Bacillus subtilis variant natto Bacteremia of Gastrointestinal Origin, Japan

Abstract

We report a case of bacteremia caused by Bacillus subtilis variant natto after a gastrointestinal perforation in a patient in Japan. Genotypic and phenotypic studies of biotin identified B. subtilis var. natto. This case and 3 others in Japan may have been caused by consuming natto (fermented soybeans).

Keywords

• Bacillus subtilis var. natto
• bacteremia
• gastrointestinal origin
• bacteria
• Japan