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Functional pyruvate...
Functional pyruvate formate lyase pathway expressed with two different electron donors in Saccharomyces cerevisiae at aerobic growth
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- Zhang, Yiming, 1986 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Dai, Zongijie, 1986 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Krivoruchko, Anastasia, 1984 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Chen, Yun, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Siewers, Verena, 1976 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Nielsen, Jens B, 1962 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2015-05-15
- 2015
- English.
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In: FEMS Yeast Research. - : Oxford University Press (OUP). - 1567-1356 .- 1567-1364. ; 15:4
- Related links:
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http://dx.doi.org/10...
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https://academic.oup...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Pyruvate formate lyase (PFL) is characterized as an enzyme functional at anaerobic conditions, since the radical in the enzyme's active form is sensitive to oxygen. In this study, PFL and its activating enzyme from Escherichia coli were expressed in a Saccharomyces cerevisiae strain lacking pyruvate decarboxylase and having a reduced glucose uptake rate due to a mutation in the transcriptional regulator Mth1, IMI076 (Pdc-MTH1-Delta T ura3-52). PFL was expressed with two different electron donors, reduced ferredoxin or reduced flavodoxin, respectively, and it was found that the coexpression of either of these electron donors had a positive effect on growth under aerobic conditions, indicating increased activity of PFL. The positive effect on growth was manifested as a higher final biomass concentration and a significant increase in transcription of formate dehydrogenases. Among the two electron donors reduced flavodoxin was found to be a better electron donor than reduced ferredoxin.
Subject headings
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
Keyword
- ferredoxin/flavodoxin NADP(+) reductase
- ferredoxin
- metabolic engineering
- flavodoxin
- aerobic growth
- yeast
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Zhang, Yiming, 1 ...
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Dai, Zongijie, 1 ...
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Krivoruchko, Ana ...
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Chen, Yun, 1978
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Siewers, Verena, ...
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Nielsen, Jens B, ...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Microbiology
- Articles in the publication
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FEMS Yeast Resea ...
- By the university
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Chalmers University of Technology