Kent Oliver Burkey

Works (61)

Updated: August 16th, 2024 13:37

2024 journal article

Long-term tropospheric ozone pollution disrupts plant-microbe-soil interactions in the agroecosystem

GLOBAL CHANGE BIOLOGY, 30(3).

By: K. Zhang*, R. Zentella n, K. Burkey n, H. Liao* & R. Tisdale n

author keywords: arbuscular mycorrhizal fungi; free-living diazotrophs; long-term ozone pollution; plant performance; soil health; soil-microbe-plant interactions
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: March 18, 2024

2023 journal article

A Rapid Alkalinization Factor-like Peptide EaF82 Impairs Tapetum Degeneration during Pollen Development through Induced ATP Deficiency

CELLS, 12(11).

By: C. Hung*, F. Kittur*, K. Wharton*, M. Umstead*, D. Burwell*, M. Thomas*, Q. Qi*, J. Zhang* ...

author keywords: ATP deficiency; cysteine-rich peptide; Epipremnum aureum; kinase AKIN10; pollen production; rapid alkalinization factor; tapetum degeneration
MeSH headings : Arabidopsis / metabolism; Cysteine / metabolism; Flowers; Pollen / genetics; Peptides / metabolism; Adenosine Triphosphate / metabolism; Protein Serine-Threonine Kinases / metabolism; Arabidopsis Proteins / genetics; Arabidopsis Proteins / metabolism
TL;DR: This study reveals a possible regulatory role for RALF peptide in tapetum degeneration and suggests that EaF82 action may be mediated through AKIN10 leading to the alteration of transcriptome and energy metabolism, thereby causing ATP deficiency and impairing pollen development. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: June 26, 2023

2023 journal article

Impact of tropospheric ozone on root proteomes of two soybean genotypes with contrasting sensitivity to ozone

ENVIRONMENTAL AND EXPERIMENTAL BOTANY, 208.

By: R. Zentella n, K. Burkey n & R. Tisdale n

author keywords: Tropospheric ozone(O3); Soybean; Proteome; O3-resilient soybean; Roots; Oxidative stress; Carbon source-sink balance
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (OpenAlex)
Source: Web Of Science
Added: April 11, 2023

2023 journal article

The interaction of O3 and CO2 concentration, exposure timing and duration on stem rust severity on winter wheat variety 'Coker 9553'

ENVIRONMENTAL POLLUTION, 334.

By: A. Mashaheet n, K. Burkey* & D. Marshall*

author keywords: Climate change; Elevated CO 2; Ozone; Stem rust; Wheat
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 28, 2023

2022 journal article

Microbial community dynamics responding to nutrient allocation associated with soybean cultivar ?Jake? ozone adaptation

SCIENCE OF THE TOTAL ENVIRONMENT, 864.

By: K. Zhang*, R. Zentella n, K. Burkey n, H. Liao* & R. Tisdale n

author keywords: Elevated ozone; Climate -resilient soybean; Nutrient source -sink balance; Soil microbiomes; Bacterial -fungal networks
MeSH headings : Soybeans; Ozone / analysis; Soil Microbiology; Microbiota; Bacteria; Chloroflexi; Soil
TL;DR: This study holistically investigated soil microbial communities associated with C and N dynamics and bacterial-fungal inter-kingdom networks in the rhizosphere and bulk soil at different developmental stages of 'Jake' grown under sub-ambient O3 or eO3, and identified O3-responsive microbial biomarkers that may support the O3 resilience of the ' Jake' cultivar. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: January 30, 2023

2021 journal article

Different Capability of Native and Non-native Plant Growth-Promoting Bacteria to Improve Snap Bean Tolerance to Ozone

WATER AIR AND SOIL POLLUTION, 232(7).

By: P. Kittipornkul*, P. Thiravetyan*, A. De Carlo*, K. Burkey n & E. Paoletti*

author keywords: Snap bean; Ozone; Plant growth-promoting bacteria
TL;DR: It is concluded that PGPB are able to ameliorate O 3 stress through induction of systemic resistance; the level of bacterial ACC deaminase is one of the good markers for identifying effective strains and may be tested as an agricultural practice for improving crop yield under O 3 pollution. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: September 13, 2021

2021 journal article

Impact of elevated ozone on yield and carbon-nitrogen content in soybean cultivar 'Jake'

PLANT SCIENCE, 306.

By: R. Tisdale n, R. Zentella n & K. Burkey n

author keywords: Air pollution; Ozone; Yield loss; Breeding material; Source-sink balance
MeSH headings : Carbon / metabolism; Crops, Agricultural / genetics; Crops, Agricultural / growth & development; Crops, Agricultural / metabolism; Genetic Variation; Genotype; Nitrogen / metabolism; North Carolina; Ozone / metabolism; Seeds / drug effects; Soybeans / genetics; Soybeans / growth & development; Soybeans / metabolism
TL;DR: It is concluded that cultivar 'Jake' possesses developmental strength to tolerate chronic O3 conditions, attributes that make it suitable breeding material for the generation of new O3 tolerant lines. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: April 26, 2021

2021 journal article

Transformation of Long-Lived Albino Epipremnum aureum 'Golden Pothos' and Restoring Chloroplast Development

FRONTIERS IN PLANT SCIENCE, 12.

