location of the genes for 6PGD and G6PD were determined by in situ hybridization to salivary gland polytene chromosomes. This localization orients a genetic map of enzymatic loci and illustrates a remarkable similarity in the intra chromosomal order of homologous genes between Drosophila melanogaster and medfly.
DA - 1993/5//
PY - 1993/5//
DO - 10.1111/j.1365-2583.1993.tb00094.x
VL - 1
IS - 4
SP - 213-222
J2 - Insect Molecular Biology
LA - en
OP -
SN - 0962-1075 1365-2583
UR - http://dx.doi.org/10.1111/j.1365-2583.1993.tb00094.x
DB - Crossref
ER -
TY - BOOK
TI - The Biodiversity of Microorganisms and Invertebrates edited by D.L Hawksworth
AU - Andow, D.A.
AU - Hawksworth, D.L.
DA - 1993///
PY - 1993///
VL - 22
SE - 879–880
ER -
TY - JOUR
TI - Mustard as an antifeedant for Epilachna varivestis adults
AU - Andow, D.A.
T2 - Coleopterists Bulletin
DA - 1993///
PY - 1993///
VL - 47
SP - 131–135
ER -
TY - CHAP
TI - Spread of invading organisms: Patterns of spread
AU - Andow, D.A.
AU - Kareiva, P.M.
AU - Levin, S.A.
AU - Okubo, A.
T2 - Evolution of Insect Pests: The Patterns of Variations
A2 - Kim, K.C.
A2 - McPheron, B.
PY - 1993///
SP - 219–241
PB - John Wiley and Sons
ER -
TY - BOOK
TI - Development of resistance in sweet corn to European corn borer
AU - Davis, D.W.
AU - Andow, D.A.
AU - Hutchison, W.
AU - Sauter, K.
AU - Gingera, G.
DA - 1993///
PY - 1993///
PB - Minnesota/ Wisconsin Food Processors Association
ER -
TY - CHAP
TI - Augmenting natural enemies in maize using vegetational diversity
AU - Andow, D.A.
T2 - Use of Biological Control Agents under Integrated Pest Management
PY - 1993///
SP - 31–64
PB - Food and Fertilizer Technology Center
ER -
TY - JOUR
TI - Mid-parent heterosis and combining ability of European corn borer resistance in maize
AU - Lamb, Elizabeth M.
AU - Davis, David W.
AU - Andow, David A.
T2 - Euphytica
DA - 1993/1//
PY - 1993/1//
DO - 10.1007/bf00023774
VL - 72
IS - 1-2
SP - 65-72
J2 - Euphytica
LA - en
OP -
SN - 0014-2336 1573-5060
UR - http://dx.doi.org/10.1007/bf00023774
DB - Crossref
ER -
TY - JOUR
TI - Antennal sensilla of female Trichogramma nubilale (Ertle and Davis) (Hymenoptera : Trichogrammatidae) and comparisons with other parasitic Hymenoptera
AU - Olson, D.M.
AU - Andow, D.A.
T2 - International Journal of Insect Morphology and Embryology
AB - We describe the external morphology and relative positions of antennal sensilla of female Trichgramma nubilale (Hymenoptera : Trichogrammatidae) by scanning electron microscopy (SEM), and compared the results with 11 similar studies representing 15 species and 8 families within the parasitic Hymenoptera. There are 6 morphologically and structurally distinct structures on female T. nubilale antennae, which are probably sensilla, and one seta and one campaniform-like structure that may have a sensory function. Sensilla pore numbers and positions suggests that the multiporous grooved basiconica (MPG) C, multiporous pitted (MPP) trichodea A and the MPP placodea A have an olfactory function, whereas the MPP trichodea C have a gustatory function. The lack of pores and the presence of a basal socket suggests a mechanoreceptor function for aporous (AP) trichodea B, and the uniporous pitted (UPP) trichodea D, although, the latter also have a minute pore or dimple at the sensillar apex. Positions and numbers of these sensilla, setae and campaniform-like structures were consistent in all the specimens examined. These analyses suggest that antennal sensilla types and relative positions are highly conserved within the genus Trichogramma, and there are broad similarities within the parasitic Hymenoptera.
DA - 1993/12//
PY - 1993/12//
DO - 10.1016/0020-7322(93)90037-2
VL - 22
IS - 5
SP - 507-520
J2 - International Journal of Insect Morphology and Embryology
LA - en
OP -
SN - 0020-7322
UR - http://dx.doi.org/10.1016/0020-7322(93)90037-2
DB - Crossref
ER -
TY - JOUR
TI - Registration of Three European Corn Borer Resistant Sweet Corn Germplasm Lines: A684su A685su, and A686su
AU - Davis, D. W.
AU - Andow, D. A.
AU - Hutchison, W. D.
T2 - Crop Science
AB - Crop ScienceVolume 33, Issue 6 cropsci1993.0011183X003300060086x p. 1422-1423 Registration of Germplasm Registration of Three European Corn Borer Resistant Sweet Corn Germplasm Lines: A684su A685su, and A686su D. W. Davis, Corresponding Author D. W. Davis n/a@.dne Corresponding author.Search for more papers by this authorD. A. Andow, D. A. AndowSearch for more papers by this authorW. D. Hutchison, W. D. HutchisonSearch for more papers by this author D. W. Davis, Corresponding Author D. W. Davis n/a@.dne Corresponding author.Search for more papers by this authorD. A. Andow, D. A. AndowSearch for more papers by this authorW. D. Hutchison, W. D. HutchisonSearch for more papers by this author First published: 01 November 1993 https://doi.org/10.2135/cropsci1993.0011183X003300060086xCitations: 4AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article.Citing Literature Volume33, Issue6November–December 1993Pages 1422-1423 RelatedInformation
DA - 1993/11//
PY - 1993/11//
DO - 10.2135/cropsci1993.0011183x003300060086x
VL - 33
IS - 6
SP - 1422-1423
J2 - Crop Science
LA - en
OP -
SN - 0011-183X 1435-0653
UR - http://dx.doi.org/10.2135/cropsci1993.0011183x003300060086x
DB - Crossref
ER -
TY - JOUR
TI - Development of antibodies against hydroxyatrazine and hydroxysimazine: Application to environmental samples
AU - Lucas, Anne D.
AU - Bekheit, Hassan K. M.
AU - Goodrow, Marvin H.
AU - Jones, A. Daniel.
AU - Kullman, Seth.
AU - Matsumura, Fumio.
AU - Woodrow, James E.
AU - Seiber, James N.
AU - Hammock, Bruce D.
T2 - Journal of Agricultural and Food Chemistry
AB - ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDevelopment of antibodies against hydroxyatrazine and hydroxysimazine: Application to environmental samplesAnne D. Lucas, Hassan K. M. Bekheit, Marvin H. Goodrow, A. Daniel. Jones, Seth. Kullman, Fumio. Matsumura, James E. Woodrow, James N. Seiber, and Bruce D. HammockCite this: J. Agric. Food Chem. 1993, 41, 9, 1523–1529Publication Date (Print):September 1, 1993Publication History Published online1 May 2002Published inissue 1 September 1993https://doi.org/10.1021/jf00033a032RIGHTS & PERMISSIONSArticle Views95Altmetric-Citations24LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days.Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts.The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Clicking on the donut icon will load a page at altmetric.com with additional details about the score and the social media presence for the given article. Find more information on the Altmetric Attention Score and how the score is calculated. Share Add toView InAdd Full Text with ReferenceAdd Description ExportRISCitationCitation and abstractCitation and referencesMore Options Share onFacebookTwitterWechatLinked InReddit PDF (961 KB) Get e-Alerts Get e-Alerts
DA - 1993/9/1/
PY - 1993/9/1/
DO - 10.1021/jf00033a032
VL - 41
IS - 9
SP - 1523-1529
J2 - J. Agric. Food Chem.
LA - en
OP -
SN - 0021-8561 1520-5118
UR - http://dx.doi.org/10.1021/jf00033a032
DB - Crossref
ER -
TY - CHAP
TI - Carcinogenesis
AU - Smart, R.C.
T2 - Biochemical Toxicology
A2 - Hodgson, E.
A2 - Levi, P.E.
PY - 1993///
ET - 2nd
SP - 381–414
PB - Appleton and Lange
ER -
TY - JOUR
TI - Diacylglycerol is an effector of the clonal expansion of cells containing activated Ha-ras genes
AU - Mills, Kevin J.
AU - Reynolds, Steven H.
AU - Smart, Robert C.
T2 - Carcinogenesis
AB - Diacylglycerols (DAG) are lipid second messengers which are generated during phospholipase-catalyzed hydrolysis of phospholipids. The model DAG, sn-1,2-didecanoylglycerol (DIC10), is an effective topical tumor promoter in 7,12-dimethylbenz[a]anthracene (DMBA)-initiated mouse skin. We now report that 11/12 of DMBA-initiated/DIC10-promoted papillomas examined contain an A-->T mutation in the 61st codon of the Ha-ras gene, suggesting that DAGs affect the clonal expansion of activated Ha-ras-containing cells. To explore further the DIC10-induced clonal expansion of activated Ha-ras-containing cells, we have examined the tumor-promoting effect of DIC10 in the skin of transgenic TG.AC mice, which harbor a v-Ha-ras transgene. By 9 weeks of promotion, 100% of the TG.AC mice developed squamous papillomas and by 15 weeks these mice developed > 20 papillomas/mouse. Because fatty acids are known to participate in signal transduction pathways, and since cellular lipases could cleave the fatty acid side chains present in DIC10, we have examined the tumor promoting activity of n-decanoic acid to verify the specificity of promotional activity of DIC10. n-Decanoic acid did not function as a tumor promoter. These data implicate DAG as an effector of the clonal expansion of mutated Ha-ras-containing cells, and support a mechanism whereby an increase in endogenous DAG could contribute to the clonal expansion of cells containing a Ha-ras oncogene.
DA - 1993///
PY - 1993///
DO - 10.1093/carcin/14.12.2645
VL - 14
IS - 12
SP - 2645-2648
J2 - Carcinogenesis
LA - en
OP -
SN - 0143-3334 1460-2180
UR - http://dx.doi.org/10.1093/carcin/14.12.2645
DB - Crossref
ER -
TY - JOUR
TI - Characterization of benzo[a]pyrene-initiated mouse skin papillomas for Ha-ras mutations and protein kinase C levels
AU - Colapietro, Anne-Marie
AU - Goodell, Audrey L.
AU - Smart, Robert C.
T2 - Carcinogenesis
AB - Journal Article Characterization of benzo[a]pyrene-initiated mouse skin papillomas for Ha-ras mutations and protein kinase C levels Get access Anne-Marie Colapietro, Anne-Marie Colapietro Department of Toxicology, North Carolina State UniversityRaleigh, NC 27695–7633, USA. Search for other works by this author on: Oxford Academic PubMed Google Scholar Audrey L. Goodell, Audrey L. Goodell Department of Toxicology, North Carolina State UniversityRaleigh, NC 27695–7633, USA. Search for other works by this author on: Oxford Academic PubMed Google Scholar Robert C. Smart Robert C. Smart 1 Department of Toxicology, North Carolina State UniversityRaleigh, NC 27695–7633, USA. 1To whom correspondence should be addressed Search for other works by this author on: Oxford Academic PubMed Google Scholar Carcinogenesis, Volume 14, Issue 11, November 1993, Pages 2289–2295, https://doi.org/10.1093/carcin/14.11.2289 Published: 01 November 1993 Article history Received: 13 May 1993 Revision received: 27 July 1993 Accepted: 13 August 1993 Published: 01 November 1993
DA - 1993///
PY - 1993///
DO - 10.1093/carcin/14.11.2289
VL - 14
IS - 11
SP - 2289-2295
J2 - Carcinogenesis
LA - en
OP -
SN - 0143-3334 1460-2180
UR - http://dx.doi.org/10.1093/carcin/14.11.2289
DB - Crossref
ER -
TY - JOUR
TI - Characterization of skin tumor promotion by mirex: structure-activity relationships, sexual dimorphism and presence of Ha-ras mutation
AU - Moser, Glenda J.
AU - Robinette, C.Lee
AU - Smart, Robert C.
