Riverine effects on mitochondrial structure of Bornean orang-utans (Pongo pygmaeus) at two spatial scales

Mohd Fairuz Jalil, and Cable, Joanne and J. Sinyor, and Isabelle Lackman-Ancrenaz, and Ancrenaz, Marc and Bruford, Michael W. and Goossens, Benoit (2008) Riverine effects on mitochondrial structure of Bornean orang-utans (Pongo pygmaeus) at two spatial scales. Molecular Ecology, 17 (12). pp. 2898-2909. ISSN 0962-1083

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Abstract

We examined mitochondrial DNA control region sequences of 73 Kinabatangan orang-utans to test the hypothesis that the phylogeographical structure of the Bornean orang-utan is influenced by riverine barriers. The Lower Kinabatangan Wildlife Sanctuary contains one of the most northern populations of orang-utans (Pongo pygmaeus) on Borneo and is bisected by the Kinabatangan River, the longest river in Sabah. Orang-utan samples on either side of the river were strongly differentiated with a high ΦST value of 0.404 (P < 0.001). Results also suggest an east-west gradient of genetic diversity and evidence for population expansion along the river, possibly reflecting a postglacial colonization of the Kinabatangan floodplain. We compared our data with previously published sequences of Bornean orang-utans in the context of river catchment structure on the island and evaluated the general relevance of rivers as barriers to gene flow in this long-lived, solitary arboreal ape. © 2008 The Authors.

Item Type: Article
Uncontrolled Keywords: Control region, Noninvasive genetics, Phylogeography, Population structure, Primates, Riverine barrier hypothesis
Subjects: ?? QL700-739.8 ??
Divisions: SCHOOL > Institute for Tropical Biology and Conservation
Depositing User: Unnamed user with email storage.bpmlib@ums.edu.my
Date Deposited: 06 Apr 2011 07:09
Last Modified: 19 Oct 2017 07:31
URI: http://eprints.ums.edu.my/id/eprint/2686

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