Rhizobiaceae
Rhizobiaceae | |
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Agrobacterium tumefaciens as it begins to infect a carrot cell | |
Scientific classification | |
Kingdom: | Bacteria |
Phylum: | Proteobacteria |
Class: | Alphaproteobacteria |
Order: | Rhizobiales |
Family: | Rhizobiaceae Conn 1938 |
Type genus | |
Rhizobium | |
Genera[1] | |
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The Rhizobiaceae are a family of proteobacteria, including many species of rhizobia, as well as plant parasites such as Agrobacterium. The Rhizobiaceae are, like all Proteobacteria, Gram-negative. They are aerobic and the cells are usually rod-shaped.[2] Many species of the Rhizobiaceae are diazotrophs, they are able to fix nitrogen and are symbiotic with plant roots.
Phylogeny
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) [1] and National Center for Biotechnology Information (NCBI)[3] and the phylogeny is based on 16S rRNA-based LTP release 106 by The All-Species Living Tree Project [4]
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References
- 1 2 J.P. Euzéby. "Proteobacteria (scroll down for Rhizobiaceae)". List of Prokaryotic names with Standing in Nomenclature (LPSN) . Retrieved 2012-05-02. External link in
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(help) - ↑ 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.
- ↑ Sayers; et al. "Rhizobiaceae". National Center for Biotechnology Information (NCBI) taxonomy database . Retrieved 2012-05-02. External link in
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(help) - ↑ All-Species Living Tree Project."16S rRNA-based LTP release 106 (full tree)" (PDF). Silva Comprehensive Ribosomal RNA Database . Retrieved 2012-05-02. External link in
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(help) - 1 2 3 4 5 6 These species were formerly classified in the genus Agrobacterium.
- 1 2 3 4 5 6 This is the type species for the genus.
- ↑ Arthrobacter viscosus is currently classified in the Micrococcaceae. See Arthrobacter.
- 1 2 3 4 5 6 Species found in the genera Aurantimonas, Aureimonas, Fulvimarina, and Martelella are all currently classified in the Aurantimonadaceaea.
- 1 2 3 The species in the genus Aureimonas were formerly classified in the genus Aurantimonas.
- ↑ Beijerinckia fluminensis is currently classified in the Beijerinckiaceae.
- ↑ This includes Agrobacterium tumefaciens (Smith and Townsend 1907) Conn 1942.
- ↑ Blastobacter capsulatus is currently classified in the Bradyrhizobiaceae.
- 1 2 3 4 5 6 7 These species were formerly classified in the genus Sinorhizobium.