ITP OpenIR  > 理论物理所1978-2010年知识产出
Origin and phylogeny of chloroplasts revealed by a simple correlation analysis of complete genomes
Chu, KH; Qi, J; Yu, ZG; Anh, V; Chu, KH , Chinese Univ Hong Kong, Dept Biol, Shatin, Hong Kong, Peoples R China.
2004
发表期刊MOLECULAR BIOLOGY AND EVOLUTION
ISSN0737-4038
卷号21期号:1页码:200-206
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.
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
关键词Mitochondrial Genome Protein Sequences Plastid Genome Nucleotide-sequence Gene-transfer Red Algae Evolution Information Nucleus Trees
学科领域Physics
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收录类别SCI
WOS记录号WOS:000189149300021
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14147
专题理论物理所1978-2010年知识产出
通讯作者Chu, KH , Chinese Univ Hong Kong, Dept Biol, Shatin, Hong Kong, Peoples R China.
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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.
APA Chu, KH,Qi, J,Yu, ZG,Anh, V,&Chu, KH , Chinese Univ Hong Kong, Dept Biol, Shatin, Hong Kong, Peoples R China..(2004).Origin and phylogeny of chloroplasts revealed by a simple correlation analysis of complete genomes.MOLECULAR BIOLOGY AND EVOLUTION,21(1),200-206.
MLA Chu, KH,et al."Origin and phylogeny of chloroplasts revealed by a simple correlation analysis of complete genomes".MOLECULAR BIOLOGY AND EVOLUTION 21.1(2004):200-206.
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