نتایج جستجو برای: streptomyces avermitilis
تعداد نتایج: 13460 فیلتر نتایج به سال:
The first step consists in running BLASTP [2] on each pair of genomes of a selected sample of related bacteria, in order to find putative orthologous genes between every pair of organisms. Besides the genome of interest (S. coelicolor), the sample included Streptomyces avermitilis, Mycobacterium tuberculosis, Mycobacterium leprae and Corynebacterium glutamicum. The goal of pairwise comparison o...
The avermectins are a complex of chemically related agents which exhibit extraordinarily potent anthelmintic activity. They are produced by a novel species of actinomycete, NRRL 8165, which we have named Streptomyces avermitilis. The morphological and cultural characteristics which differentiate the producing organism from other species are described. The avermectins have been identified as a s...
The Gram-positive soil bacterium and cellulose degrader Streptomyces reticuli synthesizes the mycelium-associated enzyme CpeB, which displays haem-dependent catalase and peroxidase activity, as well as haem-independent manganese-peroxidase activity. The expression of the furS-cpeB operon depends on the redox regulator FurS and the presence of the haem-binding protein HbpS. Upstream of hbpS, the...
Both Streptomyces lividans and Streptomyces avermitilis encode similar systems of post-replicative DNA modification which act site-specifically on closely opposed guanines on either strand. The modifications can be detected since they react in vitro with an oxidative derivative of Tris, resulting in strand cleavage. Previous analysis of the preferred modification site of plasmid pIJ101 indicate...
The roles of cytochrome P450 monooxygenases (CYPs) from Streptomyces spp. which are called the "treasure islands" for natural products for medicine and antibiotics are not well understood. Substrate specificity studies on CYPs may give a solution for elucidation of their roles. Based on homology sequence information, the CYP105D7 of a soluble cytochrome P450 known as heme protein from Streptomy...
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