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Article dans une revue

Global genetic diversity of Aedes aegypti

Andrea Gloria-Soria 1, * Diego Ayala 2 Ambicadutt Bheecarry 3 Olger Calderon-Arguedas 4 Dave Chadee 5 Marina Chiappero 6 Maureen Coetzee 7 Khouaildi Bin Elahee 3 Ildefonso Fernandez-Salas 8 Hany Kamal Basile Kamgang 9 Emad Khater 10 Laura Kramer 11 Vicki Kramer Alma Lopez-Solis 8 Joel Lutomiah 12 Ademir Martins 13 Maria Victoria Micieli 14 Christophe Paupy 2 Alongkot Ponlawat 15 Nil Rahola 2 Syed Basit Rasheed 16 Joshua Richardson 1 Amag Saleh 10 Rosa Maria Sanchez-Casas Gonçalo Seixas 17 Carla Sousa 17 Walter Tabachnick 18 Adriana Troyo 19 Jeffrey Powell 1
* Auteur correspondant
1 Yale University [New Haven]
2 MIVEGEC-DEEVA - Diversity, ecology, evolution & Adaptation of arthropod vectors
ESV - Evolution des Systèmes Vectoriels
3 Ministry of Health and Quality of Life
4 Centro de Investigación en Enfermedades Tropicales
5 The University of the West Indies
6 Universidad Nacional de Córdoba [Argentina]
7 WITS - University of the Witwatersrand [Johannesburg]
8 CRISP - Centro Regional de Investigación en Salud Pública = Regional Centre of Research in Public Health [Tapachula, Mexique]
9 CRID - Centre for Research in Infectious Diseases [Yaoundé]
10 KSU - King Saud University [Riyadh]
11 Wadsworth Center
12 KEMRI - Kenya Medical Research Institute
13 FIOCRUZ - Fundação Oswaldo Cruz
14 CEPAVE - Centro de Estudios Parasitologicos y de Vectores [La Plata]
15 AFRIMS - Armed Forces Research Institute of Medical Sciences [Bangkok]
16 University of Peshawar (PAKISTAN)
17 NOVA - Universidade Nova de Lisboa = NOVA University of Lisboa
18 University of Florida [Gainesville]
19 UCR - Universidad de Costa Rica
Abstract : Mosquitoes, especially Aedes aegypti, are becoming important models for studying invasion biology. We characterized genetic variation at 12 microsatellite loci in 79 populations of Ae. aegypti from 30 countries in six continents, and used them to infer historical and modern patterns of invasion. Our results support the two subspecies Ae. aegypti formosus and Ae. aegypti aegypti as genetically distinct units. Ae. aegypti aegypti populations outside Africa are derived from ancestral African populations and are monophyletic. The two subspecies co-occur in both East Africa (Kenya) and West Africa (Senegal). In rural/forest settings (Rabai District of Kenya), the two subspecies remain genetically distinct, whereas in urban settings, they introgress freely. Populations outside Africa are highly genetically structured likely due to a combination of recent founder effects, discrete discontinuous habitats and low migration rates. Ancestral populations in sub-Saharan Africa are less genetically structured, as are the populations in Asia. Introduction of Ae. aegypti to the New World coinciding with trans-Atlantic shipping in the 16th to 18th centuries was followed by its introduction to Asia in the late 19th century from the New World or from now extinct populations in the Mediterranean Basin. Aedes mascarensis is a genetically distinct sister species to Ae. aegypti s.l. This study provides a reference database of genetic diversity that can be used to determine the likely origin of new introductions that occur regularly for this invasive species. The genetic uniqueness of many populations and regions has important implications for attempts to control Ae. aegypti, especially for the methods using genetic modification of populations.
Keywords : Aedes aegypti Aedes mascarensis history invasion microsatellites
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Article dans une revue
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https://hal.umontpellier.fr/hal-02065022
Contributeur : Hal Mivegec <>
Soumis le : mardi 12 mars 2019 - 13:16:00
Dernière modification le : jeudi 10 décembre 2020 - 12:20:05

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UNIV-MONTPELLIER | CNRS | RIIP | AGROPOLIS | B3ESTE

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Andrea Gloria-Soria, Diego Ayala, Ambicadutt Bheecarry, Olger Calderon-Arguedas, Dave Chadee, et al.. Global genetic diversity of Aedes aegypti. Molecular Ecology, Wiley, 2016, 25 (21), pp.5377-5395. ⟨10.1111/mec.13866⟩. ⟨hal-02065022⟩

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