Title:	Differentiation and genetic variability in natural populations of Anopheles (N.) triannulatus (Neiva & Pinto, 1922) of Brazilian Amazonia.
Authors:	Santos, Joselita Maria M. Maia, Juracy de Freitas Tadei, Wanderli Pedro
Keywords:	Isoenzyme Allele Animal Anopheles Brazil Classification Enzymology Genetic polymorphism Genetic Variability Genetics Species difference Alleles Animals Anopheles Brazil Isoenzymes Polymorphism Genetic Species specificity Variation (genetics)
Issue Date:	2004
metadata.dc.publisher.journal:	Revista Brasileira de Biologia
metadata.dc.relation.ispartof:	Volume 64, Número 2, Pags. 327-336
metadata.dc.description.resumo:	Populations of Anopheles triannulatus from Macapá (AP), Aripuanã (MT), Ji-Paraná (RO), and Manaus-Janauari Lake (AM) were studied using 16 enzymatic loci. The results of the isozyme analysis showed that the population of Macapá presented higher polymorphism (56.3%). The lowest variability was observed in the population of Manaus (p = 25.0; Ho = 0.077 +/- 0.046). The results of Wright's F statistics showed unbalance due to excess of homozygotes (F(is) > F(st)), denoting a certain intrapopulational differentiation. Although the populations are genetically very close (D = 0.003-0.052), the dendrogram separates the populations in two groups: Macapá separated from that of Manaus, Ji-Paraná, and Aripuanã. This result may suggest a reduction in the genic flow, which possibly had some influence in the substructuration of the populations.
metadata.dc.identifier.doi:	10.1590/S1519-69842004000200019
Appears in Collections:	Artigos

This item is licensed under a Creative Commons License