By: C. Hung*, J. Zhang*, C. Bhattacharya*, H. Li*, F. Kittur*, C. Oldham*, X. Wei*, K. Burkey n, J. Chen*, J. Xie*

author keywords: albino; Epipremnum aureum 'Golden Pothos'; Mg-protoporphyrin IX monomethyl ester cyclase; long-lived; chlorophyll biosynthesis; chloroplast development; Agrobacterium-mediated transformation
TL;DR: This study reports a long-lived albino mutant derived from a popular ornamental plant Epipremnum aureum ‘Golden Pothos’ which could be used as a model for analyzing the function of genes involved in chloroplast development and generating colorful plants. (via Semantic Scholar)
Source: Web Of Science
Added: June 10, 2021

2021 journal article

Warming and elevated ozone induce tradeoffs between fine roots and mycorrhizal fungi and stimulate organic carbon decomposition

SCIENCE ADVANCES, 7(28).

By: Y. Qiu n, L. Guo n, X. Xu*, L. Zhang*, K. Zhang*, M. Chen*, Y. Zhao*, K. Burkey n ...

TL;DR: It is shown that warming, eO3, and their combination induce tradeoffs between roots and their symbiotic arbuscular mycorrhizal fungi (AMF) and stimulate organic C decomposition in a nontilled soybean agroecosystem and how these responses may modulate soil organic C dynamics under future climate change scenarios is provided. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: July 26, 2021

2020 journal article

Differential Ozone Responses Identified among Key Rust-Susceptible Wheat Genotypes

AGRONOMY-BASEL, 10(12).

author keywords: global food security; resilient wheat; relative growth rate; ozone injury
TL;DR: The suitability of visible symptoms and biomass responses in high-throughput screening of wheat for O3 tolerance was discussed, and Chinese Spring was the most tolerant genotype based on both parameters and could be used as a source for O 3 tolerance. (via Semantic Scholar)
Source: Web Of Science
Added: January 19, 2021

2020 journal article

Interactive Effects of Elevated Ozone and Temperature on Growth and Yield of Soybean (Glycine max (L.) Merr.) under Field Conditions

AGRONOMY-BASEL, 10(11).

By: K. Burkey n, R. Tisdale n, R. Zobel n, S. Ray* & W. Pursley*

author keywords: biomass; harvest index; ozone; seed yield; soybean; temperature
Source: Web Of Science
Added: December 14, 2020

2020 journal article

Tropospheric ozone rapidly decreases root growth by altering carbon metabolism and detoxification capability in growing soybean roots

SCIENCE OF THE TOTAL ENVIRONMENT, 766.

By: R. Tisdale n, R. Zobel n & K. Burkey n

author keywords: Ozone (O-3); Glycolysis; The tricarboxylic acid (TCA) cycle; The ascorbate-glutathione cycle; Carbon source-sink balance
MeSH headings : Air Pollutants; Carbon; Fabaceae; Ozone / toxicity; Plant Leaves; Proteomics; Soybeans
TL;DR: It is concluded that a decreased abundance of key redox enzymes in roots due to limited carbon availability rapidly alters root growth under O3 stress, however, maintaining a high abundance of enzymes associated with redox status and detoxification capability contributes to overall O3 tolerance in roots. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: April 5, 2021

2019 journal article

Chromosome Location Contributing to Ozone Tolerance in Wheat

PLANTS-BASEL, 8(8).

By: A. Mashaheet n, K. Burkey* & D. Marshall n

author keywords: wheat; Triticum aestivum; ozone; wheat genome
TL;DR: The objective was to use the ‘Chinese Spring’ monosomic lines to screen for ozone response and identify the chromosomic locations contributing to ozone tolerance based on foliar injury and identify chromosome 7A as a major contributor to tolerance to ozone injury in ‘ Chinese Spring”. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: September 23, 2019

2019 journal article

Modeling the effects of tropospheric ozone on wheat growth and yield

EUROPEAN JOURNAL OF AGRONOMY, 105, 13–23.

By: J. Guarin*, B. Kassie*, A. Mashaheet n, K. Burkey* & S. Asseng*

author keywords: Ozone; Crop model; Wheat yield; Food security; Water stress; Elevated CO2
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: April 29, 2019

2019 journal article

Physiological basis for controlling water consumption by two snap beans genotypes using different anti-transpirants

AGRICULTURAL WATER MANAGEMENT, 214, 17–27.

author keywords: Transpiration; Kaolin; Pinolene; Water use efficiency; Fine roots; Very fine roots
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: March 4, 2019

2019 journal article

Shifts in the Composition and Activities of Denitrifiers Dominate CO2 Stimulation of N2O Emissions

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 53(19), 11204–11213.

MeSH headings : Carbon Dioxide; Denitrification; Nitrogen; Nitrous Oxide; Soil; Soil Microbiology
TL;DR: The results suggest that effective management of N sources may mitigate N2O emissions by negating eCO2-stimulation of soil denitrifying microbes and their activities. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: October 28, 2019

2018 journal article

Atmospheric CO2 Enrichment and Reactive Nitrogen Inputs Interactively Stimulate Soil Cation Losses and Acidification

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 52(12), 6895–6902.

