Clostridioides: Difference between revisions
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{{Short description|Genus of bacteria}} |
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{{Taxobox |
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{{Automatic taxobox |
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| image = Clostridium difficile 01.jpg |
| image = Clostridium difficile 01.jpg |
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| image_caption = [[Scanning electron microscope|SE]] micrograph of ''[[Clostridium difficile (bacteria)| |
| image_caption = [[Scanning electron microscope|SE]] micrograph of ''[[Clostridium difficile (bacteria)|Clostridioides difficile]]'' colonies from a stool sample |
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| domain = [[Bacteria]] |
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| phylum = [[Firmicutes]] |
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| classis = [[Clostridia]] |
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| ordo = [[Clostridiales]] |
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| familia = [[Peptostreptococcaceae]] |
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| subdivision_ranks = Selected species |
| subdivision_ranks = Selected species |
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| subdivision = |
| subdivision = |
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* ''[[Clostridioides difficile]]'' |
* ''[[Clostridioides difficile]]'' |
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* ''[[Clostridioides mangenotii]]'' |
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}} |
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'''''Clostridioides''''' is a [[genus]] of [[Gram-positive bacteria]], which includes ''[[Clostridioides difficile (bacteria)|Clostridioides difficile]]'', a human [[pathogen]] causing an infectious diarrhea. |
'''''Clostridioides''''' is a [[genus]] of [[Gram-positive bacteria]], which includes ''[[Clostridioides difficile (bacteria)|Clostridioides difficile]]'', a human [[pathogen]] causing an infectious diarrhea. |
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__TOC__ |
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==Taxonomy== |
==Taxonomy== |
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The genus ''Clostridioides'' was created to describe a few species formerly in the genus ''Clostridium'' which have been shown to be their own genetically distinct genus using 16S rRNA gene sequencing analysis.<ref>{{cite journal |last1=Lawson |first1=Paul A. |last2=Citron |first2=Diane M. |last3=Tyrrell |first3=Kerin L. |last4=Finegold |first4=Sydney M. |title=Reclassification of Clostridium difficile as Clostridioides difficile (Hall and O'Toole 1935) Prévot 1938 |journal=Anaerobe |date=August 2016 |volume=40 |pages=95–99 |doi=10.1016/j.anaerobe.2016.06.008 }}</ref> However, both names are still in use and valid under the [[International Code of Nomenclature of Prokaryotes]].<ref>{{cite journal |last1=Oren |first1=Aharon |last2=Rupnik |first2=Maja |title=Clostridium difficile and Clostridioides difficile: Two validly published and correct names |journal=Anaerobe |date=August 2018 |volume=52 |pages=125–126 |doi=10.1016/j.anaerobe.2018.07.005 }}</ref> |
The genus ''Clostridioides'' was created to describe a few species formerly in the genus ''[[Clostridium]]'' which have been shown to be their own genetically distinct genus using 16S rRNA gene sequencing analysis.<ref>{{cite journal |last1=Lawson |first1=Paul A. |last2=Citron |first2=Diane M. |last3=Tyrrell |first3=Kerin L. |last4=Finegold |first4=Sydney M. |title=Reclassification of Clostridium difficile as Clostridioides difficile (Hall and O'Toole 1935) Prévot 1938 |journal=Anaerobe |date=August 2016 |volume=40 |pages=95–99 |doi=10.1016/j.anaerobe.2016.06.008 |pmid=27370902 }}</ref> However, both names are still in use and valid under the [[International Code of Nomenclature of Prokaryotes]].<ref>{{cite journal |last1=Oren |first1=Aharon |last2=Rupnik |first2=Maja |title=Clostridium difficile and Clostridioides difficile: Two validly published and correct names |journal=Anaerobe |date=August 2018 |volume=52 |pages=125–126 |doi=10.1016/j.anaerobe.2018.07.005 |pmid=30031828 |s2cid=51707574 }}</ref> |
