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Effects of bacteria, antibacterial compounds and trypanosomes on tsetse reproduction and longevity

Published online by Cambridge University Press:  19 September 2011

G. P. Kaaya ,
N. Darji  and
L. H. Otieno
G. P. Kaaya
Affiliation:
The International Centre of Insect Physiology and Ecology (ICIPE) P.O. Box 30772, Nairobi, Kenya
N. Darji
Affiliation:
The International Centre of Insect Physiology and Ecology (ICIPE) P.O. Box 30772, Nairobi, Kenya
L. H. Otieno
Affiliation:
The International Centre of Insect Physiology and Ecology (ICIPE) P.O. Box 30772, Nairobi, Kenya
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Abstract

Haemocoelic injections of live Escherichia coli and oral administration of three tetracycline compounds, namely Reverin, Maxitet and Terramycin to female Glossina morsilans morsitans prior to their first larviposition, caused a decrease in fecundity, but had no effect on longevity. Trypanosoma brucei brucei and T. congolense administered by haemocoelic injections, however, caused no change in fecundity or longevity, but tsetse infected with T. b. brucei and T. congolense in their mouthparts had decreased fecundity and longevity as compared to controls.

Résumé

Des injections intrahémales d'Escherichia coli et l'administration par voie orale de trois composés de la tétracycline (principalement Reverin, Maxitet et Terramycine), à des femelles de Glossina morsitans morsitans avant leur première larviposition, ont entraîné une baisse de la fécondité, mais n'ont eu aucum effet sur la longévité. Cependant, Trypanosoma brucei brucei et T. congolense, administrés par injection intrahémale, n'ont entraîné aucun changement dans la fécondité ou la longévité. Néanmoins, comparativement aux témoins, il a été observé une baisse de la fécondité et de la longévité chez des tsétsé infectées dans le voisinage de la bouche par T. brucei et T. congolense.

Keywords

Glossina morsitans morsitansTrypanosoma congolenseTrypanosoma brucei bruceiEscherichia colifecundityantibacterial compoundssymbiontslongevityGlossina morsitans morsitansTrypanosoma congolenseTrypanosoma brucei bruceiEscherichia coliféconditécomposés antibacterienssymbiontslongévité
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 8 , Issue 2 , April 1987 , pp. 217 - 220
Copyright
Copyright © ICIPE 1987

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References

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