Orthologous MAtrix

OMA
Content
Description	orthology inference among 1000 complete genomes.
Contact
Laboratory	ETH Zurich
Authors	Christophe Dessimoz; Adrian Schneider; Adrian Altenhoff; Gaston H. Gonnet
Primary citation	Altenhoff et al.
Release date	2004
Access
Website	omabrowser.org
Download URL	http://omabrowser.org/All/download.html
Web service URL	wsdl
Miscellaneous
Data release; frequency	2 releases per year

OMA (Orthologous MAtrix) is a database of orthologs extracted from available complete genomes.^[1]^[2] The orthology predictions of OMA are available in several forms:

OMA Pairs: for a given gene, a list of predicted orthologs in other species is provided.
OMA Groups: a set of genes across different species which are all orthologous.
OMA Hierarchical Groups: the set of all genes that have evolved from a single ancestral gene in a given taxonomic range.
OMA Genome Pair view: the list of all predicted orthologs between two species.

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[1]
Altenhoff, Adrian M; Schneider Adrian; Gonnet Gaston H; Dessimoz Christophe (Jan 2011). "OMA 2011: orthology inference among 1000 complete genomes". Nucleic Acids Res. 39 (Database issue). England: D289-94. doi:10.1093/nar/gkq1238. PMC 3013747. PMID 21113020.
[2]
Altenhoff, Adrian M; Glover, Natasha M; Train, Clément-Marie; Kaleb, Klara; Warwick Vesztrocy, Alex; Dylus, David; de Farias, Tarcisio M; Zile, Karina; Stevenson, Charles; Long, Jiao; Redestig, Henning; Gonnet, Gaston H; Dessimoz, Christophe (2018). "The OMA orthology database in 2018: retrieving evolutionary relationships among all domains of life through richer web and programmatic interfaces". Nucleic Acids Research. 46 (D1): D477 – D485. doi:10.1093/nar/gkx1019. ISSN 0305-1048. PMC 5753216. PMID 29106550.

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[pmid21113020-1] [1]
Altenhoff, Adrian M; Schneider Adrian; Gonnet Gaston H; Dessimoz Christophe (Jan 2011). "OMA 2011: orthology inference among 1000 complete genomes". Nucleic Acids Res. 39 (Database issue). England: D289-94. doi:10.1093/nar/gkq1238. PMC 3013747. PMID 21113020.

[AltenhoffGlover2018-2] [2]
Altenhoff, Adrian M; Glover, Natasha M; Train, Clément-Marie; Kaleb, Klara; Warwick Vesztrocy, Alex; Dylus, David; de Farias, Tarcisio M; Zile, Karina; Stevenson, Charles; Long, Jiao; Redestig, Henning; Gonnet, Gaston H; Dessimoz, Christophe (2018). "The OMA orthology database in 2018: retrieving evolutionary relationships among all domains of life through richer web and programmatic interfaces". Nucleic Acids Research. 46 (D1): D477 – D485. doi:10.1093/nar/gkx1019. ISSN 0305-1048. PMC 5753216. PMID 29106550.

[1]

[2]

Orthologous MAtrix

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