Streptococcus: Difference between revisions
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Streptococcus
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==Microbiology== |
==Microbiology== |
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*Catalase [[Catalase::negative]] [[Stain::Gram-positive]] [[ |
*Catalase [[Catalase::negative]] [[Stain::Gram-positive]] [[Shape::coccus]] in pairs or chains |
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*Two orthogonal classifications |
*Two orthogonal classifications |
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**Hemolytic properties on blood agar |
**Hemolytic properties on blood agar |
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==Species== |
==Species== |
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*Alpha-hemolytic |
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**[[ |
**[[Streptococcus mitis group]] |
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***[[Streptococcus mitis]] |
***[[Streptococcus mitis]] |
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***[[Streptococcus oralis]] |
***[[Streptococcus oralis]] |
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***[[Streptococcus |
***[[Streptococcus peroris]] |
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***[[Streptococcus parasanguinis]] |
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***[[Streptococcus cristatus]] |
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***[[Streptococcus gordonii]] |
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***[[Streptococcus sanguinis]] |
***[[Streptococcus sanguinis]] |
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**[[Streptococcus salivarius group]] |
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***[[Streptococcus salivarius]] |
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***[[Streptococcus vestibularis]] |
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***[[Streptococcus thermophilus]] |
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**[[Streptococcus mutans group]] |
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***[[Streptococcus mutans]] |
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***[[Streptococcus sobrinus]] |
***[[Streptococcus sobrinus]] |
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***[[Streptococcus |
***[[Streptococcus ratti]] |
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***[[Streptococcus downei]] |
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**[[Streptococcus anginosus group]] |
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***[[Streptococcus anginosus]] |
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***[[Streptococcus constellatus]] |
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*Beta-hemolytic |
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** |
***[[Streptococcus intermedius]] |
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*Pyogenic group |
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** |
**[[Streptococcus pyogenes]] (beta-hemolytic, group A) |
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**[[Streptococcus canis]] |
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**Non-Lancefield: [[Streptococccus iniae]] |
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**[[Streptococcus urinalis]] |
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*Gamma-hemolytic |
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**[[Streptococcus dysgalactiae]] (beta-hemolytic, group G) |
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***[[Streptococcus |
***[[Streptococcus dysgalactiae subspecies dysgalactiae]] |
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***[[Streptococcus dysgalactiae subspecies equisimilis]] |
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**[[Streptococcus agalactiae]] (beta-hemolytic, group B) |
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**[[Streptococcus porcinus]] |
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**[[Streptococcus parauberis]] |
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**[[Streptococcus uberis]] |
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**[[Streptococcus iniae]] |
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*[[Streptococcus bovis group]] (gamma-hemolytic, Group D) |
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**[[Streptococcus bovis]] |
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**[[Streptococcus infantarius]] |
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**[[Streptococcus lutentiensis]] |
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**[[Streptococcus equinus]] |
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**[[Streptococcus alactolyticus]] |
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**[[Streptococcus macedonicus]] |
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**[[Streptococcus waius]] |
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**[[Streptococcus pasteurianus]] |
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*Other streptococci |
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**[[Streptococcus acidominimus]] |
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***[[Streptococcus suis]] |
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***[[Streptococcus ovis]] |
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***[[Streptococcus equi]] |
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**[[Nutritionally variant streptococci]] |
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***[[Granulicatella adiacens]] |
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***[[Granulicatella paraadiacens]] |
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***[[Granulicatella elegans]] |
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***[[Abiotrophia defectiva]] |
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{{DISPLAYTITLE:''Streptococcus'' |
{{DISPLAYTITLE:''Streptococcus''}} |
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[[Category:Gram-positive cocci]] |
[[Category:Gram-positive cocci]] |
Latest revision as of 16:42, 12 March 2022
Microbiology
- Catalase negative Gram-positive 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
- Streptococcus pneumoniae (alpha-hemolytic, usually in pairs)
- Viridans group streptococci
- Pyogenic group
- Streptococcus pyogenes (beta-hemolytic, group A)
- Streptococcus canis
- Streptococcus urinalis
- Streptococcus dysgalactiae (beta-hemolytic, group G)
- Streptococcus agalactiae (beta-hemolytic, group B)
- Streptococcus porcinus
- Streptococcus parauberis
- Streptococcus uberis
- Streptococcus iniae
- Streptococcus bovis group (gamma-hemolytic, Group D)
- Other streptococci