Shigellosis causes: Difference between revisions
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==Overview== | ==Overview== | ||
Shigellosis is usually a foodborne or waterborne illness caused by an infection with ''Shigella'' species. ''Shigella'' is a [[gram-negative]], non-motile, facultatively anaerobic, non-[[spore]]-forming [[rod]]. | Shigellosis is usually a foodborne or waterborne illness caused by an infection with ''Shigella'' species. ''Shigella'' is a [[gram-negative]], non-motile, facultatively anaerobic, non-[[spore]]-forming [[rod]]. | ||
== | ==Causes== | ||
===Etiologic Agent=== | ===Etiologic Agent=== | ||
Shigellosis is usually a [[foodborne]] or waterborne illness caused by an infection with ''Shigella'' species. | Shigellosis is usually a [[foodborne]] or waterborne illness caused by an infection with ''Shigella'' species. | ||
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*''Shigella'' is a [[gram-negative]], non-motile, facultatively anaerobic, non-[[spore]]-forming [[rod]].<ref name="NCBI">{{cite journal |last= Hale|first=TL |last2=Keusch|first2=GT |date=1996 |title=Shigella. In: Baron S, editor. Medical Microbiology. 4th edition. |url=http://www.ncbi.nlm.nih.gov/books/NBK8038/ |journal=Galveston (TX): University of Texas Medical Branch at Galveston|access-date=4 April 2015}}</ref> | *''Shigella'' is a [[gram-negative]], non-motile, facultatively anaerobic, non-[[spore]]-forming [[rod]].<ref name="NCBI">{{cite journal |last= Hale|first=TL |last2=Keusch|first2=GT |date=1996 |title=Shigella. In: Baron S, editor. Medical Microbiology. 4th edition. |url=http://www.ncbi.nlm.nih.gov/books/NBK8038/ |journal=Galveston (TX): University of Texas Medical Branch at Galveston|access-date=4 April 2015}}</ref> | ||
*Shigella is closely related to ''[[E. coli]]'', where both organisms are thought to be derived from similar vector plasmids. Unlike ''E. coli'', ''Shigella'' cannot ferment [[lactose]] or decarboxylate [[lysine]].<ref name="NCBI">{{cite journal |last= Hale|first=TL |last2=Keusch|first2=GT |date=1996 |title=Shigella. In: Baron S, editor. Medical Microbiology. 4th edition. |url=http://www.ncbi.nlm.nih.gov/books/NBK8038/ |journal=Galveston (TX): University of Texas Medical Branch at Galveston|access-date=4 April 2015}}</ref> | *Shigella is closely related to ''[[E. coli]]'', where both organisms are thought to be derived from similar vector plasmids. Unlike ''E. coli'', ''Shigella'' cannot ferment [[lactose]] or decarboxylate [[lysine]].<ref name="NCBI">{{cite journal |last= Hale|first=TL |last2=Keusch|first2=GT |date=1996 |title=Shigella. In: Baron S, editor. Medical Microbiology. 4th edition. |url=http://www.ncbi.nlm.nih.gov/books/NBK8038/ |journal=Galveston (TX): University of Texas Medical Branch at Galveston|access-date=4 April 2015}}</ref> | ||
==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
Revision as of 15:37, 8 December 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-In-Chief: Yazan Daaboul; Serge Korjian
Overview
Shigellosis is usually a foodborne or waterborne illness caused by an infection with Shigella species. Shigella is a gram-negative, non-motile, facultatively anaerobic, non-spore-forming rod.
Causes
Etiologic Agent
Shigellosis is usually a foodborne or waterborne illness caused by an infection with Shigella species.
- There are 4 Shigella species that are responsible for development of Shigellosis:
- Serogroup A: S. dysenteriae (12 serotypes)
- Serogroup B: S. flexneri (6 serotypes)
- Serogroup C: S. boydii (23 serotypes)
- Serogroup D: S. sonnei (1 serotype)
Structure
- Shigella is a gram-negative, non-motile, facultatively anaerobic, non-spore-forming rod.[1]
- Shigella is closely related to E. coli, where both organisms are thought to be derived from similar vector plasmids. Unlike E. coli, Shigella cannot ferment lactose or decarboxylate lysine.[1]
References
- ↑ 1.0 1.1 Hale, TL; Keusch, GT (1996). "Shigella. In: Baron S, editor. Medical Microbiology. 4th edition". Galveston (TX): University of Texas Medical Branch at Galveston. Retrieved 4 April 2015.