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Anais Brasileiros de Dermatologia

On-line version ISSN 1806-4841

Abstract

ROSELINO, Ana Maria. Molecular biology in tropical dermatoses. An. Bras. Dermatol. [online]. 2008, vol.83, n.3, pp. 187-203. ISSN 1806-4841.  http://dx.doi.org/10.1590/S0365-05962008000300002.

Initially, basic concepts are presented concerning the cell, genetic code and protein synthesis, and some techniques of molecular biology, such as PCR, PCR-RFLP, DNA sequencing, RT-PCR and immunoblotting. Protocols of nucleotides and of proteins extraction are supplied, such as salting out in peripheral blood allied to phenol-chloroform and trizol methods in skin samples. To proceed, commented examples of application of those techniques of molecular biology for the etiologic diagnosis and for research in tropical dermatoses, with emphasis to American tegumentary leishmaniasis and leprosy are presented.

Keywords : Leishmaniasis; Leishmaniasis, mucocutaneous [diagnose]; Leprosy; Leprosy [diagnose]; Molecular biology; biology [methods]; Polymerase chain reaction; Polymorphism,genetic.

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