By: L. Zhang n, Y. Qiu n, L. Cheng*, Y. Wang*, L. Liu*, C. Tu n, D. Bowman n, K. Burkey n ...

MeSH headings : Carbon Dioxide; Cations; Ecosystem; Hydrogen-Ion Concentration; Nitrogen; Soil
TL;DR: The cation dynamics in the plant-soil system with exposure to eCO2 and different N sources in a subtropical, acidic agricultural soil is investigated, providing new insights into the dynamics of cation nutrients and soil acidity under future climatic scenarios. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2018 journal article

Contrasting Warming and Ozone Effects on Denitrifiers Dominate Soil N2O Emissions

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 52(19), 10956–10966.

By: Y. Qu, Y. Jiang n, L. Guo n, K. Burkey n, R. Zobel n, H. Shew n, S. Hu n

MeSH headings : Greenhouse Gases; Nitrous Oxide; Ozone; Soil; Soil Microbiology
TL;DR: It is suggested that warming may promote N2O production through increasing both the abundance and activities of N 2O-producing microbes, positively feeding back to the ongoing climate change. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: October 19, 2018

2017 journal article

Accumulation of high OPDA level correlates with reduced ROS and elevated GSH benefiting white cell survival in variegated leaves

SCIENTIFIC REPORTS, 7.

By: Y. Sun*, C. Hung*, J. Qiu*, J. Chen*, F. Kittur*, C. Oldham*, R. Henny*, K. Burkey n, L. Fan*, J. Xie*

MeSH headings : Araceae / metabolism; Cell Survival; Fatty Acids, Unsaturated / metabolism; Free Radical Scavengers / metabolism; Gene Expression Regulation, Plant / physiology; Plant Leaves / metabolism; Plant Proteins / biosynthesis; Reactive Oxygen Species / metabolism
TL;DR: Elevated OPDA or its related compounds are recruited by white cells as a signaling molecule(s) to up-regulate stress and scavenging activity related genes that leads to reduced ROS levels and provides survival advantages to the white cells. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2017 journal article

RNA-Seq study reveals genetic responses of diverse wild soybean accessions to increased ozone levels

BMC GENOMICS, 18.

By: N. Waldeck*, K. Burkey n, T. Carter*, D. Dickey n, Q. Song* & E. Taliercio*

author keywords: Abiotic stress; Defense; Photosynthesis; Wild soybean germplasm
MeSH headings : Dose-Response Relationship, Drug; Genetic Variation; Genotype; Ozone / pharmacology; Plant Leaves / drug effects; RNA, Plant / genetics; Sequence Analysis, RNA; Soybeans / drug effects; Soybeans / genetics
TL;DR: Wild soybean accessions characterized in this study can be used by soybean breeders to enhance ozone tolerance of this important food crop and demonstrate the existence of significant diversity in wild soybean for ozone response. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Stable isotopic composition of perchlorate and nitrate accumulated in plants: Hydroponic experiments and field data

SCIENCE OF THE TOTAL ENVIRONMENT, 595, 556–566.

By: N. Estrada*, J. Bohlke*, N. Sturchio*, B. Gu*, G. Harvey*, K. Burkey n, D. Grantz*, M. McGrath* ...

author keywords: Oxygen isotopes; Chlorine isotopes; Nitrogen isotopes; Plant uptake; Isotope fractionation in snap beans; (Phaseolus vulgaris L.); Irrigation
MeSH headings : Environmental Monitoring; Hydroponics; Nitrates / analysis; Nitrogen Isotopes / analysis; Perchlorates / analysis; Phaseolus / metabolism; Water Pollutants, Chemical / analysis
TL;DR: It is shown that some types of plants can accumulate and (presumably) release ClO4- to soil and groundwater without altering its isotopic characteristics, which may be useful for determining sources of fertilizers and sources of ClO 4- in their growth environments and consequently in food supplies. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2016 journal article

CO2-induced alterations in plant nitrate utilization and root exudation stimulate N2O emissions

SOIL BIOLOGY & BIOCHEMISTRY, 106, 9–17.

author keywords: Elevated CO2; Root exudation; Nitrous oxide; N-15 tracer; Ammonium nitrogen (NH4+-N); Nitrate nitrogen (NO3--N); Fertilization management
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Phenotypic variation and identification of quantitative trait loci for ozone tolerance in a Fiskeby III x Mandarin (Ottawa) soybean population

THEORETICAL AND APPLIED GENETICS, 129(6), 1113–1125.

By: A. Burton*, K. Burkey*, T. Carter*, J. Orf* & P. Cregan*

MeSH headings : Alleles; Chromosome Mapping; Genotype; Ozone / adverse effects; Phenotype; Plant Leaves / physiology; Quantitative Trait Loci; Soybeans / genetics; Soybeans / physiology
TL;DR: Quantitative trait loci analysis showed that loci were associated with distinct leaf developmental stages and lower in younger leaves for both parents and progeny, compared to scores in the older leaves. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Biochemical and physiological processes associated with the differential ozone response in ozone-tolerant and sensitive soybean genotypes

PLANT BIOLOGY, 18, 28–36.

