Name: Pseudorhizobium pelagicum Kimes et al. 2017

Category: Species

Proposed as: sp. nov.

Etymology: pe.la’gi.cum. L. neut. adj. pelagicum, of or belonging to the sea

Pronunciation (Latin), gender: … pe-LA-gi-kum, neuter

Type strain: CECT 8629; LMG 28314; R1-200B4

Conduct genome-based taxonomy at

16S rRNA gene: JOKI01000038 Analyse FASTA

Effective publication: Kimes NE, Lopez-Perez M, Flores-Felix JD, Ramirez-Bahena MH, Igual JM, Peix A, Rodriguez-Valera F, Velazquez E. Pseudorhizobium pelagicum gen. nov., sp. nov. isolated from a pelagic Mediterranean zone. Syst Appl Microbiol 2015; 38:293-299. 🇪🇸

IJSEM list: Oren A, Garrity GM. Validation list no. 177. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2017; 67:3140-3143.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Rhizobium marinum subsp. pelagicum (Kimes et al. 2017) Hördt et al. 2020	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • 🥇 Nomenclatural type of the genus Pseudorhizobium Kimes et al. 2017. Publication: Kimes NE, Lopez-Perez M, Flores-Felix JD, Ramirez-Bahena MH, Igual JM, Peix A, Rodriguez-Valera F, Velazquez E. Pseudorhizobium pelagicum gen. nov., sp. nov. isolated from a pelagic Mediterranean zone. Syst Appl Microbiol 2015; 38:293-299. 🇪🇸
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281. 🇬🇧
  • 😷 The risk group for Germany has been imported on 2023-10-29. 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 2025-06-04.
  • 🙆 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.
  • 🧍 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: Pseudorhizobium Kimes et al. 2017

Assigned by: Kimes NE, Lopez-Perez M, Flores-Felix JD, Ramirez-Bahena MH, Igual JM, Peix A, Rodriguez-Valera F, Velazquez E. Pseudorhizobium pelagicum gen. nov., sp. nov. isolated from a pelagic Mediterranean zone. Syst Appl Microbiol 2015; 38:293-299. 🇪🇸

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Record number: 795792