Salmonella and Toll Like Receptors

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Flashcards by gina_evans0312, updated more than 1 year ago
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Description

Medical Microbiology (G.I Tract Infections) Flashcards on Salmonella and Toll Like Receptors, created by gina_evans0312 on 03/01/2014.

Resource summary

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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