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The genetic alteration changed the mating behaviour of the prairie vole, turning a once promiscuous prairie vole, monogamous. The change in mating behaviour, while genetic in nature, was caused by an increase in the receptiveness of the prairie voles brain to the neuropeptides oxytocin and vasopressin.
Unlike other voles, prairie voles are generally monogamous. The prairie vole is a notable animal model for studying monogamous behavior and social bonding because male and female partners form lifelong pair bonds , huddle and groom each other, share nesting and pup-raising responsibilities, and generally show a high level of affiliate behavior.
These species-specific differences have shown to correlate with social behaviors, and in monogamous prairie voles are important for facilitation of pair bonding. When compared to montane voles, which are polygamous, monogamous prairie voles appear to have more of these AVP and oxytocin neurotransmitter receptors.
Meadow voles are usually the most abundant small mammals in northern prairie wetlands, often exceeding 40% of all individual small mammals present. [25] Numbers of short-eared owls, northern harriers, rough-legged hawks ( Buteo lagopus ), coyotes ( Canis latrans ), and red foxes were directly related to large numbers of meadow voles in a field ...
Slightly larger than moles, voles are 5 to 8 inches long and resemble field mice with short tails, compact heavy bodies, small eyes, and partially hidden ears, says Smith.
This is a list of mammals of Iowa. The list includes species native to the U.S. state of Iowa and introduced into the state. It also includes mammals currently extirpated in the state.
Human AVPR1A is situated on chromosome 12q14-15, and the promoter region does not have repeat sequences homologous to those found in prairie voles. Three polymorphic repetitive sequences have been found in humans in the 5’ flanking region: RS3, RS1, and a (GT)25 dinucleotide repeat.
She used the monogamous Prairie Vole as a model organism to study the neural correlates of social behavior and the roles of oxytocin and vasopressin in driving social behaviors in these organisms. [ 1 ] specifically studied how genetic diversity in the regulatory genetic elements located upstream of the vassopressin receptor gene (VIaR) affect ...