Name: Chlamydia psittaci (Lillie 1930) Page 1968 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Rickettsia psittaci" Lillie 1930

Etymology: psit.ta’ci. L. masc. n. psittacus, a parrot; L. gen. masc. n. psittaci, of a parrot

Gender: feminine

Type strain: 6BC; ATCC VR-125; Psittacosis strain 6 BC

Conduct genome-based taxonomy at

16S rRNA gene: AB001778 Analyse FASTA

Effective publication: Page LA. Proposal for the recognition of two species in the genus Chlamydia Jones, Rake and Stearns 1945. International Journal of Systematic Bacteriology 1968; 18:51-66.

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

Risk group: 3

• Synonyms:

  • Name	Kind
    Chlamydophila psittaci (Lillie 1930) Everett et al. 1999	homotypic synonym, validly published under the ICNP
    "Rickettsia psittaci" Lillie 1930	homotypic synonym, not validly published, basonym of name in Approved Lists

• Emendations:
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 3, note = "serotype 1: 2 human and animal pathogen - biological class of risk animal: 2; default: 3 human and animal pathogen - biological class of risk animal: 3; avian strains: 3 human and animal pathogen - biological class of risk animal: 3; non avian strains: 2 human and animal pathogen - biological class of risk animal: 2". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 3, note = "Animal classification RG: 3 - Security sensitive biological agent: Yes - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 3, note = "Some strains are less virulent (strains of non-avian origin) and may be hand-led in the same way as organisms of group 2.". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 3, note = "Z". — The risk group for Sweden has been imported on 2024-02-05. The full classification is: risk group = 3, note = "andra stammar: 2; fågelassocierade stammar: 3 ". — The risk group for United States has been imported on 2024-02-09. The full classification is: risk group = 2.
  • 🎓 Name mentioned 1751 times in PubMed until 2024-03-28.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.
  • 🧍 In the Approved Lists of Bacterial Names, the type strain is erroneously cited as ATCC VR 125 (without dash). — Tang J. Personal communication, 2001-05-30.

Parent taxon: Chlamydia Jones et al. 1945 (Approved Lists 1980)

Assigned by: Page LA. Proposal for the recognition of two species in the genus Chlamydia Jones, Rake and Stearns 1945. International Journal of Systematic Bacteriology 1968; 18:51-66.

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Record number: 783627