نتایج جستجو برای: actinomycetales
تعداد نتایج: 304 فیلتر نتایج به سال:
Tsukamurella spp. are a rare but important cause of intravascular catheter-related bacteremia in immunocompromised patients. The organism is an aerobic, Gram-positive, weakly acid-fast bacillus that is difficult to differentiate using standard laboratory methods from other aerobic actinomycetales such as Nocardia spp., Rhododoccus spp., Gordonia spp., and the rapid growing Mycobacterium spp. We...
DNA probes for the rapid identification of Nocardia asteroides were obtained by constructing a genomic library of strain GUH-2 in the lambda cloning vector EMBL3. Of 50 recombinant clones tested, 2 were identified that hybridized with 31% of the N. asteroides strains in a reference collection without cross-hybridization with related members of the Actinomycetales. Additional libraries were then...
After growth of representatives of eight genera in the order Actinomycetales and two others related taxonomically to Mycobacterium under iron-deficient conditions, the following compounds were found in the media : salicylic and phenylacetic acids, but no mycobactin, with Thermoactinomyces vulgaris; 2,3dihydroxybenzoic acid with Corynebacterium equi, Mycococcus sp., Nocardia opaca and Streptospo...
Saccharothrix espanaensis is a member of the order Actinomycetales. The genome of the strain has been sequenced recently, revealing 106 glycosyltransferase genes. In this paper, we report the detection of a glycosyltransferase from Saccharothrix espanaensis which is able to rhamnosylate different phenolic compounds targeting different positions of the molecules. The gene encoding the flexible g...
Salinispora is the first obligate marine genus within the order Actinomycetales and a productive source of biologically active secondary metabolites. Despite a worldwide, tropical or subtropical distribution in marine sediments, only two Salinispora species have thus far been cultivated, suggesting limited species-level diversity. To further explore Salinispora diversity and distributions, the ...
The principal response of many bacteria to DNA damage is mediated by a mechanism dependent on the LexA and RecA proteins. However, Mycobacterium tuberculosis was recently reported to regulate a majority of DNA repair genes independently of RecA and LexA, suggesting that an unknown RecA/LexA-independent mechanism controls the major DNA damage response pathway in this organism. Here we have ident...
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