T2 - Carcinogenesis
AB - In the present study we have compared the tumor-promoting activity of the non-phorbol ester-type skin tumor promoter, mirex, a halogenated cycloalkane pesticide, to the following: (i) chlordane, a halogenated cycloalkene pesticide; (ii) 1, 1-bis (4-chlorophenyl)-2, 2, 2-trichloroethane (DDT), a halogenated bridged aromatic pesticide; and (iii) kepone, a halogenated cycloalkane pesticide, which only differs from mirex by the substitution of two chlorine atoms with an oxygen atom. Topical application of 200 nmol mirex three times weekly for 20 weeks to 7, 12-dimethylbenz[a]anthracene (DMBA)-initiated female mouse skin produced ∼ 16 tumors/mouse with a 96% incidence of tumor bearing mice. Neither chlordane (2 μmol) or DDT (5 μmol) promoted tumors in DMBA-initiated mouse skin after three times weekly application for 20 weeks. Unexpectedly, DMBA-initiated mice treated with 250 nmol kepone three times weekly for 20 weeks did not develop any tumors, demonstrating that the replacement of two chlorine atoms by an oxygen atom results in loss of the skin tumor-promoting activity of mirex. To further characterize mirex-induced skin tumor promotion, male mice were initiated with a single topical application of 200 nmol DMBA and promoted topically three times weekly for 20 weeks with 200 nmol mirex. As compared to female mice, male mice demonstrated (i) 70% fewer tumors/mouse, (ii) decreased incidence of tumor bearing mice, (iii) increased time to first tumor and (iv) increased latency. To determine the role of ovarian hormones in the increased sensitivity of female mice, mice were initiated with DMBA, ovariectomized (OVX) 2 weeks later and then promoted with mirex. OVX mice exhibited 70% fewer tumors/mouse and a 40% decrease in incidence of tumor-bearing mice as compared to controls. Finally, >90% of DMBA-initiated/mirex-promoted papillomas from male mice and female mice demonstrated a mutated Ha-ras gene with an A ↑ T transversion in the middle base of the 61st codon. Collectively, these data indicate that the tumor-promoting ability of mirex is highly structure specific, and ovarian hormones are a factor in the increased sensitivity of female mice to the skin tumor-promoting ability of mirex. Futhermore, mirex appears to clonally expand epidermal cells with a mutated Ha-ras oncogene.
DA - 1993///
PY - 1993///
DO - 10.1093/carcin/14.6.1155
VL - 14
IS - 6
SP - 1155-1160
J2 - Carcinogenesis
LA - en
OP -
SN - 0143-3334 1460-2180
UR - http://dx.doi.org/10.1093/carcin/14.6.1155
DB - Crossref
ER -
TY - JOUR
TI - Studies on the relation between the changes of endogenous IPA and the growth of cell of Arnebia euchroma during the culture
AU - Xie, De-Yu
AU - Li, Guozhen
AU - Ye, Hechun
AU - Li, Guofeng
T2 - Journal of Jishou University (Natural Science)
DA - 1993///
PY - 1993///
VL - 14
IS - 6
SP - 29–31
ER -
TY - CONF
TI - Characterization of a Borrelia isolate from Florida
AU - Breitschwerdt, E.B.
AU - Nicholson, W.L.
AU - Kiehl, A.R.
AU - Champion, L.
AU - Howard, P.
AU - Levine, J.F.
T2 - 2nd Workshop on Lyme disease in the Southeastern United States
C2 - 1993/9//
CY - Raleigh, NC
DA - 1993/9//
PY - 1993/9//
ER -
TY - CONF
TI - Reservoir Competence of Rice Rats and Lizards for Borrelia burgdorferi
AU - Levin, M.
AU - Levine, J.F.
AU - Norris, D.E.
AU - Howard, P.
AU - Yang, S.
AU - Apperson, CS
T2 - 2nd Workshop on Lyme disease in the Southeastern United States
C2 - 1993/9//
CY - Raleigh, NC
DA - 1993/9//
PY - 1993/9//
ER -
TY - CONF
TI - Reservoir Competence of the Raccoon (Procyon lotor) for the Lyme Disease Spirochete, Borrelia burgdorferi
AU - Norris, D.E.
AU - Levine, J.F.
AU - Apperson, C.S.
T2 - 2nd Workshop on Lyme disease in the Southeastern United States
C2 - 1993/9//
CY - Raleigh, North Carolina
DA - 1993/9//
PY - 1993/9//
ER -
TY - CONF
TI - Tick-raccoon Associations in the Coastal Plain of North Carolina
AU - Ouelette, JR
AU - Howard, P
AU - Levine, J.F.
AU - Evans, T.
AU - Apperson, C.S.
T2 - 2nd Workshop on Lyme disease in the Southeastern United States
C2 - 1993/9//
CY - Raleigh, North Carolina
DA - 1993/9//
PY - 1993/9//
ER -
TY - CONF
TI - Ticks, Their Hosts and Borrelia burgdorferi on the Outer Banks of North Carolina
AU - Levine, J.F.
AU - Apperson, C.S.
AU - Strider, JB
AU - Levin, M.
AU - Ryan, JR
AU - Howard, P
AU - Coughlin, W.
AU - Knight, M.
AU - Yang, S.
T2 - 2nd Workshop on Lyme disease in the Southeastern United States
C2 - 1993/9//
CY - Raleigh, North Carolina
DA - 1993/9//
PY - 1993/9//
ER -
TY - CHAP
TI - Biocatalysis at extreme temperatures
AU - Kelly, R.M.
T2 - Research opportunities in biomolecular engineering : the interface between chemical engineering and biology, December 7-8, 1992, proceedings
A2 - Georgiou, G.
A2 - Glowinski, I.
PY - 1993///
PB - NIH Press
ER -
TY - JOUR
TI - Purification and characterization of a novel amylolytic enzyme from ES 4, a marine hyperthermophilic archaeum
AU - Schuliger, J.W.
AU - Brown, S.H.
AU - Baross, J.A.
AU - Kelly, R.M.
T2 - Molecular Marine Biology and Biotechnology
DA - 1993///
PY - 1993///
VL - 2
IS - 2
SP - 76–87
ER -
TY - RPRT
TI - Method for glucose isomerization using xylose isomerase purified from Thermotoga maritima and Thermotoga neapolitana
AU - Starnes, R.L.
AU - Kelly, R.M.
AU - Brown, S.H.
DA - 1993/12//
PY - 1993/12//
M1 - 5,268,280
M3 - US Patent
SN - 5,268,280
ER -
TY - RPRT
TI - Novel Isomerization Enzymes
AU - Starnes, R.L.
AU - Kelly, R.M.
AU - Brown, S.H.
DA - 1993/6/15/
PY - 1993/6/15/
M1 - 5,219,751
M3 - U.S. Patent
SN - 5,219,751
ER -
TY - RPRT
TI - Proteolytic Enzymes from Hyperthermophilic Bacteria and Processes for their Production
AU - Kelly, R.M.
AU - Robinson, A.S.
AU - Blumentals, I.I.
AU - Brown, S.H.
AU - Anfinsen, C.B.
DA - 1993/9/7/
PY - 1993/9/7/
M1 - 5,242,817
M3 - US Patent
SN - 5,242,817
ER -
TY - JOUR
TI - Regulation of ribosomal RNA transcription by growth rate of the hyperthermophilic Archaeon,Pyrococcus furiosus
AU - DiRuggiero, Jocelyne
AU - Achenbach, Laurie A.
AU - Brown, Stephen H.
AU - Kelly, Robert M.
AU - Robb, Frank T.
T2 - FEMS Microbiology Letters
AB - We have studied the single rRNA gene cluster from the Archaeon, Pyrococcus furiosus. This isolate grows optimally at 100 degrees C and is thus a hyperthermophile. In P. furiosus, transcription of 16S rRNA is subject to regulation over a 7.5-fold range in response to a 20-fold increase in growth rate. The single cluster encoding the 16S and 23S rRNA genes of P. furiosus was cloned and the 1.9 kb region upstream of the 16S rRNA gene was sequenced.
DA - 1993/8//
PY - 1993/8//
DO - 10.1111/j.1574-6968.1993.tb06379.x
VL - 111
IS - 2-3
SP - 159-164
LA - en
OP -
SN - 0378-1097 1574-6968
UR - http://dx.doi.org/10.1111/j.1574-6968.1993.tb06379.x
DB - Crossref
ER -
TY - JOUR
TI - Characterization of Amylolytic Enzymes, Having Both α-1,4 and α-1,6 Hydrolytic Activity, from the Thermophilic Archaea
Pyrococcus furiosus
and
Thermococcus litoralis
AU - Brown, Stephen H.
AU - Kelly, Robert M.
T2 - Applied and Environmental Microbiology
AB - Extracellular pullulanases were purified from cell-free culture supernatants of the marine thermophilic archaea Thermococcus litoralis (optimal growth temperature, 90°C) and Pyrococcus furiosus (optimal growth temperature, 98°C). The molecular mass of the T. litoralis enzyme was estimated at 119,000 Da by electrophoresis, while the P. furiosus enzyme exhibited a molecular mass of 110,000 Da under the same conditions. Both enzymes tested positive for bound sugar by the periodic acid-Schiff technique and are therefore glycoproteins. The thermoactivity and thermostability of both enzymes were enhanced in the presence of 5 mM Ca 2+ , and under these conditions, enzyme activity could be measured at temperatures of up to 130 to 140°C. The addition of Ca 2+ also affected substrate binding, as evidenced by a decrease in K m for both enzymes when assayed in the presence of this metal. Each of these enzymes was able to hydrolyze, in addition to the α-1,6 linkages in pullulan, α-1,4 linkages in amylose and soluble starch. Neither enzyme possessed activity against maltohexaose or other smaller α-1,4-linked oligosaccharides. The enzymes from T. litoralis and P. furiosus appear to represent highly thermostable amylopullulanases, versions of which have been isolated from less-thermophilic organisms. The identification of these enzymes further defines the saccharide-metabolizing systems possessed by these two organisms.
DA - 1993/8//
PY - 1993/8//
DO - 10.1128/aem.59.8.2614-2621.1993
VL - 59
IS - 8
SP - 2614-2621
J2 - Appl Environ Microbiol
LA - en
OP -
SN - 0099-2240 1098-5336
UR - http://dx.doi.org/10.1128/aem.59.8.2614-2621.1993
DB - Crossref
ER -
TY - JOUR
TI - Purification and characterization of a highly thermostable glucose isomerase produced by the extremely thermophilic eubacterium,Thermotoga maritima
AU - Brown, Stephen H.
AU - Sjøholm, Carsten
AU - Kelly, Robert M.
T2 - Biotechnology and Bioengineering
AB - Abstract Thermotoga maritima , among the most thermophilic eubacteria currently known, produces glucose isomerase when grow in the presence of xylose. The purified enzyme is a homotetramer with submit molecular Wight of about 45,000. It has a number of features in common with previously described glucose isomerases‐pH optimum of 6.5 to 7.5, presence of activesite histidine, requirement for metal cations such as Co 2+ and Mg 2+ , and preference for xylose as substrate. In addition, it has significant sequence/structural homology with other glucose isomerases, as shown by both N‐terminal sequencing and immunological crossreactivity. The T. maritima enzyme is distinguished by its extreme thermostability–a temperature optimum of 105 to 110°C, and an estimated half‐life of 10 minutes at 120°C, pH 7.0. The high degree of thermostability, coupled with a neutral to slightly acid pH optimum, reveal this enzyme to be a promising candidate for improvement of the industrial glucose isomerization process © 1993 Wiley & Sons, Inc.
DA - 1993/4/15/
PY - 1993/4/15/
DO - 10.1002/bit.260410907
VL - 41
IS - 9
SP - 878-886
J2 - Biotechnol. Bioeng.
LA - en
OP -
SN - 0006-3592
UR - http://dx.doi.org/10.1002/bit.260410907
DB - Crossref
KW - THERMOTOGA - MARITIMA
KW - THERMOPHILE
KW - GLUCOSE ISOMERASE
ER -
TY - JOUR
TI - Influence of tungsten on metabolic patterns in Pyrococcus furiosus, a hyperthermophilic archaeon
AU - Schicho, Richard N.
AU - Snowden, Lesley J.
AU - Mukund, Swarnalatha
AU - Park, Jae-Bum
AU - Adams, Michael W. W.
AU - Kelly, Robert M.
T2 - Archives of Microbiology
DA - 1993/4//
PY - 1993/4//
DO - 10.1007/bf00290921
VL - 159
IS - 4
SP - 380-385
J2 - Arch. Microbiol.
LA - en
OP -
SN - 0302-8933 1432-072X
UR - http://dx.doi.org/10.1007/bf00290921
DB - Crossref
KW - PYROCOCCUS-FURIOSUS
KW - HYPERTHERMOPHILIC ARCHAEA
KW - MALTOSE FERMENTATION
KW - PEPTIDE FERMENTATION
KW - TUNGSTEN
KW - ALPHA-GLUCOSIDASE
KW - ALDEHYDE FERREDOXIN OXIDOREDUCTASE
ER -
TY - CHAP
TI - Biocatalysis: An overview
AU - Kelly, R.M.
AU - Whitesides, G.
T2 - Research opportunities in biomolecular engineering : the interface between chemical engineering and biology, December 7-8, 1992, proceedings
A2 - Georgiou, G.
A2 - Glowinski, I.
PY - 1993///
PB - NIH Press
ER -
TY - JOUR
TI - Bioenergetics of the metal/sulfur-oxidizing extreme thermoacidophile, Metallosphaera sedula
AU - Peeples, T.L
AU - Kelly, R.M.
T2 - Fuel
AB - Identification of more effective biocatalysts than Thiobacillus ferrooxidans has been of interest for the optimization of biological removal of inorganic sulfur from coal. The recently isolated thermoacidophile, Metallosphaera sedula, leaches metal sulfides at rapid rates and could be a feasible biocatalytic alternative for such use. The bioenergetic and biocatalytic features of M. sedula as they apply to metal leaching, with particular attention to coal pyrite oxidation, are currently being evaluated. The questions examined include (1) how does M. sedula compare with other microorganisms with similar bioleaching capabilities, (2) how do inorganic energy substrates factor into M. sedula's metabolic scheme, and (3) how can higher metal leaching rates be achieved with M. sedula?
