Abbott Laboratories Corporation

Mitsuyoshi Yamamoto

Takashi Nara

Ryo Okachi

Isao Kawamoto

Seigo Takasawa

Tomoyasu Sato

Seiji Sato

Atsuko Morikawa

Moriyuki Sato

Yasuki Mori

Masahiro Sugimoto

Yoshiaki Shimizu

A new antibiotic, Fortimicin C, is produced by fermentation of a microorganism belonging to the genus Micromonospora. The antibiotic is accumulated in the culture medium and is isolated therefrom.

Fortimicin C and process for production thereof

The antibiotic XK-62-2 is produced by fermentation of microorganisms belonging to the genus Micromonospora. The antibiotic is accumulated in the culture liquor and is isolated therefrom.

Antibiotic XK-62-2 and process for production thereof

A novel series of antibiotics designated the XK-88 series are produced by culturing a microorganism belonging to the genus Streptomyces in a nutrient medium and thereafter recovering the antibiotics from the culture liquor.

Antibiotics designated XK-88 series

A new antibiotic, Fortimicin A, is produced by fermentation of a microorganism belonging to the genus Micromonospora. The antibiotic is accumulated in the culture medium and is isolated therefrom.

Fortimicin A

Antibiotics designated XK-88 series and process for production thereof

A new antibiotic, Fortimicin B, is produced by fermentation of a microorganism belonging to the genus Micromonospora. The antibiotic is accumulated in the culture medium and is isolated therefrom.

Growing community of inventors

Machida, Japan

Mitsuyoshi Yamamoto