Name: Chlamydia pneumoniae Grayston et al. 1989

Category: Species

Proposed as: sp. nov.

Etymology: pneu.mo’ni.ae N.L. fem. n. pneumonia, disease of the lungs, pneumonia (inflammation of the lungs); N.L. gen. fem. n. pneumoniae, of pneumonia

Gender: feminine

Type strains: ATCC VR-2282; DSM 19748; TW-183; TWAR strain TW-183

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Z49873 Analyse FASTA

Valid publication: Grayston JT, Kuo CC, Campbell LA, Wang SP. Chlamydia pneumoniae sp. nov. for Chlamydia sp. strain TWAR. Int. J. Syst. Bacteriol. 1989; 39:88-90.

Nomenclatural status: validly published

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    Chlamydophila pneumoniae (Grayston et al. 1989) Everett et al. 1999	homotypic synonym, validly published

• Notes:
  • The phylogenetic position of this species was determined in a genome-scale analysis by García-López et al. (2019). Publication: 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.
  • The full TRBA 466 classification is: risk group = 2, note = "ht".

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

Assigned by: Grayston JT, Kuo CC, Campbell LA, Wang SP. Chlamydia pneumoniae sp. nov. for Chlamydia sp. strain TWAR. Int. J. Syst. Bacteriol. 1989; 39:88-90.

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