Shigellosis classification: Difference between revisions

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Revision as of 23:14, 5 April 2015

Overview

Shigella species are classified into four serogroups: Shigella dysenteriae, Shigella flexneri, Shigella boydii, and Shigella sonnei.

Classification

Shigella species are classified into four serogroups:

Serogroup A: S. dysenteriae (12 serotypes)
Serogroup B: S. flexneri (6 serotypes)
Serogroup C: S. boydii (23 serotypes)
Serogroup D: S. sonnei (1 serotype)

References

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@@ Line 2: / Line 2: @@
 {{Shigellosis}}
 ==Overview==
+''Shigella'' species are classified into four serogroups: ''Shigella dysenteriae'', ''Shigella flexneri'', ''Shigella boydii'', and ''Shigella sonnei''.
 ==Classification==
+''Shigella'' species are classified into four serogroups:
-''Shigella'' species are classified by four serogroups:
 * Serogroup ''A'': ''[[Shigella dysenteriae|S. dysenteriae]]'' (12 [[serotype]]s)
 * Serogroup ''B'': ''[[Shigella flexneri|S. flexneri]]'' (6 serotypes)
 * Serogroup ''C'': ''[[Shigella boydii|S. boydii]]'' (23 serotypes)
 * Serogroup ''D'': ''[[Shigella sonnei|S. sonnei]]'' (1 serotype)
-'''''Shigella boydii''''' is a [[Gram-negative]] [[bacteria]] of the genus ''[[Shigella]]''. Like other member of the [[genus]], ''S. boydii'' is a non-[[Motility|motile]], non-sporeforming, rod-shaped bacteria which can cause [[dysentery]] in humans through [[Fecal-oral route|fecal-oral]] contamination.<ref>{{cite book | author = Ryan KJ; Ray CG (editors) | title = Sherris Medical Microbiology | edition = 4th ed. | publisher = McGraw Hill | year = 2004 | isbn = 0838585299 }}</ref>
-''S. boydii'' is the most genetically-divergent of the ''Shigella'' genus.<ref>{{cite journal | author=Feng L, Senchenkova SN, Yang J, Shashkov AS, Tao J, Guo H, Zhao G, Knirel YA, Reeves P, Wang L | title=Structural and genetic characterization of the ''Shigella boydii'' type 13 O antigen | journal=J Bacteriol | year=2004 | pages=383-92 | volume=186 | issue=2 | pmid = 14702307}}</ref>
-Group ''A''–''C'' are physiologically similar; ''S. sonnei'' (group ''D'') can be differentiated on the basis of biochemical metabolism assays.<ref>{{cite book | author =  Hale TL, Keusch GT | title = Shigella: Structure, Classification, and Antigenic Types. ''in:'' Baron's Medical Microbiology ''(Baron S ''et al'', eds.)| edition = 4th ed. | publisher = Univ of Texas Medical Branch | year = 1996 | url = http://www.ncbi.nlm.nih.gov/books/bv.fcgi?rid=mmed.section.1269 | isbn = 0-9631172-1-1 }}</ref>
 ==References==

Shigellosis classification: Difference between revisions

Revision as of 23:14, 5 April 2015

Overview

Classification

References

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