How To Identify Rhizobium?

Identify Rhizobium

Rhizobium, associated with the formation of root nodules on plants, is a genus of bacteria. These bacteria are found living in symbiosis with legumes.

Various species of Rhizobium can be identified through a conventional nodulation assay. This necessitates the growth of a host plant which is inoculated with the species of Rhizobium. Under a microscope, they appear as elongated rod-shaped cells, 0.5-0.9 ~m in width and 1.2-3.0 ~m in length. These medium-sized entities do not form endospores and are gram-negative. They are mobile either by a single polar flagellum or 2-6 flagella (peritrichous).

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