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Volume 28, Number 8—August 2022
Research Letter

Bacillus subtilis variant natto Bacteremia of Gastrointestinal Origin, Japan

Ippei Tanaka, Satoshi KutsunaComments to Author , Misako Ohkusu, Tomoyuki Kato, Mari Miyashita, Ataru Moriya, and Kiyofumi Ohkusu
Author affiliations: Japanese Red Cross Musashino Hospital, Tokyo, Japan (I. Tanaka, T. Kato, M. Miyashita); Osaka University, Osaka, Japan (S. Kutsuna); Chiba University, Chiba, Japan (M. Ohkusu); National Center for Global Health and Medicine, Tokyo (A. Moriya); Tokyo Medical University, Tokyo (K. Ohkusu)

Main Article

Figure

Bacillus subtilis cultures on E9 minimal medium agar plates with and without biotin. From left to right in each column, 0.5 McFarland standard was diluted ×1, ×10, and ×102, and 10 μL was incubated at 35°C for 72 hours under aerobic conditions. The isolate showed a biotin requirement. Isolate, Bacillus subtilis variant natto from patient in Japan with bacteremia of gastrointestinal origin; natto, B. subtilis var. natto standard strain; subtilis, B. subtilis subspecies subtilis standard strain.

Figure. Bacillus subtilis cultures on E9 minimal medium agar plates with and without biotin. From left to right in each column, 0.5 McFarland standard was diluted ×1, ×10, and ×102, and 10 μL was incubated at 35°C for 72 hours under aerobic conditions. The isolate showed a biotin requirement. Isolate, Bacillus subtilis variant natto from patient in Japan with bacteremia of gastrointestinal origin; natto, B. subtilis var. natto standard strain; subtilis, B. subtilis subspecies subtilis standard strain.

Main Article

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Page updated: July 21, 2022
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