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US 9,994,877 B2Granted
Yeast cell having acid tolerance, method of preparing yeast cell and use thereof
AssigneeSamsung Electronics Co., Ltd.
InventorsSoonchun Chung, Jinha Kim, Kwangmyung Cho
Life of this patent
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Abstract
Provided are a genetically engineered yeast cell having increased activity of SUL1, STR3, HXT7, ERR1, GRX8, MXR1, GRE1, MRK1, AAD10 or a combination thereof, compared to a parent cell, and also having acid tolerance, a method of preparing the same, and a method of producing lactate using the same.
Claims18
A genetically engineered yeast cell comprising a genetic modification that increases the activity of enolase-related protein 1 (ERR1), as compared to a parent cell thereof;
- and having increased lactic acid tolerance as compared to a parent cell thereof, in which expression of a gene encoding ERR1 is increased compared to a parent cell thereof;
- the ERR1 belongs to EC 4.2.1.11;
- and the genetically engineered yeast cell belongs to the genus Saccharomyces.
Dependencies are inferred from the claim text.