Population structure in the malaria vector, Anopheles arabiensis patton, in East Africa

The population structure of the malaria vector Anopheles arabiensis was investigated using data from six microsatellite loci in samples from localities in Mozambique and Tanzania. Genotype frequencies were neither significantly different between houses in a village in Tanzania nor between villages w...

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Veröffentlicht in:Heredity 1999-10, Vol.83 ( Pt 4) (4), p.408-417
Hauptverfasser: Donnelly, M J, Cuamba, N, Charlwood, J D, Collins, F H, Townson, H
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Sprache:eng
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Zusammenfassung:The population structure of the malaria vector Anopheles arabiensis was investigated using data from six microsatellite loci in samples from localities in Mozambique and Tanzania. Genotype frequencies were neither significantly different between houses in a village in Tanzania nor between villages within a 20-km radius in Mozambique. Thus a deme has an area greater than 20 km in radius. At five of the six loci the heterozygosity of the population from Mozambique was lower than that from Tanzania, implying a lower effective population size (Ne) at this southern edge of the species range. There were significant differences in genotype frequencies between the Tanzanian and Mozambique populations at five of the six loci (P
ISSN:0018-067X
1365-2540
DOI:10.1038/sj.hdy.6885930