Created by gina_evans0312
over 10 years ago
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Question | Answer |
Gram Staining | Gram -ve |
Lactose Fermentation | Negative |
Aerobe/Anaerobe | Facultative Anaerobe |
H2S Production | Positive |
Growth Media | Grows on nutrient agar |
MacConkey Agar | Forms clear colonies (no lactose fermentation) |
Oxidase Test | Negative |
Somatic & Flagellar Antigens | O & H |
Typhoid Causing Subspecies | S. typhi & s.paratyphi |
Gastroenteritis Causing Subspecies | S. typirinium & s.enteritis |
Gastroenteric- Resevoir | Birds & domestic animals |
Gastroenteric- Transmission | Through contaminated food |
Gastroenteric- Host Immunity | Lower Gastric Acid |
Gastroenteric- Symtoms | Vomiting, diarrhoea, fever (self limiting) |
Gastroenteric- Adhesion Factors | Type III Secretion system- then is taken up by cells |
Gastroenteric- Multiplication | Causes cells that have taken them up to rupture, causing the symptoms |
Toll Like Receptors- Location | Cell surface |
Toll Like Receptors- Role | Recognises lipopolysaccharides and causes cytokine release |
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