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Genetic polymorphisms in natural populations of tsetse fly, Glossina pallidipes Austen in Kenya

Published online by Cambridge University Press:  19 September 2011

A. Kence ,
L. H. Otieno ,
N. Darji  and
H. Mahamat
A. Kence
Affiliation:
Department of Biology, Middle East Technical University, 06513, Ankara, Turkey
N. Darji
Affiliation:
International Centre of Insect Physiology and Ecology (ICIPE), P.O. Box 30772, Nairobi, Kenya
H. Mahamat
Affiliation:
International Centre of Insect Physiology and Ecology (ICIPE), P.O. Box 30772, Nairobi, Kenya
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Abstract

Genetic differentiations in natural populations of the tsetse fly, Glossina pallidipes Austen (Diptera: Giossinidae) collected from three ecologically distinct regions of Kenya, namely Lambwe Valley, Shimba Hills and Nguruman were analysed based on two enzymes, phosphoglucomutase (PGM) and phosphoglucose isomerase (GPI). The PGM gene frequencies of allele (a) of male and female flies from Lambwe Valley showed significant differences. A dendrogram of populations collected from different localities showed two clusters: one comprising Shimba Hills, Majimboni and Muhaka Forest and the other comprising Gendo, Homa Hills and Nguruman. This suggests mat different subpopulations of G. pallidipes have adapted to different habitats.

Résumé

Des différentiations génétiques chez des populations naturelles de Glossina pallidipes Austen (Diptera: Giossinidae) receuillies dans la vallée de Lambwe, à Shimba Hills et à Nguruman, Kenya ont été analysées en se basant sur deux enzymes, la phosphoglucomutase (PGM) et la phosphoglucose isomerase (PGI). La fréquence du gène PGM de l'allèle (a) des mouches mâles et femelles en provenance de la Vallée de Lambwe a montré des différences significatives. Un dendrograme obtenu par UPGMA des populations provenant de différentes localités a mis en évidence 2 clusters, l'un comprennant Shimba Hills, Majimboni, Muhaka Forest et le second comprennant Gendo, Homa Hills et Nguruman. Ce résultat suggère que différentes sous-populations de G. pallidipes se sont adaptées aux différentes habitats.

Keywords

Glossina pallidipestsetse flygenetic variationKenyaGlossina pallidipesmouche tsé-tsévariation génétiqueKenya
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 16 , Issue 3-4 , December 1995 , pp. 369 - 373
Copyright
Copyright © ICIPE 1995

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References

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