High variation and very low differentiation in wide ranging plains zebra (Equus quagga): insights from mtDNA and microsatellites
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High variation and very low differentiation in wide ranging plains zebra (Equus quagga): insights from mtDNA and microsatellites. / Lorenzen, Eline D; Arctander, Peter; Siegismund, Hans R.
In: Molecular Ecology, Vol. 17, No. 12, 2008, p. 2812-2824.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - High variation and very low differentiation in wide ranging plains zebra (Equus quagga): insights from mtDNA and microsatellites
AU - Lorenzen, Eline D
AU - Arctander, Peter
AU - Siegismund, Hans R
N1 - Keywords: Africa; Animals; Bayes Theorem; DNA, Mitochondrial; Equidae; Genetics, Population; Geography; Microsatellite Repeats; Phylogeny
PY - 2008
Y1 - 2008
N2 - Patterns of genetic differentiation in the plains zebra (Equus quagga) were analysed using mitochondrial DNA control region variation and seven microsatellites. The six morphologically defined subspecies of plains zebra lacked the population genetic structure indicative of distinct evolutionary units. Both marker sets showed high levels of genetic variation and very low levels of differentiation. There was no geographical structuring of mitochondrial DNA haplotypes in the phylogenetic tree, and the plains zebra showed the lowest overall differentiation recorded in any African ungulate studied so far. Arid-adapted African ungulates have shown significant regional genetic structuring in support of the Pleistocene refuge theory. This was not the case in the zebra, and the data are discussed in relation to the impact of Pleistocene climate change on a nonbovid member of the savannah ungulate community. The only other species showing a similar absence of genetic structuring is the African buffalo (Syncerus caffer), but this taxon lacks the high levels of morphological variation present in the plains zebra.
AB - Patterns of genetic differentiation in the plains zebra (Equus quagga) were analysed using mitochondrial DNA control region variation and seven microsatellites. The six morphologically defined subspecies of plains zebra lacked the population genetic structure indicative of distinct evolutionary units. Both marker sets showed high levels of genetic variation and very low levels of differentiation. There was no geographical structuring of mitochondrial DNA haplotypes in the phylogenetic tree, and the plains zebra showed the lowest overall differentiation recorded in any African ungulate studied so far. Arid-adapted African ungulates have shown significant regional genetic structuring in support of the Pleistocene refuge theory. This was not the case in the zebra, and the data are discussed in relation to the impact of Pleistocene climate change on a nonbovid member of the savannah ungulate community. The only other species showing a similar absence of genetic structuring is the African buffalo (Syncerus caffer), but this taxon lacks the high levels of morphological variation present in the plains zebra.
U2 - 10.1111/j.1365-294X.2008.03781.x
DO - 10.1111/j.1365-294X.2008.03781.x
M3 - Journal article
C2 - 18466230
VL - 17
SP - 2812
EP - 2824
JO - Molecular Ecology
JF - Molecular Ecology
SN - 0962-1083
IS - 12
ER -
ID: 9199328