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Chinese Journal of Biotechnology ; (12): 1619-1636, 2021.
Article in Chinese | WPRIM | ID: wpr-878658


As a typical food safety industrial model strain, Bacillus subtilis has been widely used in the field of metabolic engineering due to its non-pathogenicity, strong ability of extracellular protein secretion and no obvious codon preference. In recent years, with the rapid development of molecular biology and genetic engineering technology, a variety of research strategies and tools have been used to construct B. subtilis chassis cells for efficient synthesis of biological products. This review introduces the research progress of B. subtilis from the aspects of promoter engineering, gene editing, genetic circuit, cofactor engineering and pathway enzyme assembly. Then, we also summarized the application of B. subtilis in the production of biological products. Finally, the future research directions of B. subtilis are prospected.

Bacillus subtilis/genetics , Bacterial Proteins/genetics , Gene Editing , Metabolic Engineering , Promoter Regions, Genetic
Chinese Journal of Biotechnology ; (12): 860-873, 2021.
Article in Chinese | WPRIM | ID: wpr-878601


Genome-scale metabolic network model (GSMM) is an extremely important guiding tool in the targeted modification of industrial microbial strains, which helps researchers to quickly obtain industrial microbes with specific traits and has attracted increasing attention. Here we reviewe the development history of GSMM and summarized the construction method of GSMM. Furthermore, the development and application of GSMM in industrial microorganisms are elaborated by using four typical industrial microorganisms (Bacillus subtilis, Escherichia coli, Corynebacterium glutamicum, and Saccharomyces cerevisiae) as examples. In addition, prospects in the development trend of GSMM are proposed.

Corynebacterium glutamicum/genetics , Escherichia coli/genetics , Metabolic Engineering , Metabolic Networks and Pathways/genetics