New insights into the evolution of wheat avenin-like proteins in wild emmer wheat ().

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ID: 41445
2018
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Ranked #221 of 292 articles by views in Proceedings of the National Academy of Sciences of the United States of America

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Abstract
Fifteen full-length wheat grain avenin-like protein coding genes () were identified on chromosome arms 7AS, 4AL, and 7DS of bread wheat with each containing five genes. Besides the a- and b-type ALPs, a c type was identified in the current paper. Both a and b types have two subunits, named x and y types. The five genes on each of the three chromosome arms consisted of two x-type genes, two y-type genes, and one c-type gene. The a-type genes were typically of 520 bp in length, whereas the b types were of 850 bp in length, and the c type was of 470 bp in length. The gene transcript levels were significantly up-regulated in f. sp. -infected wheat grain caryopsis at early grain filling. Wild emmer wheat [(WEW), ] populations were focused on in our paper to identify allelic variations of genes and to study the influence of natural selection on certain alleles. Consequently, 25 alleles were identified for , 13 alleles were identified for , 7 alleles were identified for , and 4 alleles were identified for Correlation studies on gene diversity and ecological stresses suggested that environmental factors contribute to the polymorphism formation in WEW. Many allelic variants of in the endosperm of WEW are not present in bread wheat and therefore could be utilized in breeding bread wheat varieties for better quality and elite plant defense characteristics.
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zhang2018newproceedings Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Zhang, Yujuan;Hu, Xin;Islam, Shahidul;She, Maoyun;Peng, Yanchun;Yu, Zitong;Wylie, Steve;Juhasz, Angela;Dowla, Mirza;Yang, Rongchang;Zhang, Jingjuan;Wang, Xiaolong;Dell, Bernard;Chen, Xueyan;Nevo, Eviatar;Sun, Dongfa;Ma, Wujun;
Journal Proceedings of the National Academy of Sciences of the United States of America
Year 2018
DOI
10.1073/pnas.1812855115
URL
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