Mass identification of chloroplast proteins of endosymbiont origin by phylogenetic profiling based on organism-optimized homologous protein groups.

Naoki Sato, Masayuki Ishikawa, Makoto Fujiwara, Kintake Sonoike

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Chloroplasts originate from ancient cyanobacteria-like endosymbiont. Several tens of chloroplast proteins are encoded by the chloroplast genome, while more than hundreds are encoded by the nuclear genome in plants and algae, but the exact number and identity of nuclear-encoded chloroplast proteins are still unknown. We describe here attempts to identify a large number of unidentified chloroplast proteins of endosymbiont origin (CPRENDOs). Our strategy consists of whole genome protein clustering by the homolog group method, which is optimized for organism number, and phylogenetic profiling that extract groups conserved in cyanobacteria and photosynthetic eukaryotes. An initial minimal set of CPRENDOs was predicted without targeting prediction and experimentally validated.

Original languageEnglish
Pages (from-to)56-68
Number of pages13
JournalGenome informatics. International Conference on Genome Informatics.
Volume16
Issue number2
Publication statusPublished - 2005
Externally publishedYes

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Chloroplast Proteins
Cyanobacteria
Proteins
Chloroplast Genome
Plant Genome
Chloroplasts
Eukaryota
Cluster Analysis
Genome

Cite this

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AU - Ishikawa, Masayuki

AU - Fujiwara, Makoto

AU - Sonoike, Kintake

PY - 2005

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