Microsatellite diversities and gene flow in the tsetse fly, Glossina morsitans s.l.

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2002-09-01
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Krafsur, E. S.
Endsley, M. A.
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Krafsur, Elliot
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Entomology

The Department of Entomology seeks to teach the study of insects, their life-cycles, and the practicalities in dealing with them, for use in the fields of business, industry, education, and public health. The study of entomology can be applied towards evolution and ecological sciences, and insects’ relationships with other organisms & humans, or towards an agricultural or horticultural focus, focusing more on pest-control and management.

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The Department of Entomology was founded in 1975 as a result of the division of the Department of Zoology and Entomology.

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Tsetse flies occupy discontinuous habitats and gene flow among them needs to be investigated in anticipation of area-wide control programs. Genetic diversities were estimated at six microsatellite loci in seven Glossina morsitans submorsitans Newstead (Diptera: Glossinidae) populations and five microsatellite loci in six G. m. morsitans Westwood populations. Nei’s unbiased diversities were 0.808 and 76 alleles in G. m. submorsitans and 0.727 and 55 alleles in G. m. morsitans. Diversities were less in three laboratory cultures. Matings were random within populations. Populations were highly differentiated genetically. Populations were strongly subdivided, as indicated by fixation indices (FST) of 0.18 in G. m. morsitans and 0.17 in G. m. submorsitans. 35% of the genetic variance in G. m. submorsitans was attributed to differences between populations from The Gambia and Ethiopia. All available genetic evidence suggests that genetic drift is much greater than gene flow among G. morsitans s.l. populations.

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This is the peer reviewed version of the following article: Krafsur, E. S., and M. A. Endsley. "Microsatellite diversities and gene flow in the tsetse fly, Glossina morsitans sl." Medical and veterinary entomology 16, no. 3 (2002): 292-300, which has been published in final form at doi: 10.1046/j.1365-2915.2002.00378.x. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.

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Tue Jan 01 00:00:00 UTC 2002
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