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题名: Origin and phylogeny of chloroplasts revealed by a simple correlation analysis of complete genomes
作者: Chu, KH ;  Qi, J ;  Yu, ZG ;  Anh, V
刊名: MOLECULAR BIOLOGY AND EVOLUTION
出版日期: 2004
卷号: 21, 期号:1, 页码:200-206
关键词: MITOCHONDRIAL GENOME ;  PROTEIN SEQUENCES ;  PLASTID GENOME ;  NUCLEOTIDE-SEQUENCE ;  GENE-TRANSFER ;  RED ALGAE ;  EVOLUTION ;  INFORMATION ;  NUCLEUS ;  TREES
学科分类: Physics
通讯作者: Chu, KH , Chinese Univ Hong Kong, Dept Biol, Shatin, Hong Kong, Peoples R China.
部门归属: Chinese Univ Hong Kong, Dept Biol, Shatin, Hong Kong, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing, Peoples R China; Queensland Technol, Program Stat, Brisbane, Qld, Australia; Queensland Technol, Program Operat Res, Brisbane, Qld, Australia; Xiangtan Univ, Dept Math, Hunan, Peoples R China
英文摘要: The complete sequenced genomes of chloroplast have provided much information on the origin and evolution of this organelle. In this paper we attempt to use these sequences to test a novel approach for phylogenetic analysis of complete genomes based on correlation analysis of compositional vectors. All protein sequences from 21 complete chloroplast genomes are analyzed in comparison with selected archaea, eubacteria, and eukaryotes. The distance-based analysis shows that the chloroplast genomes are most closely related to cyanobacteria, consistent with the endosymbiotic origin of chloroplasts. The chloroplast genomes are separated to two major clades corresponding to chlorophytes (green plants) s.1. and rhodophytes (red algae) s.1. The interrelationships among the chloroplasts are largely in agreement with the current understanding on chloroplast evolution. For instance, the analysis places the chloroplasts of two chromophytes (Guillardia and Odontella) within the rhodophyte lineage, supporting secondary endosymbiosis as the source of these chloroplasts. The relationships among the green algae and land plants in our tree also agree with results from traditional phylogenetic analyses. Thus, this study establishes the value of our simple correlation analysis in elucidating the evolutionary relationships among genomes. It is hoped that this approach will provide insights on comparative genome analysis.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000189149300021
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14147
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Chu, KH,Qi, J,Yu, ZG,et al. Origin and phylogeny of chloroplasts revealed by a simple correlation analysis of complete genomes[J]. MOLECULAR BIOLOGY AND EVOLUTION,2004,21(1):200-206.
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