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A new alkaloid AM-2282 OF Streptomyces origin. Taxonomy, fermentation, isolation and preliminary characterization.
AM-2282, a new alkaloid has been isolated from cultures of Streptomyces sp. AM-2282 by solvent extraction and silica gel chromatography. The compound exhibits a strong absorption maximum at 292 nmExpand
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Identification and characterization of a second, inducible promoter of relA in Escherichia coli.
The alarmone ppGpp is an important signal molecule for the stringent response. Escherichia coli relA encodes a ppGpp synthetase, and although the regulation of RelA protein activity has been studiedExpand
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Byelyankacin: A Novel Melanogenesis Inhibitor Produced by Enterobacter sp. B20
A novel melanogenesis inhibitor, byelyankacin (1), was isolated from the fermentation broth of a bacterial strain. The producing organism, designated B20, was identified as a member of the genusExpand
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Structure of lactacystin, a new microbial metabolite which induces differentiation of neuroblastoma cells.
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Crystal structure of a ribonuclease from the seeds of bitter gourd (Momordica charantia) at 1.75 A resolution.
The ribonuclease MC1 (RNase MC1) from seeds of bitter gourd (Momordica charantia) consists of 190 amino acid residues with four disulfide bridges and belongs to the RNase T(2) family, includingExpand
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Pyridovericin and pyridomacrolidin: novel metabolites from entomopathogenic fungi, Beauveria bassiana.
program, we systematically investigated the diversity of metabolites in Deuteromycota, Beauveria bassiana, Metarhizium anisopliae, Nomuraea rileyi, Paecilomyces fumosoroseus and Verticillium lecanii,Expand
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OM-704 A, a new antibiotic active against gram-positive bacteria produced by Streptomyces sp.
A new antibiotic OM-704 A has been isolated from a fermentation broth of a Streptomyces sp. OM-704, a soil isolate. It exhibits antibacterial activities against Gram-positive bacteria. The antibioticExpand
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Inhibition of platelet aggregation by medermycin and it's related isochromanequinone antibiotics.
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Aggreceride, a new platelet aggregation inhibitor from Streptomyces.
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AM-2604 A, a new antiviral antibiotic produced by a strain of Streptomyces.
A novel antibiotic, AM-2604 A was isolated from the fermentation broth of Streptomyces sp. AM-2604 by solvent extraction and silica gel column chromatography. The antibiotic is pale yellow needlesExpand
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