نتایج جستجو برای: streptomyces clavuligerus
تعداد نتایج: 13466 فیلتر نتایج به سال:
To construct a versatile model host for heterologous expression of genes encoding secondary metabolite biosynthesis, the genome of the industrial microorganism Streptomyces avermitilis was systematically deleted to remove nonessential genes. A region of more than 1.4 Mb was deleted stepwise from the 9.02-Mb S. avermitilis linear chromosome to generate a series of defined deletion mutants, corre...
Plasmids are mobile genetic elements that play a key role in the evolution of bacteria by mediating genome plasticity and lateral transfer of useful genetic information. Although originally considered to be exclusively circular, linear plasmids have also been identified in certain bacterial phyla, notably the actinomycetes. In some cases, linear plasmids engage with chromosomes in an intricate ...
As part of a search for transcriptional regulatory genes, sequence analysis of several previously unsequenced gaps in the cephamycin biosynthetic cluster has revealed the presence in Streptomyces clavuligerus of seven genes not previously described. These include genes encoding an apparent penicillin binding protein and a transport or efflux protein, as well as the CmcI and CmcJ proteins, which...
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