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Comparative genomics reveals the hybrid origin of a macaque group

Zhang, Bao-Lin, Chen, Wu, Wang, Zefu, Pang, Wei, Luo, Meng-Ting, Wang, Sheng, Shao, Yong, He, Wen-Qiang, Deng, Yuan, Zhou, Long, Chen, Jiawei, Yang, Min-Min, Wu, Yajiang, Wang, Lu, Fernández-Bellon, Hugo, Molloy, Sandra, Meunier, Hélène, Wanert, Fanélie, Kuderna, Lukas, Marques-Bonet, Tomas, Roos, Christian, Qi, Xiao-Guang, Li, Ming, Liu, Zhijin, Schierup, Mikkel Heide, Cooper, David N. ORCID:, Liu, Jianquan, Zheng, Yong-Tang, Zhang, Guojie and Wu, Dong-Dong 2023. Comparative genomics reveals the hybrid origin of a macaque group. Science Advances 9 (22) , eadd3580. 10.1126/sciadv.add3580

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Although species can arise through hybridization, compelling evidence for hybrid speciation has been reported only rarely in animals. Here, we present phylogenomic analyses on genomes from 12 macaque species and show that the fascicularis group originated from an ancient hybridization between the sinica and silenus groups ~3.45 to 3.56 million years ago. The X chromosomes and low-recombination regions exhibited equal contributions from each parental lineage, suggesting that they were less affected by subsequent backcrossing and hence could have played an important role in maintaining hybrid integrity. We identified many reproduction-associated genes that could have contributed to the development of the mixed sexual phenotypes characteristic of the fascicularis group. The phylogeny within the silenus group was also resolved, and functional experimentation confirmed that all extant Western silenus species are susceptible to HIV-1 infection. Our study provides novel insights into macaque evolution and reveals a hybrid speciation event that has occurred only very rarely in primates.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Publisher: American Association for the Advancement of Science
ISSN: 2375-2548
Date of First Compliant Deposit: 26 July 2023
Date of Acceptance: 25 January 2023
Last Modified: 28 Jul 2023 07:36

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