Saccharomyces Yeast Cells Grown at Elevated Temperatures Are Susceptible to Autolysis(Microbiology & Fermentation Industry)

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概要

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• Saccharomyces cerevisiae was able to grow at elevated temperatures (36, 38, and 40℃) in conventional cane molasses medium containing 25% cane molasses (10% as sugar) although growth was depressed with increasing temperature. Upon incubation of these cells in water at 45℃, autolysis occurred without organic solvents such as ethyl acetate and toluene, which were required for appreciable autolysis of cells grown at 30℃. Few cellular materials were released from these cells during cultivation at elevated temperatures. Reflecting this fact, electron microscopic analysis showed no detectable changes in either cell wall or cellular membranes including the plasma membrane in 40℃-grown cells. Such potential activity of autolysis in cells was increased with the increase in cultivation temperature in the above range. However, taking into account growth yield, the autolytic activity per unit volume of culture was much higher in 36℃ or 38℃-grown culture than in 40℃-grown culture.

• 社団法人日本農芸化学会の論文
• 1991-11-23

著者

• Yamamura Midori

  Department Of Industrial Chemistry Faculty Of Engineering Kyoto University

• Kamihara Teijiro

  Department of Synthetic Chemistry and Biological Chemistry, Faculty of Engineering, Kyoto University

• Takeo Kanji

  Division Of Phylogenesis Of Pathogenic Fungi Research Center For Pathogenic Fungi And Microbial Toxi

• Kamihara Teijiro

  Department Of Industrial Chemistry Faculty Of Engineering Kyoto University

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• Formation of Acetate upon Heating Glucose Solution in Alkali : Identification of One of the Growth-promoting Factors for Streptococcus faecalis in Thermal Degradation Products of Glucose
• Saccharomyces Yeast Cells Grown at Elevated Temperatures Are Susceptible to Autolysis(Microbiology & Fermentation Industry)

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