By: C. Chutteang*, F. Booker n, P. Na-Ngern*, A. Burton n, M. Aoki* & K. Burkey n

author keywords: Antioxidants; ethylene; ozone tolerance; peroxidases; photosynthesis; soybean
MeSH headings : Antioxidants / metabolism; Ascorbic Acid / pharmacology; Electron Transport; Ethylenes / pharmacology; Genotype; Glutathione / metabolism; Glutathione Reductase / metabolism; Hydrogen Peroxide / metabolism; Oxidation-Reduction; Ozone / adverse effects; Photosynthesis / drug effects; Physiological Phenomena / drug effects; Plant Growth Regulators / pharmacology; Plant Leaves / physiology; Plant Leaves / radiation effects; Plant Proteins / genetics; Plant Proteins / metabolism; Plant Transpiration / drug effects; Soybeans / drug effects; Soybeans / genetics; Soybeans / physiology; Superoxide Dismutase / metabolism
TL;DR: Increased sensitivity of Mandarin (Ottawa) to O3 was associated with higher H2 O2 and O2 production compared with Fiskeby III, possibly associated with genotype differences in stomatal function or regulation of ethylene during the initial phases of O3 response. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2015 article

Plants and the changing environment

De Kok, L. J., Grantz, D. A., & Burkey, K. O. (2016, January). PLANT BIOLOGY, Vol. 18, pp. 3–4.

By: L. De Kok*, D. Grantz* & K. Burkey n

MeSH headings : Climate Change; Environment; Plant Physiological Phenomena; Plants; Stress, Physiological
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Differential expression of a novel gene EaF82a in green and yellow sectors of variegated Epipremnum aureum leaves is related to uneven distribution of auxin

PHYSIOLOGIA PLANTARUM, 152(4), 749–762.

By: C. Hung*, M. Umstead*, J. Chen*, B. Holliday*, F. Kittur*, R. Henny*, K. Burkey n, J. Xie*

MeSH headings : Arabidopsis / genetics; Arabidopsis / metabolism; Arabidopsis / radiation effects; Araceae / genetics; Araceae / metabolism; Araceae / radiation effects; Gene Expression Regulation, Plant; Genes, Reporter; Indoleacetic Acids / metabolism; Light; Multigene Family; Plant Growth Regulators / metabolism; Plant Leaves / genetics; Plant Leaves / metabolism; Plant Leaves / radiation effects; Plant Proteins / genetics; Plant Proteins / metabolism; Plant Roots / genetics; Plant Roots / metabolism; Plant Roots / radiation effects; Plants, Genetically Modified; Promoter Regions, Genetic; Recombinant Fusion Proteins; Seedlings / genetics; Seedlings / metabolism; Seedlings / radiation effects
TL;DR: Indole-3-acetic acid concentration was observed when EaF82a expression in etiolated transgenic Arabidopsis seedlings responded to IAA under the influence of light suggesting a microenvironment of uneven light condition affects the Eaf82a transcript levels and protein accumulation in variegated leaves. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2014 journal article

Soil microbial responses to elevated CO2 and O-3 in a nitrogen-aggrading agroecosystem

Carbon Capture and Storage: CO2 Management Technologies, 277–307.

By: L. Cheng, F. Booker, K. Burkey, C. Tu, H. Shew, T. Rufty, E. Fiscus, J. Deforest, S. Hu

Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2013 journal article

Demonstration of a diel trend in sensitivity of Gossypium to ozone: a step toward relating O-3 injury to exposure or flux

JOURNAL OF EXPERIMENTAL BOTANY, 64(6), 1703–1713.

By: D. Grantz*, H. Vu*, R. Heath* & K. Burkey n

author keywords: Air pollution impact; antioxidant metabolism; chlorophyll content; cotton; diurnal sensitivity; gas exchange; O-3; ozone flux modelling; ozone injury; SPAD
MeSH headings : Antioxidants / metabolism; Chlorophyll / metabolism; Dose-Response Relationship, Drug; Gossypium / drug effects; Gossypium / metabolism; Gossypium / physiology; Ozone / metabolism; Ozone / pharmacology; Plant Diseases; Plant Leaves / metabolism; Plant Stomata / metabolism; Plant Stomata / physiology; Seasons; Stress, Physiological; Time Factors
TL;DR: This physiologically based sensitivity parameter provides a novel weighting factor to improve modelled relationships between either flux or exposure to O3, and O3 impacts, and represents a substantial improvement over concentration- or phenology-based weighting factors currently in use. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Elevated CO2 spurs reciprocal positive effects between a plant virus and an arbuscular mycorrhizal fungus

NEW PHYTOLOGIST, 199(2), 541–549.

author keywords: arbuscular mycorrhizas; Avena fatua; Barley yellow dwarf virus; Bromus hordeaceus; carbon dioxide; microbes; phosphorus; plant-soil interactions
MeSH headings : Biomass; Bromus / drug effects; Bromus / microbiology; Bromus / virology; Carbon Dioxide / pharmacology; Colony Count, Microbial; Mycorrhizae / drug effects; Mycorrhizae / growth & development; Mycorrhizae / physiology; Phosphorus / metabolism; Plant Leaves / drug effects; Plant Leaves / metabolism; Plant Viruses / drug effects; Plant Viruses / physiology; Plants / drug effects; Plants / microbiology; Plants / virology; Poaceae / drug effects; Poaceae / microbiology; Poaceae / virology; Species Specificity; Symbiosis / drug effects; Viral Load
TL;DR: It is shown that plant mutualists and pathogens can alter each other's success, and it is predicted that these interactions will respond to increased resource availability and elevated CO(2). (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

Alteration of the Alkaloid Profile in Genetically Modified Tobacco Reveals a Role of Methylenetetrahydrofolate Reductase in Nicotine N-Demethylation

PLANT PHYSIOLOGY, 161(2), 1049–1060.