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Since ''[[Metaclostridioides mangenotii|C. mangenotii]]'' was further separated into a distinct genus in 2024,<ref name="Bello2024">{{cite journal|last1=Bello|first1=Sarah|last2=McQuay|first2=Sarah|last3=Rudra|first3=Bashudev|last4=Gupta|first4=Radhey|title=Robust demarcation of the family ''Peptostreptococcaceae'' and its main genera based on phylogenomic studies and taxon-specific molecular markers |journal=International Journal of Systematic and Evolutionary Microbiology|volume=74|issue=2|year=2024|doi=10.1099/ijsem.0.006247|pmid=38319314|doi-access=free}}</ref> ''Clostridioides'' is a monotypic genus. |
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==Description== |
==Description== |
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{{Taxonbar|from=Q27438828}} |
{{Taxonbar|from=Q27438828}} |
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[[Category: |
[[Category:Peptostreptococcaceae]] |
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[[Category:Gram-positive bacteria]] |
[[Category:Gram-positive bacteria]] |
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[[Category:Gut flora bacteria]] |
[[Category:Gut flora bacteria]] |
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[[Category:Pathogenic bacteria]] |
[[Category:Pathogenic bacteria]] |
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[[Category:Monotypic bacteria genera]] |
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[[Category:Bacteria genera]] |
[[Category:Bacteria genera]] |
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[[Category: |
[[Category:Taxa described in 2016]] |
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Latest revision as of 05:03, 19 May 2024
| Clostridioides | |
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| SE micrograph of Clostridioides difficile colonies from a stool sample | |
Scientific classification 
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| Domain: | Bacteria |
| Phylum: | Bacillota |
| Class: | Clostridia |
| Order: | Eubacteriales |
| Family: | Peptostreptococcaceae |
| Genus: | Clostridioides Lawson and Rainey (2016) |
| Selected species | |
Clostridioides is a genus of Gram-positive bacteria, which includes Clostridioides difficile, a human pathogen causing an infectious diarrhea.
Taxonomy
[edit]The genus Clostridioides was created to describe a few species formerly in the genus Clostridium which have been shown to be their own genetically distinct genus using 16S rRNA gene sequencing analysis.[1] However, both names are still in use and valid under the International Code of Nomenclature of Prokaryotes.[2] Since C. mangenotii was further separated into a distinct genus in 2024,[3] Clostridioides is a monotypic genus.
Description
[edit]They are obligate anaerobes capable of producing endospores. The normal, reproducing cells of Clostridioides, called the vegetative form, are rod-shaped, which gives them their name, from the Greek κλωστήρ or spindle. Clostridioides endospores, like Clostridium endospores, have a distinct bowling pin or bottle shape, distinguishing them from other bacterial endospores, which are usually ovoid in shape.[citation needed]
References
[edit]- ^ Lawson, Paul A.; Citron, Diane M.; Tyrrell, Kerin L.; Finegold, Sydney M. (August 2016). "Reclassification of Clostridium difficile as Clostridioides difficile (Hall and O'Toole 1935) Prévot 1938". Anaerobe. 40: 95–99. doi:10.1016/j.anaerobe.2016.06.008. PMID 27370902.
- ^ Oren, Aharon; Rupnik, Maja (August 2018). "Clostridium difficile and Clostridioides difficile: Two validly published and correct names". Anaerobe. 52: 125–126. doi:10.1016/j.anaerobe.2018.07.005. PMID 30031828. S2CID 51707574.
- ^ Bello, Sarah; McQuay, Sarah; Rudra, Bashudev; Gupta, Radhey (2024). "Robust demarcation of the family Peptostreptococcaceae and its main genera based on phylogenomic studies and taxon-specific molecular markers". International Journal of Systematic and Evolutionary Microbiology. 74 (2). doi:10.1099/ijsem.0.006247. PMID 38319314.