Method for enhancing extracellular secretion of recombinant proteins in Escherichia coli by co-expressing Thermobifida fusca cutinase
The present invention provides a method of increasing extracellular secretion of secretory proteins by co-expressing the secretory proteins with a mature cutinase. Cutinase can improve the permeability of E. coli cell membrane without destroying the membrane, and thus facilitate cross-membrane transfer of the secretory proteins co-expressed in E. coli. Increased extracellular secretion of target proteins can shorten cell culture time, reduce the formation of inclusion bodies and increase production of target proteins.
Jiangnan University
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Lingqia Jian Jing
Su Chen Wu