Ramsey S Lewis

Analysis of alkaloids and reducing sugars in processed and unprocessed tobacco leaves using a handheld near infrared spectrometer

Castillo, M. S., Acosta, J. J., Hodge, G. R., Vann, M. C., & Lewis, R. S. (2023, January 16). JOURNAL OF NEAR INFRARED SPECTROSCOPY, Vol. 1.

Use of exotic Nicotiana tabacum germplasm for confronting an inverse genetic correlation in flue-cured tobacco

Lewis, R. S. S. (2023, April 14). CROP SCIENCE.

Adaptation of Phytophthora nicotianae to Multiple Sources of Partial Resistance in Tobacco

PLANT DISEASE, 106(3), 906–917.

Adding genome-wide genotypic information to a tobacco (Nicotiana tabacum) breeding programme

Carvalho, B. L., Lewis, R., Bruzi, A. T., Padua, J. M. V., & Patto Ramalho, M. A. (2022, January 21). PLANT BREEDING.

Analyses of diverse low alkaloid tobacco germplasm identify naturally occurring nucleotide variability contributing to reduced leaf nicotine accumulation

MOLECULAR BREEDING, 42(1).

CLCNt2 Mediates Nitrate Content in Tobacco Leaf, Impacting the Production of Tobacco-Specific Nitrosamines in Cured Leaves

FRONTIERS IN PLANT SCIENCE, 13.

Combined reduced expression of two gene families lowers nicotine content to ultra-low levels in cultivated tobacco

Kernodle, S. P., Webb, S., Steede, T. M., & Lewis, R. S. (2022, July 2). PLANT CELL REPORTS.

Editing of A622 genes results in ultra-low nicotine whole tobacco plants at the expense of dramatically reduced growth and development

MOLECULAR BREEDING, 42(4).

Editorial: Biotechnological and genomic approaches for enhancing agronomic performance of crops

Mir, R. R., Kudapa, H., Pramod, S., & Lewis, R. S. (2022, October 4). FRONTIERS IN GENETICS, Vol. 13.

Exploitation of heterosis in tobacco breeding in Brazil

CROP BREEDING AND APPLIED BIOTECHNOLOGY, 22(2).

Combining ability of standardized indices for multi-trait selection in tobacco

CIENCIA E AGROTECNOLOGIA, 45.

Constitutive activation of nitrate reductase in tobacco alters flowering time and plant biomass

SCIENTIFIC REPORTS, 11(1).

Evaluation of tobacco lines and hybrids carrying Beinhart-1000 alleles at the Phn15.1 locus for agronomic and disease resistance characteristics

CROP SCIENCE, 61(4), 2456–2466.

Genetics influence postharvest measurements of flue-cured tobacco more than nitrogen application rate

AGRONOMY JOURNAL, 113(2), 1020–1028.

Homoeologous chromosome exchange explains the creation of a QTL affecting soil-borne pathogen resistance in tobacco

Shi, R., Jin, J., Nifong, J. M., Shew, D., & Lewis, R. S. (2021, October 22). PLANT BIOTECHNOLOGY JOURNAL.

QTL analysis of seed germination traits in tobacco (Nicotiana tabacum L.)

JOURNAL OF APPLIED GENETICS, 62(3), 441–444.

RNAseq Reveals Differential Gene Expression Contributing to Phytophthora nicotianae Adaptation to Partial Resistance in Tobacco

AGRONOMY-BASEL, 11(4).

Characterization of Phn15.1, a Newly Identified Phytophthora nicotianae Resistance QTL in Nicotiana tabacum

PLANT DISEASE, 104(6), 1638–1646.

Genetic and Agronomic Analysis of Tobacco Genotypes Exhibiting Reduced Nicotine Accumulation Due to Induced Mutations in Berberine Bridge Like (BBL) Genes

FRONTIERS IN PLANT SCIENCE, 11.

Identification and editing of a hybrid lethality gene expands the range of interspecific hybridization potential in Nicotiana

THEORETICAL AND APPLIED GENETICS, 133(10), 2915–2925.

Agronomic Practices Affecting Nicotine Concentration in Flue-Cured Tobacco: A Review

[Review of ]. AGRONOMY JOURNAL, 111(6), 3067–3075.

Evaluating diverse systems of tobacco genetic resistance to Phytophthora nicotianae in Yunnan, China

PLANT PATHOLOGY, 68(9), 1616–1623.

Genetic Control of Facultative Parthenocarpy in Nicotiana tabacum L.

JOURNAL OF HEREDITY, 110(5), 610–617.

