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Role of efflux in enhancing butanol tolerance of bacteria

M. Vasylkivska, P. Patakova

. 2020 ; 320 (-) : 17-27. [pub] 20200615

Language English Country Netherlands

Document type Journal Article, Review

Persistent link   https://www.medvik.cz/link/bmc21012251

N-butanol, a valued solvent and potential fuel extender, could possibly be produced by fermentation using either native producers, i.e. solventogenic Clostridia, or engineered platform organisms such as Escherichia coli or Pseudomonas species, if the main process obstacle, a low final butanol concentration, could be overcome. A low final concentration of butanol is the result of its high toxicity to production cells. Nevertheless, bacteria have developed several mechanisms to cope with this toxicity and one of them is active butanol efflux. This review presents information about a few well characterized butanol efflux pumps from Gram-negative bacteria (P. putida and E. coli) and summarizes knowledge about putative butanol efflux systems in Gram-positive bacteria.

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