Production of Lactic Acid from Cellobiose and Cellotriose by Lactobacillus delbrueckii Mutant Uc-3 | Zendy

Mukund Adsul | Zendy; J. M. Khire | Zendy; K. B. Bastawde | Zendy; D. V. Gokhale | Zendy

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Production of Lactic Acid from Cellobiose and Cellotriose by Lactobacillus delbrueckii Mutant Uc-3

Author(s) -

Mukund Adsul,

J. M. Khire,

K. B. Bastawde,

D. V. Gokhale

Publication year - 2007

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.00774-07

Subject(s) - cellobiose , lactic acid , lactobacillus , mutant , biochemistry , lactobacillaceae , fermentation , chemistry , bacteria , enzyme , biology , food science , cellulase , gene , genetics

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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