MeSH definition : A genus of gram-negative, rod-shaped bacteria that oxidizes nitrites to nitrates.
Its organisms occur in aerobic environments where organic matter is being mineralized,
including soil, fresh water, and sea water.;
A genus of gram-negative, rod-shaped bacteria that oxidizes nitrites to nitrates.
Its organisms occur in aerobic environments where organic matter is being mineralized,
including soil, fresh water, and sea water.