Article
The Emergence and Loss of Gonadotropin-Releasing Hormone in Protostomes: Orthology, Phylogeny, Structure, and Function1
10 Jul 2008
Abstract excerpt
Gonadotropin-releasing hormone (GNRH) is a neuropeptide critical for reproductive activation and maintenance in vertebrates. The recent elucidation of molluscan GNRH-like sequences led to several important questions regarding the evolution of the GNRH family. For instance, are molluscan and chordate GNRHs true orthologs? Has GNRH been retained in most protostomian lineages? What was the function of the ancestral...
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