Reference: Zhang M, et al. (2023) Comparative metabolomic and transcriptomic analysis of Saccharomyces cerevisiae W303a and CEN.PK2-1C. World J Microbiol Biotechnol 39(11):298

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Abstract


Saccharomyces cerevisiae is a health microorganism closely related to human life, especially in food and pharmaceutical industries. S. cerevisiae W303a and CEN.PK2-1C are two commonly used strains for synthetic biology-based natural product production. Yet, the metabolomic and transcriptomic differences between these two strains have not been compared. In this study, metabolomics and transcriptomics were applied to analyze the differential metabolites and differential expression genes (DEGs) between W303a and CEN.PK2-1C cultured in YPD and SD media. The growth rate of W303a in YPD medium was the lowest compared with other groups. When cultured in YPD medium, CEN.PK2-1C produced more phenylalanine than W303a; when cultured in SD medium, W303a produced more phospholipids than CEN.PK2-1C. Transcriptomic analysis revealed that 19 out of 22 genes in glycolysis pathway were expressed at higher levels in CEN.PK2-1C than that in W303a no matter which media were used, and three key genes related to phenylalanine biosynthesis including ARO9, ARO7 and PHA2 were up-regulated in CEN.PK2-1C compared with W303a when cultured in YPD medium, whereas seven DEGs associated with phospholipid biosynthesis were up-regulated in W303a compared with CEN.PK2-1C when cultured in SD medium. The high phenylalanine produced by CEN.PK2-1C and high phospholipids produced by W303a indicated that CEN.PK2-1C may be more suitable for synthesis of natural products with phenylalanine as precursor, whereas W303a may be more appropriate for synthesis of phospholipid metabolites. This finding provides primary information for strain selection between W303a and CEN.PK2-1C for synthetic biology-based natural product production.

Reference Type
Journal Article
Authors
Zhang M, Zhang J, Hou M, Zhao S
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