Article (Scientific journals)
Preliminary assessment of the genetic population structure of the enigmatic species Laonastes aenigmamus (Rodentia: Diatomyidae)
Rivière-Dobigny, T.; Herbreteau, V.; Khamsavath, K. et al.
2011In Journal of Mammalogy, 92 (3), p. 620-628
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Keywords :
Diatomyidae; Laonastes aenigmamus; Khammouan Limestone National Biodiversity Conservation Area; Laos; Mammalia; Rodentia
Abstract :
[en] Described in 2005, Laonastes aenigmamus is the only species of Diatomyidae. The known distribution of this rodent encompasses only the rugged mountains of the Khammouan karst in central Lao People's Democratic Republic. We used a sample of 52 specimens to survey population structure by sequencing 887 base pairs of the cytochrome-b gene. The overall haplotype diversity was low (0.789 ± 0.039 SD), with 14 haplotypes identified, whereas the nucleotide diversity was high (0.015 ± 0.008 SD). Phylogenetic and haplotypic network reconstructions revealed 3 well-supported and rather divergent lineages with mutational steps ranging from 28 to 32. Identified haplotype groups correspond to localities, suggesting that populations of L. aenigmamus are geographically structured. Mismatch distributions suggest population stability. An exact test for population differentiation confirms a significant level of differentiation. Taking into account human pressure increasingly threatening this ecosystem, we provide preliminary insights on the genetically discrete population structure of this enigmatic mammal species. © American 2011 Society of Mammalogists.
Disciplines :
Zoology
Author, co-author :
Rivière-Dobigny, T.;  Centre de Biologie et de Gestion des Populations, Campus International de Baillarguet, CS 30016, 34988, Montferrier-sur-Lez, France
Herbreteau, V.;  Maison de la Télédétection, 500 rue Jean-François Breton, 34093 Montpellier Cedex 5, France
Khamsavath, K.;  Northern Agriculture Research, National Agriculture and Forest Research Institute, P.O. Box 7170, Vientiane, Laos
Douangboupha, B.;  Northern Agriculture Research, National Agriculture and Forest Research Institute, P.O. Box 7170, Vientiane, Laos
Morand, S.;  Université Montpellier II, Institut des Sciences de l'Entreprise de Montpellier, Place Eugène Bataillon-CC 064, 34095, Montpellier Cedex 5, France
Michaux, Johan  ;  Université de Liège - ULiège > Département des sciences de la vie > Génétique et physiologie des microalgues
Hugot, J. P.;  Museum National d'Histoire Naturelle, Origine Structure et Evolution de la Biodiversite, Unité Mixte de Recherche, 5202 du Centre National de la Recherche Scientifique, 55, rue Buffon, 75231 Paris Cedex 05, France
Language :
English
Title :
Preliminary assessment of the genetic population structure of the enigmatic species Laonastes aenigmamus (Rodentia: Diatomyidae)
Publication date :
2011
Journal title :
Journal of Mammalogy
ISSN :
0022-2372
eISSN :
1545-1542
Publisher :
American Society of Mammalogists, United States
Volume :
92
Issue :
3
Pages :
620-628
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
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