MeSH definition : A genus of gram-negative, spiral bacteria that possesses internal photosynthetic membranes.
Its organisms divide by binary fission, are motile by means of polar flagella, and
are found in aquatic environments.;
A genus of gram-negative, spiral bacteria that possesses internal photosynthetic membranes.
Its organisms divide by binary fission, are motile by means of polar flagella, and
are found in aquatic environments.