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学科主题: Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology; Genetics & Heredity
题名: The Roles and Evolutionary Patterns of Intronless Genes in Deuterostomes
作者: Zou, Ming ; Guo, Baocheng ; He, Shunping
通讯作者: He, SP (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China ; heshunping@gmail.com
关键词: HUMAN GENOME ; PROCESSED PSEUDOGENES ; DUPLICATED GENES ; ARABIDOPSIS ; PROTEINS ; DROSOPHILA ; RETROTRANSPOSONS ; IDENTIFICATION ; PREDICTION ; DATABASE
刊名: COMPARATIVE AND FUNCTIONAL GENOMICS
发表日期: 2011
期: 0, 页:680673
收录类别: SCI
部门归属: [Zou, Ming; He, Shunping] Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China; [Zou, Ming] Chinese Acad Sci, Grad Univ, Inst Hydrobiol, Beijing 100039, Peoples R China; [Guo, Baocheng] Univ Zurich, Inst Evolutionary Biol & Environm Studies, CH-8057 Zurich, Switzerland; [Guo, Baocheng] Swiss Inst Bioinformat, CH-1015 Lausanne, Switzerland
资助者: Major State Basic Research Development Program of China (973 Program)[2007CB411601]
摘要: Genes without introns are a characteristic feature of prokaryotes, but there are still a number of intronless genes in eukaryotes. To study these eukaryotic genes that have prokaryotic architecture could help to understand the evolutionary patterns of related genes and genomes. Our analyses revealed a number of intronless genes that reside in 6 deuterostomes (sea urchin, sea squirt, zebrafish, chicken, platypus, and human). We also determined the conservation for each intronless gene in archaea, bacteria, fungi, plants, metazoans, and other eukaryotes. Proportions of intronless genes that are inherited from the common ancestor of archaea, bacteria, and eukaryotes in these species were consistent with their phylogenetic positions, with more proportions of ancient intronless genes residing in more primitive species. In these species, intronless genes belong to different cellular roles and gene ontology (GO) categories, and some of these functions are very basic. Part of intronless genes is derived from other intronless genes or multiexon genes in each species. In conclusion, we showed that a varying number and proportion of intronless genes reside in these 6 deuterostomes, and some of them function importantly. These genes are good candidates for subsequent functional and evolutionary analyses specifically.
语种: 英语
WOS记录号: WOS:000295645500001
ISSN号: 1531-6912
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/16395
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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Zou, Ming; Guo, Baocheng; He, Shunping.The Roles and Evolutionary Patterns of Intronless Genes in Deuterostomes,COMPARATIVE AND FUNCTIONAL GENOMICS,2011,():680673
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