Antibiotic Produced by Fusarium equiseti NRRL 5537
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Antibiotic produced by Fusarium equiseti NRRL 5537.
Fusarium equiseti NRRL 5537 grown on an autoclaved white corn grit medium for 3 to 4 weeks at room temperature produced a substance in excess of 5 g/kg of substrate that inhibited some gram-positive bacteria including mycobacteria. Most Bacillus subtilis, Mycobacterium phlei, and Staphylococcus aureus strains were inhibited when 1 mug of the antibiotic per ml was incorporated into the culture m...
متن کاملEquisetin, an antibiotic from Fusarium equiseti NRRL 5537, identified as a derivative of N-methyl-2,4-pyrollidone.
Sir: Various species of Fusarium produce toxins that are implicated in mycotoxicoses in several areas around the world. During a survey of this genus, we found that one species, Fusarium equiseti (CORDA) SACCARDO, produced an antibiotic in yields of 5 g/kg when grown on corn grit medium at room temperature (20-.24°C). Production, isolation and biological activity of the antibiotic, assigned the...
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Two vomitoxin-producing isolates of Fusarium spp. were grown on cracked corn for 1 to 8 weeks at 15, 20, 25, 28, and 32 degrees C. Maximum production of vomitoxin by Fusarium graminearum Schw. NRRL 5883 occurred at 30 degrees C and 40 days, and that by Fusarium roseum Schw. NRRL 6101 occurred at 26 degrees C and 41 days. These optimum production points were determined from response surface cont...
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Hemodialysis graft infections typically occur as a result of contamination by skin flora at the time of insertion or become secondarily infected after high-grade bacteremia. Infection of implanted vascular devices with filamentous fungi is rare. We report a case of infection of an implanted polytetrafluoroethylene dialysis graft with Fusarium incarnatum/equiseti that did not grow in cultures of...
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One fluorescent compound previously named TDP-2 was isolated and purified from a rice culture of Fusarium equiseti (Alaska 2-2). Mass spectral and nuclear magnetic resonance data indicated that it is a C-3'-N-acetyl derivative of fusarochromanone, a newly discovered mycotoxin. Time course studies of synthesis of these two compounds on autoclaved rice and Czapek-Dox medium enriched with soybean ...
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ژورنال
عنوان ژورنال: Antimicrobial Agents and Chemotherapy
سال: 1974
ISSN: 0066-4804,1098-6596
DOI: 10.1128/aac.5.6.634