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Please use this identifier to cite or link to this item: http://hdl.handle.net/10198/4396

Título: Glucose respiration and fermentation in Zygosaccharomyces bailii and Saccharomyces cerevisae express different sensitivity patterns to ethanol and acetic acid
Autor: Estevinho, Leticia M.
Côrte-Real, Manuela
Loureiro, Virgílio
Loureiro-Dias, Conceição
Leão, Cecília
Palavras-chave: Saccharomyces cerevisae
Zygosaccharomyces bailii
Issue Date: 1997
Editora: Wiley-Blackwell
Citação: Estevinho, Leticia M.; Côrte-Real, Manuela; Loureiro, Virgilio; Loureiro-Dias, Conceição; Leão, Cecilia (1997) - Glucose respiration and fermentation in Zygosaccharomyces bailii and Saccharomyces cerevisae express different sensitivity patterns to ethanol and acetic acid. Letters in Applied Microbiology. ISSN 0266-8254. 25:4, p. 249-253
Resumo: In the yeast Zygosaccharomyces bailii ISA 1307, respiration and fermentation of glucose were exponentially inhibited by ethanol, both processes displaying similar sensitivity to the alcohol. Moreover, the degree of inhibition on fermentation was of the same magnitude as that reported for Saccharomyces cerevisiae. Acetic acid also inhibited these two metabolic processes in Z. bailii, with the kinetics of inhibition again being exponential. However, inhibition of fermentation was much less pronounced than in S. cerevisiae. The values estimated with Z. bailii for the minimum inhibitory concentration of acetic acid ranged from 100 to 240 mmol 1(-1) total acetic acid compared with values of near zero reported for S. cerevisiae. The inhibitory effects of acetic acid on Z. bailii were not significantly potentiated by ethanol.
Arbitragem científica: yes
URI: http://hdl.handle.net/10198/4396
ISSN: 0266-8254
Versão do Editor: http://onlinelibrary.wiley.com/doi/10.1046/j.1472-765X.1997.00214.x/abstract
Appears in Collections:BB - Artigos em Revistas Indexados ao ISI

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