Species differences in V1a receptor gene expression in monogamous and nonmonogamous voles: behavioral consequences.

摘要: Abstract Arginine vasopressin modulates a number of species-typical social behaviors, including memory in rats, scent marking and aggressive behavior hamsters, partner preference formation paternal monogamous rodents. The distribution V1a receptor binding sites the brain varies greatly among species. Using situ hybridization 2 species voles with strikingly different patterns authors demonstrate that differences are due to regional gene expression. It is then demonstrated expression associated behavioral response centrally administered vasopressin. Together, these data suggest phylogenetic plasticity central neurohypophyseal peptide may contribute evolution behaviors.