Marco A, Marín I. Interactome and Gene Ontology provide congruent yet subtly different views of a eukaryotic cell.
BMC SYSTEMS BIOLOGY 2009;
3:69. [PMID:
19604360 PMCID:
PMC2717056 DOI:
10.1186/1752-0509-3-69]
[Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2008] [Accepted: 07/15/2009] [Indexed: 11/10/2022]
Abstract
BACKGROUND
The characterization of the global functional structure of a cell is a major goal in bioinformatics and systems biology. Gene Ontology (GO) and the protein-protein interaction network offer alternative views of that structure.
RESULTS
This study presents a comparison of the global structures of the Gene Ontology and the interactome of Saccharomyces cerevisiae. Sensitive, unsupervised methods of clustering applied to a large fraction of the proteome led to establish a GO-interactome correlation value of +0.47 for a general dataset that contains both high and low-confidence interactions and +0.58 for a smaller, high-confidence dataset.
CONCLUSION
The structures of the yeast cell deduced from GO and interactome are substantially congruent. However, some significant differences were also detected, which may contribute to a better understanding of cell function and also to a refinement of the current ontologies.
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