DA - 1993/12//
PY - 1993/12//
DO - 10.1016/0016-2361(93)90345-3
VL - 72
IS - 12
SP - 1619-1624
J2 - Fuel
LA - en
OP -
SN - 0016-2361
UR - http://dx.doi.org/10.1016/0016-2361(93)90345-3
DB - Crossref
KW - MICROBIAL DESULFURIZATION
KW - COAL
KW - PYRITE
ER -
TY - JOUR
TI - Hydrogenase of the hyperthermophile Pyrococcus furiosus is an elemental sulfur reductase or sulfhydrogenase: evidence for a sulfur-reducing hydrogenase ancestor.
AU - Ma, K.
AU - Schicho, R. N.
AU - Kelly, R. M.
AU - Adams, M. W.
T2 - Proceedings of the National Academy of Sciences
AB - Microorganisms growing near and above 100 degrees C have recently been discovered near shallow and deep sea hydrothermal vents. Most are obligately dependent upon the reduction of elemental sulfur (S0) to hydrogen sulfide (H2S) for optimal growth, even though S0 reduction readily occurs abiotically at their growth temperatures. The sulfur reductase activity of the anaerobic archaeon Pyrococcus furiosus, which grows optimally at 100 degrees C by a metabolism that produces H2S if S0 is present, was found in the cytoplasm. It was purified anaerobically and was shown to be identical to the hydrogenase that had been previously purified from this organism. Both S0 and polysulfide served as substrates for H2S production, and the S0 reduction activity but not the H2-oxidation activity was enhanced by the redox protein rubredoxin. The H2-oxidizing and S0-reduction activities of the enzyme also showed different responses to pH, temperature, and inhibitors. This bifunctional "sulfhydrogenase" enzyme can, therefore, dispose of the excess reductant generated during fermentation using either protons or polysulfides as the electron acceptor. In addition, purified hydrogenases from both hyperthermophilic and mesophilic representatives of the archaeal and bacterial domains were shown to reduce S0 to H2S. It is suggested that the function of some form of ancestral hydrogenase was S0 reduction rather than, or in addition to, the reduction of protons.
DA - 1993/6/1/
PY - 1993/6/1/
DO - 10.1073/pnas.90.11.5341
VL - 90
IS - 11
SP - 5341-5344
J2 - Proceedings of the National Academy of Sciences
LA - en
OP -
SN - 0027-8424 1091-6490
UR - http://dx.doi.org/10.1073/pnas.90.11.5341
DB - Crossref
KW - HYDROGEN ACTIVATION
KW - POLYSULFIDE REDUCTION
KW - GEOTHERMAL BIOLOGY
KW - EVOLUTION
ER -
TY - JOUR
TI - Bioenergetics of sulfur reduction in the hyperthermophilic archaeon Pyrococcus furiosus
AU - Schicho, R N
AU - Ma, K
AU - Adams, M W
AU - Kelly, R M
T2 - Journal of Bacteriology
AB - The bioenergetic role of the reduction of elemental sulfur (S0) in the hyperthermophilic archaeon (formerly archaebacterium) Pyrococcus furiosus was investigated with chemostat cultures with maltose as the limiting carbon source. The maximal yield coefficient was 99.8 g (dry weight) of cells (cdw) per mol of maltose in the presence of S0 but only 51.3 g (cdw) per mol of maltose if S0 was omitted. However, the corresponding maintenance coefficients were not found to be significantly different. The primary fermentation products detected were H2, CO2, and acetate, together with H2S, when S0 was also added to the growth medium. If H2S was summed with H2 to represent total reducing equivalents released during fermentation, the presence of S0 had no significant effect on the pattern of fermentation products. In addition, the presence of S0 did not significantly affect the specific activities in cell extracts of hydrogenase, sulfur reductase, alpha-glucosidase, or protease. These results suggest either that S0 reduction is an energy-conserving reaction, i.e., S0 respiration, or that S0 has a stimulatory effect on or helps overcome a process that is yield limiting. A modification of the Entner-Doudoroff glycolytic pathway has been proposed as the primary route of glucose catabolism in P. furiosus (S. Mukund and M. W. W. Adams, J. Biol. Chem. 266:14208-14216, 1991). Operation of this pathway should yield 4 mol of ATP per mol of maltose oxidized, from which one can calculate a value of 12.9 g (cdw) per mol of ATP for non-S0 growth. Comparison of this value to the yield data for growth in the presence of S0 reduction is equivalent to an ATP yield of 0.5 mol of ATP per mol of S0 reduced. Possible mechanism to account for this apparent energy conservation are discussed.
DA - 1993/3//
PY - 1993/3//
DO - 10.1128/jb.175.6.1823-1830.1993
VL - 175
IS - 6
SP - 1823-1830
J2 - J Bacteriol
LA - en
OP -
SN - 0021-9193 1098-5530
UR - http://dx.doi.org/10.1128/jb.175.6.1823-1830.1993
DB - Crossref
ER -
TY - JOUR
TI - Enzymes from high-temperature microorganisms
AU - Kelly, Robert M.
AU - Brown, Stephen H.
T2 - Current Opinion in Biotechnology
AB - Enzymes derived from microorganisms growing at extreme temperatures are of biotechnological use as highly thermostable biocatalysts and should provide insight into the intrinsic basis of protein stability. So far, only DNA polymerases from these organisms have been put to commercial use, although the application of other classes of highly thermostable enzymes is being considered. Problems in the cultivation of high-temperature microorganisms and in the production of their enzymes still hampers progress in this field.
DA - 1993/4//
PY - 1993/4//
DO - 10.1016/0958-1669(93)90123-e
VL - 4
IS - 2
SP - 188-192
J2 - Current Opinion in Biotechnology
LA - en
OP -
SN - 0958-1669
UR - http://dx.doi.org/10.1016/0958-1669(93)90123-e
DB - Crossref
ER -
TY - JOUR
TI - Preliminary X-ray Diffraction Studies of Ribgrass Mosaic Virus
AU - Wang, Hong
AU - Planchart, Antonio
AU - Allen, Diane
AU - Pattanayek, Rekha
AU - Stubbs, Gerald
T2 - Journal of Molecular Biology
AB - Fiber diffraction data were collected from oriented sols of ribgrass mosaic virus and a lead derivative of the virus. Two lead binding sites were found. Two intersubunit carboxyl-carboxylate pairs, different from those in other tobamoviruses, are predicted to control vital assembly and disassembly. One of the carboxyl-carboxylate pairs forms part of a lead binding site.
DA - 1993/12//
PY - 1993/12//
DO - 10.1006/jmbi.1993.1639
VL - 234
IS - 3
SP - 902-904
J2 - Journal of Molecular Biology
LA - en
OP -
SN - 0022-2836
UR - http://dx.doi.org/10.1006/jmbi.1993.1639
DB - Crossref
KW - VIRUS
KW - RIBGRASS MOSAIC VIRUS
KW - TOBACCO MOSAIC VIRUS
KW - FIBER DIFFRACTION
KW - CARBOXYL-CARBOXYLATE PAIRS
ER -
TY - JOUR
TI - Subcellular volumes and metabolite concentrations in barley leaves
AU - Winter, H.
AU - Robinson, D.G.
AU - Heldt, H.W.
T2 - Planta
DA - 1993///
PY - 1993///
DO - 10.1007/BF00199748
VL - 191
IS - 2
SP - 180-190
UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-0000957432&partnerID=MN8TOARS
ER -
TY - JOUR
TI - Characterization of the N-terminal region within the alkyl hydroperoxide reductase AhpF protein
AU - Ashwell, Christopher M
AU - Poole, Leslie B
T2 - Free Radical Biology and Medicine
DA - 1993///
PY - 1993///
VL - 15
IS - 5
SP - 506
ER -
TY - JOUR
TI - Microsatellite mapping of the gene causing weaver disease in cattle will allow the study of an associated quantitative trait locus.
AU - Georges, M.
AU - Dietz, A. B.
AU - Mishra, A.
AU - Nielsen, D.
AU - Sargeant, L. S.
AU - Sorensen, A.
AU - Steele, M. R.
AU - Zhao, X.
AU - Leipold, H.
AU - Womack, J. E.
T2 - Proceedings of the National Academy of Sciences
AB - A genetic disease in cattle, progressive degenerative myeloencephalopathy (weaver disease), is associated with increased milk production. This association could result from population stratification, from a pleiotropic effect of a single gene, or from linkage disequilibrium between the gene causing weaver disease and a quantitative trait locus (QTL) for milk production. To test these hypotheses, we performed an extensive linkage study in a bovine pedigree segregating for the weaver condition and identified a microsatellite locus (TGLA116) closely linked to the weaver gene (zmax, 8.15; theta, 0.03). TGLA116 and, by extension, the weaver locus were assigned to bovine synteny group 13. This microsatellite can be used to identify weaver carriers, to select against this genetic defect, and to study the effect of the corresponding chromosomal region on milk production in Brown Swiss and other breeds of cattle.
DA - 1993/2/1/
PY - 1993/2/1/
DO - 10.1073/pnas.90.3.1058
VL - 90
IS - 3
SP - 1058-1062
J2 - Proceedings of the National Academy of Sciences
LA - en
OP -
SN - 0027-8424 1091-6490
UR - http://dx.doi.org/10.1073/pnas.90.3.1058
DB - Crossref
KW - ATAXIA
KW - LINKAGE
KW - QTL
ER -
TY - JOUR
TI - Microsatellite mapping of a gene affecting horn development in Bos taurus
AU - Georges, Michel
AU - Drinkwater, Roger
AU - King, Tracey
AU - Mishra, Anuradha
AU - Moore, Stephen S.
AU - Nielsen, Dahlia
AU - Sargeant, Leslie S.
AU - Sorensen, Anita
AU - Steele, Michael R.
AU - Zhao, Xuyun
AU - Womack, James E.
AU - Hetzel, Jay
T2 - Nature Genetics
DA - 1993/6//
PY - 1993/6//
DO - 10.1038/ng0693-206
VL - 4
IS - 2
SP - 206-210
J2 - Nat Genet
LA - en
OP -
SN - 1061-4036 1546-1718
UR - http://dx.doi.org/10.1038/ng0693-206
DB - Crossref
ER -
TY - JOUR
TI - AN INEXPENSIVE INFRARED GROWTH SENSOR ARRAY FOR DETECTION OF BACTERIAL ANTIBIOTIC SUSCEPTIBILITY
T2 - FEMS Microbiology Letters
AB - An inexpensive infrared sensor was constructed and used for the rapid testing of bacterial antibiotic susceptibility by detection of changes in absorbance at 950 nm. By comparing cultures of clinical isolates together with control strains (Escherichia coli NCTC 10418, Staphylococcus aureus NCTC 6571 or Pseudomonas aeruginosa NCTC 10662) after addition of an antibiotic, results on susceptibility were obtained within 3–5 h from the original plate culture. Representative strains of E. coli, P. aeruginosa, and S. aureus were tested successfully against ampicillin, penicillin, gentamicin or ciprofloxacin.
DA - 1993///
PY - 1993///
DO - 10.1016/0378-1097(93)90389-J
UR - https://publons.com/publon/9840930/
ER -
TY - JOUR
TI - What Is Your Diagnosis?
AU - Schulz, K.
AU - Baruffaldi, J.
AU - Carrig, C.
AU - DeFrancesco, T.C.
T2 - Journal of the American Veterinary Medical Association
DA - 1993///
PY - 1993///
VL - 203
IS - 5
SP - 645-646
ER -
TY - JOUR
TI - Chylothorax associated with right-sided heart failure in five cats
AU - Fossum, T.W.
AU - Miller, M.W.
AU - Rogers, K.S.
AU - Bonagura, J.D.
AU - Meurs, K.M.
T2 - Journal of the American Veterinary Medical Association
DA - 1993/12/31/
PY - 1993/12/31/
VL - 204
IS - 1
SP - 84–89
ER -
TY - JOUR
TI - ECG of the Month
AU - Meurs, K.M.
AU - Miller, M.W.
T2 - Journal of the American Veterinary Medical Association
DA - 1993///
PY - 1993///
VL - 203
SP - 649–650
ER -
TY - JOUR
TI - Calmodulin isoforms in Arabidopsis encoded by multiple divergent mRNAs
AU - Gawienowski, Margaret C.
AU - Szymanski, Daniel
AU - Perera, Imara Y.
AU - Zielinski, Raymond E.
T2 - Plant Molecular Biology
DA - 1993/5//
PY - 1993/5//
DO - 10.1007/bf00014930
VL - 22
IS - 2
SP - 215-225
J2 - Plant Mol Biol
LA - en
OP -
SN - 0167-4412 1573-5028
UR - http://dx.doi.org/10.1007/bf00014930
DB - Crossref
KW - ARABIDOPSIS
KW - CALMODULIN SEQUENCE
KW - GENE EXPRESSION
ER -
TY - JOUR
TI - Mechanism-Based Inactivation of Ammonia Monooxygenase in Nitrosomonas europaea by Allylsulfide.
