Although oxytocin (OXT) exhibits a highly conserved neuroanatomical pattern among vertebrates, the distribution of OXT receptor (OXTR) in brain varies considerably across species and is associated with species-typical social behavior. To investigate the genomic basis of the phylogenetic plasticity in brain Oxtr expression and its social behavioral consequences, we generated transgenic mice carrying a bacteria artificial chromosome (BAC) harboring the…
ORIGINAL PAPER
Cross-Species BAC Transgenesis Reveals Long-Range Regulation Drives Variation in Brain Oxytocin Receptor Expression and Social Behaviors
WHAT WE KNOW
To investigate the genomic basis of the phylogenetic plasticity in brain Oxtr expression and its social behavioral consequences, we generated transgenic mice carrying a bacteria artificial chromosome (BAC) harboring the entire prairie vole Oxtr locus and flanking intergenic regulatory regions. We established eight independent "volized" mouse lines expressing prairie vole Oxtr (pvOxtr).
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