By: C. Hung*, L. Fan*, F. Kittur*, K. Sun*, J. Qiu*, S. Tang*, B. Holliday*, B. Xiao* ...

MeSH headings : Alkaloids / metabolism; Amino Acid Sequence; Base Sequence; Cloning, Molecular; Cytochrome P-450 Enzyme System / genetics; Cytochrome P-450 Enzyme System / metabolism; DNA, Complementary / chemistry; DNA, Complementary / genetics; Folic Acid / metabolism; Gene Expression Regulation, Enzymologic; Gene Expression Regulation, Plant; Immunoblotting; Methylation; Methylenetetrahydrofolate Reductase (NADPH2) / genetics; Methylenetetrahydrofolate Reductase (NADPH2) / metabolism; Molecular Sequence Data; Nicotine / analogs & derivatives; Nicotine / metabolism; Plant Leaves / genetics; Plant Leaves / metabolism; Plant Proteins / genetics; Plant Proteins / metabolism; Plants, Genetically Modified; RNA Interference; Reverse Transcriptase Polymerase Chain Reaction; Sequence Analysis, DNA; Sequence Homology, Amino Acid; Sequence Homology, Nucleic Acid; Tobacco / genetics; Tobacco / metabolism
TL;DR: This finding reveals a new regulatory role of NtMTHFR1 in nicotine N-demethylation and suggests that the negative regulation of CYP82E4 expression may serve to recruit methyl groups from nicotine into the C1 pool under C1-deficient conditions. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
3. Good Health and Well-being (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Field assessment of a snap bean ozone bioindicator system under elevated ozone and carbon dioxide in a free air system

ENVIRONMENTAL POLLUTION, 166, 167–171.

By: K. Burkey n, F. Booker n, E. Ainsworth* & R. Nelson*

author keywords: Bioindicator; Carbon dioxide; Free air concentration enrichment (FACE); Ozone; Snap bean
MeSH headings : Adaptation, Physiological; Air Pollutants / analysis; Air Pollutants / metabolism; Air Pollutants / toxicity; Carbon Dioxide / analysis; Carbon Dioxide / metabolism; Carbon Dioxide / toxicity; Environmental Monitoring / methods; Ozone / analysis; Ozone / metabolism; Ozone / toxicity; Phaseolus / drug effects; Phaseolus / physiology; Stress, Physiological
TL;DR: Ratios of sensitive to tolerant genotype pod yields were identified as a useful measurement for assessing O(3) impacts with potential applications in diverse settings including agricultural fields. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Influence of atmospheric vapour pressure deficit on ozone responses of snap bean (Phaseolus vulgaris L.) genotypes

JOURNAL OF EXPERIMENTAL BOTANY, 63(7), 2557–2564.

By: E. Fiscus n, F. Booker n, W. Sadok* & K. Burkey n

author keywords: Air pollutants; bioindicator; ozone; snap bean; transpiration; vapour pressure deficit
MeSH headings : Air Pollutants / pharmacology; Ecosystem; Genotype; Ozone / pharmacology; Phaseolus / chemistry; Phaseolus / drug effects; Phaseolus / genetics; Phaseolus / physiology; Vapor Pressure
TL;DR: Data suggest that a stomatal response to VPD per se may be lacking in both genotypes and it is hypothesized that the high VPD resulted in unsustainable transpiration and water deficits that resulted in reduced growth and yield. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2011 article

SOIL MICROBIAL RESPONSES TO ELEVATED CO2 AND O-3 IN A NITROGEN-AGGRADING AGROECOSYSTEM

CARBON CAPTURE AND STORAGE: CO2 MANAGEMENT TECHNOLOGIES, Vol. 6, pp. 277–307.

MeSH headings : Aerobiosis / drug effects; Agriculture; Bacteria / drug effects; Biomass; Carbon / metabolism; Carbon Dioxide / pharmacology; Ecosystem; Fatty Acids / analysis; Fungi / drug effects; Minerals / metabolism; Nitrogen / metabolism; Nitrogen Fixation / drug effects; Ozone / pharmacology; Phospholipids / analysis; Seasons; Soil; Soil Microbiology; Soybeans / drug effects; Soybeans / physiology
TL;DR: The results suggest that more attention should be directed towards assessing the impact of N availability on microbial activities and decomposition in projections of soil organic C balance in N-rich systems under future CO2 scenarios. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 journal article

Identification of a Mg-protoporphyrin IX monomethyl ester cyclase homologue, EaZIP, differentially expressed in variegated Epipremnum aureum 'Golden Pothos' is achieved through a unique method of comparative study using tissue regenerated plants

JOURNAL OF EXPERIMENTAL BOTANY, 61(5), 1483–1493.

