''Azospira restricta'' is a species of

nitrogen-fixing Nitrogen fixation is a chemical process by which molecular nitrogen (), with a strong triple covalent bond, in the air is converted into ammonia () or related nitrogenous compounds, typically in soil or aquatic systems but also in industry. Atmos ...

bacteria. It is a root bacteria and together with ''

Azospira oryzae ''Azospira oryzae'' is a species of bacteria. It is a root bacteria and together with '' Azospira restricta'' they are the two species in the genus. References Further reading *Whitman, William B., et al., eds. Bergey's manual® of systematic ...

'' they are the two species in the genus. It is

Gram-negative Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. They are characterized by their cell envelopes, which are composed of a thin peptidoglycan cell wall ...

, non-

spore In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, f ...

-forming, with straight to curved rod-shaped cells with a single polar

flagellum A flagellum (; ) is a hairlike appendage that protrudes from certain plant and animal sperm cells, and from a wide range of microorganisms to provide motility. Many protists with flagella are termed as flagellates. A microorganism may have f ...

. The type strain is SUA2T (=NRRL B-41660T=DSM 18626T=LMG 23819T).

References

External links

*
LPSNType strain of ''Azospira restricta'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
Rhodocyclaceae Bacteria described in 2007 {{Betaproteobacteria-stub