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Population genetics of Ochlerotatus eatoni (Diptera: Culicidae) endemic species to two Macaronesian Islands

Publication . Khadem, Mahnaz; Gonçalves, Ysabel; Mendonça, Sandra; Capela, Ruben

Analyses of 11 isoenzyme loci of Ochlerotatus eatoni (Edwards, 1916), endemic to two Macaronesian Islands (Madeira and Tenerife, Canary Islands), revealed substantial genetic structure in the study populations. Samples from sites on the south and north of Madeira displayed a signiÞcant reduction of variability compared with those from central Madeira and Tenerife. The Tenerife population exhibited a severe deÞcit of heterozygosity with similar magnitude across all the loci examined. The complex pattern of variation in Oc. eatoni is because of interplay of breeding structure, genetic drift, and geographical and historical factors. From these Þndings, we concluded that island colonization by Oc. eatoni was not marked by founder effect.

2006Artigo científico

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Fundação para a Ciência e a Tecnologia

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PRAXIS XXI

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PRAXIS XXI/BM/283/94