Data/hora: 17/06/2024 07:15:56

Provedor de dados: | 58
País: | Brazil
Título: | Construction of killer industrial yeast Saccharomyces cerevisiae HAU-1 and its fermentation performance
Autores: | Bajaj,Bijender K.; Sharma,S.
Data: | 2010-06-01
Ano: | 2010
Palavras-chave: | Killer yeast; Distillery yeast; Saccharomyces cerevisiae; Molasses; Ethanol fermentation.
Resumo: | Saccharomyces cerevisiae HAU-1, a time tested industrial yeast possesses most of the desirable fermentation characteristics like fast growth and fermentation rate, osmotolerance, high ethanol tolerance, ability to ferment molasses, and to ferment at elevated temperatures etc. However, this yeast was found to be sensitive against the killer strains of Saccharomyces cerevisiae. In the present study, killer trait was introduced into Saccharomyces cerevisiae HAU-1 by protoplast fusion with Saccharomyces cerevisiae MTCC 475, a killer strain. The resultant fusants were characterized for desirable fermentation characteristics. All the technologically important characteristics of distillery yeast Saccharomyces cerevisiae HAU-1 were retained in the fusants, and in addition the killer trait was also introduced into them. Further, the killer activity was found to be stably maintained during hostile conditions of ethanol fermentations in dextrose or molasses, and even during biomass recycling.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822010000200030
Editor: | Sociedade Brasileira de Microbiologia
Relação: | 10.1590/S1517-83822010000200030
Formato: | text/html
Fonte: | Brazilian Journal of Microbiology  v.41 n.2 2010
Fonte: | info:eu-repo/semantics/openAccess