Name: Azovibrio restrictus Reinhold-Hurek and Hurek 2000

Category: Species

Proposed as: sp. nov.

Etymology: re.stric’tus. L. masc. part. adj. restrictus, limited, restricted, referring to the restricted spectrum of carbon sources used for growth

Pronunciation (Latin), gender: a-zo-WI-bri-o re-STRIK-tus, masculine

Type strain: DSM 23866; LMG 9099; S5b2

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF011346 Analyse FASTA

Valid publication: Reinhold-Hurek B, Hurek T. Reassessment of the taxonomic structure of the diazotrophic genus Azoarcus sensu lato and description of three new genera and new species, Azovibrio restrictus gen. nov., sp. nov., Azospira oryzae gen. nov., sp. nov. and Azonexus fungiphilus gen. nov., sp. nov. Int J Syst Evol Microbiol 2000; 50:649-659. 🇩🇪

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 2 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:951-953.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Azovibrio Reinhold-Hurek and Hurek 2000. Publication: Reinhold-Hurek B, Hurek T. Reassessment of the taxonomic structure of the diazotrophic genus Azoarcus sensu lato and description of three new genera and new species, Azovibrio restrictus gen. nov., sp. nov., Azospira oryzae gen. nov., sp. nov. and Azonexus fungiphilus gen. nov., sp. nov. Int J Syst Evol Microbiol 2000; 50:649-659. 🇩🇪
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 1 time in PubMed until 2026-06-11.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683. 🇺🇸
  • 🧍 Azovibrio restrictus Reinhold-Hurek and Hurek 2000 was previously known as Azoarcus sp. group C. Publication: Reinhold-Hurek B, Hurek T, Gillis M, Hoste B, Vancanneyt M, Kersters K, De Ley J. Azoarcus gen. nov., nitrogen-fixing proteobacteria associated with roots of kallar grass (Leptochloa fusca (L.) Kunth) and description of two species, Azoarcus indigens sp. nov. and Azoarcus communis sp. nov. Int. J. Syst. Bacteriol. 1993; 43:574-584. 🇧🇪

Parent taxon: Azovibrio Reinhold-Hurek and Hurek 2000

Assigned by: Reinhold-Hurek B, Hurek T. Reassessment of the taxonomic structure of the diazotrophic genus Azoarcus sensu lato and description of three new genera and new species, Azovibrio restrictus gen. nov., sp. nov., Azospira oryzae gen. nov., sp. nov. and Azonexus fungiphilus gen. nov., sp. nov. Int J Syst Evol Microbiol 2000; 50:649-659. 🇩🇪

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Record number: 783411