Population structure and geographical subdivision of the Leishmania major vector Phlebotomus papatasi as revealed by microsatellite variation

O. Hamarsheh 1 W. Presber 2 M. -R. Yaghoobi-Ershadi 3, 4 A. Amro 2, 5 A. Al-Jawabreh 6 S. Sawalha 7 A. Al-Lahem 8 M. L. Das 9 S. Guernaoui 10 N. Seridi 11 R. C. Dhiman 12 J. Ghrab 13 M. Hassan 14 G. Schoenian 2 Y. Hashiguchi 15
1 Dept Biol Sci
2 Dept Parasitol
3 University of Tehran
4 Dept Med Entomol & Vector Control
5 Leishmaniasis Res Lab
6 Leishmania Res Unit, Jericho
7 Dept Primary Hlth Care
8 Dept Zool
9 Dept Microbiol
10 Lab Ecol Anim Terrestre
11 Genet Lab
12 Natl Inst Malaria Res ICMR
13 Institut Pasteur de Tunis
14 Natl Res Ctr, Res Inst Trop Med
15 Dept Parasitol
Abstract : Multi-locus microsatellite typing (MLMT) has been employed to infer the population structure of Phlebotomus papatasi (Scopoli) (Diptera: Psychodidae) sandflies and assign individuals to populations. Phlebotomus papatasi sandflies were collected from 35 sites in 15 countries. A total of 188 P. papatasi individuals were typed using five microsatellite loci, resulting in 113 different genotypes. Unique microsatellite signatures were observed for some of the populations analysed. Comparable results were obtained when the data were analysed with Bayesian model and distance-based methods. Bayesian statistic-based analyses split the dataset into two distinct genetic clusters, A and B, with further substructuring within each. Population A consisted of five subpopulations representing large numbers of alleles that were correlated with the geographical origins of the sandflies. Cluster B comprised individuals collected in the Middle East and the northern Mediterranean area. The subpopulations B1 and B2 did not, however, show any further correlation to geographical origin. The genetic differentiation between subpopulations was supported by F statistics showing statistically significant (Bonferroni-corrected P < 0.005) values of 0.221 between B2 and B1 and 0.816 between A5 and A4. Identification of the genetic structure of P. papatasi populations is important for understanding the patterns of dispersal of this species and to developing strategies for sandfly control.
Keywords : Leishmania major Phlebotomus papatasi microsatellites population structure sandflies
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Medical and Veterinary Entomology, Wiley, 2009, 23 (1), pp.69-77. 〈10.1111/j.1365-2915.2008.00784.x〉
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Soumis le : mardi 6 décembre 2016 - 15:25:59
Dernière modification le : lundi 8 octobre 2018 - 17:44:08

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O. Hamarsheh, W. Presber, M. -R. Yaghoobi-Ershadi, A. Amro, A. Al-Jawabreh, et al.. Population structure and geographical subdivision of the Leishmania major vector Phlebotomus papatasi as revealed by microsatellite variation. Medical and Veterinary Entomology, Wiley, 2009, 23 (1), pp.69-77. 〈10.1111/j.1365-2915.2008.00784.x〉. 〈pasteur-01375174〉

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