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Bioinformatics. 2003 Feb 12;19(3):396-401.

A literature-based method for assessing the functional coherence of a gene group.

Author information

  • 1Department of Genetics, Stanford Medical Informatics, 251 Campus Drive, MSOB X-215, Stanford University, Stanford, CA 94305-5479, USA.

Abstract

MOTIVATION:

Many experimental and algorithmic approaches in biology generate groups of genes that need to be examined for related functional properties. For example, gene expression profiles are frequently organized into clusters of genes that may share functional properties. We evaluate a method, neighbor divergence per gene (NDPG), that uses scientific literature to assess whether a group of genes are functionally related. The method requires only a corpus of documents and an index connecting the documents to genes.

RESULTS:

We evaluate NDPG on 2796 functional groups generated by the Gene Ontology consortium in four organisms: mouse, fly, worm and yeast. NDPG finds functional coherence in 96, 92, 82 and 45% of the groups (at 99.9% specificity) in yeast, mouse, fly and worm respectively.

PMID:
12584126
[PubMed - indexed for MEDLINE]
PMCID:
PMC2669934
Free PMC Article

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