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Alcohol dehydrogena...
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Schifferdecker, AnnaLund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Molecular Cell Biology,Department of Biology,Faculty of Science
(author)
Alcohol dehydrogenase gene ADH3 activates glucose alcoholic fermentation in genetically engineered Dekkera bruxellensis yeast.
- Article/chapterEnglish2016
Publisher, publication year, extent ...
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2016-01-08
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Springer Science and Business Media LLC,2016
Numbers
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LIBRIS-ID:oai:lup.lub.lu.se:4f1d319c-b2ce-4a09-8c19-96b4bc1b6c08
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https://lup.lub.lu.se/record/8592729URI
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https://doi.org/10.1007/s00253-015-7266-xDOI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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Dekkera bruxellensis is a non-conventional Crabtree-positive yeast with a good ethanol production capability. Compared to Saccharomyces cerevisiae, its tolerance to acidic pH and its utilization of alternative carbon sources make it a promising organism for producing biofuel. In this study, we developed an auxotrophic transformation system and an expression vector, which enabled the manipulation of D. bruxellensis, thereby improving its fermentative performance. Its gene ADH3, coding for alcohol dehydrogenase, was cloned and overexpressed under the control of the strong and constitutive promoter TEF1. Our recombinant D. bruxellensis strain displayed 1.4 and 1.7 times faster specific glucose consumption rate during aerobic and anaerobic glucose fermentations, respectively; it yielded 1.2 times and 1.5 times more ethanol than did the parental strain under aerobic and anaerobic conditions, respectively. The overexpression of ADH3 in D. bruxellensis also reduced the inhibition of fermentation by anaerobiosis, the "Custer effect". Thus, the fermentative capacity of D. bruxellensis could be further improved by metabolic engineering.
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Siurkas, Juozas
(author)
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Andersen, Mikael Rørdam
(author)
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Joerck-Ramberg, Dorte
(author)
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Ling, Zhihao
(author)
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Zhou, NerveLund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Molecular Cell Biology,Department of Biology,Faculty of Science(Swepub:lu)biol-znr
(author)
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Blevins, James E
(author)
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Sibirny, Andriy A
(author)
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Piskur, JureLund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Molecular Cell Biology,Department of Biology,Faculty of Science(Swepub:lu)cob-jpi
(author)
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Ishchuk, OlenaLund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Molecular Cell Biology,Department of Biology,Faculty of Science(Swepub:lu)cob-oik
(author)
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Molekylär cellbiologiBiologiska institutionen
(creator_code:org_t)
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In:Applied Microbiology and Biotechnology: Springer Science and Business Media LLC1432-06140175-7598
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