title: KEGG for integration and interpretation of large-scale molecular data sets.
abstract: Kyoto Encyclopedia of Genes and Genomes (KEGG, http://www.genome.jp/kegg/ or http://www.kegg.jp/) is a database resource that integrates genomic, chemical and systemic functional information. In particular, gene catalogs from completely sequenced genomes are linked to higher-level systemic functions of the cell, the organism and the ecosystem. Major efforts have been undertaken to manually create a knowledge base for such systemic functions by capturing and organizing experimental knowledge in computable forms; namely, in the forms of KEGG pathway maps, BRITE functional hierarchies and KEGG modules. Continuous efforts have also been made to develop and improve the cross-species annotation procedure for linking genomes to the molecular networks through the KEGG Orthology system. Here we report KEGG Mapper, a collection of tools for KEGG PATHWAY, BRITE and MODULE mapping, enabling integration and interpretation of large-scale data sets. We also report a variant of the KEGG mapping procedure to extend the knowledge base, where different types of data and knowledge, such as disease genes and drug targets, are integrated as part of the KEGG molecular networks. Finally, we describe recent enhancements to the KEGG content, especially the incorporation of disease and drug information used in practice and in society, to support translational bioinformatics.
authors.affiliation: Bioinformatics Center, Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan. kanehisa@kuicr.kyoto-u.ac.jp
authors.forename: Minoru
authors.initials: M
authors.lastname: Kanehisa
authors.forename: Susumu
authors.initials: S
authors.lastname: Goto
authors.forename: Yoko
authors.initials: Y
authors.lastname: Sato
authors.forename: Miho
authors.initials: M
authors.lastname: Furumichi
authors.forename: Mao
authors.initials: M
authors.lastname: Tanabe
mesh_terms: D019295:Computational Biology; D016208:Databases, Factual; D004194:Disease; D023281:Genomics; D006801:Humans; D051188:Knowledge Bases; D058977:Molecular Sequence Annotation; D000069437:Pharmacological Phenomena; D012984:Software; D018511:Systems Integration
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