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Chu, KH; Qi, J; Yu, ZG; Anh, V; Chu, KH , Chinese Univ Hong Kong, Dept Biol, Shatin, Hong Kong, Peoples R China.
Origin and phylogeny of chloroplasts revealed by a simple correlation analysis of complete genomes
发表期刊MOLECULAR BIOLOGY AND EVOLUTION
关键词Mitochondrial Genome Protein Sequences Plastid Genome Nucleotide-sequence Gene-transfer Red Algae Evolution Information Nucleus Trees
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.
2004
ISSN0737-4038
卷号21期号:1页码:200-206
学科领域Physics
收录类别SCI
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被引频次:57[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14147
专题理论物理所科研产出_SCI论文
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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