Genetic analysis of Phn7.1, a major QTL conferring partial resistance to Phytophthora nicotianae in Nicotiana tabacum

MOLECULAR BREEDING, 39(1).

Heterosis in Flue-Cured Tobacco and Its Utility in Predicting Transgressive Segregation within Derived Populations of Inbred Lines

CROP SCIENCE, 59(3), 957–967.

Identification and validation of SNP markers associated with Wz-mediated Phytophthora nicotianae resistance in Nicotiana tabacum L.

MOLECULAR BREEDING, 39(7).

Increasing Photosynthesis: Unlikely Solution For World Food Problem

[Review of ]. TRENDS IN PLANT SCIENCE, 24(11), 1032–1039.

Potential Mandated Lowering of Nicotine Levels in Cigarettes: A Plant Perspective

Lewis, R. S. (2019, July). NICOTINE & TOBACCO RESEARCH, Vol. 21, pp. 991–995.

Characterization of Phytophthora nicotianae Resistance Conferred by the Introgressed Nicotiana rustica Region, Wz, in Flue-Cured Tobacco

PLANT DISEASE, 102(2), 309–317.

Filter paper-based spin column method for cost-efficient DNA or RNA purification

PLOS ONE, 13(12).

A reference genome for Nicotiana tabacum enables map-based cloning of homeologous loci implicated in nitrogen utilization efficiency

BMC GENOMICS, 18.

Heterosis, transmission genetics, and selection for increased growth rate in a N. tabacum x synthetic tobacco cross

MOLECULAR BREEDING, 37(4).

Multiple Disease Resistance Loci Affect Soilborne Disease Resistance in Tobacco (Nicotiana tabacum)

PHYTOPATHOLOGY, 107(9), 1055–1061.

The Tobacco Trichome Exudate Z-abienol and Its Relationship With Plant Resistance to Phytophthora nicotianae

PLANT DISEASE, 101(7), 1214–1221.

Expression of a constitutively active nitrate reductase variant in tobacco reduces tobacco-specific nitrosamine accumulation in cured leaves and cigarette smoke

PLANT BIOTECHNOLOGY JOURNAL, 14(7), 1500–1510.

Heat Unit Accumulation and Days to Anthesis Relationship in Tobacco Genotypes with an Introgressed QTL Affecting Leaf Number

CROP SCIENCE, 56(6), 3228–3236.

Black Shank Resistance and Agronomic Performance of Flue-Cured Tobacco Lines and Hybrids Carrying the Introgressed Nicotiana rustica Region, Wz

CROP SCIENCE, 55(1), 79–86.

Genetic Factors for Enhancement of Nicotine Levels in Cultivated Tobacco

SCIENTIFIC REPORTS, 5.

Identification of maternal haploids of Nicotiana tabacum aided by transgenic expression of green fluorescent protein: evidence for chromosome elimination in the N-tabacum x N-africana interspecific cross

MOLECULAR BREEDING, 35(9).

Mapping quantitative trait loci determining seed longevity in tobacco (Nicotiana tabacum L.)

EUPHYTICA, 202(3), 479–486.

Transgenic and Mutation-Based Suppression of a Berberine Bridge Enzyme-Like (BBL) Gene Family Reduces Alkaloid Content in Field-Grown Tobacco

PLOS ONE, 10(2).

Allopolyploidy and the evolution of plant virus resistance

BMC EVOLUTIONARY BIOLOGY, 14.

Effect of an Introgressed Nicotiana tomentosa Leaf Number QTL on Yield and Quality Characteristics in Flue-Cured Tobacco

CROP SCIENCE, 54(2), 586–594.

(R)-nicotine biosynthesis, metabolism and translocation in tobacco as determined by nicotine demethylase mutants

PHYTOCHEMISTRY, 95, 188–196.

An Introgressed Nicotiana rustica Genomic Region Confers Resistance to Phytophthora nicotianae in Cultivated Tobacco

CROP SCIENCE, 53(4), 1366–1374.

Breeding Cycles Expedited by FT-mediated Reduction in Generation Time

CROP SCIENCE, 53(6), 2384–2391.

Long-term Genetic Improvement and Genetic Diversity of Croatian Flue-cured Tobacco (Nicotiana tabacum L.) Cultivars

CROP SCIENCE, 53(1), 112–120.

STALK ROT RESISTANCE IN MAKSIMIR 3 SYNTHETIC MAIZE POPULATION AFTER FOUR CYCLES OF RECURRENT SELECTION

GENETIKA-BELGRADE, 45(3), 921–928.

Development of CAPS and dCAPS markers for CYP82E4, CYP82E5v2 and CYP82E10 gene mutants reducing nicotine to nornicotine conversion in tobacco

MOLECULAR BREEDING, 29(3), 589–599.

