Data from: Genomic signatures of GPCR expansions reveal functional transitions in the evolution of cephalopod signal transduction

Elena A. Ritschard, Robert R. Fitak, Oleg Simakov & Sönke Johnsen
Coleoid cephalopods show unique morphological and neural novelties, such as arms with tactile and chemosensory suckers and a large complex nervous system. The evolution of such cephalopod novelties has been attributed at a genomic level to independent gene family expansions, yet the exact association and the evolutionary timing remain unclear. In the octopus genome, one such expansion occurred in the G-protein coupled receptors (GPCRs) repertoire, a superfamily of proteins that mediate signal transduction. Here we...
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