期刊
APPLIED AND ENVIRONMENTAL MICROBIOLOGY
卷 73, 期 15, 页码 5055-5057出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/AEM.00774-07
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Lactobacillus delbrueckii mutant Uc-3 utilizes both cellobiose and cellotriose efficiently, converting it into L(+) lactic acid. The enzyme activities of cellobiose and cellotriose utilization were determined for cell extracts, whole cells, and disrupted cells. Aryl-beta-glucosidase activity was detected only for whole cells and disrupted cells, suggesting that these activities are cell bound. The mutant produced 90 g/liter of lactic acid from 100 g/liter of cellobiose with 2.25 g/liter/h productivity.
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