Oxytocin and arginine vasopressin receptor evolution: implications for adaptive novelties in placental mammals



Document title: Oxytocin and arginine vasopressin receptor evolution: implications for adaptive novelties in placental mammals
Journal: Genetics and molecular biology
Database: PERIÓDICA
System number: 000401321
ISSN: 1415-4757
Authors: 1
2
3
1
1
1
1
4
Institutions: 1Universidade Federal do Rio Grande do Sul, Departamento de Genética, Porto Alegre, Rio Grande do Sul. Brasil
2Universidade Federal da Bahia, Instituto de Biologia, Salvador, Bahia. Brasil
3Universidade Federal de Santa Catarina, Laboratorio de Fisiologia da Reproducao Animal, Curitibanos, Santa Catarina. Brasil
4Universidade Federal de Pelotas, Programa de Pos-Graduacao em Epidemiologia, Pelotas, Rio Grande do Sul. Brasil
Year:
Season: Dic
Volumen: 39
Number: 4
Pages: 646-657
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Experimental, aplicado
English abstract Oxytocin receptor (OXTR) and arginine vasopressin receptors (AVPR1a, AVPR1b, and AVPR2) are paralogous genes that emerged through duplication events; along the evolutionary timeline, owing to speciation, numerous orthologues emerged as well. In order to elucidate the evolutionary forces that shaped these four genes in placental mammals and to reveal specific aspects of their protein structures, 35 species were selected. Specifically, we investigated their molecular evolutionary history and intrinsic protein disorder content, and identified the presence of short linear interaction motifs. OXTR seems to be under evolutionary constraint in placental mammals, whereas AVPR1a, AVPR1b, and AVPR2 exhibit higher evolutionary rates, suggesting that they have been under relaxed or experienced positive selection. In addition, we describe here, for the first time, that the OXTR, AVPR1a, AVPR1b, and AVPR2 mammalian orthologues preserve their disorder content, while this condition varies among the paralogues. Finally, our results reveal the presence of short linear interaction motifs, indicating possible functional adaptations related to physiological and/or behavioral taxa-specific traits
Disciplines: Biología
Keyword: Genética,
Mamíferos,
Bioquímica,
Evolución molecular,
Receptores químicos,
Oxitocina,
Vasopresina
Keyword: Biology,
Genetics,
Mammals,
Biochemistry,
Molecular evolution,
Chemical receptors,
Oxytocin,
Vasopressin
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