Works (11)

Updated: April 5th, 2024 06:36

2023 journal article

Bearded or smooth? Awns improve yield when wheat experiences heat stress during grain fill in the southeastern United States

JOURNAL OF EXPERIMENTAL BOTANY, 74(21), 6749–6759.

By: N. DeWitt*, J. Lyerly n, M. Guedira n, J. Holland n, J. Murphy n, B. Ward*, R. Boyles*, M. Mergoum ...

Ed(s): S. Dreisigacker

author keywords: Awns; abiotic stress; gxe; phenology; reaction norm; wheat
UN Sustainable Development Goal Categories
13. Climate Action (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 21, 2023

2022 article

A network modeling approach provides insights into the environment-specific yield architecture of wheat

DeWitt, N., Guedira, M., Murphy, J. P., Marshall, D., Mergoum, M., Maltecca, C., & Brown-Guedira, G. (2022, May 10). (T. Juenger, Ed.). GENETICS, Vol. 5.

Contributors: N. Dewitt n, M. Guedira n, J. Murphy n, D. Marshall*, M. Mergoum*, C. Maltecca n, G. Brown-Guedira n

Ed(s): T. Juenger

author keywords: yield components; structural equation modeling; QTL mapping; yield variation
MeSH headings : Genotype; Phenotype; Quantitative Trait Loci; Triticum / genetics
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 3, 2022

2021 journal article

Characterizing the oligogenic architecture of plant growth phenotypes informs genomic selection approaches in a common wheat population

BMC GENOMICS, 22(1).

By: N. DeWitt n, M. Guedira n, E. Lauer n, J. Murphy n, D. Marshall*, M. Mergoum, J. Johnson*, J. Holland n, G. Brown-Guedira n

author keywords: Triticum aestivum; QTL mapping; Genetic architecture; Genomic selection
MeSH headings : Chromosome Mapping; Genomics; Phenotype; Plant Breeding; Quantitative Trait Loci; Triticum / genetics
TL;DR: A biparental population segregating for major variants for both plant height and flowering time is developed to characterize the genetic architecture of the traits and identify additional novel QTL, and the oligogenic architecture of these traits is demonstrated by the superior trait prediction accuracy of QTL-based prediction models compared to polygenic genomic selection models. (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: June 21, 2021

2020 journal article

Sequence-based mapping identifies a candidate transcription repressor underlying awn suppression at the B1 locus in wheat

NEW PHYTOLOGIST, 225(1), 326–339.

By: N. DeWitt n, M. Guedira n, E. Lauer n, M. Sarinelli n, P. Tyagi n, D. Fu*, Q. Hao*, J. Murphy n ...

author keywords: awns; B1 locus; fine mapping; positional cloning; wheat (Triticum aestivum); zinc finger protein
MeSH headings : Amino Acid Sequence; Base Sequence; Chromosome Mapping; Chromosome Segregation / genetics; Gene Deletion; Gene Expression Regulation, Plant; Genes, Plant; Genetic Association Studies; Genetic Loci; Genetic Markers; Genome-Wide Association Study; Haplotypes / genetics; Inbreeding; Organ Size; Plant Proteins / chemistry; Plant Proteins / genetics; Quantitative Trait Loci / genetics; Recombination, Genetic / genetics; Repressor Proteins / metabolism; Suppression, Genetic; Transcription, Genetic; Triticum / anatomy & histology; Triticum / genetics; Up-Regulation / genetics
TL;DR: This study identifies a transcription repressor responsible for awn inhibition at the B1 locus as C2H2 zinc finger transcriptional repressor TraesCS5A02G542800 upregulated in developing spikes of awnless individuals. (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: October 14, 2019

2018 journal article

Diagnostic Markers for Vernalization and Photoperiod Loci Improve Genomic Selection for Grain Yield and Spectral Reflectance in Wheat

CROP SCIENCE, 58(1), 242–252.

By: R. Mason*, C. Addison*, A. Babar*, A. Acuna*, D. Lozada*, N. Subramanian*, M. Arguello*, R. Miller* ...

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2018 journal article

Single nucleotide polymorphisms in a regulatory site of VRN-A1 first intron are associated with differences in vernalization requirement in winter wheat

MOLECULAR GENETICS AND GENOMICS, 293(5), 1231–1243.

