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Ryozo Utahara

National Institutes of Health

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Publication

Featured researches published by Ryozo Utahara.

The Journal of Antibiotics | 1957

Production and isolation of a new antibiotic: kanamycin.

Hamao Umezawa; M Ueda; Kenji Maeda; K Yagishita; S Kondo; Y Okami; Ryozo Utahara; Y Osato; K Nitta; Tomio Takeuchi

The Journal of Antibiotics | 1967

Isolation and structure of kanamycin inactivated by a cell free system of kanamycin-resistant E. coli.

Hamao Umezawa; Masanori Okanishi; Ryozo Utahara; Kenji Maeda; Shinichi Kondo

The Journal of Antibiotics | 1968

ADENYL YLSTREPTOMYCIN, A PRIDUCT OF STREPTOMYCIN INACTIVATED BY E.COLI CARRYING R FACTOR

Hamao Umezawa; Seigo Takasaka; Masanori Okanishi; Ryozo Utahara

The Journal of Antibiotics | 1968

PHOSPHORYLATION AND INACTIVATION OF AMINOGLYCOSIDIC ANTIBIOTICS BY E. COLI CARRYING R FACTOR

Masanori Okanishi; Shinichi Kondo; Ryozo Utahara; Hamao Umezawa

The Journal of Antibiotics | 1968

Isolation of kanamycin and paromamine inactivated by E.coli carrying R factor

Shinichi Kondo; Masanori Okanishi; Ryozo Utahara; Kenji Maeda; Hamao Umezawa

The Journal of Antibiotics | 1970

MACARBOMYCIN, A NEW ANTIBIOTIC CONTAINING PHOSPHORUS

Sakiko Takahashi; Akinori Okanishi; Ryozo Utahara; Kazuo Nitta; Kenji Maeda; Hamao Umezawa

The Journal of Antibiotics | 1968

STUDIES ON ADENYLYLSTREPTOMYCIN, A PRODUCT OF STREPTOMYCIN INACTIVATION BY E. COLI CARRYING THE R-FACTOR

Seigo Takasawa; Ryozo Utahara; Masanori Okanishi; Kenji Maeda; Hamao Umezawa

The Journal of Antibiotics | 1971

3"-phosphoryldihydrostreptomycin produced by the inactivating enzyme of Pseudomonas aeruginosa.

Haruhide Kawabe; Fujio Kobayashi; Masahito Yamaguchi; Ryozo Utahara; Susumu Mitsuhashi

The Journal of Antibiotics | 1973

TWO β-LACTAMASE INHIBITORS PRODUCED BY A STREPTOMYCES

Hamao Umezawa; Susumu Mitsuhashi; Masa Hamada; Shizuko Iyobe; Sakiko Takahashi; Ryozo Utahara; Yasusuke Osato; Seiko Yamazaki; Hiroshi Ogawara; Kenji Maeda

The Journal of Antibiotics | 1968

ISOLATION OF PAROMAMINE INACTIVATED BY PSEUDOMONAS AERUGINOSA

Kenji Maeda; Shinichi Kondo; Masanori Okanishi; Ryozo Utahara; Hamao Umezawa

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Hamao Umezawa

Gunma University

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Susumu Mitsuhashi

Gunma University

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Masanori Okanishi

National Institutes of Health

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Hamao Umezawa

Gunma University

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Kenji Maeda

National Institutes of Health

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Kenji Maeda

National Institutes of Health

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Kazuo Nitta

National Institutes of Health

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Shinichi Kondo

National Institutes of Health

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Hisaji Yamazaki

National Institutes of Health

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Sakiko Takahashi

National Institutes of Health

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