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Xylose fermentation to ethanol by new Galactomyces geotrichum and Candida akabanensis strains.
Valinhas, Raquel V; Pantoja, Lílian A; Maia, Ana Carolina F; Miguel, Maria Gabriela C P; Vanzela, Ana Paula F C; Nelson, David L; Santos, Alexandre S.
Afiliação
  • Valinhas RV; Graduate Program of Biofuels, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.
  • Pantoja LA; Science and Technology Institute, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.
  • Maia ACF; Department of Pharmacy, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.
  • Miguel MGCP; Department of Biology, Universidade Federal de Lavras, Lavras, Minas Gerais, Brazil.
  • Vanzela APFC; Department of Pharmacy, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.
  • Nelson DL; Graduate Program of Biofuels, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.
  • Santos AS; Department of Basic Sciences, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.
PeerJ ; 6: e4673, 2018.
Article em En | MEDLINE | ID: mdl-29719736
The conversion of pentoses into ethanol remains a challenge and could increase the supply of second-generation biofuels. This study sought to isolate naturally occurring yeasts from plant biomass and determine their capabilities for transforming xylose into ethanol. Three yeast strains with the ability to ferment xylose were isolated from pepper, tomato and sugarcane bagasse. The strains selected were characterized by morphological and auxanographic assays, and they were identified by homology analysis of 5.8 S and 26 S ribosomal RNA gene sequences. The identities of two lineages of microrganism were associated with Galactomyces geotrichum, and the other was associated with Candida akabanensis. Fermentative processes were conducted with liquid media containing only xylose as the carbon source. YP/S values for the production of ethanol ranging between 0.29 and 0.35 g g-1 were observed under non-optimized conditions.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: PeerJ Ano de publicação: 2018 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: PeerJ Ano de publicação: 2018 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos