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Chlamydiales MeSH Descriptor Data 2025


MeSH Heading
Chlamydiales
Tree Number(s)
B03.440.190
Unique ID
D002695
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D002695
Scope Note
An order of obligately intracellular, gram-negative bacteria that have the chlamydia-like developmental cycle of replication. This is a two-stage cycle that includes a metabolically inactive infectious form, and a vegetative form that replicates by binary fission. Members of Chlamydiales are disseminated by aerosol or by contact. There are at least six recognized families: CHLAMYDIACEAE, Criblamydiaceae, Parachlamydiaceae, Rhabdochlamydia, Simkaniaceae, and Waddliaceae.
Entry Term(s)
Criblamydiaceae
Microorganism Z
Parachlamydiaceae
Rhabdochlamydia
Simkaniaceae
Waddliaceae
Related Numbers
txid292833
txid412447
txid92712
txid92713
txid92714
NLM Classification #
QW 152
Previous Indexing
Bacteria (1966-1974)
Micotatobiotes (1975)
Public MeSH Note
1976
History Note
1976
Date Established
1976/01/01
Date of Entry
1975/07/25
Revision Date
2020/08/13
Chlamydiales Preferred
Parachlamydiaceae Narrower
Simkaniaceae Narrower
Waddliaceae Narrower
Rhabdochlamydia Narrower
Criblamydiaceae Narrower
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