By: C. Hung*, Y. Sun n, J. Chen*, D. Darlington*, A. Williams*, K. Burkey n, J. Xie*

author keywords: Golden Pothos; Mg-protoporphyrin IX monomethyl ester cyclase; tissue culture; transcript abundance; variegation formation
TL;DR: It is suggested that tissue-culture regeneration of plantlets from different coloured sectors of variegated leaves can be used to investigate the underlying mechanisms ofvariegation, a valuable tool for studying chloroplast biogenesis. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2009 journal article

Elevated Atmospheric Carbon Dioxide and O-3 Differentially Alter Nitrogen Acquisition in Peanut

CROP SCIENCE, 49(5), 1827–1836.

By: C. Tu n, F. Booker n, K. Burkey n & S. Hu n

TL;DR: Results indicated that interactions between CO 2 and O 3 on plant physiology can alter N acquisition processes, with impacts on peanut productivity likely dependent in part on these changes. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Foliar resistance to ozone injury in the genetic base of US and Canadian soybean and prediction of resistance in descendent cultivars using coefficient of parentage

FIELD CROPS RESEARCH, 111(3), 207–217.

By: K. Burkey n & T. Carter n

author keywords: Ancestor; Coefficient of parentage; Foliar injury; Ozone tolerance; Soybean
TL;DR: The presence of O3-resistant ancestors suggested that resistant descendents may exist in addition to the resistant control Essex, and a method was developed to facilitate their identification, which suggested that cultivars from the Midwest may be more sensitive to foliar injury, on average, than Southern cultivars. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2009 review

The Ozone Component of Global Change: Potential Effects on Agricultural and Horticultural Plant Yield, Product Quality and Interactions with Invasive Species

[Review of ]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY, 51(4), 337–351.

By: F. Booker n, R. Muntifering*, M. McGrath*, K. Burkey n, D. Decoteau*, E. Fiscus n, W. Manning*, S. Krupa*, A. Chappelka*, D. Grantz*

author keywords: climate change; crop; forage; horticultural plant; ozone; product quality; weed; yield
MeSH headings : Agriculture / standards; Biomass; Fabaceae / drug effects; Fabaceae / growth & development; Genetic Variation / drug effects; Herbicides / pharmacology; Internationality; Introduced Species; Solanum lycopersicum / drug effects; Solanum lycopersicum / growth & development; North Carolina; Ozone / toxicity; Photosynthesis / drug effects; Plant Development; Plants / drug effects; Plants / genetics; Reproduction / drug effects; Seasons
TL;DR: It is concluded that current and projected levels of O3 in many regions worldwide are toxic to sensitive plants of agricultural and horticultural significance, while reductions in O3 precursor emissions will likely benefit world food production and reduce atmospheric concentrations of an important greenhouse gas. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Elevated carbon dioxide and ozone effects on peanut: I. Gas-exchange, biomass, and leaf chemistry

CROP SCIENCE, 47(4), 1475–1487.

By: F. Booker n, K. Burkey n, W. Pursley n & A. Heagle n

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Elevated carbon dioxide and ozone effects on peanut: II. Seed yield and quality

CROP SCIENCE, 47(4), 1488–1497.

By: K. Burkey n, F. Booker n, W. Pursley n & A. Heagle n

TL;DR: Overall results indicate that increasing concentrations of tropospheric O 3 will suppress yield of O 3 –sensitive peanut cultivars, while elevated CO 2 will moderate this response. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Leaf extracellular ascorbate in relation to O(3) tolerance of two soybean cultivars

ENVIRONMENTAL POLLUTION, 150(3), 355–362.

By: F. Cheng n, K. Burkey n, J. Robinson* & F. Booker n

author keywords: antioxidant capacity; apoplast; ascorbic acid; dehydroascorbic acid; ozone tolerance; soybean
MeSH headings : Agriculture; Air Pollutants / toxicity; Antioxidants / analysis; Ascorbic Acid / analysis; Dehydroascorbic Acid / analysis; Ecology; Ozone / toxicity; Photosynthesis; Plant Leaves / chemistry; Plant Leaves / metabolism; Soybeans / metabolism; Species Specificity; Vitamins / analysis
TL;DR: Investigation of soybean cultivars Essex and Forrest suggests that extracellular antioxidant metabolites in addition to ascorbate contribute to detoxification of O(3) in soybean leaves and possibly affect plant sensitivity to O( 3) injury. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2007 journal article

Plant nitrogen acquisition and interactions under elevated carbon dioxide: impact of endophytes and mycorrhizae

GLOBAL CHANGE BIOLOGY, 13(6), 1238–1249.

By: X. Chen n, C. Tu n, M. Burton n, D. Watson n, K. Burkey n & S. Hu n

author keywords: elevated CO2; endophyte; Festuca arundinacea; mycorrhizae; N-15 tracer; plant N acquisition; Plantago lanceolata
TL;DR: The results suggest that mycorrhizal fungi and endophytes might interactively affect the responses of their host plants and their coexisting species to elevated CO2. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Seasonal profiles of leaf ascorbic acid content and redox state in ozone-sensitive wildflowers

ENVIRONMENTAL POLLUTION, 143(3), 427–434.

