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Ethanol reassimilation and ethanol tolerance in Pitchia stipitis CBS 6054 as studied by [sup 13]C nuclear magnetic resonance spectroscopy

Journal Article · · Applied and Environmental Microbiology; (United States)
OSTI ID:7159709
Ethanol reassimilation in Pichia stipitis CBS 6054 was studied by using continuous cultures, and the oxidation of [1-[sup 13]C] ethanol was monitored by in vivo and in vitro [sup 13]C nuclear magnetic resonance spectroscopy. Acetate was formed when ethanol was reassimilated. The ATP/ADP ratio and the carbon dioxide production decreased, whereas the malate dehydrogenase activity increased, in ethanol-reassimilating cells. The results are discussed in terms of the low ethanol tolerance in P. stipitis compared with that in Saccharomyces cerevisiae.
OSTI ID:
7159709
Journal Information:
Applied and Environmental Microbiology; (United States), Journal Name: Applied and Environmental Microbiology; (United States) Vol. 58:8; ISSN AEMIDF; ISSN 0099-2240
Country of Publication:
United States
Language:
English