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Chang Wang
Chang Wang

Public Documents 1
Characterization of the endogenous promoters in Yarrowia lipolytica for the biomanufa...
Chang Wang
Xueyao Lu

Chang Wang

and 7 more

September 02, 2022
Yarrowia lipolytica, an oleaginous yeast with the GRAS status, has been developed as a platform for the chemical production. Specifically, promoter engineering is an important approach to regulating gene expression at the transcriptional level, which is of great significance in constructing microbial cell factories. Until now, some work on the promoter study has been carried out in Y. lipolytica. However, compared with other microorganisms, such as Saccharomyces cerevisiae, Bacillus subtilis, and etc., obtained achievements still need further replenishment and development for Y. lipolytica. For this, we screened 81 endogenous promoters in Y. lipolytica, mainly involved in carbon metabolism, amino acid metabolism, and lipid metabolism. As a result, we obtained 15 strong promoters, 41 medium strength promoters, and 25 weak promoters, with the strength spanning from 0.06% to 1.60-fold of PTEF promoter. In general, our study provides a unique and available endogenous promoter library for Y. lipolytica.

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