نتایج جستجو برای: s clavuligerus
تعداد نتایج: 711168 فیلتر نتایج به سال:
The tlrB gene from Streptomyces fradiae has been cloned and used to construct bifunctional Streptomyces-Escherichia coli shuttle vectors carrying the antibiotic resistance genes to kanamycin-neomycin, thiostrepton and tylosin as selection markers. In the same way, the tlrB gene was subcloned in plasmids including the apramycin resistance gene and the oriT sequence from the plasmid pSET152 to fa...
A gene (bla) encoding a beta-lactamase is present in the cephamycin gene cluster of Streptomyces clavuligerus, the strain producing clavulanic acid and a beta-lactamase inhibitory protein. The bla gene is located 5.1 kb downstream from and in the opposite orientation to cefE, encoding the deacetoxycephalosporin C synthase. The bla gene encodes a 332-residue protein (Mr, 35,218), similar to othe...
Exploring the Optimization of UV Mutants of Streptomyces clavuligerus for Clavulanic Acid Production
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