Molecular differentiation in natural populations of Anopheles oswaldoi sensu lato (Diptera: Culicidae) from the Brazilian Amazon, using sequences of the COI gene from mitochondrial DNA.

Molecular differentiation in natural populations of Anopheles oswaldoi sensu lato (Diptera: Culicidae) from the Brazilian Amazon, using sequences of the COI gene from mitochondrial DNA. Research Abstract Details 

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Molecular differentiation in natural populations of Anopheles oswaldoi sensu lato (Diptera: Culicidae) from the Brazilian Amazon, using sequences of the COI gene from mitochondrial DNA. Abstract Text:

V M Scarpassa,J E Conn,

Anopheles (Nyssorhynchus) oswaldoi (Peryassú, 1922) s. l., which has been incriminated as a potential human malaria vector in Western Brazilian Amazon, may constitute a cryptic species complex. However, the most recent study with isozymes indicated high similarity among samples from the States of Acre, Amazonas and Rondônia in the Brazilian Amazon. In the present study, 45 individuals were sequenced from Sena Madureira (State of Acre), Coari (State of Amazonas), São Miguel (State of Rondônia), and Moju (State of Pará), using the cytochrome oxidase I gene from mitochondrial DNA. Twenty-five haplotypes were identified in the four localities, and no haplotype was shared among them. The lowest haplotype number was detected in the Coari sample. The dendrogram based on maximum parsimony analysis yielded four groups: I) haplotypes 1, 2, 3, 4, and 5 from Sena Madureira and haplotypes 17 and 18 from São Miguel; II) haplotypes 13 to 16 and 19 to 22 from São Miguel; III) haplotypes 23 to 25 from Moju, and IV) haplotypes 6 to 9 from Sena Madureira and haplotypes 10 to 12 from Coari. The genetic distance (uncorrected p) obtained among the four groups ranged from 0.08 to 5.3%, whereas the highest values (4.97 to 5.3%) were found between groups I (Sena Madureira) and III (Moju). Based on male genitalia identification, it was suggested that group I may be A. oswaldoi s. s. whereas group IV may be A. konderi. Groups II and III could constitute other lineages or species within A. oswaldoi s. l., whose taxonomic status remains to be clarified. These results suggest that additional studies are necessary using samples of A. oswaldoi s. l. from a larger geographic area.

Molecular differentiation in natural populations of Anopheles oswaldoi sensu lato (Diptera: Culicidae) from the Brazilian Amazon, using sequences of the COI gene from mitochondrial DNA. Publishing Authors By Initials

VM Scarpassa,JE Conn,

For similar genetic phenomena: variation (genetics) research abstracts see: genetic phenomena: variation (genetics) research

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Molecular differentiation in natural populations of Anopheles oswaldoi sensu lato (Diptera: Culicidae) from the Brazilian Amazon, using sequences of the COI gene from mitochondrial DNA. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Genetics and molecular research : GMR

VOLUME: 5

Page Numbers: 493-502

Journal Abbreviation: Genet. Mol. Res.

ISSN: 1676-5680

DAY: 31

MONTH: 08

YEAR: 2006

Molecular differentiation in natural populations of Anopheles oswaldoi sensu lato (Diptera: Culicidae) from the Brazilian Amazon, using sequences of the COI gene from mitochondrial DNA. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 101169387

Molecular differentiation in natural populations of Anopheles oswaldoi sensu lato (Diptera: Culicidae) from the Brazilian Amazon, using sequences of the COI gene from mitochondrial DNA. Keywords Mesh Terms:

KEYWORDS: Variation (Genetics)

MESH TERMS: genetics

Chemical & Substance for Abstract: Molecular differentiation in natural populations of Anopheles oswaldoi sensu lato (Diptera: Culicidae) from the Brazilian Amazon, using sequences of the COI gene from mitochondrial DNA. Information

Substance Name: Electron Transport Complex IV

Registry Number: EC 1.9.3.1

Grant and Affiliation Information for Molecular differentiation in natural populations of Anopheles oswaldoi sensu lato (Diptera: Culicidae) from the Brazilian Amazon, using sequences of the COI gene from mitochondrial DNA.

AFFILIATION: Instituto Nacional de Pesquisas da Amazônia, Manaus, AM, Brasil. vera@inpa.gov.br

Country: Brazil

AGENCY: United States NIAID

GRANT: AI R01 54139

ACRONYM: AI

MEDLINETA: Genet Mol Res

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