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Examining the Disconnect Between Prolactin and Parental Care in Avian Brood Parasites by Lynch, Kathleen S.; Louder, Matthew I. M.; Friesen, Caitlin N.; Fischer, Eva K.; Xiang, Angell; Steele, Angela; Shalov, Julia is a Neuroscience article available to read on EtoBox.
What is Examining the Disconnect Between Prolactin and Parental Care in Avian Brood Parasites about?
## Abstract Prolactin is often referred to as the “parental hormone” but there are examples in which prolactin and parental behavior are disconnected. One intriguing example is in avian obligate brood parasites; species exhibiting high circulating prolactin but no parental care. To understand this disconnect, we examined transcriptional and behavioral responses to prolactin in brown‐headed (Molothrus ater) and bronzed (M aeneus) brood parasitic cowbirds. We first examine prolactin‐dependent regulation of transcriptome wide gene expression in the preoptic area (POA), a brain region associated with parental care across vertebrates. We next examined prolactin‐dependent abundance of seven parental care‐related candidate genes in hypothalamic regions that are prolactin‐responsive in other avian species. We found no evidence of prolactin sensitivity in cowbirds in either case. To understand this prolactin insensitivity, we compared prolactin receptor transcript abundance between parasitic and nonparasitic species and between prolactin treated and untreated cowbirds. We observed significantly lower prolactin receptor transcript abundance in brown‐headed but not bronzed cowbird POA compare
Who reads Examining the Disconnect Between Prolactin and Parental Care in Avian Brood Parasites?
It is typically read by researchers, students, and practitioners in Neuroscience.
- Author
- Lynch, Kathleen S.; Louder, Matthew I. M.; Friesen, Caitlin N.; Fischer, Eva K.; Xiang, Angell; Steele, Angela; Shalov, Julia
- Publisher
- John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 1601-1848)
- Published
- 2020
- Language
- EN
- Field
- Neuroscience (Life Sciences)