Chlamydiaceae

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Chlamydiaceae
Chlamydia trachomatis inclusion bodies (brown) in a McCoy cell culture
Scientific classification
Domain:	Bacteria
Phylum:	Chlamydiota
Class:	Chlamydiia
Order:	Chlamydiales
Family:	Chlamydiaceae Rake 1957
Genera
"Ca. Amphibiichlamydia" Chlamydia "Chlamydiifrater" Chlamydophila "Ca. Clavichlamydia" "Ca. Medusoplasma"

The Chlamydiaceae are a family of gram-negative bacteria that belongs to the phylum Chlamydiota, order Chlamydiales. Chlamydiaceae species express the family-specific lipopolysaccharide epitope αKdo-(2→8)-αKdo-(2→4)-αKdo (previously called the genus-specific epitope). Chlamydiaceae ribosomal RNA genes all have at least 90% DNA sequence identity. Chlamydiaceae species have varying inclusion morphology, varying extrachromosomal plasmid content, and varying sulfadiazine resistance.

The family Chlamydiaceae currently includes one genus and one candidate genus: Chlamydia and candidatus Clavochlamydia.^[1]