T2 - Applied and environmental microbiology
DA - 1993/11/1/
PY - 1993/11/1/
UR - https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/16349087/?tool=EBI
ER -
TY - JOUR
TI - Inhibition of Ammonia Oxidation in Nitrosomonas europaea by Sulfur Compounds: Thioethers Are Oxidized to Sulfoxides by Ammonia Monooxygenase.
T2 - Applied and environmental microbiology
DA - 1993/11/1/
PY - 1993/11/1/
UR - https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/16349086/?tool=EBI
ER -
TY - JOUR
TI - An electrophoretic study of the thermal- and reductant-dependent aggregation of the 27 kDa component of ammonia monooxygenase from Nitrosomonas europaea.
T2 - Electrophoresis
AB - Standard protocols for sample preparation for sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) typically involve the combined use of heat and a reductant to fully disrupt protein-protein interactions and allow for constant ratios of SDS-binding to individual polypeptides. However, 14C-labeled forms of the membrane-bound, active-site-containing 27 kDa polypeptide of ammonia monooxygenase from Nitrosomonas europaea undergo an aggregation reaction when cells or membranes are heated in the presence of SDS-PAGE sample buffer. The aggregate produced after heating at 100 degrees C is a soluble complex which fails to enter the stacking gel in discontinuous SDS-PAGE gels. The extent of the aggregation reaction is dependent on the temperature of sample preparation, and the reaction exhibits first-order kinetics at 65 degrees C and 100 degrees C (rates constants = 0.07 and 0.35 min-1, respectively). The rate of the aggregation reaction is further dependent on the concentration of reductant used in the sample buffer. However, the concentration of SDS does not significantly affect the rate of aggregation. The aggregated form of the 27 kDA polypeptide can be isolated by gel-permeation chromatography in the presence of SDS. The aggregated protein can also be returned to the monomeric state by incubation at high pH in the presence of SDS. The aggregation reaction also occurs with 14C2H2-labeled polypeptides in other species of autotrophic nitrifiers and a methanotrophic bacterium which expresses the particulate form of methane monooxygenase. We conclude that strongly hydrophobic amino acid sequences present in ammonia monooxygenase are responsible for the aggregation phenomenon.
DA - 1993/7/1/
PY - 1993/7/1/
DO - 10.1002/elps.1150140197
UR - https://doi.org/10.1002/elps.1150140197
ER -
TY - JOUR
TI - In vitro activation of ammonia monooxygenase from Nitrosomonas europaea by copper.
T2 - Journal of bacteriology
AB - The effect of copper on the in vivo and in vitro activity of ammonia monooxygenase (AMO) from the nitrifying bacterium Nitrosomonas europaea was investigated. The addition of CuCl2 to cell extracts resulted in 5- to 15-fold stimulation of ammonia-dependent O2 consumption, ammonia-dependent nitrite production, and hydrazine-dependent ethane oxidation. AMO activity was further stimulated in vitro by the presence of stabilizing agents, including serum albumins, spermine, or MgCl2. In contrast, the addition of CuCl2 and stabilizing agents to whole-cell suspensions did not result in any stimulation of AMO activity. The use of the AMO-specific suicide substrate acetylene revealed two populations of AMO in cell extracts. The low, copper-independent (residual) AMO activity was completely inactivated by acetylene in the absence of exogenously added copper. In contrast, the copper-dependent (activable) AMO activity was protected against acetylene inactivation in the absence of copper. However, in the presence of copper both populations of AMO were inactivated by acetylene. [14C]acetylene labelling of the 27-kDa polypeptide of AMO revealed the same extent of label incorporation in both whole cells and optimally copper-stimulated cell extracts. In the absence of copper, the label incorporation in cell extracts was proportional to the level of residual AMO activity. Other metal ions tested, including Zn2+, Co2+, Ni2+, Fe2+, Fe3+, Ca2+, Mg2+, Mn2+, Cr3+, and Ag+, were ineffective at stimulating AMO activity or facilitating the incorporation of 14C label from [14C]acetylene into the 27-kDa polypeptide. On the basis of these results, we propose that loss of AMO activity upon lysis of N. europaea results from the loss of copper from AMO, generating a catalytically inactive, yet stable and activable, form of the enzyme.
DA - 1993/4/1/
PY - 1993/4/1/
DO - 10.1128/jb.175.7.1971-1980.1993
UR - https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/8458839/?tool=EBI
ER -
TY - JOUR
TI - Hypothesis: the central oscillator of the circadian clock is a controlled chaotic attractor
AU - Lloyd, Alun L.
AU - Lloyd, David
T2 - Biosystems
AB - Controlled chaos may be important for the generation of rhythmic behaviour in living systems. A model is proposed in which the central circadian oscillator is a chaotic attractor. Whereas a limit cycle mechanism (previously invoked to explain circadian clocks as well as ultradian clocks and cell division cycles) can provide only a single stable periodic orbit, a chaotic attractor can generate rich dynamic behaviour. Control by feedback makes accessible a selected stabilized orbit; this can be chosen so as to optimize system performance. Such a system can accommodate a wide variety of requirements, e.g. that a single clock mutation can affect both period and temperature compensation, and the generation of higher periods from an ultradian oscillator. Simultaneous operation of more than one clock (with differing periods) may require a high-dimension chaotic attractor. Attractive features of such a model include versatility of period selection (e.g. as in the per mutants of Drosophila) and the use of control elements of the type already well known in metabolic circuitry.
DA - 1993///
PY - 1993///
DO - http://dx.doi.org/10.1016/0303-2647(93)90085-q
VL - 29
IS - 2-3
SP - 77–85
ER -
TY - JOUR
TI - Reassessment of Heterokaryon Formation in Rhizoctonia Solani Anastomosis Group 4
AU - Cubeta, M. A.
AU - Briones-Ortega, R.
AU - Vilgalys, R.
T2 - Mycologia
AB - Mating compatibility reactions were tested using homokaryotic strains belonging to anastomosis group 4 in the Rhizoctonia solani complex. Previous studies on mating patterns employed tuft formation between paired homokaryons as the primary criterion for detection of heterokaryons. In this study, somatic incompatibility reactions and genetic markers were used to confirm the reliability of tufts as an indication for heterokaryotization. Sixteen homokaryotic, single basidiospore strains from 10 different heterokaryotic field isolates of R. solani anastomosis group 4 were paired in all possible combinations on potato dextrose and 1% charcoal agar, and examined for tuft formation and heterokaryotization. From a total of 136 pairings, 25% (7 of 28) of intrastock and 54% (58 of 108) of interstock pairings produced visbile tufts. Putative heterokaryons from aerial tufts developed into colonies with appressed mycelium that were morphologically distinct from and somatically incompatible with both parental homokaryons. Similarly distinct heterokaryons also were isolated from the interaction zone between some paired homokaryons that did not form tufts. Patterns of nuclear migration were examined by sampling explanted hyphae from either side of the hyphal interaction zone. Heterokaryons were detected on one or both sides of the heterokaryotic tuft in about half of these cases, indicating that heterokaryotization was not restricted to the zone corresponding to tuft formation. Randomly amplified polymorphic DNA (RAPD) markers were used to confirm putative heterokaryons. The results from these studies show that tuft formation is not always indicative of heterokaryotization and suggest a limited role for nuclear migration during mating in R. solani.
DA - 1993/9//
PY - 1993/9//
DO - 10.1080/00275514.1993.12026332
VL - 85
IS - 5
SP - 777-787
J2 - Mycologia
LA - en
OP -
SN - 0027-5514 1557-2536
UR - http://dx.doi.org/10.1080/00275514.1993.12026332
DB - Crossref
ER -
TY - JOUR
TI - Rapid miniprep isolation of mitochondrial DNA from metacestodes, and free- living and parasitic nematodes
AU - Peloquin, J.J.
AU - Bird, D.M.
AU - Platzer, E.G.
T2 - Journal of Parasitology
AB - A method, based on one to isolate supercoiled plasmid DNA from bacterial cells, has been developed to purify mitochondrial DNA (mtDNA) from cestode and nematode tissue easily and efficiently. Starting with as little as 100 mg of helminth tissue, sufficient mtDNA for electrophoretic analysis was extracted. This DNA was essentially free of nuclear DNA and readily digested by restriction endonucleases. Approximately 20% of the mtDNA in helminth tissue was recovered, which is a significant improvement over previously available techniques.
DA - 1993///
PY - 1993///
DO - 10.2307/3283741
VL - 79
IS - 6
SP - 964-967
UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-0027751334&partnerID=MN8TOARS
ER -
TY - JOUR
TI - Ribosomal DNA Sequence Divergence within Internal Transcribed Spacer 1 of the Sclerotiniaceae
AU - Carbone, Ignazio
AU - Kohn, Linda M.
T2 - Mycologia
AB - ABSTRACTBased on morphological and immunological studies, we hypothesize that there are two lineages within the Sclerotiniaceae, a family of plant-infecting ascomycetes in the order Helotiales: 1) genera producing sclerotia, which are tuberlike, melanized masses of hyphae, and 2) genera producing substratal stromata, which are mats of compact hyphae that incorporate plant tissues. We sequenced the Internal Transcribed Spacer (ITS 1), defined by primers ITS 1 and 2, in 43 isolates: 29 sclerotial isolates (19 species in 9 genera), 11 substratal isolates (8 species in 4 genera), and 3 outgroup isolates in the Leotiaceae (3 species in 3 genera). Direct, double-stranded sequencing yielded ca 170 bases for sclerotial isolates and ca 200 bases for substratal and outgroup isolates. MACVECTOR and MULT ALIN were used for global alignment, and multiple alignment with hierarchical clustering, respectively. The Internal Transcribed Spacer showed close similarity among most of the sclerotial taxa (76 to 100% similarity to Sclerotinia sclerotiorum). This supports our hypothesis that a sclerotial lineage exists and suggests that this lineage has evolved relatively recently. Isolates of the asexual (mitotic) species Sclerotium cepivorum showed 98% similarity to those of the genus Sclerotinia. Sequence divergence was greater (45 to 65% similarity to S. sclerotiorum) amongst the substratal taxa and our outgroups. Parsimony analysis produced one statistically strongly supported tree for a group of species in the genus Rutstroemia, including Sclerotinia homoeocarpa. Although such subclusters of species can be distinguished using parsimony analysis, we conclude that a substratal Hneage cannot be discerned based on sequence data from the ITS. Among these more distantly related taxa, including some substratal ingroup taxa and the outgroup taxa, ITS 1 is saturated with changes and shows relatively equal dissimilarity. The variation observed in the ITS does not resolve among more distantly related taxa.Key Words: ascomycetesdiscomycetesinternal transcribed spacertaxonomy
DA - 1993/5//
PY - 1993/5//
DO - 10.2307/3760703
VL - 85
IS - 3
SP - 415
J2 - Mycologia
OP -
SN - 0027-5514
UR - http://dx.doi.org/10.2307/3760703
DB - Crossref
KW - ASCOMYCETES
KW - DISCOMYCETES
KW - INTERNAL TRANSCRIBED SPACER
KW - TAXONOMY
ER -
TY - JOUR
TI - Sex Change and Steroid Profiles in the Protandrous Anemonefish Amphiprion melanopus (Pomacentridae, Teleostei)
AU - Godwin, John R.
AU - Thomas, Peter
T2 - General and Comparative Endocrinology
AB - Plasma profiles of several gonadal steroids and cortisol were examined in a field population of the protandrous, sex-changing anemonefish Amphiprion melanopus to elucidate potential roles of these hormones in gonadal sex change. Sex change was experimentally induced in males by removal of their dominant female pair mates. These sex-changing males were captured and sampled at 5, 10, or 20 days after female removal. Unmanipulated males and females were also sampled. Males had higher plasma levels of 11-ketotestosterone (11-KT) than did females, but had lower levels of androstenedione (Ad), testosterone (T), and estradiol-17 beta (E2). The three androgens showed decreases from male levels at 10 days, then an increasing trend at 20 days after female removal. E2 levels exhibited no changes from male levels until 20 days, when a significant increase over male levels was observed. Mature females had higher levels of Ad, T, and E2 than the 20-day treatment group, indicating that these steroids continue to rise after Day 20. The results support hypothesized roles for androgens in male function and E2 in female function in A. melanopus. However, E2 increases lagged behind oogonial proliferation, arguing against an influence of this steroid in the initiation of female function. Cortisol levels did not differ between males and females, but exhibited an increase during sex change, peaking at 20 days.
DA - 1993/8//
PY - 1993/8//
DO - 10.1006/gcen.1993.1114
VL - 91
IS - 2
SP - 144-157
J2 - General and Comparative Endocrinology
LA - en
OP -
SN - 0016-6480
UR - http://dx.doi.org/10.1006/gcen.1993.1114
DB - Crossref
ER -
TY - JOUR
TI - A Laccase Associated with Lignification in Loblolly Pine Xylem
AU - Bao, W.
AU - O'Malley, D. M.
AU - Whetten, R.
AU - Sederoff, R. R.
T2 - Science
AB - Peroxidase has been thought to be the only enzyme that oxidizes monolignol precursors to initiate lignin formation in plants. A laccase was purified from cell walls of differentiating xylem of loblolly pine and shown to coincide in time and place with lignin formation and to oxidize monolignols to dehydrogenation products in vitro. These results suggest that laccase participates in lignin biosynthesis and therefore could be an important target for genetic engineering to modify wood properties or to improve the digestibility of forage crops.
