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Haplotype Variation of Glu-D1 Locus and the Origin of Glu-D1d Allele Conferring Superior End-Use Qualities in Common Wheat

In higher plants, seed storage proteins (SSPs) are frequently expressed from complex gene families, and allelic variation of SSP genes often affects the quality traits of crops. In common wheat, the Glu-D1 locus, encoding 1Dx and 1Dy SSPs, has multiple alleles. The Glu-D1d allele frequently confers...

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Autores principales: Dong, Zhenying, Yang, Yushuang, Li, Yiwen, Zhang, Kunpu, Lou, Haijuan, An, Xueli, Dong, Lingli, Gu, Yong Qiang, Anderson, Olin D., Liu, Xin, Qin, Huanju, Wang, Daowen
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3786984/
https://www.ncbi.nlm.nih.gov/pubmed/24098671
http://dx.doi.org/10.1371/journal.pone.0074859
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author Dong, Zhenying
Yang, Yushuang
Li, Yiwen
Zhang, Kunpu
Lou, Haijuan
An, Xueli
Dong, Lingli
Gu, Yong Qiang
Anderson, Olin D.
Liu, Xin
Qin, Huanju
Wang, Daowen
author_facet Dong, Zhenying
Yang, Yushuang
Li, Yiwen
Zhang, Kunpu
Lou, Haijuan
An, Xueli
Dong, Lingli
Gu, Yong Qiang
Anderson, Olin D.
Liu, Xin
Qin, Huanju
Wang, Daowen
author_sort Dong, Zhenying
collection PubMed
description In higher plants, seed storage proteins (SSPs) are frequently expressed from complex gene families, and allelic variation of SSP genes often affects the quality traits of crops. In common wheat, the Glu-D1 locus, encoding 1Dx and 1Dy SSPs, has multiple alleles. The Glu-D1d allele frequently confers superior end-use qualities to commercial wheat varieties. Here, we studied the haplotype structure of Glu-D1 genomic region and the origin of Glu-D1d. Using seven diagnostic DNA markers, 12 Glu-D1 haplotypes were detected among common wheat, European spelt wheat (T. spelta, a primitive hexaploid relative of common wheat), and Aegilops tauschii (the D genome donor of hexaploid wheat). By comparatively analyzing Glu-D1 haplotypes and their associated 1Dx and 1Dy genes, we deduce that the haplotype carrying Glu-D1d was likely differentiated in the ancestral hexaploid wheat around 10,000 years ago, and was subsequently transmitted to domesticated common wheat and T. spelta. A group of relatively ancient Glu-D1 haplotypes was discovered in Ae. tauschii, which may serve for the evolution of other haplotypes. Moreover, a number of new Glu-D1d variants were found in T. spelta. The main steps in Glu-D1d differentiation are proposed. The implications of our work for enhancing the utility of Glu-D1d in wheat quality improvement and studying the SSP alleles in other crop species are discussed.
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spelling pubmed-37869842013-10-04 Haplotype Variation of Glu-D1 Locus and the Origin of Glu-D1d Allele Conferring Superior End-Use Qualities in Common Wheat Dong, Zhenying Yang, Yushuang Li, Yiwen Zhang, Kunpu Lou, Haijuan An, Xueli Dong, Lingli Gu, Yong Qiang Anderson, Olin D. Liu, Xin Qin, Huanju Wang, Daowen PLoS One Research Article In higher plants, seed storage proteins (SSPs) are frequently expressed from complex gene families, and allelic variation of SSP genes often affects the quality traits of crops. In common wheat, the Glu-D1 locus, encoding 1Dx and 1Dy SSPs, has multiple alleles. The Glu-D1d allele frequently confers superior end-use qualities to commercial wheat varieties. Here, we studied the haplotype structure of Glu-D1 genomic region and the origin of Glu-D1d. Using seven diagnostic DNA markers, 12 Glu-D1 haplotypes were detected among common wheat, European spelt wheat (T. spelta, a primitive hexaploid relative of common wheat), and Aegilops tauschii (the D genome donor of hexaploid wheat). By comparatively analyzing Glu-D1 haplotypes and their associated 1Dx and 1Dy genes, we deduce that the haplotype carrying Glu-D1d was likely differentiated in the ancestral hexaploid wheat around 10,000 years ago, and was subsequently transmitted to domesticated common wheat and T. spelta. A group of relatively ancient Glu-D1 haplotypes was discovered in Ae. tauschii, which may serve for the evolution of other haplotypes. Moreover, a number of new Glu-D1d variants were found in T. spelta. The main steps in Glu-D1d differentiation are proposed. The implications of our work for enhancing the utility of Glu-D1d in wheat quality improvement and studying the SSP alleles in other crop species are discussed. Public Library of Science 2013-09-30 /pmc/articles/PMC3786984/ /pubmed/24098671 http://dx.doi.org/10.1371/journal.pone.0074859 Text en © 2013 Dong et al http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
spellingShingle Research Article
Dong, Zhenying
Yang, Yushuang
Li, Yiwen
Zhang, Kunpu
Lou, Haijuan
An, Xueli
Dong, Lingli
Gu, Yong Qiang
Anderson, Olin D.
Liu, Xin
Qin, Huanju
Wang, Daowen
Haplotype Variation of Glu-D1 Locus and the Origin of Glu-D1d Allele Conferring Superior End-Use Qualities in Common Wheat
title Haplotype Variation of Glu-D1 Locus and the Origin of Glu-D1d Allele Conferring Superior End-Use Qualities in Common Wheat
title_full Haplotype Variation of Glu-D1 Locus and the Origin of Glu-D1d Allele Conferring Superior End-Use Qualities in Common Wheat
title_fullStr Haplotype Variation of Glu-D1 Locus and the Origin of Glu-D1d Allele Conferring Superior End-Use Qualities in Common Wheat
title_full_unstemmed Haplotype Variation of Glu-D1 Locus and the Origin of Glu-D1d Allele Conferring Superior End-Use Qualities in Common Wheat
title_short Haplotype Variation of Glu-D1 Locus and the Origin of Glu-D1d Allele Conferring Superior End-Use Qualities in Common Wheat
title_sort haplotype variation of glu-d1 locus and the origin of glu-d1d allele conferring superior end-use qualities in common wheat
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3786984/
https://www.ncbi.nlm.nih.gov/pubmed/24098671
http://dx.doi.org/10.1371/journal.pone.0074859
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