Evolutionary Transients in the Rice Transcriptome

查看全文 作　　者：Jun [1,2,3]Wang;Jianguo [4]Zhang;Ruiqiang [2,3]Li;Hongkun [2,3]Zheng;Jun [2]Li;Yong [2]Zhang;Heng [2]Li;Peixiang [2]Ni;Songgang [2]Li;Shengting [2]Li;Jingqiang [1]Wang;Dongyuan [1]Liu;Jason [5,6]McDermott;Ram [5]Samudrala;Siqi [1,2]Liu;Jian [1,2]Wang;Huanming [1,2]Yang;Jun [1]Yu;Gane Ka-Shu [1,2,7]Wong

机构地区：[1]Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100029, China;[2]Beijing Genomics Institute at Shenzhen, Shenzhen 518083, China;[3]Department of Biochemistry and Molecular Biology, University of Southern Denmark, DK-5230, Odense M, Denmark;[4]Theoretical Life Research Center, Fudan University, Shanghai 200433, China;[5]Computational Genomics Group, Department of Microbiology, University of Washington, Seattle, WA 98195, USA;[6]Computational Biology and Bioinformatics, Pacific Northwest National Laboratory, Richland, WA 99352, USA;[7]Department of Biological Sciences and Department of Medicine, University of Alberta, Edmonton AB, T6G 2E9, Canada

出　　处：《Genomics, Proteomics & Bioinformatics》索引2010年第8卷第4期,共18页

基　　金：supported by Chinese Academy of Sciences (Grants No. GJHZ0701-6 and KSCX2-YWN-023);National Natural Science Foundation of China (Grants No. 30725008, 90403130, 90608010, 30221004, 90612019, and 30392130);the '973' Program (Grants No. 2006CB910400, 2007CB815701, 2007CB815703, and 2007CB815705);the '863' Program (Grants No. 2006AA02Z334, 2006AA10A121, and 2006AA02Z177);Beijing Municipal Science and Technology Commission (Grant No. D07030200740000);Danish Platform for Integrative Biology, Danish Natural Science Research Council, Danish Research Council, the Solexa Project (Grant No. 272-07-0196);National Science Foundation of USA (Grant No. DBI 0217241) 摘　　要：In the canonical version of evolution by gene duplication, one copy is kept unaltered while the other is free to evolve. This process of evolutionary experimentation can persist for millions of years. Since it is so short lived in comparison to the lifetime of the core genes that make up the majority of most genomes, a substantial fraction of the genome and the transcriptome may-in principle-be attributable to what we will refer to as 'evolutionary transients', referring here to both the process and the genes that have gone or are undergoing this process. Using the rice gene set as a test case, we argue that this phenomenon goes a long way towards explaining why there are so many more rice genes than Arabidopsis genes, and why most excess rice genes show low similarity to eudicots. 关键词：水稻基因转录组进化瞬变基因复制双子叶植物核心基因测试案例

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Evolutionary Transients in the Rice Transcriptome

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