DA - 1993/4/30/
PY - 1993/4/30/
DO - 10.1126/science.260.5108.672
VL - 260
IS - 5108
SP - 672-674
J2 - Science
LA - en
OP -
SN - 0036-8075 1095-9203
UR - http://dx.doi.org/10.1126/science.260.5108.672
DB - Crossref
ER -
TY - JOUR
TI - The role of laccase in lignification
AU - O'Malley, David M.
AU - Whetten, Ross
AU - Bao, Wuli
AU - Chen, Chen-Loung
AU - Sederoff, Ronald R.
T2 - The Plant Journal
AB - The enzymatic mechanism of monolignol polymerization in lignin biosynthesis is not known, although it has been the subject of significant interest for more than 60 years. Peroxidase had been considered to be the exclusive plant enzyme involved in the oxidative polymerization of lignin precursors. Recently, laccase and laccase-like oxidase activities have been associated with lignification. Laccase is bound to lignifying plant cell walls and can polymerize lignin precursors in vitro. Strong circumstantial evidence from different species implicates this enzyme in the polymerization of lignin precursors. Lignin has a complex structure and it has been difficult to analyze the heterogeneity of lignin by chemical and physical techniques. If lignin precursors are polymerized by enzymes that differ in their catalytic properties, then lignin heterogeneity could be produced by differential expression of multiple enzymes during plant development. When laccase genes are correctly identified, these ideas can be tested in genetic experiments where gain or loss of function can be predicted by the presence or absence of the functional gene.
DA - 1993/11//
PY - 1993/11//
DO - 10.1046/j.1365-313x.1993.04050751.x
VL - 4
IS - 5
SP - 751–757
SN - 0960-7412 1365-313X
UR - http://dx.doi.org/10.1046/j.1365-313x.1993.04050751.x
ER -
TY - JOUR
TI - Volatile sex pheromone in the female German cockroach
AU - Liang, D.
AU - Schal, C.
T2 - Experientia
AB - Virgin German cockroach adult females release an attractant that can be extracted with organic solvents and trapped from air blown over sexually receptive females. Behavioral assays with an olfactometer showed that the attractant was produced exclusively by adult females and it elicited behavioral responses in adult males, confirming its function as a female sex pheromone. Using behavioral and electrophysiological assays, we localized the site of pheromone production on the tenth abdominal tergite where an adult female-specific gland is found. Females whose glands were ablated were significantly less attractive to males than sham-operated control females.
DA - 1993/4//
PY - 1993/4//
DO - 10.1007/bf01923412
VL - 49
IS - 4
SP - 324-328
J2 - Experientia
LA - en
OP -
SN - 0014-4754 1420-9071
UR - http://dx.doi.org/10.1007/bf01923412
DB - Crossref
KW - SEX PHEROMONE
KW - GERMAN COCKROACH
KW - SEXUAL BEHAVIOR
KW - PHEROMONE GLAND
KW - ATTRACTANT
ER -
TY - JOUR
TI - VARIABILITY IN JUVENILE-HORMONE PRODUCTION BY LOCUST CORPORA ALLATA KEPT IN-VITRO FOR LONG PERIODS
AU - GADOT, M
AU - PENER, MP
AU - SCHAL, C
T2 - PHYSIOLOGICAL ENTOMOLOGY
DA - 1993///
PY - 1993///
VL - 18
IS - 3
SP - 257-262
ER -
TY - JOUR
TI - ULTRASTRUCTURE AND MATURATION OF A SEX-PHEROMONE GLAND IN THE FEMALE GERMAN-COCKROACH, BLATTELLA-GERMANICA
AU - LIANG, D
AU - SCHAL, C
T2 - TISSUE & CELL
DA - 1993///
PY - 1993///
VL - 25
IS - 5
SP - 763-776
ER -
TY - JOUR
TI - SEX-PHEROMONE FOR THE BROWNBANDED COCKROACH IS AN UNUSUAL DIALKYL-SUBSTITUTED ALPHA-PYRONE
AU - CHARLTON, RE
AU - WEBSTER, FX
AU - ZHANG, AJ
AU - SCHAL, C
AU - LIANG, DS
AU - SRENG, I
AU - ROELOFS, WL
T2 - PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
DA - 1993///
PY - 1993///
VL - 90
IS - 21
SP - 10202-10205
ER -
TY - JOUR
TI - ROLE OF THE BRAIN IN JUVENILE-HORMONE SYNTHESIS AND OOCYTE DEVELOPMENT - EFFECTS OF DIETARY-PROTEIN IN THE COCKROACH BLATTELLA-GERMANICA (L)
AU - SCHAL, C
AU - CHIANG, AS
AU - BURNS, EL
AU - GADOT, M
AU - COOPER, RA
T2 - JOURNAL OF INSECT PHYSIOLOGY
DA - 1993///
PY - 1993///
VL - 39
IS - 4
SP - 303-313
ER -
TY - BOOK
TI - HYDROCARBON AND HYDROCARBON DERIVED SEX-PHEROMONES IN INSECTS - BIOCHEMISTRY AND ENDOCRINE REGULATION
DA - 1993///
PY - 1993///
PB -
SE - 317-351
ER -
TY - JOUR
TI - CALLING BEHAVIOR OF THE FEMALE GERMAN-COCKROACH, BLATTELLA-GERMANICA (DICTYOPTERA, BLATTELLIDAE)
AU - LIANG, DS
AU - SCHAL, C
T2 - JOURNAL OF INSECT BEHAVIOR
DA - 1993///
PY - 1993///
VL - 6
IS - 5
SP - 603-614
ER -
TY - JOUR
TI - Effect of resistance to Streptomyces ipomoeae on disease, yield, and dry matter partitioning in sweetpotato.
AU - Ristaino, JB
AU - others
T2 - Plant disease
DA - 1993///
PY - 1993///
VL - 77
IS - 2
SP - 193-196
ER -
TY - JOUR
TI - Spatial and temporal dynamics of Phytophthora epidemics in commercial bell pepper fields
AU - Ristaino, Jean B
AU - Larkin, Robert P
AU - Campbell, C Lee
T2 - Phytopathology
DA - 1993///
PY - 1993///
VL - 83
IS - 12
SP - 1312-1320
ER -
TY - JOUR
TI - Two complex resistance loci revealed in tomato by classical and RFLP mapping of the Cf-2, Cf-4, Cf-5, and Cf-9 genes for resistance to Cladosporium fulvum
AU - Jones, D-A
AU - Dickinson, M-J
AU - Balint-Kurti, P-J
AU - Dixon, M-S
AU - Jones, J-D-G
T2 - Molecular Plant Microbe Interactions
DA - 1993///
PY - 1993///
VL - 6
IS - 3
SP - 348-357
ER -
TY - JOUR
TI - Clostridium septicum septicemia in a neonatal foal with hemorrhagic enteritis
AU - Jones, S.L.
AU - Wilson, W.D.
T2 - The Cornell Veterinarian
DA - 1993/4//
PY - 1993/4//
VL - 83
IS - 2
SP - 143–151
UR - http://europepmc.org/abstract/med/8467700
ER -
TY - JOUR
TI - Lymphocytes protect against and are not required for reovirus-induced myocarditis
AU - Sherry, B.
AU - Li, XY
AU - Tyler, KL
AU - Cullen, JM
AU - Virgin, HW, 4th
T2 - Journal of Virology
C2 - 238034
DA - 1993///
PY - 1993///
VL - 67
IS - 10
SP - 6119–6124
ER -
TY - JOUR
TI - Cytopathogenic effect in cardiac myocytes but not in cardiac fibroblasts is correlated with reovirus-induced acute myocarditis
AU - Baty, C.J.
AU - Sherry, B.
T2 - Journal of Virology
C2 - 238056
DA - 1993///
PY - 1993///
VL - 67
IS - 10
SP - 6295–6298
ER -
TY - JOUR
TI - Hypothesis: the central oscillator of the circadian clock is a controlled chaotic attractor
AU - Lloyd, Alun L.
AU - Lloyd, David
T2 - Biosystems
AB - Controlled chaos may be important for the generation of rhythmic behaviour in living systems. A model is proposed in which the central circadian oscillator is a chaotic attractor. Whereas a limit cycle mechanism (previously invoked to explain circadian clocks as well as ultradian clocks and cell division cycles) can provide only a single stable periodic orbit, a chaotic attractor can generate rich dynamic behaviour. Control by feedback makes accessible a selected stabilized orbit; this can be chosen so as to optimize system performance. Such a system can accommodate a wide variety of requirements, e.g. that a single clock mutation can affect both period and temperature compensation, and the generation of higher periods from an ultradian oscillator. Simultaneous operation of more than one clock (with differing periods) may require a high-dimension chaotic attractor. Attractive features of such a model include versatility of period selection (e.g. as in the per mutants of Drosophila) and the use of control elements of the type already well known in metabolic circuitry.
DA - 1993/1//
PY - 1993/1//
DO - 10.1016/0303-2647(93)90085-q
VL - 29
IS - 2-3
SP - 77-85
J2 - Biosystems
LA - en
OP -
SN - 0303-2647
UR - http://dx.doi.org/10.1016/0303-2647(93)90085-q
DB - Crossref
KW - CHAOS
KW - CIRCADIAN CLOCK
KW - ULTRADIAN CLOCK
KW - CELL DIVISION CYCLE
KW - BIOLOGICAL CLOCKS
KW - BIOLOGICAL RHYTHMS
KW - PER MUTATION IN DROSOPHILA
KW - FRQ MUTATION IN NEUROSPORA
ER -
TY - JOUR
TI - An inexpensive infrared growth sensor array for detection of bacterial antibiotic susceptibility
AU - Mason, David J.
AU - Lloyd, Alun L.
AU - Lloyd, David
T2 - FEMS Microbiology Letters
AB - An inexpensive infrared sensor was constructed and used for the rapid testing of bacterial antibiotic susceptibility by detection of changes in absorbance at 950 nm. By comparing cultures of clinical isolates together with control strains (Escherichia coli NCTC 10418, Staphylococcus aureus NCTC 6571 or Pseudomonas aeruginosa NCTC 10662) after addition of an antibiotic, results on susceptibility were obtained within 3-5 h from the original plate culture. Representative strains of E. coli, P. aeruginosa, and S. aureus were tested successfully against ampicillin, penicillin, gentamicin or ciprofloxacin.
DA - 1993/8//
PY - 1993/8//
DO - 10.1111/j.1574-6968.1993.tb06394.x
VL - 111
IS - 2-3
SP - 251-254
LA - en
OP -
SN - 0378-1097 1574-6968
UR - http://dx.doi.org/10.1111/j.1574-6968.1993.tb06394.x
DB - Crossref
ER -
TY - JOUR
TI - Root-knot Nematode Resistance in Cucumber and Horned Cucumber
AU - Walters, S. Alan
AU - Wehner, Todd C.
AU - Barkel, Kenneth R.
T2 - HortScience
AB - Cucumber (Cucumis sativus L.) and horned cucumber ( C. metuliferus Naud.) germplasm were evaluated for their resistance to root-knot nematodes (Meloidogyne spp.). All 24 C. metuliferus cultigens evaluated were resistant to all root-knot nematodes tested- M. incognita (Kofoid and White) Chitwood race 3, M. arenaria (Neal) Chitwood race 2, and M. hapla Chitwood. All 884 C. sativus cultigens (cultivars, breeding lines, and plant introduction accessions) tested were resistant to M. hapla and few to M. incognita race 3. Only 50 of 884 C. sativus cultigens evaluated were somewhat resistant to M. arenaria race 2 and M. incognita race 3. A retest of the most resistant C. sativus cultigens revealed that LJ 90430 [an accession of C. sativus var. hardwickii (R.) Alef.] and `Mincu' were the only cultigens that were moderately resistant to M. arenaria race 2. LJ 90430 was the only cultigen, besides the two retested C. metuliferus cultigens, that was resistant to M. javanica (Treub) Chitwood. All C. sativus cultigens retested, including LJ 90430, were highly susceptible to M. incognita races 1 and 3. The two C. metuliferus cultigens retested were highly resistant to all root-knot nematodes tested- M. arenaria race 2, M. incognita races 1 and 3, and M. javanica.
DA - 1993/2//
PY - 1993/2//
DO - 10.21273/hortsci.28.2.151
VL - 28
IS - 2
SP - 151-154
OP -
SN - 0018-5345 2327-9834
UR - http://dx.doi.org/10.21273/hortsci.28.2.151
DB - Crossref
KW - CUCUMIS-SATIVUS
KW - CUCUMIS-METULIFERUS
KW - DISEASE RESISTANCE
KW - CUCURBIT
KW - MELOIDOGYNE-INCOGNITA
KW - M-ARENARIA
KW - M-HAPLA
KW - MELOIDOGYNE-JAVANICA
KW - VEGETABLE BREEDING
ER -
TY - JOUR
TI - Scaffold attachment regions increase reporter gene expresssion in stably transformed plant cells
AU - Allen, G.C.
AU - Hall, G.E.
AU - Childs, L.C.
AU - Weissinger, A.K.
AU - Spiker, S.L.
AU - Thompson, W.F.
