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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Genetic analysis of southern African gemsbok (Oryx gazella) reveals high variability, distinct lineages and strong divergence from the East African Oryx beisa
Mammalian Biology, Volume 77, No. 1, Year 2012
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Description
We carried out a population genetic analysis of five southern African gemsbok (Oryx gazella) populations based on 530. bp of the mitochondrial control region and ten microsatellites in 75 individuals. Both markers show the high variability often observed in African bovids. Three of the populations which can be traced back to very small founding or current sizes do not show any signs of reduced variability compared to the remaining populations. The mitochondrial haplotypes form three distinct lineages which most likely originated in the Pleistocene when climate fluctuations led to periodical reduction and spreading of gemsbok habitat and which, today, are found throughout the distribution range. Bayesian microsatellite analyses yielded two groups, suggesting a more recent geographical differentiation following the admixture of the mtDNA lineages. Combining our sequences with available published data of the remaining oryx species allowed for a direct molecular comparison of O. gazella and O. beisa which have sometimes been considered a single species. The average genetic divergence between haplotypes from the two taxa was very high (39.9%), supporting their classification into two different species. © 2011 Deutsche Gesellschaft für Säugetierkunde.
Authors & Co-Authors
Osmers, Bennie
South Africa, Sovenga
University of Limpopo
Petersen, Britt Sabina
Germany, Kiel
Christian-albrechts-universität zu Kiel
Hartl, Günther B.
Germany, Kiel
Christian-albrechts-universität zu Kiel
Grobler, J. Paul
South Africa, Bloemfontein
University of the Free State
Kotzé, Antoinette
South Africa, Bloemfontein
University of the Free State
South Africa, Pretoria
National Zoological Gardens
van Aswegen, Elzet
South Africa, Pretoria
National Zoological Gardens
Zachos, Frank Emmanuel
Germany, Kiel
Christian-albrechts-universität zu Kiel
Austria, Vienna
Naturhistorisches Museum, Vienna
Statistics
Citations: 10
Authors: 7
Affiliations: 5
Identifiers
Doi:
10.1016/j.mambio.2011.08.003
ISSN:
16165047
e-ISSN:
16181476
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study