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Information about the ontologies available for describing biological data, with emphasis on those used at TAIR for describing genes.
Gene Ontology
TAIR is a member of the Gene Ontology Consortium and actively contributes to the development of the three ontologies aimed at describing genes: biological process, molecular function, and cellular component.
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To learn how to find genes using GO terms and how to functionally classify gene sets, read the TAIR GO Tutorial.(TO DO)
Plant Ontology
TAIR contributed heavily to the initial development of ontologies for plant structures and plant growth and developmental stages. TAIR annotates Arabidopsis genes and microarray experiment data using PO terms.
Download the Plant Ontology terms and definitions from the Planteome website.
Other Ontology Resources
National Center for Biomedical Ontologies BioPortal
TAIR Gene Search
Find Arabidopsis genes using Gene Ontology and Plant Ontology terms. One can also upload a list of genes and download their associated GO or PO annotations.
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TAIR Keywords
A TAIR tool useful for searching all types of gene annotations done at TAIR, including gene ontology and plant ontology annotations.
TAIR GO Annotation Download
A TAIR tool useful for downloading Arabidopsis GO annotations for a list of genes.
Search/Browse Gene Ontology Database
The Gene Ontology website, providing tools for searching and browsing gene functional annotation for several organisms. <dtSearch
Search/Browse Plant Ontology
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at Planteome
The Plant Ontology website, providing tools for searching and browsing plant structure and developmental stages terms.
Submit Functional Annotation to TAIR
Information on how to submit functional information about your genes to TAIR.
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Downloads
Links to ftp directories in TAIR containing downloadable files with gene functional annotation data done at TAIR.