A species of motile, free-living, gram-negative bacteria that occur in the soil. They are aerobic or microaerophilic and are sometimes capable of nitrogen fixation.
A genus of gram-negative, aerobic, rod-shaped bacteria that produce nodules on the roots of leguminous plants. Members of this genus are common soil inhabitants.
A genus of gram-positive, aerobic bacteria. Most species are free-living in soil and water, but the major habitat for some is the diseased tissue of ...
A genus of gram-negative, facultatively anaerobic bacteria including species which are often associated with grasses (POACEAE) and which fix nitrogen as well as species which ...
A genus of gram-negative, aerobic, rod-shaped bacteria found in soil, plants, and marine mud. With the exception of Agrobacterium radiobacter, members of this genus invade ...
A genus of gram-negative, aerobic, motile bacteria that occur in water and soil. Some are common inhabitants of the intestinal tract of vertebrates. These bacteria ...
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