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A lantibiotic gene cluster was identified in Bacillus subtilis A1/3 showing a high degree of homology to the subtilin gene cluster and occupying the same genetic locus as the spa genes in B. subtilis ATCC 6633. The gene cluster exhibits diversity with respect to duplication of two subtilin-like genes which are separated by a sequence similar to a portion of(More)
BACKGROUND Bacillus subtilis strains produce a broad spectrum of lipopeptides that are potent biosurfactants and have specific antimicrobial and antiviral activities. The cyclic lipodecapeptide fengycin is one such compound. Although the fengycin biosynthetic genes in B. subtilis 168 (pps genes) and F29-3 (fen genes) have been well characterized, only(More)
The adaptation and application of theEscherichia coli T7 RNA polymerase system for regulated and promoter-specific gene expression inBacillus subtilis is reported. The expression cassette used inBacillus subtilis was tightly regulated and T7 RNA polymerase (T7 RNAP) appeared 30 min after induction. The efficiency of T7 promoter-specific gene expression inB.(More)
A series of 33 single and mosaic hybrid alpha-amylases was constructed from the genes amyBA or amyLI, encoding the alpha-amylases from Bacillus amyloliquefaciens (AmyBA) and Bacillus licheniformis (AmyLI). The hybrid proteins, consisting of the entire alpha-amylase sequence with a variable portion of AmyBA or AmyLI origin, were characterized in order to(More)
Plasmid pE194 has been shown to be rescued by integration after cultivation of infected Bacillus subtilis recE4 cells at a restrictive high temperature. The plasmid is also spontaneously excised from the chromosome at a low frequency by precise or imprecise excision (J. Hofemeister, M. Israeli-Reches, and D. Dubnau, Mol. Gen. Genet. 189:58-68, 1983). We(More)
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