Abstract
A shuttle expression vector containing the thiostrepton-inducible Streptomyces lividans promoter, ptipA, and the origin of transfer from plasmid RP4 was constructed. Cassettes containing a promoterless xylE gene upstream from a hyg gene were used to demonstrate thiostrepton-inducible expression from ptipA in both S. lividans and Streptomyces ambofaciens, ptipA was estimated to be induced 60-fold or more in Streptomyces ambofaciens.
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