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Dive into the research topics where Koko Sugawara is active.

Publication


Featured researches published by Koko Sugawara.


The Journal of Antibiotics | 1992

Epoxomicin, a new antitumor agent of microbial origin.

Minoru Hanada; Koko Sugawara; Keiko Kaneta; Soichiro Toda; Yuji Nishiyama; Koji Tomita; Haruaki Yamamoto; Masataka Konishi; Toshikazu Oki


The Journal of Antibiotics | 1990

Eponemycin, a new antibiotic active against B16 melanoma. I. Production, isolation, structure and biological activity.

Koko Sugawara; Masami Hatori; Yuji Nishiyama; Koji Tomita; Hideo Kamei; Masataka Konishi; Toshikazu Oki


The Journal of Antibiotics | 1992

Lactimidomycin, a new glutarimide group antibiotic production, isolation, structure and biological activity

Koko Sugawara; Yuji Nishiyama; Soichiro Toda; Nobujiro Komiyama; Masami Hatori; Toshio Moriyama; Yosuke Sawada; Hideo Kamei; Masataka Konishi; Toshikazu Oki


The Journal of Antibiotics | 1986

Elsamicins, new antitumor antibiotics related to chartreusin. I: Production, isolation, characterization and antitumor activity

Masataka Konishi; Koko Sugawara; Fumio Kofu; Yuji Nishiyama; Koji Tomita; Takeo Miyaki; Hiroshi Kawaguchi


The Journal of Antibiotics | 1997

Stachybotrin C and Parvisporin, Novel Neuritogenic Compounds II. Structure Determination

Yuriko Nozawa; Mayumi Ito; Koko Sugawara; Kazunori Hanada; Kazutoshi Mizoue


The Journal of Antibiotics | 1990

Quinaldopeptin, a novel antibiotic of the quinomycin family.

Soichiro Toda; Koko Sugawara; Yuji Nishiyama; Masaru Ohbayashi; Noriyuki Ohkusa; Haruaki Yamamoto; Masataka Konishi; Toshikazu Oki


The Journal of Antibiotics | 1984

Empedopeptin (BMY-28117), a new depsipeptide antibiotic. I: Production, isolation and properties

Masataka Konishi; Koko Sugawara; Minoru Hanada; Koji Tomita; Kozo Tomatsu; Takeo Miyaki; Hiroshi Kawaguchi; R. E. Buck; C. More; V. Z. Rossomano


The Journal of Antibiotics | 1988

BMY-28438 (3,7-dihydroxytropolone), a new antitumor antibiotic active against B16 melanoma. I. Production, isolation, structure and biological activity.

Koko Sugawara; Masaru Ohbayashi; Keiko Shimizu; Masami Hatori; Hideo Kamei; Masataka Konishi; Toshikazu Oki; Hiroshi Kawaguchi


The Journal of Antibiotics | 1993

Verucopeptin, a new antitumor antibiotic active against B16 melanoma. II: Structure determination

Koko Sugawara; Soichiro Toda; Toshio Moriyama; Masataka Konishi; Toshikazu Oki


The Journal of Antibiotics | 1993

Verucopeptin, a new antitumor antibiotic active against B16 melanoma. I. Taxonomy, production, isolation, physico-chemical properties and biological activity.

Yuji Nishiyama; Koko Sugawara; Koji Tomita; Haruaki Yamamoto; Hideo Kamei; Toshikazu Oki

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