Journal
PROTEIN EXPRESSION AND PURIFICATION
Volume 53, Issue 2, Pages 264-269Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.pep.2006.12.023
Keywords
cold shock; Des promoter; lacZ; htpG; alpha-amylase; penicillin-binding protein
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Production of recombinant proteins at low temperatures is one strategy to prevent formation of protein aggregates and the use of an expensive inducer such as IPTG. We report on the construction of two expression vectors both containing the cold-inducible des promoter of Bacillus subtilis, where one allows intra- and the other extracellular synthesis of recombinant proteins. Production of recombinant proteins started within the first 30 min after temperature downshock to 25 degrees C and continued for about 5 h. (C) 2007 Elsevier Inc. All rights reserved.
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