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- Publications
- Influence
A new alkaloid AM-2282 OF Streptomyces origin. Taxonomy, fermentation, isolation and preliminary characterization.
- S. O̅mura, Yuzuru Iwai, +5 authors R. Masuma
- Biology, Medicine
- The Journal of antibiotics
- 1 April 1977
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 nm… Expand
Identification and characterization of a second, inducible promoter of relA in Escherichia coli.
- A. Nakagawa, Taku Oshima, H. Mori
- Biology, Medicine
- Genes & genetic systems
- 1 October 2006
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 studied… Expand
Byelyankacin: A Novel Melanogenesis Inhibitor Produced by Enterobacter sp. B20
- S. Takahashi, H. Iwai, +6 authors A. Nakagawa
- Biology, Medicine
- The Journal of Antibiotics
- 1 November 2007
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 genus… Expand
Structure of lactacystin, a new microbial metabolite which induces differentiation of neuroblastoma cells.
- S. O̅mura, K. Matsuzaki, +4 authors A. Nakagawa
- Chemistry, Medicine
- The Journal of antibiotics
- 25 January 1991
Crystal structure of a ribonuclease from the seeds of bitter gourd (Momordica charantia) at 1.75 A resolution.
- A. Nakagawa, I. Tanaka, R. Sakai, T. Nakashima, G. Funatsu, M. Kimura
- Biology, Medicine
- Biochimica et biophysica acta
- 17 August 1999
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, including… Expand
Pyridovericin and pyridomacrolidin: novel metabolites from entomopathogenic fungi, Beauveria bassiana.
- S. Takahashi, N. Kakinuma, K. Uchida, R. Hashimoto, T. Yanagisawa, A. Nakagawa
- Biology, Medicine
- The Journal of antibiotics
- 25 June 1998
program, we systematically investigated the diversity of metabolites in Deuteromycota, Beauveria bassiana, Metarhizium anisopliae, Nomuraea rileyi, Paecilomyces fumosoroseus and Verticillium lecanii,… Expand
OM-704 A, a new antibiotic active against gram-positive bacteria produced by Streptomyces sp.
- S. O̅mura, Yuzuru Iwai, K. Hinotozawa, H. Tanaka, Y. Takahashi, A. Nakagawa
- Chemistry, Medicine
- The Journal of antibiotics
- 1 November 1982
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 antibiotic… Expand
Inhibition of platelet aggregation by medermycin and it's related isochromanequinone antibiotics.
- A. Nakagawa, N. Fukamachi, +4 authors S. O̅mura
- Biology, Medicine
- The Journal of antibiotics
- 25 July 1987
Aggreceride, a new platelet aggregation inhibitor from Streptomyces.
- S. O̅mura, A. Nakagawa, N. Fukamachi, K. Otoguro, B. Kobayashi
- Chemistry, Medicine
- The Journal of antibiotics
- 1 August 1986
AM-2604 A, a new antiviral antibiotic produced by a strain of Streptomyces.
- S. O̅mura, H. Shimizu, +4 authors A. Nakagawa
- Biology, Medicine
- The Journal of antibiotics
- 1 December 1982
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 needles… Expand