T2 - Plant Cell
DA - 1993///
PY - 1993///
DO - 10.2307/3869803
VL - 5
SP - 603–613
ER -
TY - CHAP
TI - Ferredoxin gene expression and its regulation by light
AU - Dickey, L.F.
AU - Gallo-Meagher, M.
AU - Thompson, W.F.
T2 - Control of Plant Gene Expression
A2 - Verma, D.P.S.
PY - 1993///
SP - 211–222
PB - CRC Press
ER -
TY - JOUR
TI - Sequence of Lhcb3∗1, a gene encoding a Photosystem II chlorophyll protein in Pisum
AU - Falconet, Denis
AU - Godon, Christian
AU - White, Michael J.
AU - Thompson, William F.
T2 - Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression
AB - We have cloned and sequenced a pea Lhcb3 gene, encoding a Photosystem II chlorophyll a/b-binding protein. Sequence analysis indicates that the gene contains two introns and predicts a polypeptide of 265 amino acids. The predicted polypeptide sequence is highly homologous to the polypeptide sequences deduced from Lhcb3 genes previously characterized in tomato and barley.
DA - 1993/6//
PY - 1993/6//
DO - 10.1016/0167-4781(93)90133-x
VL - 1173
IS - 3
SP - 333-336
J2 - Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression
LA - en
OP -
SN - 0167-4781
UR - http://dx.doi.org/10.1016/0167-4781(93)90133-x
DB - Crossref
KW - LHCB GENE
KW - CHLOROPHYLL A/B-BINDING PROTEIN
KW - NUCLEOTIDE SEQUENCE
KW - (PISUM)
ER -
TY - CONF
TI - The effect of paclobutrazol (Bonzi) on shoot elongation and flower bud set of container grown 'Roseum Elegans' rhododendron
AU - Bir, R.E.
AU - Ranney, T.G.
C2 - 1993///
C3 - Proceedings of the Southern Nursery Association Research Conference, 38th Annual Report
DA - 1993///
SP - 273–275
ER -
TY - JOUR
TI - Propagation and overwintering techniques of Stewartia ovata
AU - Curtis, D.
AU - Ranney, T.G.
T2 - 1991-1992 Annual Report North Carolina Cooperative Program 14
DA - 1993///
PY - 1993///
ER -
TY - CONF
TI - Practical research at North Carolina State University
AU - Bir, R.E.
AU - Ranney, T.G.
AU - Bilderback, T.E.
AU - Hoyt, G.D.
C2 - 1993///
C3 - Proceedings of the 1993 Alabama Nurserymen's Association Summer Seminar
DA - 1993///
ER -
TY - MGZN
TI - Natural resistance of birch, cherry, and crabapple taxa to feeding by adult Japanese beetle
AU - Ranney, T.G.
T2 - Center for Development of Hardy Landscape Plants, Newsletter
DA - 1993///
PY - 1993///
VL - 4
SP - 4-7
M1 - 1
ER -
TY - MGZN
TI - Natural resistance of birch, cherry and crabapple taxa to feeding by adult Japanese beetles
AU - Ranney, T.G.
T2 - Nursery Notes
DA - 1993///
PY - 1993///
VL - 27
SP - 7, 9–10
M1 - 2
ER -
TY - CONF
TI - Flood tolerant Prunus
AU - Ranney, T.G.
C2 - 1993///
C3 - Proceedings of the Southern Nursery Association Research Conference, 38th Annual Report
DA - 1993///
SP - 383–385
ER -
TY - JOUR
TI - Feeding the soil. Just how effective are organic soil amendments?
AU - Bir, R.E.
AU - Ranney, T.G.
T2 - American Nurseryman
DA - 1993///
PY - 1993///
VL - 177
IS - 10
SP - 69-80
ER -
TY - CONF
TI - Effects of uniconazole on photosynthesis, dark respiration and water use efficiency of 'Spectabilis' forsythia
AU - Thetford, M.
AU - Warren, S.L.
AU - Blazich, F.A.
AU - Ranney, T.G.
C2 - 1993///
C3 - Proceedings of the Southern Nursery Association Research Conference, 38th Annual Report
DA - 1993///
SP - 27–29
ER -
TY - JOUR
TI - Chemical control of basal sprouts on river birch
AU - Bir, R.E.
AU - Ranney, T.G.
T2 - American Nurseryman
DA - 1993///
PY - 1993///
VL - 178
IS - 8
SP - 105-107
ER -
TY - JOUR
TI - Inhibition of Ammonia Oxidation in Nitrosomonas europaea by Sulfur Compounds: Thioethers Are Oxidized to Sulfoxides by Ammonia Monooxygenase
AU - Juliette, L. Y.
AU - Hyman, M. R.
AU - Arp, D. J.
T2 - Applied and Environmental Microbiology
C2 - PMC182523
DA - 1993/11//
PY - 1993/11//
VL - 59
IS - 11
SP - 3718-3727
J2 - Appl. Environ. Microbiol.
LA - eng
SN - 0099-2240
ST - Inhibition of Ammonia Oxidation in Nitrosomonas europaea by Sulfur Compounds
DB - PubMed
ER -
TY - JOUR
TI - In vitro activation of ammonia monooxygenase from Nitrosomonas europaea by copper.
AU - Ensign, S A
AU - Hyman, M R
AU - Arp, D J
T2 - Journal of Bacteriology
C2 - PMC204278
DA - 1993/4//
PY - 1993/4//
VL - 175
IS - 7
SP - 1971-1980
J2 - J Bacteriol
SN - 0021-9193
UR - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC204278/
DB - PubMed Central
Y2 - 2019/2/1/
ER -
TY - JOUR
TI - Mechanism-Based Inactivation of Ammonia Monooxygenase in Nitrosomonas europaea by Allylsulfide
AU - Juliette, L. Y.
AU - Hyman, M. R.
AU - Arp, D. J.
T2 - Applied and Environmental Microbiology
C2 - PMC182524
DA - 1993/11//
PY - 1993/11//
VL - 59
IS - 11
SP - 3728-3735
J2 - Appl. Environ. Microbiol.
LA - eng
SN - 0099-2240
DB - PubMed
ER -
TY - JOUR
TI - An electrophoretic study of the thermal- and reductant-dependent aggregation of the 27 kDa component of ammonia monooxygenase from Nitrosomonas europaea
AU - Hyman, M. R.
AU - Arp, D. J.
T2 - Electrophoresis
DA - 1993/7//
PY - 1993/7//
VL - 14
IS - 7
SP - 619-627
J2 - Electrophoresis
LA - eng
SN - 0173-0835
DB - PubMed
ER -
TY - JOUR
TI - Phylogenetic Relationships of Cornus L. Sensu Lato and Putative Relatives Inferred from rbcL Sequence Data
AU - Xiang, Qiu-Yun
AU - Soltis, Douglas E.
AU - Morgan, David R.
AU - Soltis, Pamela S.
T2 - Annals of the Missouri Botanical Garden
AB - A parsimony analysis of 46 rbcL sequences was performed to evaluate relationships among Cornus and putative relatives, as well as among subgroups within Cornus. Our results indicate that Alangium, nyssoids (Nyssa, Davidia, and Camptotheca), mastixioids (Diplopanax and Mastixia), Curtisia, and genera of Hydrangeaceae are the closest relatives of Cornus. These taxa, plus Cornus, constitute a «cornaceous clade,» which differs from all previously proposed Cornus alliances. Within this cornaceous clade, four major lineages were identified; (i) Cornus-Alangium, (ii) nyssoids-mastixioids, (iii) Curtisia, and (iv) hydrangeoids. The relationships among the four major lineages within the cornaceous clade remain unresolved
DA - 1993///
PY - 1993///
DO - 10.2307/2399856
VL - 80
IS - 3
SP - 723
SN - 00266493
UR - https://www.jstor.org/stable/2399856?origin=crossref
DB - Crossref
Y2 - 2019/1/29/
ER -
TY - JOUR
TI - Phylogenetics of Seed Plants: An Analysis of Nucleotide Sequences from the Plastid Gene rbcL
AU - Chase, Mark W.
AU - Soltis, Douglas E.
AU - Olmstead, Richard G.
AU - Morgan, David
AU - Les, Donald H.
AU - Mishler, Brent D.
AU - Duvall, Melvin R.
AU - Price, Robert A.
AU - Hills, Harold G.
AU - Qiu, Yin-Long
AU - Kron, Kathleen A.
AU - Rettig, Jeffrey H.
AU - Conti, Elena
AU - Palmer, Jeffrey D.
AU - Manhart, James R.
AU - Sytsma, Kenneth J.
AU - Michaels, Helen J.
AU - Kress, W. John
AU - Karol, Kenneth G.
AU - Clark, W. Dennis
AU - Hedren, Mikael
AU - Gaut, Brandon S.
AU - Jansen, Robert K.
AU - Kim, Ki-Joong
AU - Wimpee, Charles F.
AU - Smith, James F.
AU - Furnier, Glenn R.
AU - Strauss, Steven H.
AU - Xiang, Qui-Yun
AU - Plunkett, Gregory M.
AU - Soltis, Pamela S.
AU - Swensen, Susan M.
AU - Williams, Stephen E.
AU - Gadek, Paul A.
AU - Quinn, Christopher J.
AU - Eguiarte, Luis E.
AU - Golenberg, Edward
AU - Learn, Gerald H.
AU - Graham, Sean W.
AU - Barrett, Spencer C. H.
AU - Dayanandan, Selvadurai
AU - Albert, Victor A.
T2 - Annals of the Missouri Botanical Garden
AB - We present the results of two exploratory parsimony analyses of DNA sequences from 475 and 499 species of seed plants, respectively, representing all major taxonomic groups. The data are exclusively from the chloroplast gene rbcL, which codes for the large subunit of ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO or RuBPCase). We used two different state-transformation assumptions resulting in two sets of cladograms: (i) equal-weighting for the 499-taxon analysis; and (ii) a procedure that differentially weights transversions over transitions within characters and codon positions among characters for the 475-taxon analysis. The degree of congruence between these results and other molecular, as well as morphological, cladistic studies indicates that rbcL sequence variation contains historical evidence appropriate for phylogenetic analysis at this taxonomic level of sampling. Because the topologies presented are necessarily approximate and cannot be evaluated adequately for internal support, these results should be assessed from the perspective of their predictive value and used to direct future studies, both molecular and morphological. In both analyses, the three genera of Gnetales are placed together as the sister group of the flowering plants, and the anomalous aquatic Ceratophyllum (Ceratophyllaceae) is sister to all other flowering plants. Several major lineages identified correspond well with at least some recent taxonomic schemes for angiosperms, particularly those of Dahlgren and Thorne. The basalmost clades within the angiosperms are orders of the apparently polyphyletic subclass Magnoliidae sensu Cronquist. The most conspicuous feature of the topology is that the major division is not monocot versus dicot, but rather one correlated with general pollen type: uniaperturate versus triaperturate. The Dilleniidae and Hamamelidae are the only subclasses that are grossly polyphyletic; an examination of the latter is presented as an example of the use of these broad analyses to focus more restricted studies. A broadly circumscribed Rosidae is paraphyletic to Asteridae and Dilleniidae. Subclass Caryophyllidae is monophyletic and derived from within Rosidae in the 475-taxon analysis but is sister to a group composed of broadly delineated Asteridae and Rosidae in the 499-taxon study.
DA - 1993///
PY - 1993///
DO - 10.2307/2399846
VL - 80
IS - 3
SP - 528
SN - 00266493
ST - Phylogenetics of Seed Plants
UR - https://www.jstor.org/stable/2399846?origin=crossref
DB - Crossref
Y2 - 2019/1/29/
ER -
TY - CHAP
TI - Cornaceae
AU - Xiang, Q.-Y.
T2 - Vascular Flora of the Hengduan Mountains
A2 - Wang, W.T.
A2 - Wu, S.G.
A2 - Lang, K.Y.
A2 - Li, P.Q.
A2 - Pu, F.T.
A2 - Chen, S.K.
PY - 1993///
VL - 1
SP - 1356–1363
PB - Science Press
ER -
TY - JOUR
TI - LEAF ISOPRENE EMISSION RATE IS DEPENDENT ON LEAF DEVELOPMENT AND THE LEVEL OF ISOPRENE SYNTHASE
AU - KUZMA, J
AU - FALL, R
T2 - PLANT PHYSIOLOGY
AB - Isoprene (2-methyl-1,3-butadiene) is a major volatile hydrocarbon produced by many plant species. Here we report that in velvet bean (Mucuna sp.), isoprene emission is strongly dependent on leaf developmental state and that changes in extractable isoprene synthase activity parallel isoprene emission rates during leaf development. Both leaf emission and enzyme activity exhibit over 100-fold increases from leaf emergence to leaf age 14 d and exhibit similar patterns to 23 d. This suggests that the enzyme, isoprene synthase, is responsible for the in vivo production of isoprene and that the level of the enzyme regulates the pattern of isoprene emission in response to leaf development.
DA - 1993/2//
PY - 1993/2//
DO - 10.1104/pp.101.2.435
VL - 101
IS - 2
SP - 435-440
SN - 0032-0889
UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-0001127362&partnerID=MN8TOARS
ER -
TY - CONF
TI - Genetic variation in Pinus brutia TEN. populations along the a transect from the sea level to high elevations: Seedling traits.
