Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/66614
Type: Artigo de periódico
Title: Extreme mitochondrial DNA variability and lack of genetic structure in populations of Dermatobia hominis (Diptera : Cuterebridae) from Brazil
Author: Geurgas, SR
Infante-Malachias, ME
Azeredo-Espin, AML
Abstract: Restriction fragment-length polymorphism analysis of mitochondrial DNA (mtDNA) was used to characterize the genetic variation and population structure of the human bot fly, Dermatobia hominis (Diptera: Cuterebridae), in parasite populations from cattle in southeastern, southern and central regions of Brazil. Forty-eight haplotypes with a nucleotide sequence divergence of 2.75% were found among 227 individuals. Haplotypes could be divided into three clades, with interclade variation ranging from 0.94% to 2.00%. The degree of differentiation obtained suggests that the mitochondrial clades may have differentiated in allopatry, and that their contemporary pattern of distribution probably results from secondary contact of isolated populations, reinforced by the introduction and movement of livestock in South America.
Subject: Diptera
Dermatobia hominis
restriction fragment-length polymorphism
mitochondrial DNA
genetic structure
variability
Country: EUA
Editor: Entomological Soc Amer
Rights: embargo
Identifier DOI: 10.1603/0013-8746(2000)093[1085:EMDVAL]2.0.CO;2
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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