A new way to find an expanded set of similar genes


We recently showed you a new a way to search for and view sets of orthologous genes  from vertebrates. You can now get an additional set of search results that we are calling similar genes.  These are related through protein architecture to the orthologous gene set and include genes from all metazoans and selected plant, fungal, and protist species. You can quickly find related genes within a species, compare them to those from other annotated metazoan genomes, and have access to other useful gene resources. To find a set of similar genes, enter a gene symbol or select the gene symbol + orthologs option from the selections menu.

For example if you search for ‘AGO2 orthologs‘,  in addition to the  link to orthologs from vertebrates, you’ll get a link to a set of similar genes (Genes with similar protein architectures) across a broad evolutionary spectrum that includes genes from invertebrates, fungi, and green plants (Figure 1).

AGO2_Fig1Figure 1.  Genes with similar protein architectures to AGO2. The original search was AGO2 orthologs, which brings up the suggestion box with the links to similar genes as well as the AGO2 vertebrate orthologs. The similar genes include entries from a broad taxonomic range of eukaryotic organisms.

If you search for ‘GH1‘, you’ll get a link to similar genes that includes members of the growth hormone family that are not part of NCBI’s vertebrate ortholog set.

GH1_Fig2.pngFigure 2. The human subset of genes with similar protein architectures to GH1 showing other members (paralogs) of the GH1 gene family (GH2, CSH1, CSH2, CSHL1). These are not included in the ortholog set.

Try out the  following searches and follow the links to the Genes with similar protein architectures

Please  let us know what you think!

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