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题名: Statistical analysis on adaptive evolution of SQUA genes in angiosperms
作者: Chen, YY; Zhong, Y; Tian, B; Yang, J; null(李德铢)
刊名: PROGRESS IN NATURAL SCIENCE
关键词: angiosperms ; Dendrocalamus latiflorus ; SQUA gene ; relative rate test ; likelihood rate test ; adaptive evolution
英文摘要: SQUAMOSA (SQUA) subfamily includes important perianth identity genes of MADS-box gene family. SQUA genes of Dendrocalamus latiflorus were sequenced, and phylogenetic form on SQUA genes in angiosperms was analyzed. Relative rate and adaptive evolution after SQUA gene duplication in recent common ancestor of monocots and eudicots were analyzed using the methods of relative rate test, statistic on synonymous and non-synonymous coden substitution sites and likelihood rate test. The results show that both of relative rate and synonymous and non-synonymous coden substitution in eudicot clade are significantly higher than those in monocot clade, and the value of d(N)/d(S) uncovered possible positive selective pressure in eudicot clade.
出版日期: 2005
卷号: 15, 期号:1, 页码:93-96
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/11267
Appears in Collections:中国西南野生生物种质资源库_期刊论文

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作者单位: 1.Fudan Univ, Sch Life Sci, Minist Educ Key Lab Biodivers & Ecol Engn, Shanghai 200433, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Lab Plant Biodivers & Biogeog, Kunming 650204, Peoples R China
3.Dalian Univ Technol, Coll Bioengn, Dalian 116622, Peoples R China
4.Peking Univ, Coll Life Sci, Beijing 100871, Peoples R China

Recommended Citation:
Chen, YY; Zhong, Y; Tian, B; Yang, J; Li, DZ.Statistical analysis on adaptive evolution of SQUA genes in angiosperms,PROGRESS IN NATURAL SCIENCE,2005,15(1):93-96
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