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Yeast communities and genetic polymorphism of Saccharomyces cerevisiae strains associated with artisanal fermentation in Brazil.
Pataro, C; Guerra, J B; Petrillo-Peixoto, M L; Mendonça-Hagler, L C; Linardi, V R; Rosa, C A.
Afiliação
  • Pataro C; Departamento de Microbiologia, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Rio de Janeiro, Brazil.
J Appl Microbiol ; 89(1): 24-31, 2000 Jul.
Article em En | MEDLINE | ID: mdl-10945775
Yeast communities and genetic polymorphism of prevalent Saccharomyces cerevisiae strains isolated from the spontaneous fermentation of the sugarcane juice during the production of aguardente in three distilleries in the state of Minas Gerais, Brazil, were studied. S. cerevisiae was the prevalent species during the process of aguardente production, but Schizosaccharomyces pombe was predominant in old fermentations in one distillery. Transient yeast species were found in a variable number, probably due to the daily addition of sugarcane juice, and they were different for each of the three distilleries studied. PFGE and PCR analysis of the predominant strains of S. cerevisiae isolated from the fermented must showed a high degree of genetic polymorphism among the three distilleries. A high molecular variability of S. cerevisae strains was also observed among strains isolated from the same vat at different fermentation ages. Our results showed that there was a succession of geneticly different strains of S. cerevisae during the process of aguardente production.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Polimorfismo Genético / Saccharomyces cerevisiae / Leveduras / Bebidas Alcoólicas Tipo de estudo: Risk_factors_studies País/Região como assunto: America do sul / Brasil Idioma: En Revista: J Appl Microbiol Assunto da revista: MICROBIOLOGIA Ano de publicação: 2000 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Polimorfismo Genético / Saccharomyces cerevisiae / Leveduras / Bebidas Alcoólicas Tipo de estudo: Risk_factors_studies País/Região como assunto: America do sul / Brasil Idioma: En Revista: J Appl Microbiol Assunto da revista: MICROBIOLOGIA Ano de publicação: 2000 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido