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Journal of Northeast Agricultural University(English Edition)
2015,22
(1)
Evolution Analysis About Soybean MIR166 Family
作 者：
Zhihao Wang;Jin Hui-hui;Qingshan Chen;Rong Zh
单 位：
College of Agriculture, Northeast Agricultural University, Harbin 150030, China;College of Science, Northeast Agricultural University, Harbin 150030, Chin;College of Life Sciences, Northeast Agricultural University, Harbin 150030, China
关键词：
mir166;gma;gene family;soybean;the results;mirna
摘 要：
MicroRNA (miRNA) is a class of important regulating non-coding small molecular RNA. The gma-MIR166 gene family consists of 21 members and their expression patterns diversify widely. It is important to analyze the evolution of gma-MIR166 gene family in order to understand the evolutionary mechanisms of miRNAs in soybean. In this study, we implemented soybean wide genome block analysis, the molecular phylogeny of gma-MIR166 and block analysis of gma-MIR166 family. The results showed that both chromosome big segmental duplications and tandem duplications were main reasons contributed to the expanding of gma-MIR166 gene family. These findings suggested that gma-MIR166 gene family might originate from one or two ancient miRNA genes. The results of research provided a support for evolutionary study of miRNAs in soybean and related species in Fabaceae.
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