Aspergillus is an indispensable fungus in Japanese sake brewing.

His tooth chipped while he was eating ice cream.

Daily exercise is indispensable in my life.

I learned about bacterial culture in my microbiology class.

I live in Japan.

I love Japan.

Ancient Japan was a place where beautiful nature and culture merged.

Bacillus subtilis subsp. natto plays an important role in the fermentation of natto.

Myxomycetes are a branch of biology, and their ecology and biological characteristics are being studied.

The doctor told him that he might have been infected with leprosy bacteria.