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Effects of MIG1, TUP1 and SSN6 deletion on maltose metabolism and leavening ability of baker’s yeast in lean dough

Overview of attention for article published in Microbial Cell Factories, July 2014
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Title
Effects of MIG1, TUP1 and SSN6 deletion on maltose metabolism and leavening ability of baker’s yeast in lean dough
Published in
Microbial Cell Factories, July 2014
DOI 10.1186/s12934-014-0093-4
Pubmed ID
Authors

Xue Lin, Cui-Ying Zhang, Xiao-Wen Bai, Hai-Yan Song, Dong-Guang Xiao

Abstract

BackgroundGlucose repression is a global regulatory system in baker¿s yeast. Maltose metabolism in baker¿s yeast strains is negatively influenced by glucose, thereby affecting metabolite productivity (leavening ability in lean dough). Even if the general repression system constituted by MIG1, TUP1 and SSN6 factors has already been reported, the functions of these three genes in maltose metabolism remain unclear. In this work, we explored the effects of MIG1 and/or TUP1 and/or SSN6 deletion on the alleviation of glucose-repression to promote maltose metabolism and leavening ability of baker¿s yeast.ResultsResults strongly suggest that the deletion of MIG1 and/or TUP1 and/or SSN6 can exert various effects on glucose repression for maltose metabolism. The deletion of TUP1 was negative for glucose derepression to facilitate the maltose metabolism. By contrast, the deletion of MIG1 and/or SSN6, rather than other double-gene or triple-gene mutations could partly relieve glucose repression, thereby promoting maltose metabolism and the leavening ability of baker¿s yeast in lean dough.ConclusionsThe mutants of industrial baker¿s yeast with enhanced maltose metabolism and leavening ability in lean dough were developed by genetic engineering. These baker¿s yeast strains had excellent potential industrial applications.

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Mendeley readers

The data shown below were compiled from readership statistics for 20 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Canada 1 5%
Unknown 19 95%

Demographic breakdown

Readers by professional status Count As %
Researcher 6 30%
Student > Ph. D. Student 6 30%
Student > Master 4 20%
Student > Doctoral Student 1 5%
Lecturer 1 5%
Other 0 0%
Unknown 2 10%
Readers by discipline Count As %
Agricultural and Biological Sciences 13 65%
Biochemistry, Genetics and Molecular Biology 2 10%
Nursing and Health Professions 1 5%
Pharmacology, Toxicology and Pharmaceutical Science 1 5%
Unknown 3 15%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 06 July 2014.
All research outputs
#3,181,309
of 3,980,912 outputs
Outputs from Microbial Cell Factories
#171
of 259 outputs
Outputs of similar age
#78,847
of 99,622 outputs
Outputs of similar age from Microbial Cell Factories
#12
of 17 outputs
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