Species Pseudorhizobium halotolerans

Name: Pseudorhizobium halotolerans Lassalle et al. 2021

Category, proposed as: species, sp. nov.

Etymology: ha.lo.to’le.rans. N.L. neut. part. adj. halotolerans, salt-tolerant

Pronunciation (Latin), gender: pse͡u-do-r^hi-ZO-bi-um ha-lo-TO-le-rans, neuter

Type strain: AB21; DSM 105041; JCM 17536; KEMC 224; KEMC 224-056

Conduct genome-based taxonomy at

16S rRNA gene: JX307098 Analyse FASTA

Effective publication: Lassalle F, Dastgheib SMM, Zhao FJ, Zhang J, Verbarg S, Fruhling A, Brinkmann H, Osborne TH, Sikorski J, Balloux F, et al. Phylogenomics reveals the basis of adaptation of Pseudorhizobium species to extreme environments and supports a taxonomic revision of the genus. Syst Appl Microbiol 2021; 44:126165. 🇬🇧

IJSEM list: Oren A, Garrity GM. Validation list no. 199. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2021; 71:4773.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Rhizobium halotolerans Diange and Lee 2026

Risk group: 1

• Synonyms:

  • Name	Kind
    Rhizobium halotolerans Diange and Lee 2026	homotypic synonym, validly published under the ICNP, belated name

• Notes:
  • ❗ Pseudorhizobium halotolerans is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Pseudorhizobium.
  • 😷 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 0 times in PubMed until 2026-06-11.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded pathogenicity of other species in the genus.

Parent taxon: Pseudorhizobium Kimes et al. 2017

Assigned by: Lassalle F, Dastgheib SMM, Zhao FJ, Zhang J, Verbarg S, Fruhling A, Brinkmann H, Osborne TH, Sikorski J, Balloux F, et al. Phylogenomics reveals the basis of adaptation of Pseudorhizobium species to extreme environments and supports a taxonomic revision of the genus. Syst Appl Microbiol 2021; 44:126165. 🇬🇧

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.12615Copy to clipboardLink copied to clipboard

Record number: 12615

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31