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Genetic Diversity and Molecular Evolution of Chinese Waxy Maize Germplasm

Waxy maize (Zea mays L. var. certaina Kulesh), with many excellent characters in terms of starch composition and economic value, has grown in China for a long history and its production has increased dramatically in recent decades. However, the evolution and origin of waxy maize still remains unclea...

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Autores principales: Zheng, Hongjian, Wang, Hui, Yang, Hua, Wu, Jinhong, Shi, Biao, Cai, Run, Xu, Yunbi, Wu, Aizhong, Luo, Lijun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3688585/
https://www.ncbi.nlm.nih.gov/pubmed/23818949
http://dx.doi.org/10.1371/journal.pone.0066606
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author Zheng, Hongjian
Wang, Hui
Yang, Hua
Wu, Jinhong
Shi, Biao
Cai, Run
Xu, Yunbi
Wu, Aizhong
Luo, Lijun
author_facet Zheng, Hongjian
Wang, Hui
Yang, Hua
Wu, Jinhong
Shi, Biao
Cai, Run
Xu, Yunbi
Wu, Aizhong
Luo, Lijun
author_sort Zheng, Hongjian
collection PubMed
description Waxy maize (Zea mays L. var. certaina Kulesh), with many excellent characters in terms of starch composition and economic value, has grown in China for a long history and its production has increased dramatically in recent decades. However, the evolution and origin of waxy maize still remains unclear. We studied the genetic diversity of Chinese waxy maize including typical landraces and inbred lines by SSR analysis and the results showed a wide genetic diversity in the Chinese waxy maize germplasm. We analyzed the origin and evolution of waxy maize by sequencing 108 samples, and downloading 52 sequences from GenBank for the waxy locus in a number of accessions from genus Zea. A sharp reduction of nucleotide diversity and significant neutrality tests (Tajima’s D and Fu and Li’s F*) were observed at the waxy locus in Chinese waxy maize but not in nonglutinous maize. Phylogenetic analysis indicated that Chinese waxy maize originated from the cultivated flint maize and most of the modern waxy maize inbred lines showed a distinct independent origin and evolution process compared with the germplasm from Southwest China. The results indicated that an agronomic trait can be quickly improved to meet production demand by selection.
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spelling pubmed-36885852013-07-01 Genetic Diversity and Molecular Evolution of Chinese Waxy Maize Germplasm Zheng, Hongjian Wang, Hui Yang, Hua Wu, Jinhong Shi, Biao Cai, Run Xu, Yunbi Wu, Aizhong Luo, Lijun PLoS One Research Article Waxy maize (Zea mays L. var. certaina Kulesh), with many excellent characters in terms of starch composition and economic value, has grown in China for a long history and its production has increased dramatically in recent decades. However, the evolution and origin of waxy maize still remains unclear. We studied the genetic diversity of Chinese waxy maize including typical landraces and inbred lines by SSR analysis and the results showed a wide genetic diversity in the Chinese waxy maize germplasm. We analyzed the origin and evolution of waxy maize by sequencing 108 samples, and downloading 52 sequences from GenBank for the waxy locus in a number of accessions from genus Zea. A sharp reduction of nucleotide diversity and significant neutrality tests (Tajima’s D and Fu and Li’s F*) were observed at the waxy locus in Chinese waxy maize but not in nonglutinous maize. Phylogenetic analysis indicated that Chinese waxy maize originated from the cultivated flint maize and most of the modern waxy maize inbred lines showed a distinct independent origin and evolution process compared with the germplasm from Southwest China. The results indicated that an agronomic trait can be quickly improved to meet production demand by selection. Public Library of Science 2013-06-20 /pmc/articles/PMC3688585/ /pubmed/23818949 http://dx.doi.org/10.1371/journal.pone.0066606 Text en © 2013 Zheng 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
Zheng, Hongjian
Wang, Hui
Yang, Hua
Wu, Jinhong
Shi, Biao
Cai, Run
Xu, Yunbi
Wu, Aizhong
Luo, Lijun
Genetic Diversity and Molecular Evolution of Chinese Waxy Maize Germplasm
title Genetic Diversity and Molecular Evolution of Chinese Waxy Maize Germplasm
title_full Genetic Diversity and Molecular Evolution of Chinese Waxy Maize Germplasm
title_fullStr Genetic Diversity and Molecular Evolution of Chinese Waxy Maize Germplasm
title_full_unstemmed Genetic Diversity and Molecular Evolution of Chinese Waxy Maize Germplasm
title_short Genetic Diversity and Molecular Evolution of Chinese Waxy Maize Germplasm
title_sort genetic diversity and molecular evolution of chinese waxy maize germplasm
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3688585/
https://www.ncbi.nlm.nih.gov/pubmed/23818949
http://dx.doi.org/10.1371/journal.pone.0066606
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