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. 2007 Dec 1;132(4):426-30.
doi: 10.1016/j.jbiotec.2007.07.494. Epub 2007 Jul 10.

A sucrose-inducible promoter system for the intra- and extracellular protein production in Bacillus megaterium

Rebekka Biedendieck  1 , Martin Gamer, Lothar Jaensch, Steffen Meyer, Manfred Rohde, Wolf-Dieter Deckwer, Dieter Jahn
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A sucrose-inducible promoter system for the intra- and extracellular protein production in Bacillus megaterium

Rebekka Biedendieck et al. J Biotechnol. .

Abstract

A sucrose-inducible promoter system (P(sacB)) from Bacillus megaterium was identified using a secretome approach. It was successfully employed for the extracellular production of the homologous levansucrase SacB (4252.4 U l(-1)) and the heterologous green fluorescent protein GFP (7.9 mg g(CDW)(-1)). Mutational analysis of B. megaterium P(sacB) allowed the identification of important promoter elements. The sucrose-inducible promoter provides a useful alternative to the established xylose-inducible promoter system (P(xylA)) for recombinant gene expression in B. megaterium.

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