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The present work was made to determine the suitability of RAPD analysis for the identification of specimens of two subspecies of South American rattlesnakes (Crotalus durissus terrificus and Crotalus durissus collilineatus). The 11 arbitrary primer sequence tested amplified a total of 161 bands, of which 31% were polymorphics when compared with Crotalus specimens. The combining results from different primers allowed the identification of all the specimens under analysis. Several characteristic bands of each subspecies were identified. Dendrogram, based on RAPD markers, show three groups that corresponded to the subspecies of Crotalus, and to Bothrops jararaca specimen. O presente trabalho foi desenvolvido visando determinar a aplicabilidade da análise de RAPD na identificação de indivíduos pertencentes a duas sub-espécies de cascavéis sul-americanas (Crotalus durissus terrificus e Crotalus durissus collilineatus). As 11 sequências arbitrárias inicializadoras testadas nestes experimentos, amplificaram um total de 161 bandas, das quais 31% foram polimórficas na comparação entre espécimes de Cratalus. Os resultados combinados obtidos com as distintas sequências inicializadoras, permitiram a identificação de todos os indivíduos avaliados. Várias bandas características de cada sub-espécie foram identificadas. O dendrogama, baseado em marcaodres de RAPD, mostra tres grupos que correspondem às duas sub-espécies de Crotalus e ao especimen de Bothrops jararaca

brazilian archives of biology and technology

Random amplified polymorphisms between two South American subspecies of rattlesnakes (Crotalus durissus collilineatus and Crotalus durissus terrificus)