منابع مشابه
Antibiotics produced by Streptomyces.
Streptomyces is a genus of Gram-positive bacteria that grows in various environments, and its shape resembles filamentous fungi. The morphological differentiation of Streptomyces involves the formation of a layer of hyphae that can differentiate into a chain of spores. The most interesting property of Streptomyces is the ability to produce bioactive secondary metabolites, such as antifungals, a...
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New antibiotics, miyakamides A1, A2, B1, and B2, were isolated from the cultured broth of Aspergillus flavus Link var. columnaris FKI-0739 together with known compounds, parasiticolide A, hydroxyaspergillic acid, and kojic acid. The structure of miyakamide A1 is N-acetyl-L-phenylalanyl-N-methyl-L-phenylalanyl-(alphaZ)-alpha,beta-didehydrotryptamine, and miyakamide A2 is E isomer of A1 at didehy...
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Most of the successes in the development of antivirals active against herpes viruses have been achieved with synthetic nucleoside analogues. It is well known that a synthetic chemotherapeutic agent, acyclovir, studied by Elion et al.1, 2), (awarded the Nobel Prize in the field of Physiology or Medicine, 1988), is the best medicine for herpes virus infections. Acyclovir has virus-specific activa...
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Antibiotic activities of the Bacillus subtilis DB9011 culture supernatant extracts against 52 pathogenic microbes were screened by measuring the zone of growth inhibition of the pathogens under a sterile paper disc loaded with the supernatant extract. The first scientific evidence for the effectiveness of the DB9011 culture extract against Porphyromonas gingivalis, Clostridium difficile, Propio...
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In the course of our screening program for plant growth inhibitors, Streptomyces sp. K385 isolated from a soil sample collected in OkayamaJapan, was found to produce kitamycin A (1) and B (2), new antimycin type antibiotics, together with known antimycin type antibiotics, antimycin A1? A2a, A3, A4a1?2), urauchimycin B (3)3), and deisovalerylblastmycin (4).4?5) This study describes the fermentat...
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ژورنال
عنوان ژورنال: The Journal of Antibiotics
سال: 1973
ISSN: 0021-8820,1881-1469
DOI: 10.7164/antibiotics.26.131