Streptococcus: Difference between revisions
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Streptococcus
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+ | ==Microbiology== |
− | * Catalase |
+ | *Catalase [[Catalase::negative]] [[Stain::Gram-positive]] [[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) |
− | = |
+ | ==Species== |
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− | * Alpha-hemolytic |
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− | ** |
+ | **[[Streptococcus mitis group]] |
− | *** |
+ | ***[[Streptococcus mitis]] |
− | *** |
+ | ***[[Streptococcus oralis]] |
+ | ***[[Streptococcus peroris]] |
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− | *** ''S. mutans'' |
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+ | ***[[Streptococcus infantis]] |
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+ | ***[[Streptococcus parasanguinis]] |
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+ | ***[[Streptococcus cristatus]] |
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+ | ***[[Streptococcus gordonii]] |
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+ | **[[Streptococcus salivarius group]] |
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+ | ***[[Streptococcus salivarius]] |
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− | * Beta-hemolytic |
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− | ** |
+ | ***[[Streptococcus vestibularis]] |
+ | ***[[Streptococcus thermophilus]] |
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− | ** Group B: ''S. agalactiae'' |
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+ | **[[Streptococcus mutans group]] |
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− | ** Group G: ''S. dysgalactiae'' |
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+ | ***[[Streptococcus mutans]] |
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− | ** Non-Lancefield: ''S. iniae'' |
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− | * Gamma-hemolytic |
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+ | ***[[Streptococcus ratti]] |
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− | *** |
+ | ***[[Streptococcus downei]] |
+ | **[[Streptococcus anginosus group]] |
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+ | **[[Streptococcus pyogenes]] (beta-hemolytic, group A) |
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+ | **[[Streptococcus canis]] |
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+ | **[[Streptococcus urinalis]] |
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+ | **[[Streptococcus dysgalactiae]] (beta-hemolytic, group G) |
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+ | ***[[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''}} |
[[Category:Gram-positive cocci]] |
[[Category:Gram-positive cocci]] |
Latest revision as of 12:42, 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