Publications Scientifiques

[ Article ] Genetic diversity, evolutionary history and implications for conservation of the lion (Panthera leo) in West and Central Africa

Date de soumission: 30-12-2016
Année de Publication: 2011
Entité/Laboratoire Laboratoire d'Ecologie Appliquée (LEA)
Document type : Article
Discipline(s) : Sciences Environnement &Ecologie
Titre Genetic diversity, evolutionary history and implications for conservation of the lion (Panthera leo) in West and Central Africa
Auteurs BERTOLA Laura D. [1], SOGBOHOSSOU ETOTEPE A. [12],
Journal: Journal of Biogeography
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 38
DOI: 10.1111/j.1365-2699.2011.02500.x
Resume Aim  In recent decades there has been a marked decline in the numbers of African lions (Panthera leo), especially in West Africa where the species is regionally endangered. Based on the climatological history of western Africa, we hypothesize that West and Central African lions have a unique evolutionary history, which is reflected by their genetic makeup. Location  Sub-Saharan Africa and India, with special focus on West and Central Africa. Method  In this study 126 samples, throughout the lion’s complete geographic range, were subjected to phylogenetic analyses. DNA sequences of a mitochondrial region, containing cytochrome b, tRNAPro, tRNAThr and the left part of the control region, were analysed. Results  Bayesian, maximum likelihood and maximum parsimony analyses consistently showed a distinction between lions from West and Central Africa and lions from southern and East Africa. West and Central African lions are more closely related to Asiatic lions than to the southern and East African lions. This can be explained by a Pleistocene extinction and subsequent recolonization of West Africa from refugia in the Middle East. This is further supported by the fact that the West and Central African clade shows relatively little genetic diversity and is therefore thought to be an evolutionarily young clade. Main conclusions  The taxonomic division between an African and an Asian subspecies does not fully reflect the overall genetic diversity within lions. In order to conserve genetic diversity within the species, genetically distinct lineages should be prioritized. Understanding the geographic pattern of genetic diversity is key to developing conservation strategies, both for in situ management and for breeding of captive stocks.
Mots clés Lion, phylogenetic, Africa
Pages 1356 - 1367

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