Hybrid origin of a primate, the gray snub-nosed monkey.

Science

State Key Laboratory for Conservation and Utilization of Bio-Resource in Yunnan, School of Life Sciences, Yunnan University, Kunming 650091, China.

Published: June 2023

Hybridization is widely recognized as promoting both species and phenotypic diversity. However, its role in mammalian evolution is rarely examined. We report historical hybridization among a group of snub-nosed monkeys () that resulted in the origin of a hybrid species. The geographically isolated gray snub-nosed monkey shows a stable mixed genomic ancestry derived from the golden snub-nosed monkey () and the ancestor of black-white () and black snub-nosed monkeys (). We further identified key genes derived from the parental lineages, respectively, that may have contributed to the mosaic coat coloration of , which likely promoted premating reproductive isolation of the hybrid from parental lineages. Our study highlights the underappreciated role of hybridization in generating species and phenotypic diversity in mammals.

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http://dx.doi.org/10.1126/science.abl4997DOI Listing

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