ArticleGenes, brain, and behavior2022
Oxytocin variation and brain region-specific gene expression in a domesticated avian species.
Article in Genes, brain, and behavior, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
6 citing papers in PubMed, 11 citations in OpenAlex.
- Tapping into the vocal learning and rhythmic synchronization hypothesis.BMC neuroscience · 2024Article
- A journey from speech to dance through the field of oxytocin.Comprehensive psychoneuroendocrinology · 2023Review
- The neural distribution of the avian homologue of oxytocin, mesotocin, in two songbird species, the zebra finch and the canary: A potential role in song perception and production.The Journal of comparative neurology · 2022Article
- Oxytocin and vasotocin receptor variation and the evolution of human prosociality.Comprehensive psychoneuroendocrinology · 2022Article
- Oxytocin variation and brain region-specific gene expression in a domesticated avian species.Genes, brain, and behavior · 2022Article
- Effect of Darkness on Intrinsic Motivation for Undirected Singing in Bengalese Finch (Frontiers in physiology · 2022Article
Corrections and comments
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Authors and funding
18 authors at 10 institutions in 4 countries.
Funding
Abstract
The Bengalese finch was domesticated more than 250 years ago from the wild white-rumped munia (WRM). Similar to other domesticated species, Bengalese finches show a reduced fear response and have lower corticosterone levels, compared to WRMs. Bengalese finches and munias also have different song types. Since oxytocin (OT) has been found to be involved in stress coping and auditory processing, we tested whether the OT sequence and brain expression pattern and content differ in wild munias and domesticated Bengalese finches. We sequenced the OT from 10 wild munias and 11 Bengalese finches and identified intra-strain variability in both the untranslated and protein-coding regions of the sequence, with all the latter giving rise to synonymous mutations. Several of these changes fall in specific transcription factor-binding sites, and show either a conserved or a relaxed evolutionary trend in the avian lineage, and in vertebrates in general. Although in situ hybridization in several hypothalamic nuclei did not reveal significant differences in the number of cells expressing OT between the two strains, real-time quantitative PCR showed a significantly higher OT mRNA expression in the cerebrum of the Bengalese finches relative to munias, but a significantly lower expression in their diencephalon. Our study thus points to a brain region-specific pattern of neurochemical expression in domesticated and wild avian strains, which could be linked to domestication and the behavioral changes associated with it.
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Registered trials
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