Species Spiroplasma citri

Name: Spiroplasma citri Saglio et al. 1973 (Approved Lists 1980)

Category, proposed as: species, sp. nov.

Etymology: ci’tri. L. fem. n. citrus, generic name; L. gen. fem. n. citri, of Citrus, to denote the plant host

Pronunciation (Latin), gender: spi-ro-PLAS-ma KI-tri, neuter

Type strain: ATCC 27556; DSM 21846; Maroc; NCPPB 2647

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M23942 Analyse FASTA

Effective publication: Saglio P, Lhospital M, Lafleche D, Dupont G, Bové JM, Tully JG, Freundt EA. Spiroplasma citri gen. and sp. n.: a mycoplasma-like organism associated with stubborn disease of citrus. International Journal of Systematic Bacteriology 1973; 23:191-204.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• Notes:
  • 🥇 Nomenclatural type of the genus Spiroplasma Saglio et al. 1973 (Approved Lists 1980). Publication: Saglio P, Lhospital M, Lafleche D, Dupont G, Bové JM, Tully JG, Freundt EA. Spiroplasma citri gen. and sp. n.: a mycoplasma-like organism associated with stubborn disease of citrus. International Journal of Systematic Bacteriology 1973; 23:191-204.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PP". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "p". — 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 222 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 risk group of the species itself.
  • 🧍 Plant pathogenic according to Bull et al. (2007). Publication: Bull CT, De Boer SH, Denny TP, Firrao G, Fischer Le Saux M, Saddler GS, Scortichini M, Stead DE, Takikawa Y. Comprehensive list of names of plant pathogenic bacteria, 1980-2007. Journal of Plant Pathology 2010; 92:551-592. 🇺🇸

Parent taxon: Spiroplasma Saglio et al. 1973 (Approved Lists 1980)

Assigned by: Saglio P, Lhospital M, Lafleche D, Dupont G, Bové JM, Tully JG, Freundt EA. Spiroplasma citri gen. and sp. n.: a mycoplasma-like organism associated with stubborn disease of citrus. International Journal of Systematic Bacteriology 1973; 23:191-204.

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.784930Copy to clipboardLink copied to clipboard

Record number: 784930