AU - Isik, F.
AU - Kaya, Z.
C2 - 1993///
C3 - International Pinus brutia Symposium
DA - 1993///
SP - 243-253
ER -
TY - JOUR
TI - Provenance and family variation for juvenile growth characteristics of Pinus taeda L. and the impact on early selection for growth
AU - McKeand, S. E.
AU - Bridgwater, F. E.
T2 - Studia Forestalia Suecica
DA - 1993///
PY - 1993///
VL - 191
SP - 5-10
ER -
TY - CONF
TI - Growth and stem sinuosity of diverse provenances of three-year-old loblolly pine
AU - McKeand, S. E.
AU - Jett, J. B.
C2 - 1993///
C3 - Proceedings of the 22nd Southern Forest Tree Improvement Conference
DA - 1993///
SP - 208-213
ER -
TY - JOUR
TI - A means of accelerating red oak genetic tests
AU - Struve, D. K.
AU - McKeand, Steven
T2 - Annales des Sciences Forestieres
DA - 1993///
PY - 1993///
DO - 10.1051/forest:19930747
VL - 50
SP - 410–415
ER -
TY - JOUR
TI - Canine Exposure to Borrelia burgdorferi and Prevalence of Ixodes dammini (Acari: Ixodidae) on Deer as a Measure of Lyme Disease Risk in the Northeastern United States
AU - Daniels, Thomas J.
AU - Fish, Durland
AU - Levine, Jay F.
AU - Greco, Martha A.
AU - Eaton, Alan T.
AU - Padgett, Penelope J.
AU - Lapointe, Dennis A.
T2 - Journal of Medical Entomology
AB - Journal Article Canine Exposure to Borrelia burgdorferi and Prevalence of Ixodes dammini (Acari: Ixodidae) on Deer as a Measure of Lyme Disease Risk in the Northeastern United States Get access Thomas J. Daniels, Thomas J. Daniels Medical Entomology Laboratory, Department of Community and Preventive Medicine, New York Medical College, Valhalla, NY 10595 Search for other works by this author on: Oxford Academic PubMed Google Scholar Durland Fish, Durland Fish Medical Entomology Laboratory, Department of Community and Preventive Medicine, New York Medical College, Valhalla, NY 10595 Search for other works by this author on: Oxford Academic PubMed Google Scholar Jay F. Levine, Jay F. Levine 1 Medical Entomology Laboratory, Department of Community and Preventive Medicine, New York Medical College, Valhalla, NY 10595 1Department of Microbiology, Pathology, and Parasitology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27606. Search for other works by this author on: Oxford Academic PubMed Google Scholar Martha A. Greco, Martha A. Greco 2 Medical Entomology Laboratory, Department of Community and Preventive Medicine, New York Medical College, Valhalla, NY 10595 2Center for Veterinary Public Health, Department of Health and Mental Hygiene, Baltimore, MD 21201. Current address: P.O. Box 31, Reedsburg, WI 53959. Search for other works by this author on: Oxford Academic PubMed Google Scholar Alan T. Eaton, Alan T. Eaton 3 Medical Entomology Laboratory, Department of Community and Preventive Medicine, New York Medical College, Valhalla, NY 10595 3Department of Entomology, Nesmith Hall, University of New Hampshire, Durham, NH 03824. Search for other works by this author on: Oxford Academic PubMed Google Scholar Penelope J. Padgett, Penelope J. Padgett 4 Medical Entomology Laboratory, Department of Community and Preventive Medicine, New York Medical College, Valhalla, NY 10595 4Department of Biology, FSC Box F214, Shippensburg University, Shippensburg, PA 17257. Search for other works by this author on: Oxford Academic PubMed Google Scholar Dennis A. Lapointe Dennis A. Lapointe 5 Medical Entomology Laboratory, Department of Community and Preventive Medicine, New York Medical College, Valhalla, NY 10595 5Department of Entomology, Fernald Hall, University of Massachusetts, Amherst, MA 01003. Current address: Department of Entomology, College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, Honolulu, HI 96822. Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Medical Entomology, Volume 30, Issue 1, 1 January 1993, Pages 171–178, https://doi.org/10.1093/jmedent/30.1.171 Published: 01 January 1993 Article history Received: 16 June 1992 Accepted: 08 October 1992 Published: 01 January 1993
DA - 1993/1/1/
PY - 1993/1/1/
DO - 10.1093/jmedent/30.1.171
VL - 30
IS - 1
SP - 171-178
LA - en
OP -
SN - 1938-2928 0022-2585
UR - http://dx.doi.org/10.1093/jmedent/30.1.171
DB - Crossref
KW - LYME DISEASE
KW - SEROSURVEY
KW - TICKS
ER -
TY - CONF
TI - Application of genetic markers to tree breeding
AU - Grattapaglia, D.
AU - Chaparro, J.
AU - Wilcox, P.
AU - McCord, S.
AU - Crane, B.
AU - Amerson, H.
AU - Werner, D.
AU - Liu, B. H.
AU - O'Malley, D.
AU - Whetten, R.
AU - McKeand, S.
AU - Goldfard, B.
AU - Greenwood, M.
AU - Kuhlman, G.
AU - Bridgwater, F.
AU - Sederoff, R.
C2 - 1993///
C3 - Proceedings of the 22nd Southern Forest Tree Improvement Conference
DA - 1993///
SP - 452-463
ER -
TY - JOUR
TI - Mutation models and quantitative genetic variation
AU - Zeng, Z. B.
AU - Cockerham, C. C.
T2 - Genetics
DA - 1993///
PY - 1993///
VL - 133
IS - 3
SP - 729
ER -
TY - JOUR
TI - FIELD-TESTS FOR CUCUMBER RESISTANCE TO GUMMY STEM BLIGHT IN NORTH-CAROLINA
AU - WEHNER, TC
AU - STAMAND, PC
T2 - HORTSCIENCE
AB - Gummy stem blight [Didymella bryoniae (Auersw.) Rehm] is the second most important pathogen of field-grown cucumbers (Cucumis sativus L.) in North Carolina and a severe problem for greenhouse-grown cucumbers worldwide. To determine whether resistance exists under North Carolina field conditions, 83 cultigens [cultivars, breeding lines, and plant introduction (PI) accessions] were evaluated in the field for 4 years for their resistance to a mixture of D. bryoniae isolates. Plants were inoculated at the vine tip-over stage and rated for foliar lesion size and number. Cultigens identified as resistant in Wisconsin and The Netherlands were not resistant in North Carolina. When averaged over years and locations, the most resistant C. sativus cultigens were PI 164433, `Slice', PI 390264, M 17, and M 12. Several accessions of related Cucumis species were highly resistant: PI 299568 (C. myriocarpus Naud.), PI 282450 (C. zeyheri Sond.), PI 299572 (C. myriocarpus), and PI 233646 (C. anguria L.). The most susceptible cultivars were `Colet', `Meresto', `Supergreen', `Dura', `Pioneer', `Marketmore 76', `Pickmore', and `Addis'. `Calypso' and `Dasher II', popular cultivars in North Carolina, were moderately susceptible.
DA - 1993/4//
PY - 1993/4//
DO - 10.21273/hortsci.28.4.327
VL - 28
IS - 4
SP - 327-329
SN - 0018-5345
KW - ASCOCHYTA-CUCUMIS
KW - COLLETOTRICHUM-ORBICULARE
KW - CUCUMIS-ANGURIA
KW - CUCUMIS-MYRIOCARPUS
KW - CUCUMIS-SATIVUS
KW - CUCUMIS-ZEYHERI
KW - CUCURBITACEAE
KW - DIDYMELLA-BRYONIAE
KW - DISEASE RESISTANCE
KW - MYCOSPHAERELLA-CITRULLINA
KW - MYCOSPHAERELLA-MELONIS
KW - PHOMA-CUCURBITACEARUM
KW - PHYLLOSTICTA-CUCURBITACEARUM
KW - VEGETABLE BREEDING
ER -
TY - JOUR
TI - Registration of 'Mulligan' barley
AU - Murphy, J. P.
AU - Navarro, R. A.
AU - Leath, S.
AU - Murphy, C. F.
T2 - Crop Science
AB - Crop ScienceVolume 33, Issue 6 cropsci1993.0011183X003300060055x p. 1402-1402 Registration of Cultivars Registration of ‘Mulligan’ Barley J. P. Murphy, Corresponding Author J. P. Murphy n/a@.dne Corresponding author.Search for more papers by this authorR. A. Navarro, R. A. NavarroSearch for more papers by this authorS. Leath, S. LeathSearch for more papers by this authorC. F. Murphy, C. F. MurphySearch for more papers by this author J. P. Murphy, Corresponding Author J. P. Murphy n/a@.dne Corresponding author.Search for more papers by this authorR. A. Navarro, R. A. NavarroSearch for more papers by this authorS. Leath, S. LeathSearch for more papers by this authorC. F. Murphy, C. F. MurphySearch for more papers by this author First published: 01 November 1993 https://doi.org/10.2135/cropsci1993.0011183X003300060055xAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article. Volume33, Issue6November–December 1993Pages 1402-1402 RelatedInformation
DA - 1993///
PY - 1993///
DO - 10.2135/cropsci1993.0011183x003300060055x
VL - 33
IS - 6
SP - 1402
ER -
TY - JOUR
TI - Registration of 'Mollybloom' barley
AU - Murphy, J. P.
AU - Navarro, R. A.
AU - Leath, S.
AU - Murphy, C. F.
T2 - Crop Science
AB - Crop ScienceVolume 33, Issue 6 cropsci1993.0011183X003300060056x p. 1402-1403 Registration of Cultivars Registration of ‘Mollybloom’ Barley J. P. Murphy, Corresponding Author J. P. Murphy n/a@.dne Corresponding author.Search for more papers by this authorR. A. Navarro, R. A. NavarroSearch for more papers by this authorS. Leath, S. LeathSearch for more papers by this authorC. F. Murphy, C. F. MurphySearch for more papers by this author J. P. Murphy, Corresponding Author J. P. Murphy n/a@.dne Corresponding author.Search for more papers by this authorR. A. Navarro, R. A. NavarroSearch for more papers by this authorS. Leath, S. LeathSearch for more papers by this authorC. F. Murphy, C. F. MurphySearch for more papers by this author First published: 01 November 1993 https://doi.org/10.2135/cropsci1993.0011183X003300060056xAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article. Volume33, Issue6November–December 1993Pages 1402-1403 RelatedInformation
DA - 1993///
PY - 1993///
DO - 10.2135/cropsci1993.0011183x003300060056x
VL - 33
IS - 6
SP - 1402
ER -
TY - JOUR
TI - REGISTRATION OF YEATS OAT
AU - MURPHY, JP
AU - NAVARRO, RA
AU - LEATH, S
AU - MURPHY, CF
T2 - CROP SCIENCE
AB - Crop ScienceVolume 33, Issue 6 cropsci1993.0011183X003300060064x p. 1408-1408 Registration of Cultivars Registration of ‘Yeats’ Oat J. P. Murphy, Corresponding Author J. P. Murphy n/[email protected] Corresponding author.Search for more papers by this authorR. A. Navarro, R. A. NavarroSearch for more papers by this authorS. Leath, S. LeathSearch for more papers by this authorC. F. Murphy, C. F. MurphySearch for more papers by this author J. P. Murphy, Corresponding Author J. P. Murphy n/[email protected] Corresponding author.Search for more papers by this authorR. A. Navarro, R. A. NavarroSearch for more papers by this authorS. Leath, S. LeathSearch for more papers by this authorC. F. Murphy, C. F. MurphySearch for more papers by this author First published: 01 November 1993 https://doi.org/10.2135/cropsci1993.0011183X003300060064xAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL No abstract is available for this article. Volume33, Issue6November–December 1993Pages 1408-1408 RelatedInformation
DA - 1993///
PY - 1993///
DO - 10.2135/cropsci1993.0011183X003300060064x
VL - 33
IS - 6
SP - 1408-1408
SN - 0011-183X
ER -
TY - JOUR
TI - ISOZYME VARIATION IN CULTIVATED OAT AND ITS PROGENITOR SPECIES, AVENA-STERILIS L
AU - MURPHY, JP
AU - PHILLIPS, TD
T2 - CROP SCIENCE
AB - Effective identification of wild accessions with potential to enhance variation for complex, Iow‐heritability traits is a prerequisite to broader utilization of conserved genetic resources. In two previous studies, 23 enzyme systems were assayed in 405 oat cultivars ( Avena sativa L. and A. byzantina C. Koch) and in 1005 accessions of the progenitor species. A. sterilis L. The objectives of the present report were to (i) compare isozymic variation in cultivated oat with a broad geographical sample of accessions of the progenitor species and (ii) propose strategy to assist in the efficient sampling of progenitor germplasm by North American oat breeders. Avena sterilis displayed a greater level of isozymic diversity compared to cultivated germplasm based upon number and frequencies of variants. Three sampling strategies are discussed whereby a representative core of A. sterilis accessions could be selected from the progenitor germplasm pool. A combined strategy is outlined that incorporates elements of all three, with selection of accessions from (i) the center of isozymic diversity (Turkey), (ii) six clusters of A. sterilis accessions identified by multivariate analysis of genetic distances between accessions without regard to provenance data, and (iii) those accessions with variants present at intermediate to high frequencies in A. sterilis from individual countries or clusters yet absent in cultivated germplasm. Selected A. sterilis accessions could be used in combining ability analyses with cultivated germplasm. Subsequent, more extensive, exploitation of the germplasm collection might be based on results from these exploratory evaluations of breeding potential.
