Enteric Gram Negative Bacilli (GNB) Flashcards Preview

Microbiology Block 3 > Enteric Gram Negative Bacilli (GNB) > Flashcards

Flashcards in Enteric Gram Negative Bacilli (GNB) Deck (11):
1

all enterobacterie have what protein in their cell wall?

 

lipopolysachiride 

2

lipopolysacharide has what type of toxin? what is another name for it?

endotoxin = toxin A

3

enterobacter disease symptoms result form what? 

host-mediated damage.

4

Lipid-A of LPS binds to what on host cells?

TLR4/CD14 on host cells

5

Macrophages produce pro-inflammatory cytokines, which one in excess may lead to septic shock?

Too much TNF α

6

What mechanism is used to directly inject effector molecules into host cell?

Type 3 Secretion System T3SS

7

Serotyping enteric gram - bacteria can be against what structures of th bacteria?

Flagella (H)

Capsule (V or K)

LPS sugar residue (O)

8

what kind of feature is a flagella to Enterobacteriacease?

variable

9

Motility (flagella) is a critical virulence factor for Gram Negative why?

 to navigate water/food intermediate and to penetrate mucus layer.

10

Type 3 Secretion System T3SS is what kind of feature on all Enterobacteriaceae?

Common Feature

11

what treatment is used for enterobacterie?

Symptom management OR Ciprofloxacin if systemic