NDLI: Establishing the foundation for an applied molecular taxonomy of otters in Southeast Asia

Content Provider	Springer Nature Link
Author	Koepfli, Klaus Peter Kanchanasaka, Budsabong Sasaki, Hiroshi Jacques, Hélène Louie, Kristina D. Y. Hoai, Toanvong Dang, Nguyen Xuan Geffen, Eli Gutleb, Ar Han, Sung yong Heggberget, Thrine M. LaFontaine, Lionel Lee, Hang Melisch, Roland Ruiz Olmo, Jordi Santos Reis, Margarida Sidorovich, Vadim E. Stubbe, Michael Wayne, Robert K.
Copyright Year	2008
Abstract	Four species of otters (Mustelidae, Lutrinae) occur in Southeast Asia and are considered to be of conservation concern: Aonyx cinerea (Asian small-clawed otter), Lutra lutra (Eurasian otter), Lutra sumatrana (Hairy-nosed otter), and Lutrogale perspicillata (Smooth-coated otter). Among these, L. sumatrana is endemic to the region, yet little is known about its biology, and the precise distribution of all four species in Southeast Asia is not well known. Furthermore, the taxonomy and systematics of L. sumatrana and L. perspicillata have been the subject of controversy, which has implications for the legal protection and for conservation programs of these taxa. To resolve these controversies, we used a multigene data set comprised of segments from 13 nuclear and 5 mitochondrial loci (11,180 nucleotides) to evaluate the phylogenetic relationships of Asian Old World otters. Phylogenies were also estimated using two mitochondrial loci (1,832 nucleotides) obtained from two or more individuals of the four Southeast Asian species. The results from maximum parsimony, maximum likelihood and Bayesian inference showed that L. sumatrana and L. lutra are sister taxa, whereas L. perspicillata is sister to A. cinerea. Furthermore, the results from the two-mitochondrial gene analyses indicate that L. sumatrana is reciprocally monophyletic with respect to L. lutra, supporting the specific validity of the former taxon. Signs such as tracks and feces are often used in field surveys to provide information on the distribution and abundance of otters, but the accuracy of these methods may be compromised when several closely related species occur sympatrically. Therefore, the two-gene data set was used to develop a provisional set of diagnostic nucleotides that can be potentially used to identify the four species of Southeast Asian otters from noninvasively collected biological samples, such as feces.
Starting Page	1589
Ending Page	1604
Page Count	16
File Format	PDF
ISSN	15660621
Journal	Conservation Genetics
Volume Number	9
Issue Number	6
e-ISSN	15729737
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-01-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Otter Lutrinae Lutra sumatrana Molecular phylogeny Molecular taxonomy Southeast Asia Conservation genetics Evolutionary Biology Plant Sciences Animal Anatomy / Morphology / Histology Human Genetics
Content Type	Text
Resource Type	Article
Subject	Genetics Ecology, Evolution, Behavior and Systematics

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