Roles for the two-hybrid system in exploration of the yeast protein interactome.

Takashi Ito, Kazuhisa Ota, Hiroyuki Kubota, Yoshihiro Yamaguchi, Tomoko Chiba, Kazumi Sakuraba, Mikio Yoshida

研究成果: Contribution to journalReview article査読

96 被引用数 (Scopus)

抄録

Comprehensive analysis of protein-protein interactions is a challenging endeavor of functional proteomics and has been best explored in the budding yeast. The yeast protein interactome analysis was achieved first by using the yeast two-hybrid system in a proteome-wide scale and next by large-scale mass spectrometric analysis of affinity-purified protein complexes. While these interaction data have led to a number of novel findings and the emergence of a single huge network containing thousands of proteins, they suffer many false signals and fall short of grasping the entire interactome. Thus, continuous efforts are necessary in both bioinformatics and experimentation to fully exploit these data and to proceed another step forward to the goal. Computational tools to integrate existing biological knowledge buried in literature and various functional genomic data with the interactome data are required for biological interpretation of the huge protein interaction network. Novel experimental methods have to be developed to detect weak, transient interactions involving low abundance proteins as well as to obtain clues to the biological role for each interaction. Since the yeast two-hybrid system can be used for the mapping of the interaction domains and the isolation of interaction-defective mutants, it would serve as a technical basis for the latter purpose, thereby playing another important role in the next phase of protein interactome research.

本文言語英語
ページ(範囲)561-566
ページ数6
ジャーナルMolecular & cellular proteomics : MCP
1
8
DOI
出版ステータス出版済み - 8 2002
外部発表はい

All Science Journal Classification (ASJC) codes

  • 分析化学
  • 生化学
  • 分子生物学

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