Streptococcus: Difference between revisions
From IDWiki
Streptococcus
m (Text replacement - "\[\[Catalase test::(.*?)-(.*?)\]\]" to "$1 Catalase::$2") |
(→) |
||
Line 1: | Line 1: | ||
==Microbiology== |
==Microbiology== |
||
*Catalase |
*Catalase [[Catalase::negative]] [[Stain::Gram-positive]] [[Cocci|Cellular shape::coccus]] in pairs or chains |
||
*Two orthogonal classifications |
*Two orthogonal classifications |
||
**Hemolytic properties |
**Hemolytic properties on blood agar |
||
***Alpha: incomplete hemolysis (appears green) |
***Alpha: incomplete hemolysis (appears green) |
||
***Beta: complete hemolysis (appears clear) |
***Beta: complete hemolysis (appears clear) |
||
Line 12: | Line 12: | ||
*Alpha-hemolytic |
*Alpha-hemolytic |
||
** |
**[[Streptococcus pneumoniae|Streptococcus pneumoniae]] (usually in pairs) |
||
**[[Viridans group streptococci]] |
**[[Viridans group streptococci]] |
||
*** |
***[[Streptococcus mitis]] |
||
*** |
***[[Streptococcus oralis]] |
||
*** |
***[[Streptococcus mutans]] |
||
*** |
***[[Streptococcus sanguinis]] |
||
*** |
***[[Streptococcus sobrinus]] |
||
*** |
***[[Streptococcus anginosus group]] |
||
**** |
****[[Streptococcus anginosus]] |
||
**** |
****[[Streptococcus constellatus]] |
||
**** |
****[[Streptococcus intermedius]] |
||
*Beta-hemolytic |
*Beta-hemolytic |
||
**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 |
||
**Group D streptococci |
**Group D streptococci |
||
*** |
***[[Streptococcus bovis|Streptococcus bovis]] |
||
***Previously, |
***Previously, [[Enterococcus]] spp. |
||
{{DISPLAYTITLE:''Streptococcus'' species}} |
{{DISPLAYTITLE:''Streptococcus'' species}} |
Revision as of 22:16, 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