He believes in his own strength.

You always become my strength, thank you very much.

It is important for each person to fulfill their role.

The human immunodeficiency virus is the virus that causes AIDS.

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.

Mycobacterium leprae is the bacterium that causes leprosy.

Oomycetes are known as plant pathogens.

The gills of this mushroom are very delicate.