Streptococcus: Difference between revisions
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Streptococcus
m (Text replacement - "\[\[Catalase test::(.*?)-(.*?)\]\]" to "$1 Catalase::$2") |
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==Microbiology== |
==Microbiology== |
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− | *Catalase |
+ | *Catalase [[Catalase::negative]] [[Stain::Gram-positive]] [[Cocci|Cellular shape::coccus]] in pairs or chains |
*Two orthogonal classifications |
*Two orthogonal classifications |
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− | **Hemolytic properties |
+ | **Hemolytic properties on blood agar |
***Alpha: incomplete hemolysis (appears green) |
***Alpha: incomplete hemolysis (appears green) |
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***Beta: complete hemolysis (appears clear) |
***Beta: complete hemolysis (appears clear) |
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*Alpha-hemolytic |
*Alpha-hemolytic |
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− | ** |
+ | **[[Streptococcus pneumoniae|Streptococcus pneumoniae]] (usually in pairs) |
**[[Viridans group streptococci]] |
**[[Viridans group streptococci]] |
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− | *** |
+ | ***[[Streptococcus mitis]] |
− | *** |
+ | ***[[Streptococcus oralis]] |
− | *** |
+ | ***[[Streptococcus mutans]] |
− | *** |
+ | ***[[Streptococcus sanguinis]] |
− | *** |
+ | ***[[Streptococcus sobrinus]] |
− | *** |
+ | ***[[Streptococcus anginosus group]] |
− | **** |
+ | ****[[Streptococcus anginosus]] |
− | **** |
+ | ****[[Streptococcus constellatus]] |
− | **** |
+ | ****[[Streptococcus intermedius]] |
*Beta-hemolytic |
*Beta-hemolytic |
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− | **Group A: |
+ | **Group A: [[Streptococcus pyogenes|Streptococcus pyogenes]] |
− | **Group B: |
+ | **Group B: [[Streptococcus agalactiae]] |
− | **Group G: |
+ | **Group G: [[Streptococcus dysgalactiae]] |
− | **Non-Lancefield: |
+ | **Non-Lancefield: [[Streptococccus iniae]] |
*Gamma-hemolytic |
*Gamma-hemolytic |
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**Group D streptococci |
**Group D streptococci |
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− | *** |
+ | ***[[Streptococcus bovis|Streptococcus bovis]] |
− | ***Previously, |
+ | ***Previously, [[Enterococcus]] spp. |
{{DISPLAYTITLE:''Streptococcus'' species}} |
{{DISPLAYTITLE:''Streptococcus'' species}} |
Revision as of 18:16, 21 August 2020
Microbiology
- Catalase negative Gram-positive Cellular shape::coccus in pairs or chains
- Two orthogonal classifications
- Hemolytic properties on blood agar
- Alpha: incomplete hemolysis (appears green)
- Beta: complete hemolysis (appears clear)
- Gamma: no hemolysis
- Lancefield antigen group (A-H)
- Hemolytic properties on blood agar
Species
- Alpha-hemolytic
- Beta-hemolytic
- Group A: Streptococcus pyogenes
- Group B: Streptococcus agalactiae
- Group G: Streptococcus dysgalactiae
- Non-Lancefield: Streptococccus iniae
- Gamma-hemolytic
- Group D streptococci
- Streptococcus bovis
- Previously, Enterococcus spp.
- Group D streptococci