Revista Thema | 2015 | 12 (01) | 15Resumo: Erythrina crista-galli L. (FABACEAE) é uma árvore nativa do Brasil, Uruguai, Paraguai, leste da Bolívia e Argentina, podendo ser utilizada na arborização e na restauração de ambientes naturais. Não foram encontradas na literatura metodologias para o isolamento de DNA genômico da espécie. O objetivo do trabalho foi testar três protocolos de isolamento de DNA aplicados a folhas secas à temperatura ambiente verificando a quantidade e qualidade do DNA isolado. Folhas secas mostraram constituir boa fonte de material para as avaliações genéticas da espécie estudada, entretanto, novos testes são necessários no sentido de aperfeiçoar os protocolos e solucionar as contaminações por polissacarídeos e polifenóis nas amostras. Palavras-chave: DNA genômico, Folhas, Erythrina;Abstract: Erythrina crista-galli L. (Fabaceae ) is a three native to Brazil, Uruguay, Paraguay, eastern Bolivia and Argentina, can be used in afforestation and restoration of natural environments. We have not found in literature methodologies for the isolation of genomic DNA of the species. The objective was to test three DNA isolation protocols applied to dried leaves at room temperature and checking the quantity and quality of DNA isolated. Dried leaves showed constitute good source of genetic material, however, new tests are needed to improve the protocols to solve contamination by polysaccharides and polyphenols in samples.
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