A phylogenomic perspective on the robust capuchin monkey (Sapajus) radiation : first evidence for extensive population admixture across South America

Lima, MGM, Silva-Junior, J, Cerny, D, Buckner, JC, Aleixo, A, Chang, J, Zheng, J, Alfaro, M, Martins, A, Di Fiori, A, Boubli, JP ORCID: https://orcid.org/0000-0002-5833-9264 and Lynch Alfaro, JW 2018, 'A phylogenomic perspective on the robust capuchin monkey (Sapajus) radiation : first evidence for extensive population admixture across South America' , Molecular Phylogenetics and Evolution, 124 , pp. 137-150.

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Phylogenetic relationships amongst the robust capuchin monkeys (genus Sapajus) are poorly understood. Morphology-based taxonomies have recognized anywhere from one to twelve different species. The current IUCN (2017) classification lists eight robust capuchins: S. xanthosternos, S. nigritus, S. robustus, S. flavius, S. libidinosus, S. cay, S. apella and S. macrocephalus. Here, we assembled the first phylogenomic data set for Sapajus using ultra-conserved elements (UCEs) to reconstruct a capuchin phylogeny. All phylogenomic analyses strongly supported a deep divergence of Sapajus and Cebus clades within the capuchin monkeys, and provide support for Sapajus nigritus, S. robustus and S. xanthosternos as distinct species. However, the UCE phylogeny lumped the putative species S. cay, S. libidinosus, S. apella, S. macrocephalus, and S. flavius together as a single widespread lineage. A SNP phylogeny constructed from the UCE data was better resolved and recovered S. flavius and S. libidinosus as sister species; however, S. apella, S. macrocephalus, and S. cay individuals were interspersed in a widespread clade with no evidence for monophyly for any of these three morphospecies. STRUCTURE analysis of population clustering revealed widespread admixture among Sapajus populations within the Amazon and even into the Cerrado and Atlantic Forest. Difficulty in assigning species by morphology may be a result of widespread population admixture facilitated through frequent movement across major rivers and even ecosystems by robust capuchin monkeys.

Item Type: Article
Schools: Schools > School of Environment and Life Sciences > Ecosystems and Environment Research Centre
Journal or Publication Title: Molecular Phylogenetics and Evolution
Publisher: Elsevier
ISSN: 1055-7903
Related URLs:
Funders: Conselho Nacional de Pesquisas, CNPq Brazil, National Science FOundation USA, FAPESP Brazil
Depositing User: Prof JP Boubli
Date Deposited: 15 Mar 2018 12:45
Last Modified: 16 Feb 2022 18:38
URI: https://usir.salford.ac.uk/id/eprint/46258

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