Growth Chamber Evaluation of a Tobacco 'Beinhart 1000' x 'Hicks' Mapping Population for Quantitative Trait Loci Affecting Resistance to Multiple Races of Phytophthora nicotianae

CROP SCIENCE, 52(1), 91–98.

Impact of Alleles at the Yellow Burley (Yb) Loci and Nitrogen Fertilization Rate on Nitrogen Utilization Efficiency and Tobacco-Specific Nitrosamine (TSNA) Formation in Air-Cured Tobacco

Journal of Agricultural and Food Chemistry, 60(25), 6454–6461.

Mapping of quantitative trait loci affecting resistance to Phytophthora nicotianae in tobacco (Nicotiana tabacum L.) line Beinhart-1000

MOLECULAR BREEDING, 29(1), 89–98.

Identification of Tobacco Haploids on the Basis of Transgenic Overexpression of PAP1 from Arabidopsis thaliana

CROP SCIENCE, 51(4), 1491–1497.

Variability for Resistance to Phytophthora nicotianae Within a Collection of Nicotiana rustica Accessions

PLANT DISEASE, 95(11), 1443–1447.

Agronomic Performance of Tobacco Mosaic Virus-Resistant Tobacco Lines and Hybrids Possessing the Resistance Gene N Introgressed on Different Chromosomes

CROP SCIENCE, 50(4), 1339–1347.

Analysis of a Nicotiana tabacum L. Genomic Region Controlling Two Leaf Surface Chemistry Traits

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 58(1), 294–300.

Three nicotine demethylase genes mediate nornicotine biosynthesis in Nicotiana tabacum L Functional characterization of the CYP82E10 gene

PHYTOCHEMISTRY, 71(17-18), 1988–1998.

A method for accelerated trait conversion in plant breeding

THEORETICAL AND APPLIED GENETICS, 118(8), 1499–1508.

Changes in Genetic Diversity of US Flue-Cured Tobacco Germplasm over Seven Decades of Cultivar Development

CROP SCIENCE, 49(2), 498–508.

Microsatellite-based Analysis of Tobacco (Nicotiana tabacum L.) Genetic Resources

CROP SCIENCE, 49(6), 2149–2159.

Evaluation of tobacco germplasm for seedling resistance to stem rot and target spot caused by Thanatephorus cucumeris

PLANT DISEASE, 92(3), 425–430.

RNA interference (RNAi)-induced suppression of nicotine demethylase activity reduces levels of a key carcinogen in cured tobacco leaves

PLANT BIOTECHNOLOGY JOURNAL, 6(4), 346–354.

Use of transferable Nicotiana tabacum L. microsatellite markers for investigating genetic diversity in the genus Nicotiana

GENOME, 51(8), 547–559.

Analysis of an introgressed Nicotiana tomentosa genomic region affecting leaf number and correlated traits in Nicotiana tabacum

THEORETICAL AND APPLIED GENETICS, 114(5), 841–854.

Aspects of the evolution of Nicotiana tabacum L. and the status of the United States Nicotiana Germplasm Collection

GENETIC RESOURCES AND CROP EVOLUTION, 54(4), 727–740.

Evaluation of Nicotiana tabacum genotypes possessing Nicotiana africana-derived genetic tolerance to potato virus Y

CROP SCIENCE, 47(5), 1975–1984.

The negative influence of N-mediated TMV resistance on yield in tobacco: linkage drag versus pleiotropy

THEORETICAL AND APPLIED GENETICS, 115(2), 169–178.

Identification of germplasm of possible value for confronting an unfavorable inverse genetic correlation in tobacco

CROP SCIENCE, 46(4), 1764–1771.

Molecular and genetic characterization of N. glutinosa L. chromosome segments in tobacco mosaic virus (TMV)-resistant tobacco accessions

Crop Science, 45(6), 2355–2362.

RAPD and SCAR markers linked to an introgressed gene conditioning resistance to Peronospora tabacina D.B. Adam in tobacco

Crop Science, 45(6), 2346–2354.

Transfer of resistance to potato virus Y (PVY) from Nicotiana africana to Nicotiana tabacum: possible influence of tissue culture on the rate of introgression

THEORETICAL AND APPLIED GENETICS, 110(4), 678–687.

Incorporation of tropical maize germplasm into inbred lines derived from temperate x temperate-adapted tropical line crosses: agronomic and molecular assessment

THEORETICAL AND APPLIED GENETICS, 107(5), 798–805.

Efforts to initiate construction of a disease resistance package on a designer chromosome in tobacco

CROP SCIENCE, 41(5), 1420–1427.