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

Jalil, M. F., Cable, Joanne ORCID: https://orcid.org/0000-0002-8510-7055, Sinyor, J., Lackman-Ancrenaz, I., Ancrenaz, M., Bruford, Michael William ORCID: https://orcid.org/0000-0001-6357-6080 and Goossens, Benoit ORCID: https://orcid.org/0000-0003-2360-4643 2008. Riverine effects on mitochondrial structure of Bornean orang-utans (Pongo pygmaeus) at two spatial scales. Molecular Ecology 17 (12) , pp. 2898-2909. 10.1111/j.1365-294X.2008.03793.x

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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.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences Sustainable Places Research Institute (PLACES)
Subjects:	Q Science > QL Zoology
Uncontrolled Keywords:	control region; noninvasive genetics; phylogeography; population structure; primates; riverine barrier hypothesis
Publisher:	Wiley-Blackwell
ISSN:	0962-1083
Last Modified:	06 Jan 2024 03:03
URI:	https://orca.cardiff.ac.uk/id/eprint/9140

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