نتایج جستجو برای: streptomyces avermitilis
تعداد نتایج: 13460 فیلتر نتایج به سال:
SC7A1 is a cosmid with an insert of chromosomal DNA from Streptomyces coelicolor A3(2). Its insertion into the chromosome of S. coelicolor strains caused a duplication of a segment of ca. 40 kb and delayed actinorhodin antibiotic production and sporulation, implying that SC7A1 carried a gene negatively affecting these processes. The subcloning of SC7A1 insert DNA resulted in the identification ...
The lack of reliable reference genes (RGs) in the genus Streptomyces hampers effort to obtain the precise data of transcript levels. To address this issue, we aimed to identify reliable RGs in the model organism Streptomyces coelicolor. A pool of potential RGs containing 1,471 genes was first identified by determining the intersection of genes with stable transcript levels from four time-series...
We report the isolation of generalized transducing phages for Streptomyces species able to transduce chromosomal markers or plasmids between derivatives of Streptomyces coelicolor, the principal genetic model system for this important bacterial genus. We describe four apparently distinct phages (DAH2, DAH4, DAH5, and DAH6) that are capable of transducing multiple chromosomal markers at frequenc...
Comparative analysis of the Streptomyces chromosome sequences, between Streptomyces coelicolor, Streptomyces avermitilis, and Streptomyces ambofaciens ATCC23877 (whose partial sequence is released in this study), revealed a highly compartmentalized genetic organization of their genome. Indeed, despite the presence of specific genomic islands, the central part of the chromosome appears highly sy...
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