Molecular phylogeny and systematics of bald uakaris, genus Cacajao (Primates: Pitheciidae), with the description of a new species.

Ennes Silva, F, Valsecchi do Amaral, J, Roos, C, Bowler, M, Röhe, F, Sampaio, R, Janiak, MC ORCID: https://orcid.org/0000-0002-7759-2556, Bertuol, F, Ismar Santana, M, de Souza Silva Júnior, J, Rylands, A, Gubili, C, Hrbek, T, McDevitt, A ORCID: https://orcid.org/0000-0002-2677-7833 and Boubli, JP ORCID: https://orcid.org/0000-0002-5833-9264 2022, 'Molecular phylogeny and systematics of bald uakaris, genus Cacajao (Primates: Pitheciidae), with the description of a new species.' , Molecular Phylogenetics and Evolution, 173 .

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Abstract

Bald uakaris, genus Cacajao, are Amazonian primates currently classified as one species and four subspecies based on the patterns of pelage coloration. In this study, we test if their current taxonomy is represented by the phylogenetic relationship of the main lineages retrieved from molecular data. We included, for the first time, all bald uakari taxa in a mitochondrial (cytochrome b) and genome-wide (ddRAD) phylogenetic analyses. We also examined the pattern of pelage colouration in specimens from zoological collections. Having determined the number of lineages using Maximum Likelihood and the species tree using coalescent analyses, we test their divergence time using a Bayesian approach. While the cytochrome b analysis only recovered two clades, the ddRAD analysis supported the reciprocal monophyly of five lineages of bald uakaris, with all clades including only individuals with distinct and exclusive diagnostic phenotypic characters. We found that species diversification in Cacajao occurred during the last 300 Kya and may have been influenced by the formation of rivers and flooded forests in western Amazonia. We propose that the four bald uakari subspecies currently recognised can be upgraded to species level and we describe the white uakaris from the basin of the Rio Tarauacá as a new species. [Abstract copyright: Copyright © 2022 Elsevier Inc. All rights reserved.]

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Schools > School of Environment and Life Sciences
Journal or Publication Title: Molecular Phylogenetics and Evolution
Publisher: Elsevier
ISSN: 1055-7903
SWORD Depositor: Publications Router
Depositing User: Publications Router
Date Deposited: 08 Aug 2022 12:24
Last Modified: 08 Aug 2022 12:24
URI: https://usir.salford.ac.uk/id/eprint/64076

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