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Comparaisons des Activités Enzymatiques de Deux Populations Allopatriques de Macrotermes bellicosus (Termitidae: Macrotermitinae)

Published online by Cambridge University Press:  19 September 2011

A. Johnson  and
C. Rouland
A. Johnson
Affiliation:
Laboratoire d'Ecophysiologie des Invertébrés, Université Paris XII-Val de Marne, 94010-Créteil Cédex, France E-mail: [email protected]
C. Rouland
Affiliation:
Laboratoire d'Ecophysiologie des Invertébrés, Université Paris XII-Val de Marne, 94010-Créteil Cédex, France E-mail: [email protected]
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Abstract

The termite species Macrotermes bellicosus has a vast geographical distribution, which can produce genetic divergence in populations that evolve in its different environments. Experiments carried out on digestive oxidases in two populations of M. bellicosus originating from Chad and from Côte d'lvoire showed differences in the rate of their enzymatic activities. Populations from Côte d'lvoire showed significantly higher degradation activity against fresh vegetal matter than populations from Chad.

Résumé

Le termite Macrotermes bellicosus présente une vaste aire de répartition qui peut entraîner des divergences génétiques pour les populations les plus éloignées. L'analyse des activités osidasiques et de certaines enzymes du métabolisme chez deux populations de M. bellicosus, l'une originaire du Tchad et l'autre de la Côte d'lvoire, montre qu'il existe des differences quantitatives entre leurs activités enzymatiques. Les populations de Côte d'lvoire dégraderaient plus facilement la matière végétale fraiche que celles du Tchad.

Keywords

osidasesdivergences génétiquesIsoptèresMacrotermes bellicosusTchadCôte d'Ivoireoxidasesgenetic divergenceIsopteraMacrotermes bellicosusChadCôte d'Ivoire
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 22 , Issue 3 , September 2002 , pp. 193 - 198
Copyright
Copyright © ICIPE 2002

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References

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