Genetic Diversity and Population Genetics of Mosquitoes (Diptera: Culicidae: Culex spp.) from the Sonoran Desert of North America
The population genetics and phylogenetic relationships of Culex mosquitoes inhabiting the Sonoran Desert region of North America were studied using mitochondrial DNA and microsatellite molecular markers. Phylogenetic analyses of mitochondrial cytochrome c oxidase subunit I (COI) from mosquitoes coll...
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doaj-98a3f4e9289941a2a6b453f8712f1e2f2020-11-25T02:24:29ZengHindawi LimitedThe Scientific World Journal1537-744X2013-01-01201310.1155/2013/724609724609Genetic Diversity and Population Genetics of Mosquitoes (Diptera: Culicidae: Culex spp.) from the Sonoran Desert of North AmericaEdward Pfeiler0Carlos A. Flores-López1Jesús Gerardo Mada-Vélez2Juan Escalante-Verdugo3Therese A. Markow4Centro de Investigación en Alimentación y Desarrollo, A.C., Unidad Guaymas, Apartado Postal 284, 85480 Guaymas, SON, MexicoDepartment of Biology, University of Maryland, College Park, MD 20742, USAInstituto de Seguridad y Servicios Sociales de Los Trabajadores del Estado de Sonora (ISSSTESON), 83000 Hermosillo, SON, MexicoLaboratorio Estatal de Salud Publica, Zona Edificios Federales, Col. Las Quintas, 83260 Hermosillo, SON, MexicoDivision of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USAThe population genetics and phylogenetic relationships of Culex mosquitoes inhabiting the Sonoran Desert region of North America were studied using mitochondrial DNA and microsatellite molecular markers. Phylogenetic analyses of mitochondrial cytochrome c oxidase subunit I (COI) from mosquitoes collected over a wide geographic area, including the Baja California peninsula, and mainland localities in southern Arizona, USA and Sonora, Mexico, showed several well-supported partitions corresponding to Cx. quinquefasciatus, Cx. tarsalis, and two unidentified species, Culex sp. 1 and sp. 2. Culex quinquefasciatus was found at all localities and was the most abundant species collected. Culex tarsalis was collected only at Tucson, Arizona and Guaymas, Sonora. The two unidentified species of Culex were most abundant at Navojoa in southern Sonora. Haplotype and nucleotide diversities in the COI gene segment were substantially lower in Cx. quinquefasciatus compared with the other three species. Analysis of molecular variance revealed little structure among seven populations of Cx. quinquefasciatus, whereas significant structure was found between the two populations of Cx. tarsalis. Evidence for an historical population expansion beginning in the Pleistocene was found for Cx. tarsalis. Possible explanations for the large differences in genetic diversity between Cx. quinquefasciatus and the other species of Culex are presented.http://dx.doi.org/10.1155/2013/724609 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Edward Pfeiler Carlos A. Flores-López Jesús Gerardo Mada-Vélez Juan Escalante-Verdugo Therese A. Markow |
spellingShingle |
Edward Pfeiler Carlos A. Flores-López Jesús Gerardo Mada-Vélez Juan Escalante-Verdugo Therese A. Markow Genetic Diversity and Population Genetics of Mosquitoes (Diptera: Culicidae: Culex spp.) from the Sonoran Desert of North America The Scientific World Journal |
author_facet |
Edward Pfeiler Carlos A. Flores-López Jesús Gerardo Mada-Vélez Juan Escalante-Verdugo Therese A. Markow |
author_sort |
Edward Pfeiler |
title |
Genetic Diversity and Population Genetics of Mosquitoes (Diptera: Culicidae: Culex spp.) from the Sonoran Desert of North America |
title_short |
Genetic Diversity and Population Genetics of Mosquitoes (Diptera: Culicidae: Culex spp.) from the Sonoran Desert of North America |
title_full |
Genetic Diversity and Population Genetics of Mosquitoes (Diptera: Culicidae: Culex spp.) from the Sonoran Desert of North America |
title_fullStr |
Genetic Diversity and Population Genetics of Mosquitoes (Diptera: Culicidae: Culex spp.) from the Sonoran Desert of North America |
title_full_unstemmed |
Genetic Diversity and Population Genetics of Mosquitoes (Diptera: Culicidae: Culex spp.) from the Sonoran Desert of North America |
title_sort |
genetic diversity and population genetics of mosquitoes (diptera: culicidae: culex spp.) from the sonoran desert of north america |
publisher |
Hindawi Limited |
series |
The Scientific World Journal |
issn |
1537-744X |
publishDate |
2013-01-01 |
description |
The population genetics and phylogenetic relationships of Culex mosquitoes inhabiting the Sonoran Desert region of North America were studied using mitochondrial DNA and microsatellite molecular markers. Phylogenetic analyses of mitochondrial cytochrome c oxidase subunit I (COI) from mosquitoes collected over a wide geographic area, including the Baja California peninsula, and mainland localities in southern Arizona, USA and Sonora, Mexico, showed several well-supported partitions corresponding to Cx. quinquefasciatus, Cx. tarsalis, and two unidentified species, Culex sp. 1 and sp. 2. Culex quinquefasciatus was found at all localities and was the most abundant species collected. Culex tarsalis was collected only at Tucson, Arizona and Guaymas, Sonora. The two unidentified species of Culex were most abundant at Navojoa in southern Sonora. Haplotype and nucleotide diversities in the COI gene segment were substantially lower in Cx. quinquefasciatus compared with the other three species. Analysis of molecular variance revealed little structure among seven populations of Cx. quinquefasciatus, whereas significant structure was found between the two populations of Cx. tarsalis. Evidence for an historical population expansion beginning in the Pleistocene was found for Cx. tarsalis. Possible explanations for the large differences in genetic diversity between Cx. quinquefasciatus and the other species of Culex are presented. |
url |
http://dx.doi.org/10.1155/2013/724609 |
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