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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
ITS 2 sequences heterogeneity in Phlebotomus sergenti and Phlebotomus similis (Diptera, Psychodidae): Possible consequences in their ability to transmit Leishmania tropica
International Journal for Parasitology, Volume 32, No. 9, Year 2002
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Description
An intraspecific study on Phlebotomus sergenti, the main and only proven vector of Leishmania tropica among the members of the subgenus Paraphlebotomus was performed. The internal transcribed spacer 2 (ITS2) sequences of 12 populations from 10 countries (Cyprus, Egypt, Italy, Lebanon, Morocco, Pakistan, Portugal, Spain, Syria, and Turkey) were compared. Samples also included three species closely related to P. sergenti: Phlebotomus similis (three populations from Greece and Malta), Phlebotomus jacusieli and Phlebotomus kazeruni. Our results confirm the validity of the taxa morphologically characterised, and imply the revision of their distribution areas, which are explained through biogeographical events. At the Miocene time, a migration route, north of the Paratethys sea would have been followed by P. similis to colonise the north of the Caucasus, Crimea, Balkans including Greece and its islands, and western Turkey. Phlebotomus sergenti would have followed an Asiatic dispersion as well as a western migration route south of the Tethys sea to colonise North Africa and western Europe. This hypothesis seems to be well supported by high degree of variation observed in the present study, which is not related to colonisation or to intra-populational variation. Two groups can be individualised, one oriental and one western in connection with ecology, host preferences and distribution of L. tropica. We hypothesise that they could be correlated with differences in vectorial capacities. © 2002 Australian Society for Parasitology Inc. Published by Elsevier Science Ltd. All rights reserved.
Authors & Co-Authors
Depaquit, Jérôme
France, Reims
Université de Reims Champagne-ardenne
Ferté, Hubert
France, Reims
Université de Reims Champagne-ardenne
Léger, Nicole
France, Reims
Université de Reims Champagne-ardenne
Lefranc, Fabienne
France, Reims
Université de Reims Champagne-ardenne
Alves-Pires, Carlos
Portugal, Lisbon
Instituto de Higiene e Medicina Tropical
Hanafi, Hanafi A.
Egypt, Cairo
U.s. Naval Medical Research Unit No. 3, Egypt
Maroli, Michele
Italy, Rome
Istituto Superiore Di Sanita
Morillas-Márquez, F. Begara
Spain, Granada
Facultad de Farmacia
Rioux, Jean Antoine
France, Montpellier
Université de Montpellier
Svobodova, Milena
Czech Republic, Prague
Charles University
Volf, Petr
Czech Republic, Prague
Charles University
Statistics
Citations: 117
Authors: 11
Affiliations: 7
Identifiers
Doi:
10.1016/S0020-7519(02)00088-7
ISSN:
00207519
Research Areas
Genetics And Genomics
Study Locations
Multi-countries
Egypt
Morocco