Species Rickettsiella massiliensis

Name: Rickettsiella massiliensis (Mediannikov et al. 2011) Saini and Gupta 2021

Category, proposed as: species, comb. nov.

Basonym: Diplorickettsia massiliensis Mediannikov et al. 2011

Etymology: mas.si.li.en’sis. L. fem. adj. massiliensis, from Massilia, the Latin name of Marseille, France, where the organism was first grown, identified and characterized

Pronunciation (Latin), gender: rik-kett-si-EL-la mas-si-li-EN-sis, feminine

Type strain: 20B; CSUR P99; DSM 23381; URIELLA NHT 117

Conduct genome-based taxonomy at

16S rRNA gene: GQ857549 Analyse FASTA

Effective publication: Saini N, Gupta RS. A robust phylogenetic framework for members of the order Legionellales and its main genera (Legionella, Aquicella, Coxiella and Rickettsiella) based on phylogenomic analyses and identification of molecular markers demarcating different clades. Antonie Van Leeuwenhoek 2021; 114:957-982. 🇨🇦

IJSEM list: Oren A, Garrity GM. Validation list no. 202. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2021; 71:5096.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Diplorickettsia massiliensis Mediannikov et al. 2011	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "+". — 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 the name to be applied to this species. The name is on LoRN because of the recorded pathogenicity of the species itself.

Parent taxon: Rickettsiella Philip 1956 (Approved Lists 1980)

Assigned by: Saini N, Gupta RS. A robust phylogenetic framework for members of the order Legionellales and its main genera (Legionella, Aquicella, Coxiella and Rickettsiella) based on phylogenomic analyses and identification of molecular markers demarcating different clades. Antonie Van Leeuwenhoek 2021; 114:957-982. 🇨🇦

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.24823Copy to clipboardLink copied to clipboard

Record number: 24823