Polyacrylamide gel electrophoresis as a tool for the taxonomic identification of snakes from the elapidae and viperidae families



Document title: Polyacrylamide gel electrophoresis as a tool for the taxonomic identification of snakes from the elapidae and viperidae families
Journal: The journal of venomous animals and toxins
Database: PERIÓDICA
System number: 000298618
ISSN: 0104-7930
Authors: 1

2
3
Institutions: 1Universidade de Sao Paulo, Faculdade de Medicina, Ribeirao Preto, Sao Paulo. Brasil
2Universidade Estadual Paulista "Julio de Mesquita Filho", Departamento de Fisica e Biofisica, Botucatu, Sao Paulo. Brasil
3Universidade Estadual Paulista "Julio de Mesquita Filho", Centro de Estudos de Venenos e Animais Peconhentos, Botucatu, Sao Paulo. Brasil
Year:
Volumen: 4
Number: 2
Pages: 137-142
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Experimental, aplicado
English abstract Polyacrylamide gel electrophoresis (PAGE) for basic proteins may be a useful tool for the characterization of whole snake venoms and for the taxonomic classification of snakes of the Elapidae and Viperidae families. However, due to the close proximity of molecular weights among toxins bearing different net charges, sodium dodecyl sulfate (SDS) - PAGE was not able to provide an efficient differentiation. This article reports the electrophoretic analysis of several venoms from the genera Micrurus, Bothrops, Bothriopsis, Crotalus and Lachesis and shows a typical and distinctive electrophoretic profile for each species, with intraspecific and geographic variations. Even in cases in which extreme morphological similarities were present, such as between B. jararacussu and B. pirajai ("Bahia jararacuçu"), differentiation could be evidenced by PAGE. This simple and sensitive procedure may be applied to similar cases involving basic toxins
Disciplines: Biología
Keyword: Taxonomía y sistemática,
Reptiles,
Quimiotaxonomía,
Veneno de víbora,
Toxinas,
Electroforesis en gel de poliacrilamida,
Elapidae,
Viperidae
Keyword: Biology,
Taxonomy and systematics,
Reptiles,
Chemotaxonomy,
Snake venom,
Toxins,
Polyacrylamide gel electrophoresis,
Elapidae,
Viperidae
Full text: Texto completo (Ver HTML)