Name: Pararhizobium polonicum Puławska et al. 2017

Category: Species

Proposed as: sp. nov.

Etymology: po.lo’ni.cum. M.L. neut. adj. polonicum, belonging to Poland

Pronunciation (Latin), gender: pa-ra-r^hi-ZO-bi-um po-LO-ni-kum, neuter

Type strain: CFBP 8359; F5.1; LMG 28610

Conduct genome-based taxonomy at

16S rRNA gene: LN845906 Analyse FASTA

Effective publication: Pulawska J, Kuzmanovic N, Willems A, Pothier JF. Pararhizobium polonicum sp. nov. isolated from tumors on stone fruit rootstocks. Syst Appl Microbiol 2016; 39:164-169. 🇵🇱

IJSEM list: Oren A, Garrity GM. Validation list no. 176. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2017; 67:2075-2078.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😷 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 3 times in PubMed until 2026-06-11.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020). Publication: 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. 🇩🇪

Parent taxon: Pararhizobium Mousavi et al. 2016

Assigned by: Pulawska J, Kuzmanovic N, Willems A, Pothier JF. Pararhizobium polonicum sp. nov. isolated from tumors on stone fruit rootstocks. Syst Appl Microbiol 2016; 39:164-169. 🇵🇱

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Record number: 795595