DA - 1993///
PY - 1993///
DO - 10.2135/cropsci1993.0011183X003300060048x
VL - 33
IS - 6
SP - 1366-1372
SN - 0011-183X
ER -
TY - JOUR
TI - SPATIAL AND TEMPORAL DYNAMICS OF PHYTOPHTHORA EPIDEMICS IN COMMERCIAL BELL PEPPER FIELDS
AU - RISTAINO, JB
AU - LARKIN, RP
AU - CAMPBELL, CL
T2 - PHYTOPATHOLOGY
AB - Epidemics in bell pepper caused by Phytophthora capsici were monitored in three commercial fields to characterize the spatial pattern of disease and to gain a preliminary indication of dispersal mechanisms that may influence spatial disease progress. Disease incidence increased from 3.8 to 35.8% and from 13.6 to 38.5%, and the final percentage of quadrats with plants with wilt, crown lesions, stem lesions, or dead plants was 15.8, 16.8, 15.5, and 15.3 in field one and 16.5, 23.5, 10.5, and 31 in field two, respectively. In field three, disease incidence increased from 15.9 to 22.6% in the upper portion of the field and from 53.1 to 67.3% in the lower portion of the field [...]
DA - 1993/12//
PY - 1993/12//
DO - 10.1094/Phyto-83-1312
VL - 83
IS - 12
SP - 1312-1320
SN - 1943-7684
UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-0027134395&partnerID=MN8TOARS
ER -
TY - JOUR
TI - INFECTION OF SWEET-POTATO FIBROUS ROOTS BY STREPTOMYCES-IPOMOEAE - INFLUENCE OF SOIL-WATER POTENTIAL
AU - RISTAINO, JB
T2 - SOIL BIOLOGY & BIOCHEMISTRY
AB - The effect of the matric component of soil water potential (Ψm) on infection of fibrous roots of sweetpotato (Ipomoeae batatas) cv. Jewel by Streptomyces ipomoeae and the influence of infection on water extraction by fibrous roots were examined. The severity of disease on fibrous roots was low in plants grown at constant Ψm of 0, −1.0 or −2.5J kg−1 in non-fumigated or fumigated soils infested with S. ipomoeae. Disease severity increased with decreasing Ψm and was greatest at Ψm of −7.5 to −20J kg−1. Growth of S. ipomoeae in water-filled pores and subsequent infection may have been limited at Ψm of 0, −1.0 and −2.5J kg−1. Root and shoot dry weights of sweetpotato were significantly lower in plants grown in infested soil than in non-infested soils at Ψm between −5 and −20J kg−1, but were not affected by disease at Ψm of 0, −1.0 or −2.5 J kg−1. The severity of disease on fibrous roots was low in plants drip-irrigated on a daily schedule, whereas the severity of disease on fibrous roots was significantly greater in plants irrigated on either a 4- or 6-day schedule. Total dry weights of roots were lower in plants grown for 4 weeks in infested than non-infested soil. However, total dry weights of roots were not affected by disease as compared to non-inoculated controls in plants grown for 8 weeks, thus suggesting that roots of cv. Jewel may be able to compensate for disease by production of additional root biomass in soil. Although root dry weight was not affected by disease in plants grown for 8 weeks, diseased plants extracted significantly less water from soil than healthy plants. Therefore, the effect of disease on water extraction from soil was not due solely to a reduction in root biomass. Limited growth of roots to inoculum in saturated soil, limited growth of the pathogen in saturated soil, or altered susceptibility of the host may explain the reduction of disease at high Ψm.
DA - 1993/2//
PY - 1993/2//
DO - 10.1016/0038-0717(93)90025-7
VL - 25
IS - 2
SP - 185-192
SN - 1879-3428
UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-38249004366&partnerID=MN8TOARS
ER -
TY - JOUR
TI - EFFECT OF RESISTANCE TO STREPTOMYCES-IPOMOEA ON DISEASE, YIELD, AND DRY-MATTER PARTITIONING IN SWEET-POTATO
AU - RISTAINO, JB
T2 - PLANT DISEASE
DA - 1993/2//
PY - 1993/2//
DO - 10.1094/PD-77-0193
VL - 77
IS - 2
SP - 193-196
SN - 0191-2917
KW - POX
KW - ACTINOMYCETE
ER -
TY - JOUR
TI - DISTRIBUTION OF 2ND-GENERATION EUROPEAN CORN-BORER, OSTRINIA-NUBILALIS, EGG MASSES IN FIELD CORN AND RELATIONSHIP TO SUBSEQUENT TUNNELING DAMAGE
AU - SORENSON, CE
AU - KENNEDY, GG
AU - VANDUYN, JW
AU - BRADLEY, , JR
T2 - ENTOMOLOGIA EXPERIMENTALIS ET APPLICATA
AB - Abstract The relationship between second generation European corn borer ( Ostrinia nubilalis Hübner) egg mass numbers and subsequent field corn damage, as measured by stalk cavity numbers, was studied in 79 fields in northeastern North Carolina over three years. A mean of 0.028 egg masses per plant (645 egg masses/23400 plants) was found over the course of the study. Significant differences in oviposition rate were detected between fields and years. Ca. 85% of egg masses were deposited in a five leaf zone surrounding the primary ear; of these, 89% were found on the lower four leaves in this zone. Egg masses appeared to be distributed randomly within fields but at low rates of incidence, and oviposition was relatively uniform between sampling areas within individual fields. Under moderate to high oviposition pressure (mean number of egg masses per plant over the duration of the oviposition period >ca. 0.02), eggs laid during the early phases of the oviposition period account for more subsequent stalk damage than eggs laid during the later phases of the oviposition period. Variations in second generation egg mass numbers accounted for ca. 70% of variation in stalk cavity numbers.
DA - 1993/7//
PY - 1993/7//
DO - 10.1111/j.1570-7458.1993.tb01684.x
VL - 68
IS - 1
SP - 15-23
SN - 0013-8703
KW - INSECTA
KW - OSTRINIA-NUBILALIS
KW - EGG DISTRIBUTION
KW - MAIZE
ER -
TY - JOUR
TI - Gene list update for cucumber
AU - Wehner, T. C.
T2 - Report (Cucurbit Genetics Cooperative)
DA - 1993///
PY - 1993///
IS - 16
SP - 92
ER -
TY - JOUR
TI - Field anesthesia in the North American river otter (Lutra canadensis)
AU - Spelman, L. H.
AU - Summer, P. W.
AU - Levine, J. F.
AU - Stoskopf, M. K.
T2 - Journal of Zoo and Wildlife Medicine
DA - 1993///
PY - 1993///
VL - 24
IS - 1
SP - 19–27
ER -
TY - JOUR
TI - Relative utilization of reptiles and rodents as hosts by immature Ixodes scapularis (Acari: Ixodidae) in the coastal plain of North Carolina, USA
AU - Apperson, C. S.
AU - Levine, J. F.
AU - Evans, T. L.
AU - Braswell, A.
AU - Heller, J.
T2 - Experimental & Applied Acarology
DA - 1993///
PY - 1993///
VL - 17
IS - 10
SP - 719-731
ER -
TY - JOUR
TI - Risk factors associated with acute pancreatitis in dogs: 101 cases (1985-1990)
AU - Cook, A. K.
AU - Breitschwerdt, E. B.
AU - Levine, J. F.
AU - Bunch, S. E.
AU - Linn, L. O.
T2 - Journal of the American Veterinary Medical Association
DA - 1993///
PY - 1993///
VL - 203
IS - 5
SP - 673-679
ER -
TY - JOUR
TI - Patterned secondary wall assembly in tracheary elements occurs in a self-perpetuating cascade
AU - Taylor, J. G.
AU - Haigler, Candace H.
T2 - Acta Botanica Neerlandica
AB - The behaviours are presented of newly-synthesized xylan and putative glycine-rich protein during patterned secondary cell-wall biogenesis in drug-treated tracheary elements (TEs) differentiating in culture from isolated mesophyll cells of Zinnia elegans. The normal secondary wall thickenings contain cellulose, xylan, and lignin, and the results reported here suggest that they also contain glycine-rich protein (GRP). However, qualifications to this definitive interpretation are discussed. The specific cellulose synthesis inhibitors, 2,6-dichlorobenzonitrile (DCB) and isoxaben, were applied near the onset of differentiation. When they were fully effective in inhibiting deposition of detectable cellulose in the thickenings, no labelling of the thickenings was observed with probes for xylan (xylanase and an antibody to xylose) or GRP (an antibody). When the drugs were partially effective, a small amount of detectable cellulose was still deposited in the thickenings. In such TEs, patches of xylan and GRP were observed between thickenings, suggesting that these components were exocytosed but not able to localize at the altered thickenings. A model for cell-wall assembly is presented in which some molecules themselves are able to mediate the patterning of others, so that patterned secondary cell-wall assembly partly occurs by a self-perpetuating cascade.
DA - 1993///
PY - 1993///
DO - 10.1111/j.1438-8677.1993.tb00692.x
VL - 42
SP - 153–163
ER -
TY - JOUR
TI - Cool temperature effects on cotton fiber initiation and elongation clarified using in vitro cultures
AU - Xie, W.
AU - Trolinder, N. L.
AU - Haigler, Candace H.
T2 - Crop Science
AB - An understanding of the mechanistic basis of adverse environmental effects on cotton fiber development is a prerequisite to future improvement through genetic engineering and aids in field management to minimize such adverse effects. In order to clarify previous results from field studies on the effects of cool temperatures on initiation, early elongation, and later elongation of cotton fibers, cotton ovules ( Gossypium hirsutum L.) cultured in vitro were used as a manipulable and reproducible experimental system based on previous evidence that they provide a valid model. Culture temperature varied from a control of 34 °C constant to 34/15 °C cycling (12/12 h) to mimic a typical diurnal temperature cycle. Fiber initiation and early elongation were analyzed by scanning electron microscopy, and the progress of later elongation was determined by ruler measurements. The results demonstrated that fiber initiation and early elongation (up to about 0.5‐mm length) were independently delayed by cycling cool temperatures, but that later elongation preceded in a temperature‐independent manner. The early delay in fiber development caused by cycling cool temperatures was associated with a longer elongation period during which fibers could attain the control length. Therefore, the results suggest that there are three stages of fiber elongation as distinguished by different temperature responses: initiation, early elongation, and later elongation to attain the genetically determined potential. Consequently, the field temperature during fiber initiation and early elongation may have a profound effect on the final fiber length attained in a limited growing season.
DA - 1993///
PY - 1993///
DO - 10.2135/cropsci1993.0011183x003300060029x
VL - 33
SP - 1258–1264
ER -
TY - JOUR
TI - THEORETICAL BASIS FOR SEPARATION OF MULTIPLE LINKED GENE EFFECTS IN MAPPING QUANTITATIVE TRAIT LOCI
AU - ZENG, ZB
T2 - PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
AB - It is now possible to use complete genetic linkage maps to locate major quantitative trait loci (QTLs) on chromosome regions. The current methods of QTL mapping (e.g., interval mapping, which uses a pair or two pairs of flanking markers at a time for mapping) can be subject to the effects of other linked QTLs on a chromosome because the genetic background is not controlled. As a result, mapping of QTLs can be biased, and the resolution of mapping is not very high. Ideally when we test a marker interval for a QTL, we would like our test statistic to be independent of the effects of possible QTLs at other regions of the chromosome so that the effects of QTLs can be separated. This test statistic can be constructed by using a pair of markers to locate the testing position and at the same time using other markers to control the genetic background through a multiple regression analysis. Theory is developed in this paper to explore the idea of a conditional test via multiple regression analysis. Various properties of multiple regression analysis in relation to QTL mapping are examined. Theoretical analysis indicates that it is advantageous to construct such a testing procedure for mapping QTLs and that such a test can potentially increase the precision of QTL mapping substantially.
DA - 1993/12/1/
PY - 1993/12/1/
DO - 10.1073/pnas.90.23.10972
VL - 90
IS - 23
SP - 10972-10976
SN - 0027-8424
KW - GENE MAPPING
KW - MOLECULAR GENETIC MARKERS
KW - QUANTITATIVE GENETICS
KW - MULTIPLE REGRESSION
KW - INTERVAL TEST
ER -
TY - JOUR
TI - MINIMAL ROLE OF ENHANCED CELL-PROLIFERATION IN SKIN TUMOR PROMOTION BY MIREX - A NONPHORBOL ESTER-TYPE PROMOTER
AU - MEYER, SA
AU - MOSER, GJ
AU - MONTEIRORIVIERE, NA
AU - SMART, RC
T2 - ENVIRONMENTAL HEALTH PERSPECTIVES
DA - 1993/12//
PY - 1993/12//
DO - 10.2307/3431879
VL - 101
IS - Suppl. 5
SP - 265-269
SN - 0091-6765
ER -