Enterobacteriaceae (Enteric) Flashcards
1
Q
Enteric - Gram positive or negative?
A
Gram negative
2
Q
Examples of enteric bacteria
A
Salmonella species, escherichia coli, yersinia pestis, kleibsiella, shigella
3
Q
Key features of enteric bacteria
A
Rod shaped Faculative anaerobes Motive via flagella Nonsporulating Ferment sugars to produce lactic acid Oxidase negative, catalase positive
4
Q
Virulence factors
A
LPS endotoxins Antigens e.g. O, H, K Capsules to evade phagocytosis Fimbriae Exotoxins Siderophores (pierce cells) Haemolysis Type 3 secretion system
5
Q
Diseases caused by E.coli
A
Gastroenteritis, septicaemia, UTIs, neonatal meningitis, pneumonia
6
Q
Escherichia coli O157:H7 symptoms
A
Abdominal pain, bloody diarrhoea, severe/fatal haemorrhagic colitis, haemolytic uremic syndrome (i.e. Kidney failure)
7
Q
Yersinia pestis causes what illness
A
Plague, disease of domestic and wild rodents, humans are accidental host
8
Q
Bubonic plague pathology
A
Y.pestis causes swelling in lymph nodes aka buboes
