Summary
Samenvatting schema van alle bacteriën
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Schema van alle bacteriën die aanbod komen in de lessen van Cos. Zie ook bijhorend schema van de ziektebeelden.
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Bacterie Fylum Eigenschappen Natuurlijke habitat ExtraStafylococcus spp. Firmicutes • Gram-positief • In zoogdieren en vogels: neus, nasopharynx, Virulentiefactoren:
• Coccen huid en mucus ➔ halotolerant • Coagulase: vormen klonter rond bacterie ➔
• Fac. Anaeroob • Endogene infectie ➔ bij wonde zullen de bescherming + remmen verspreiding
• Catalase positief kiemen van de huid naar binnen komen • Streptokinase: afbreken bloedklonter ➔ kan
• Coagulase negatief: S. epidermidis • Antropozoonose naar de bloedbaan
➔ CNS • Alfa toxine: hemolyse + necrose door
• Coagulase positief: S. aureus aantasting gladde spiercellen ➔ bloed
mastitis
• Epidermolytisch toxine: vocht uit haarvaten
(roet biggen)
• Leukocidine: neutrofielen en MF afdoden ➔
meer kans om te groeien
Streptococcus spp. Firmicutes • Grampositief • Commensaal op de mucosa van bovenste LW Differentiatie via plaat met bloed/serum:
• Coccen en onderste deel urogenitaal tractus ➔ • Gamma: geen hemolyse
• Fac anaeroob kunnen drager zijn • Alfa: hemolyse ➔ groene zone = Fe2+ uit Hb
• Bloedplaat nodig van RBC oxideert tot Fe3+
• Catalase negatief • Bèta: hemolyse ➔ heldere zone
• Dik kapsel bij pathogene stammen Lancefield serotypering:
• Latex agglutinatie assay: Al op latex bindt met
Ag (polysacchariden) op de celwand bacterie
• Complex vorming ➔ korrelvorming door
precipitatie
• Celtype A-H en K-V
Corynebacterium Actinobacteria • Grampositief • Huid, mucus nasopharynx, SVS C. diphtheriae ➔ enkel mens als GH, geven het
spp. • Pleiomorf: verschillende vormen aan elkaar door
• Fac anaeroob
• Groeifactoren nodig
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