By: N. Kippes*, M. Guedira n, L. Lin*, M. Alvarez*, G. Brown-Guedira n & J. Dubcovsky*

author keywords: Wheat; Flowering; Vernalization; VRN1; RIP3; GRP2
MeSH headings : Binding Sites; Cold Temperature; Gene Expression Profiling; Gene Expression Regulation, Plant; Haplotypes; Plant Proteins / chemistry; Plant Proteins / genetics; Plant Proteins / metabolism; Polymorphism, Single Nucleotide; RNA-Binding Proteins / metabolism; Repressor Proteins / chemistry; Repressor Proteins / genetics; Repressor Proteins / metabolism; Triticum / genetics; Triticum / growth & development; Up-Regulation
TL;DR: It is shown that single nucleotide polymorphisms (SNP) at the binding site of the GRP2 protein in the VRN-A1 first intron (henceforth, RIP3) are associated with significant differences in heading time after a partial vernalization treatment. (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: October 16, 2018

2016 journal article

Heading Date QTL in Winter Wheat (Triticum aestivum L.) Coincide with Major Developmental Genes VERNALIZATION1 and PHOTOPERIOD1

PLOS ONE, 11(5).

By: M. Guedira n, M. Xiong n, Y. Hao*, J. Johnson*, S. Harrison*, D. Marshall n, G. Brown-Guedira n

MeSH headings : Alleles; Chromosome Mapping; DNA Copy Number Variations; Exons; Flowers / genetics; Flowers / growth & development; Gene Expression Regulation, Developmental; Gene Expression Regulation, Plant; Introns; Phosphoric Diester Hydrolases / genetics; Phosphoric Diester Hydrolases / metabolism; Plant Breeding; Pyrophosphatases / genetics; Pyrophosphatases / metabolism; Quantitative Trait Loci; Quantitative Trait, Heritable; Repressor Proteins / genetics; Repressor Proteins / metabolism; Seasons; Time Factors; Triticum / genetics; Triticum / growth & development
TL;DR: The results demonstrate that VRN1 and PPD1 alleles of varying strength allow fine tuning of flowering time in diverse winter wheat growing environments. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science; OpenAlex)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

QTL and major genes influencing grain yield potential in soft red winter wheat adapted to the southern United States

EUPHYTICA, 209(3), 665–677.

By: C. Addison, R. Mason, G. Brown-Guedira n, M. Guedira n, Y. Hao*, R. Miller, N. Subramanian, D. Lozada ...

author keywords: Genotype by environmental interaction; QTL mapping; Quantitative trait locus; Yield
TL;DR: Overall the stable QTL were more predictive of GY compared to individual site-year QTL, indicating that a targeted QTL approach can be utilized by breeding programs to enrich for favorable loci. (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; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 journal article

Molecular characterization of a new powdery mildew resistance gene Pm54 in soft red winter wheat

THEORETICAL AND APPLIED GENETICS, 128(3), 465–476.

By: Y. Hao*, R. Parks n, C. Cowger n, Z. Chen*, Y. Wang*, D. Bland*, J. Murphy n, M. Guedira n ...

MeSH headings : Ascomycota; Breeding; Chromosome Mapping; Crosses, Genetic; DNA, Plant / genetics; Disease Resistance / genetics; Genes, Plant; Genetic Markers; Genotype; Phenotype; Plant Diseases / genetics; Plant Diseases / microbiology; Quantitative Trait Loci; Triticum / genetics; Triticum / microbiology
TL;DR: A new powdery mildew resistance genePm54 was identified on chromosome 6BL in soft red winter wheat in a RIL population developed from a cross of 26R61 and AGS 2000, indicating that the marker should be useful for pyramiding Pm54 with other Pm genes by marker-assisted selection. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
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

2014 journal article

Vernalization Duration Requirement in Soft Winter Wheat is Associated with Variation at the VRN-B1 Locus

CROP SCIENCE, 54(5), 1960–1971.

By: M. Guedira n, P. Maloney n, M. Xiong n, S. Petersen n, J. Murphy n, D. Marshall n, J. Johnson*, S. Harrison*, G. Brown-Guedira n

TL;DR: Quantitative trait locus analysis was performed in a recombinant inbred line (RIL) population from the cross between cultivars NC-Neuse and AGS 2000 that are adapted to the Mid-Atlantic and Southeastern regions, suggesting that these loci are major determinants of HD in winter wheat and are important for adaptation to diverse growing environments. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Distribution of Rht Genes in Modern and Historic Winter Wheat Cultivars from the Eastern and Central USA

CROP SCIENCE, 50(5), 1811–1822.

TL;DR: The presence of the 192-base pair allele of the microsatellite marker Xgwm261 indicated that Rht8c was less frequently used as a source of dwarfing in U.S. winter wheat germplasm, being present in 8 and 3% of the soft winter wheat and the hard winter wheats, respectively. (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

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