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E. Coli
Bacteria
11
Microbiology
Undergraduate 2
02/23/2013

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Cards

Term
What are the 7 different phenotypes of E. Coli?
Definition
EPEC, ETEC, EHEC, EIEC, EAEC, UPEC, NMEC
Term
EPEC:
Definition
Entero-pathogenic E. Coli
- Distraction of the microvilli in the gut
- Has a type 3 secretion system
- Effector proteins alter cytoskeleton
- Pedicle formation, stimulates apoptosis
Term
ETEC:
Definition
Entero-toxigenic E. coli
- Produces toxins
- Produce heat-liable enterotoxins
- May also contain heat-stable toxin
- Increases intracellular cGMP and cAMP
- Opens ion channels in the toxicated cell
Term
EHEC:
Definition
Enter-hemorrhagic E. Coli
- Produces shiga-like toxins which disrupt synthesis of proteins in the infected cell; inactivates ribosomes
Term
EIEC:
Definition
Entero-invasive E. Coli
- Invades the cytoplasm of the cell
- Rocket motility polymerization of actin
- Inv. Plasmid: encodes for invasion functions
Term
EAEC:
Definition
Entero-aggregative E. Coli
- Intestinal hemorrhage
- Plasmid-mediated adherence
Term
Is E. Coli Gram positive or Gram negative?
Definition
Negative
Term
What is E. Coli way of respiration?
Definition
Faculatative Anaerobe
Term
The capsule of E. Coli uses what letter antigens?
Definition
K
Term
The flagellum of E coli uses what letter antigens?
Definition
H
Term
The lipopolysaccharides of e. coli uses what letter antigens?
Definition
O
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