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A temperature-sensitive osmophilic mutant ofZygosaccharomyces rouxii

✍ Scribed by S. Yoshikawa; Y. Togawa; N. Mitsui; K. Chikara; G. Taguchi; M. Shimosaka; M. Okazaki

Publisher
Springer Netherlands
Year
1996
Tongue
English
Weight
234 KB
Volume
18
Category
Article
ISSN
0141-5492

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✦ Synopsis

A temperature-sensitive osmophilic mutant of Zygosaccharomyces rouxii, OS15, was isolated, which required high salt or sugar concentration for growth above 30Β°C. Cell viability at 35"C in the presence of NaC1 was higher than in the absence of NaCI, and a survival ratio of the mutant cells after incubation at 55"C was also higher in the presence of NaCI than NaCl-free condition. Furthermore, resistance to UV light, hygromycin B and geneticin was improved in the presence of NaC1. There was no difference between the parent and the mutant in fatty acid saturation and microscopic cell shape under NaCI condition.

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