Exploring the evolutionary differences of SBP-box genes targeted by miR156 and miR529 in plants
Ling, Li-Zhen1,2,3; Zhang, Shu-Dong1,2
2012-09-01
发表期刊GENETICA
卷号140期号:7-9页码:317-324
摘要The combinatorial control of one target by multiple miRNAs brings big challenges to elucidate its precise evolutionary mechanism. Squamosa promoter binding protein-like (SBP) gene family exhibits the different regulatory patterns, in which some members are only regulated by miR156 and others by miR156 and miR529. Here, we explored the different evolutionary patterns and rates between miR156 targets and miR529 ones in three species (moss, rice, and maize). Our work found that the miR529 targets were members of miR156 target dataset, indicative of cooperative control. Further phylogenetic analyses as well as gene structure features demonstrated that miR529 targets derived from a monophyletic branch of miR156 targets which evolved into two independent branches duo to the ancient gene duplication. Moreover, inspection of evolutionary rate parameters (d(N)/d(S), d(N) and d(S)) for miR156 targets and miR529 ones revealed they were under different selection strength. MiR529 targets were more constraint by strong purifying selection and evolved conservatively with a slow rate. By contrast, miR156 targets evolved more rapidly and experienced more relaxed purifying selection, which may contribute to their functional diversification. Our results will enhance the understanding of different evolutionary fates of SBP-box genes regulated by the different numbers of miRNA families before functional studies.
关键词Mirna Sbp-box Genes Evolutionary Rate Combinatorial Control
DOI10.1007/s10709-012-9684-3
收录类别SCI
语种英语
WOS研究方向Genetics & Heredity
WOS类目Genetics & Heredity
WOS记录号WOS:000311392600005
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被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/20453
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650201, Peoples R China
2.Germplasm Bank Wild Species, Plant Germplasm & Genom Ctr, Kunming 650201, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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Ling, Li-Zhen,Zhang, Shu-Dong. Exploring the evolutionary differences of SBP-box genes targeted by miR156 and miR529 in plants[J]. GENETICA,2012,140(7-9):317-324.
APA Ling, Li-Zhen,&Zhang, Shu-Dong.(2012).Exploring the evolutionary differences of SBP-box genes targeted by miR156 and miR529 in plants.GENETICA,140(7-9),317-324.
MLA Ling, Li-Zhen,et al."Exploring the evolutionary differences of SBP-box genes targeted by miR156 and miR529 in plants".GENETICA 140.7-9(2012):317-324.
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