Rhizobiaceae

Rhizobiaceae
Agrobacterium tumefaciens as it begins to infect a carrot cell
Scientific classification Edit this classification
Domain: Bacteria
Phylum: Pseudomonadota
Class: Alphaproteobacteria
Order: Hyphomicrobiales
Family: Rhizobiaceae
Conn 1938
Genera[1]

See text

The Rhizobiaceae is a family of Pseudomonadota comprising multiple subgroups that enhance and hinder plant development.[2] Some bacteria found in the family are used for plant nutrition and collectively make up the rhizobia. Other bacteria such as Agrobacterium tumefaciens and Rhizobium rhizogenes severely alter the development of plants in their ability to induce crown galls or hairy roots, respectively.[2] The family has been of an interest to scientists for centuries in their ability to associate with plants and modify plant development.[2] The Rhizobiaceae are, like all Pseudomonadota, Gram-negative. They are aerobic, and the cells are usually rod-shaped.[3] Many species of the Rhizobiaceae are diazotrophs which are able to fix nitrogen and are symbiotic with plant roots.

  1. ^ Cite error: The named reference LPSN was invoked but never defined (see the help page).
  2. ^ a b c Spaink, Herman P.; Kondorosi, Ádam; Hooykaas, Paul (2012-12-06). The Rhizobiaceae: Molecular Biology of Model Plant-Associated Bacteria. Springer Science & Business Media. ISBN 9789401150606.
  3. ^ Garrity, George M.; Brenner, Don J.; Krieg, Noel R.; Staley, James T. (eds.) (2005). Bergey's Manual of Systematic Bacteriology, Volume Two: The Proteobacteria, Part C: The Alpha-, Beta-, Delta-, and Epsilonproteobacteria. New York, New York: Springer. ISBN 978-0-387-24145-6.