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  • Title: [Structural-functional characteristics of Bacillus mesentericus promoters cloned in Bacillus subtilis cells].
    Author: Bashkirov VI, Vasil'ev VV, Prozorov AA.
    Journal: Mol Gen Mikrobiol Virusol; 1987 Apr; (4):8-14. PubMed ID: 3110606.
    Abstract:
    Bacillus mesentericus DNA fragments carrying promoters were cloned in Bacillus subtilis. The nucleotide sequences of four promoters, the sites of transcription initiation and the levels of promoter-mediated expression of pPL603 CAT gene at different stages of cell growth were determined. It was identified, that the two promoters (P435 and P442) are the typical sigma 43-RNA polymerase promoters. Promoter P462 possessed the unusual nucleotide sequence and induced the expression of indicator CAT gene at the middle of the stationary phase of cell growth. The next P428 promoter was found to be a complex promoter composed of three overlapping ones: P428-1, P428-2 and P428-3. P428-3 is the sigma 43-specific promoter which revealed the high degree of homology with Bacillus subtilis spoOB gene promoter. We suggest the promoters P428-1 and P428-2 to be sigma 43- and sigma 37-RNA polymerase specific, respectively.
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