By: K. Burkey n, H. Neufeld*, L. Souza*, A. Chappelka* & A. Davison*

author keywords: antioxidant capacity; ascorbic acid; foliar injury; great smoky mountains national park; native plants; ozone
MeSH headings : Air Pollutants / toxicity; Asclepias / metabolism; Ascorbic Acid / metabolism; Asteraceae / metabolism; England; Environmental Monitoring; Humans; Ozone / toxicity; Plant Leaves / metabolism; Rudbeckia / metabolism; Seasons; Verbesina / metabolism
TL;DR: Different differences in antioxidant metabolism were found in the wildflower species that corresponded with differences in ozone sensitivity, and identified antioxidant compounds were present in the leaf apoplast of all three species. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Assessment of ambient ozone effects on vegetation using snap bean as a bioindicator species

JOURNAL OF ENVIRONMENTAL QUALITY, 34(3), 1081–1086.

By: K. Burkey n, J. Miller n & E. Fiscus n

MeSH headings : Air Pollutants / toxicity; Biomass; Environmental Monitoring; Oxidants, Photochemical / toxicity; Ozone / toxicity; Phaseolus / genetics; Phaseolus / growth & development; Seasons; Seeds / growth & development
TL;DR: The results suggest that a snap bean bioindicator system has the potential to detect ambient ozone effects at present-day ozone concentrations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Seasonal development of ozone-induced foliar injury on tall milkweed (Asclepias exaltata) in Great Smoky Mountains National Park

ENVIRONMENTAL POLLUTION, 141(1), 175–183.

By: L. Souza*, H. Neufeld*, A. Chappelka*, K. Burkey n & A. Davison*

author keywords: tall milkweed; Asclepias exaltata; foliar injury; ozone; Great Smoky Mountains National Park; gas exchange; anti-oxidants
MeSH headings : Air Pollutants / toxicity; Asclepias; Environmental Monitoring / methods; North Carolina; Oxidants, Photochemical / toxicity; Ozone / toxicity; Plant Leaves; Seasons; Trees; Weather
TL;DR: The goals of this study were to document the development of ozone-induced foliar injury, on a leaf-by-leaf basis, and to develop ozone exposure relationships for leaf cohorts and individual tall milkweeds in Great Smoky Mountains National Park. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Differential responses of G-protein Arabidopsis thaliana mutants to ozone

NEW PHYTOLOGIST, 162(3), 633–641.

By: F. Booker*, K. Burkey*, K. Overmyer* & A. Jones*

author keywords: Arabidopsis; stomatal conductance; heterotrimeric G-protein; ozone; signal transduction
TL;DR: The results suggest that a heterotrimeric G-protein is critically involved in the expression of O3 effects in plants, and there was a positive correlation between the lack of a G- protein alpha subunit and decreased O3 sensitivity. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Factors that affect leaf extracellular ascorbic acid content and redox status

PHYSIOLOGIA PLANTARUM, 117(1), 51–57.

By: K. Burkey n, G. Eason n & E. Fiscus n

TL;DR: Apoplast [AA + DHA] content was 2-fold higher in tolerant Provider relative to sensitive S156 regardless of sampling period or treatment, supporting the hypothesis that extracellular AA is a factor in ozone tolerance. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Growth and yield responses of snap bean to mixtures of carbon dioxide and ozone

JOURNAL OF ENVIRONMENTAL QUALITY, 31(6), 2008–2014.

By: A. Heagle n, J. Miller n, K. Burkey n, G. Eason n & W. Pursley n

MeSH headings : Air Pollutants / adverse effects; Carbon Dioxide / pharmacology; Environmental Exposure; Oxidants, Photochemical / adverse effects; Ozone / adverse effects; Phaseolus / growth & development
TL;DR: Extreme sensitivity to O3 may be the reason elevated CO2 failed to significantly protect S156 from O3 stress, whereas elevated O3 significantly suppressed growth and pod weight of S156 but not of Tenderette. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Ozone tolerance in snap bean is associated with elevated ascorbic acid in the leaf apoplast

PHYSIOLOGIA PLANTARUM, 114(3), 387–394.

By: K. Burkey n & G. Eason n

TL;DR: The capacity to detoxify ozone in the extracellular space may be underestimated under elevated ozone conditions where the dynamics of AA supply and utilization are not adequately represented by a steady-state measurement. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Ambient ozone and plant health

PLANT DISEASE, 85(1), 4–12.

By: S. Krupa*, M. McGrath*, C. Andersen*, F. Booker n, K. Burkey n, A. Chappelka*, B. Chevone*, E. Pell*, B. Zilinskas*

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Antioxidant metabolite levels in ozone-sensitive and tolerant genotypes of snap bean

PHYSIOLOGIA PLANTARUM, 110(2), 195–200.

By: K. Burkey n, C. Wei*, G. Eason n, P. Ghosh n & G. Fenner n

TL;DR: Overall, ozone sensitive and tolerant plants were not clearly distinguished by differences in leaf antioxidant content, suggesting that screening for ozone tolerance based on antioxidant content is not a reliable approach. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Effects of chronic ozone and elevated atmospheric CO2 concentrations on ribulose-1,5-bisphosphate in soybean (Glycine max)

PHYSIOLOGIA PLANTARUM, 106(4), 378–385.

