Name: Neorhizobium petrolearium (Zhang et al. 2012) Kuzmanović et al. 2022

Category: Species

Proposed as: comb. nov.

Basonym: Rhizobium petrolearium Zhang et al. 2012

Etymology: petr.o.le.a’ri.um. Gr. fem. n. petra, rock; L. neut. adj. olearium, related to oil, of or belonging to oil; N.L. neut. adj. petrolearium, related to mineral oil

Pronunciation (Latin), gender: … petr-o-le-A-ri-um, neuter

Type strain: ACCC 11238; DSM 21304; DSM 26482; KCTC 23288; SL-1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU556969 Analyse FASTA

Valid publication: Kuzmanovic N, Fagorzi C, Mengoni A, Lassalle F, diCenzo GC. Taxonomy of Rhizobiaceae revisited: proposal of a new framework for genus delimitation. Int J Syst Evol Microbiol 2022; 72:5243. 🇨🇦

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 72, part 3 of the IJSEM. Int J Syst Evol Microbiol 2022; 72:5393.

Nomenclatural status: validly published under the ICNP

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

• Synonyms:

  • Name	Kind
    Rhizobium petrolearium Zhang et al. 2012	homotypic synonym, validly published under the ICNP
    "Rhizobium phenanthrenilyticum" Wen et al. 2011	heterotypic synonym, not validly published

• Notes:
  • ⏰ According to Golubev et al. (2024), this species is an earlier heterotypic synonym of "Rhizobium phenanthrenilyticum" Wen et al. 2011. Publication: Golubev S, Rasterkovskaya M, Sungurtseva I, Burov A, Muratova A. Phenanthrene-Degrading and Nickel-Resistant Neorhizobium Strain Isolated from Hydrocarbon-Contaminated Rhizosphere of Medicago sativa L. Microorganisms 2024; 12:0. 🇷🇺
  • 🎓 Name mentioned 2 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.

Parent taxon: Neorhizobium Mousavi et al. 2015

Assigned by: Kuzmanovic N, Fagorzi C, Mengoni A, Lassalle F, diCenzo GC. Taxonomy of Rhizobiaceae revisited: proposal of a new framework for genus delimitation. Int J Syst Evol Microbiol 2022; 72:5243. 🇨🇦

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Record number: 29154