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Phylogeography of Aedes (Stegomyia) aegypti (L.) and Aedes (Stegomyia) albopictus (Skuse) (Diptera: Culicidae) based on mitochondrial DNA variations

Published online by Cambridge University Press:  28 July 2005

LAURENCE MOUSSON ,
CATHERINE DAUGA ,
THOMAS GARRIGUES ,
FRANCIS SCHAFFNER ,
MARIE VAZEILLE  and
ANNA-BELLA FAILLOUX
LAURENCE MOUSSON
Affiliation:
Insectes et Maladies Infectieuses (formerly Ecologie des Systèmes Vectoriels), Institut Pasteur, 25–28 rue du Dr Roux, 75724 Paris cedex 15, France
CATHERINE DAUGA
Affiliation:
Plate Forme 4 – Intégration et Analyse Génomiques, Institut Pasteur, 25–28 rue du Dr Roux, 75724 Paris cedex 15, France
THOMAS GARRIGUES
Affiliation:
Insectes et Maladies Infectieuses (formerly Ecologie des Systèmes Vectoriels), Institut Pasteur, 25–28 rue du Dr Roux, 75724 Paris cedex 15, France
FRANCIS SCHAFFNER
Affiliation:
EID Méditerranée, 165 avenue Paul-Rimbaud, 34184 Montpellier cedex 4, France
MARIE VAZEILLE
Affiliation:
Insectes et Maladies Infectieuses (formerly Ecologie des Systèmes Vectoriels), Institut Pasteur, 25–28 rue du Dr Roux, 75724 Paris cedex 15, France
ANNA-BELLA FAILLOUX
Affiliation:
Insectes et Maladies Infectieuses (formerly Ecologie des Systèmes Vectoriels), Institut Pasteur, 25–28 rue du Dr Roux, 75724 Paris cedex 15, France Present address: UP Génétique moléculaire des Bunyaviridés, Institut Pasteur, 25–28 rue du Dr Roux, 75724 Paris cedex 15, France.
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Abstract

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Aedes (Stegomyia) aegypti (L.) and Aedes (Stegomyia) albopictus (Skuse) are the most important vectors of the dengue and yellow-fever viruses. Both took advantage of trade developments to spread throughout the tropics from their native area: A. aegypti originated from Africa and A. albopictus from South-East Asia. We investigated the relationships between A. aegypti and A. albopictus mosquitoes based on three mitochondrial-DNA genes (cytochrome b, cytochrome oxidase I and NADH dehydrogenase subunit 5). Little genetic variation was observed for A. albopictus, probably owing to the recent spreading of the species via human activities. For A. aegypti, most populations from South America were found to be genetically similar to populations from South-East Asia (Thailand and Vietnam), except for one sample from Boa Vista (northern Amazonia), which was more closely related to samples from Africa (Guinea and Ivory Coast). This suggests that African populations of A. aegypti introduced during the slave trade have persisted in Boa Vista, resisting eradication campaigns.

Type
Research Article
Information
Genetics Research , Volume 86 , Issue 1 , August 2005 , pp. 1 - 11
Copyright
© 2005 Cambridge University Press