By: C. Reid n, E. Fiscus n & K. Burkey n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Effects of ozone on apoplast/cytoplasm partitioning of ascorbic acid in snap bean

PHYSIOLOGIA PLANTARUM, 107(2), 188–193.

By: K. Burkey*

TL;DR: It is suggested that genetic background and ozone stress are factors that affect AA levels in the extracellular space in four genotypes of snap bean known to differ in ozone sensitivity. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Combined effects of chronic ozone and elevated CO2 on Rubisco activity and leaf components in soybean (Glycine max)

JOURNAL OF EXPERIMENTAL BOTANY, 49(329), 1999–2011.

By: C. Reid*, E. Fiscus & K. Burkey

author keywords: O-3 x CO2 interaction; carbohydrate metabolism; Rubisco; sugars; non-structural carbohydrates
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
13. Climate Action (Web of Science)
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Identification of a novel isoform of the chloroplast-coupling factor alpha-subunit

PLANT PHYSIOLOGY, 116(2), 703–708.

By: K. Burkey n & J. Mathis*

MeSH headings : Amino Acid Sequence; Electrophoresis, Polyacrylamide Gel; Hordeum / enzymology; Hordeum / growth & development; Immunochemistry; Molecular Sequence Data; Proton-Translocating ATPases / chemistry; Proton-Translocating ATPases / isolation & purification; Triticum / enzymology; Triticum / growth & development
TL;DR: The 64-kD protein was identified as an irradiance-dependent isoform of the CF1 alpha-subunit found only in monocots, which represented up to 15% of the total CF1alpha-sub unit. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Effects of canopy shade on the lipid composition of soybean leaves

Physiologia Plantarum, 101(3), 591–598.

By: K. Burkey*, R. Wilson* & R. Wells*

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

1996 journal article

Effects of natural shade on soybean thylakoid membrane composition

PHOTOSYNTHESIS RESEARCH, 50(2), 149–158.

By: K. Burkey n & R. Wells n

author keywords: chlorophyll-protein complexes; coupling factor; light environment; light-harvesting; photosystem plastocyanin
TL;DR: The plant density effect on electron transport was associated with differences in plastocyanin concentration, suggesting that plastoplast thylakoid membrane activity and composition is a limiting factor in soybean. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

1996 journal article

Genetic variation in soybean photosynthetic electron transport capacity is related to plastocyanin concentration in the chloroplast

PHOTOSYNTHESIS RESEARCH, 49(2), 141–149.

By: K. Burkey*, Z. Gizlice n & T. Carter*

author keywords: barley; cytochrome f; Photosystem I; Photosystem II; soybean; spinach
TL;DR: It is suggested that plastocyanin pool size can vary significantly and may limit photosynthetic electron transport capacity in certain species such as soybean. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

1994 journal article

GENETIC-VARIATION OF PHOTOSYNTHETIC ELECTRON-TRANSPORT IN BARLEY - IDENTIFICATION OF PLASTOCYANIN AS A POTENTIAL LIMITING FACTOR

PLANT SCIENCE, 97(2), 177–187.

By: K. Burkey n

author keywords: BARLEY; CHLOROPLAST; ELECTRON TRANSPORT; GENETIC VARIATION; PHOTOSYNTHESIS; PLASTOCYANIN
TL;DR: Plastocyanin was a significant limiting factor in barley genotypes expressing low photosynthetic electron transport activity and chloroplast membrane composition, and was found to be related to the concentration of plastOCyanin in the thylakoid membrane. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

1993 journal article

EFFECT OF GROWTH IRRADIANCE ON PLASTOCYANIN LEVELS IN BARLEY

PHOTOSYNTHESIS RESEARCH, 36(2), 103–110.

By: K. Burkey*

author keywords: CHLOROPLAST; LIGHT ENVIRONMENT; PHOTOSYNTHESIS; PLASTOCYANIN; P700
TL;DR: Plastocyanin levels were not affected in plants transferred from high to low irradiance, suggesting that plastOCyanin is not involved in the acclimation of photosynthesis to shade. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

1992 article

NOVEL LIGHT-REGULATED CHLOROPLAST THYLAKOID MEMBRANE-PROTEIN

BURKEY, K. O. (1992, March). PLANT PHYSIOLOGY, Vol. 98, pp. 1211–1213.

By: K. Burkey n

TL;DR: A 64 kilodalton chloroplast membrane polypeptide was dependent on growth irradiance with 10-fold greater quantities of the protein present in barley grown under 500 micromoles of photons per square meter per second, similar to other reported light acclimation processes. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

1991 journal article

RESPONSE OF SOYBEAN PHOTOSYNTHESIS AND CHLOROPLAST MEMBRANE-FUNCTION TO CANOPY DEVELOPMENT AND MUTUAL SHADING

PLANT PHYSIOLOGY, 97(1), 245–252.

By: K. Burkey n & R. Wells n

TL;DR: Light environment regulated both the photosynthetic characteristics and the timing of senescence in soybean leaves grown under field conditions, in contrast to those of soybeans grown in a growth chamber where the PSII/PSI ratio as well as cytochrome f and coupling factor protein levels were dependent on growth irradiance. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

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