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  • Title: Highly efficient gene expression of a fibrinolytic enzyme (subtilisin DFE) in Bacillus subtilis mediated by the promoter of alpha-amylase gene from Bacillus amyloliquefaciens.
    Author: Xiao L, Zhang RH, Peng Y, Zhang YZ.
    Journal: Biotechnol Lett; 2004 Sep; 26(17):1365-9. PubMed ID: 15604765.
    Abstract:
    Subtilisin DFE is a fibrinolytic enzyme produced by Bacillus amyloliquefaciens DC-4. The promoter and signal peptide-coding sequence of alpha-amylase gene from B. amyloliquefaciens was cloned and fused to the sequence coding for pro-peptide and mature peptide of subtilisin DFE. This hybrid gene was inserted into the Escherichia coli/Bacillus subtilis shuttle plasmid vector, pSUGV4. Recombinant subtilisin DFE gene was successfully expressed in B. subtilis WB600 with a fibrinolytic activity of 200 urokinase units ml(-1).
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