Term
|
Definition
vibrio cholerae
campylobacter spp.
Escherichia coli |
|
|
Term
|
Definition
severe diarrheal symptoms
'rice water stool'
liters of water loss 5-20 L/day
|
|
|
Term
vibrio cholerae characteristics
gram, flagellum? fermenter? |
|
Definition
gram -
motile, flagellated bacillus
comma-shapred bacterium
pilus
faculative anerobe
glucose and sucrose fermenter
oxidase-positive
capsule (polysaccharide) |
|
|
Term
what is used to differentiate vibrio cholerae strains?
|
|
Definition
|
|
Term
| most prevalent virulent strains are |
|
Definition
|
|
Term
| what is an agar selective for growing v. cholerae? |
|
Definition
|
|
Term
| how do cholerae appear on the agar? why? |
|
Definition
| yellow (low pH, sucrose fermentor) |
|
|
Term
| what makes cholerae to lose pilus and washed out in stools? |
|
Definition
|
|
Term
| what virulence factor increases toxin receptors on cells ? |
|
Definition
|
|
Term
| what virulence factor causes hypersecretion of electrolytes and water? |
|
Definition
cholera toxin
heat labile protein |
|
|
Term
| campylobacter spp characteristics |
|
Definition
gram -
encapsulted
helical bacillus
two flagella, motile
non-fermentor of sugars
requires co2 to grow
very tiny |
|
|
Term
| what species of campylobacter cuases acute gastroenteritis? |
|
Definition
|
|
Term
| disease that is related with C. jejuni infection is |
|
Definition
Guillain-Barre syndrome
(autoimmune disease) |
|
|
Term
| Escherichia coli characteristic |
|
Definition
gram negative bacillus
faculative anaerobe
ferments sugars (glucose, lactose)
flagellated or non-flagellated |
|
|
Term
| serologic differentiation if E. coli is done by looking at |
|
Definition
O antigens in LPS
K Antigens for capsule
H antigens for Flagellum
|
|
|
