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- Title
Multilocus phylogeny suggests a distinct species status for the Nepal population of Assam macaques (Macaca assamensis): implications for evolution and conservation.
- Authors
Khanal, Laxman; Chalise, Mukesh Kumar; Peng-Fei Fan; Kyes, Randall C.; Xue-Long Jiang
- Abstract
Phylogenetic relationships within the sinica-group of macaques based on morphological, behavioral, and molecular characteristics have remained controversial. The Nepal population of Assam macaques (Macaca assamensis) (NPAM), the westernmost population of the species, is morphologically distinct but has never been used in phylogenetic analyses. Here, the phylogenetic relationship of NPAM with other congeners was tested using multiple mitochondrial and Ychromosomal loci. The divergence times and evolutionary genetic distances among macaques were also estimated. Results revealed two major mitochondrial DNA clades of macaques under the sinica-group: the first clade included M. thibetana, M. sinica, and eastern subspecies of Assam macaque (M. assamensis assamensis); the second clade included M. radiata together with species from the eastern and central Himalaya, namely, M. leucogenys, M. munzala, and NPAM. Among the second-clade species, NPAM was the first to diverge from the other members of the clade around 1.9 million years ago. Our results revealed that NPAM is phylogenetically distinct from the eastern Assam macaques and closer to other species and hence may represent a separate species. Because of its phylogenetic distinctiveness, isolated distribution, and small population size, the Nepal population of sinica-group macaques warrants detailed taxonomic revision and high conservation priority.
- Subjects
MACAQUES; PHYLOGENY; ZOOLOGICAL research; BIOLOGICAL evolution; WILDLIFE conservation
- Publication
Zoological Research, 2021, Vol 42, Issue 1, p3
- ISSN
2095-8137
- Publication type
Article
- DOI
10.24272/j.issn.2095-8137.2020.279