4.7 Review

Charting the landscape of RNA polymerases to unleash their potential in strain improvement

期刊

BIOTECHNOLOGY ADVANCES
卷 54, 期 -, 页码 -

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biotechadv.2021.107792

关键词

RNA polymerase; Sigma factor; Strain improvement; Metabolic engineering; Synthetic biology

资金

  1. National Key Research and Development Program of China [2018YFA0901800]
  2. Hebei Project for the Development of Science and Technology Guided by Central Universities [206Z2902G]

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This review highlights the potential of RNA polymerases in metabolic engineering and synthetic biology.
One major mission of microbial cell factory is overproduction of desired chemicals. To this end, it is necessary to orchestrate enzymes that affect metabolic fluxes. However, only modification of a small number of enzymes in most cases cannot maximize desired metabolites, and global regulation is required. Of myriad enzymes influencing global regulation, RNA polymerase (RNAP) may be the most versatile enzyme in biological realm because it not only serves as the workhorse of central dogma but also participates in a plethora of biochemical events. In fact, recent years have witnessed extensive exploitation of RNAPs for phenotypic engineering. While a few impressive reviews showcase the structures and functionalities of RNAPs, this review not only summarizes the state-of-the-art advance in the structures of RNAPs but also points out their enormous potentials in metabolic engineering and synthetic biology. This review aims to provide valuable insights for strain improvement.

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