Term
|
Definition
| second most common cause of morbidity and mortality worldwide |
|
|
Term
|
Definition
| non-invasive, toxin-mediated (Vibrio, ETEC, C.perfringens) |
|
|
Term
|
Definition
| invasive, inflammatory, fever, stools containing blood, leukocytes (PMNs, neutrophils), pus and mucus in stool (Shigella, Campylobacter, EIEC) |
|
|
Term
E.coli:
characteristics of the bacteria |
|
Definition
Gram negative bacilli
Enterobacteriaceae
lactose fermenter |
|
|
Term
| Enteroinvasive E. coli (EIEC) |
|
Definition
close cousin of Shigella sonnei (nonmotile, invasive)
Diffuse, dysentery like diarrhea and fever
DOES NOT produce Shiga toxin |
|
|
Term
| Which organisms produce Shiga toxin or Shiga-like toxin? |
|
Definition
| Shigella dysenteriae, Enterohemorrhagic E. coli (EHEC) |
|
|
Term
Enterohemorrhagic E. coli
clincal symptoms |
|
Definition
| hemorrhagic colitis (bloody stool, cranberry sauce-like), no fever |
|
|
Term
|
Definition
| foods (unpasteurized apple cide, milk, fresh vegetables), county fairs, petting zoos, and dairy farms (organisms found in cattle feces), beef |
|
|
Term
| how many deaths/year result from EHEC? |
|
Definition
|
|
Term
| in what ways are EHEC and EPEC similar? |
|
Definition
Non-invasive
Forms actin pedestal
Does not cause bacteremia
Causes attaching and effacing lesions |
|
|
Term
| How does Shiga toxin cause disease? |
|
Definition
| Inactivates the 60S ribosome to inhibit protein synthesis |
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