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Automated genome annotation and pathway identification using the KEGG Orthology (KO) as a controlled vocabulary

Mao, X., Cai, T., Olyarchuk, J. G., Wei, L.·2005·Bioinformatics

Abstract

MOTIVATION: High-throughput technologies such as DNA sequencing and microarrays have created the need for automated annotation of large sets of genes, including whole genomes, and automated identification of pathways. Ontologies, such as the popular Gene Ontology (GO), provide a common controlled vocabulary for these types of automated analysis. Yet, while GO offers tremendous value, it also has certain limitations such as the lack of direct association with pathways. RESULTS: We demonstrated the use of the KEGG Orthology (KO), part of the KEGG suite of resources, as an alternative controlled vocabulary for automated annotation and pathway identification. We developed a KO-Based Annotation System (KOBAS) that can automatically annotate a set of sequences with KO terms and identify both the most frequent and the statistically significantly enriched pathways. Results from both whole genome and microarray gene cluster annotations with KOBAS are comparable and complementary to known annotations. KOBAS is a freely available stand-alone Python program that can contribute significantly to genome annotation and microarray analysis.

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Metadata

Authors
Mao, X., Cai, T., Olyarchuk, J. G., & Wei, L.
Venue
Bioinformatics
Published
2005-04-07
Volume
21
Issue
19
Pages
3787-3793
ISSN
  • 0266-7061 (ISSN-L)
  • 1367-4803
  • 1460-2059
OpenAlex
W2105106534
Cited by
3,828
References
6
FWCI
5.88
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Automated genome annotation and pathway identification using the KEGG Orthology (KO) as a controlled vocabulary. https://app.cochat.ai/papers/10.1093/bioinformatics/bti430
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Mao, X., Cai, T., Olyarchuk, J. G., & Wei, L. (2005). Automated genome annotation and pathway identification using the KEGG Orthology (KO) as a controlled vocabulary. Bioinformatics. https://doi.org/10.1093/bioinformatics/bti430

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