Species Pararhizobium giardinii

Name: Pararhizobium giardinii (Amarger et al. 1997) Mousavi et al. 2016

Category, proposed as: species, comb. nov.

Basonym: Rhizobium giardinii Amarger et al. 1997

Etymology: giar.di’ni.i. N.L. gen. masc. n. giardinii, of Giardini, a Brazilian microbiologist who isolated the organism

Pronunciation (Latin), gender: pa-ra-r^hi-ZO-bi-um giar-DI-ni-i, neuter

Type strain: H 152; HAMBI 2323; KACC 10720; LMG 29586; MSDJ 144

Conduct genome-based taxonomy at

16S rRNA gene: EU488750 Analyse FASTA

Effective publication: Mousavi SA, Willems A, Nesme X, de Lajudie P, Lindstrom K. Revised phylogeny of Rhizobiaceae: proposal of the delineation of Pararhizobium gen. nov., and 13 new species combinations. Syst Appl Microbiol 2015; 38:84-90. 🇫🇮

IJSEM list: Oren A, Garrity GM. Validation list no. 172. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2016; 66:4299-4305.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    Rhizobium giardinii Amarger et al. 1997	homotypic synonym, validly published under the ICNP

• Emendations:
  • Hördt et al. 2020 Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 🥇 Nomenclatural type of the genus Pararhizobium Mousavi et al. 2016. Publication: Mousavi SA, Willems A, Nesme X, de Lajudie P, Lindstrom K. Revised phylogeny of Rhizobiaceae: proposal of the delineation of Pararhizobium gen. nov., and 13 new species combinations. Syst Appl Microbiol 2015; 38:84-90. 🇫🇮
  • 😷 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 10 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as 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: Pararhizobium Mousavi et al. 2016

Assigned by: Mousavi SA, Willems A, Nesme X, de Lajudie P, Lindstrom K. Revised phylogeny of Rhizobiaceae: proposal of the delineation of Pararhizobium gen. nov., and 13 new species combinations. Syst Appl Microbiol 2015; 38:84-90. 🇫🇮

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.794714Copy to clipboardLink copied to clipboard

Record number: 794714

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31