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题名: Identification and analysis of retrogenes in the East Asian nematode Caenorhabditis sp 5 genome
作者: Zhou, Kun1; Zou, Ming2; Duan, Mingyue1; He, Shunping3; Wang, Guoxiu1
关键词: Caenorhabditis sp 5 ; retrogenes ; chimeric genes ; genome
刊名: GENOME
发表日期: 2015-07-01
DOI: 10.1139/gen-2014-0147
卷: 58, 期:7, 页:349-355
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biotechnology & Applied Microbiology ; Genetics & Heredity
研究领域[WOS]: Biotechnology & Applied Microbiology ; Genetics & Heredity
英文摘要: Retroposition, a molecular mechanism generating new genes, helps the formation of retrogenes and new functions, contributing to the evolution of genomes. The completed genome sequence of Caenorhabditis sp. 5 presents an excellent opportunity to identify retrogenes within C. sp. 5. We identified a total of 43 retrogenes and their corresponding chimeric genes. Among these, 29 were found to be intact retrogenes and 14 to be retropseudogenes. Unexpectedly, a high number of retrogenes appear to be functional and possibly involved in catalysis. Also, the proportion of the retrogenes forming chimeric structure is the highest among Caenorhabditis nematodes. In addition, the Ks distribution shows that C. sp. 5 has more retrogenes with high Ks, which may explain the high functionality of them among Caenorhabditis species. Our study will be helpful in the understanding of the functional and evolutionary impact of retroposition on C. sp. 5 genome.
关键词[WOS]: PROCESSED PSEUDOGENES ; EVOLUTION ; DROSOPHILA ; GENES ; ORIGIN ; DIVERSITY ; YOUNG ; RETROPOSITION ; GENERATION ; BLAST
语种: 英语
WOS记录号: WOS:000361526800002
ISSN号: 0831-2796
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/27211
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Cent China Normal Univ, Hubei Key Lab Genet Regulat & Integrat Biol, Wuhan 430079, Peoples R China
2.Huazhong Agr Univ, Wuhan 430070, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
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