Uropathogenic Escherichia coli

Question 1

gram staining

Answer 1

gram -

Question 2

shape

Answer 2

rod-shaped

Question 3

does it like oxygen

Answer 3

facultative

Question 4

mobility

Answer 4

motile

Question 5

spore forming

Answer 5

non-spore forming

Question 6

diseases it can cause

Answer 6

urinary tract infection and gastroenteritis

Question 7

most abundant cause of (un)complicated UTI

Answer 7

yes

Question 8

pili required for invasion

Answer 8

type 1 pili and P-pili

Question 9

pathogenesis

Answer 9

1. E coli from nearby flora have colonized the perineum with the use of type 1 pili
2. a few E coli gain access to the bladder via mechanical disruption (eg catheters)
   3 bladder has expelled the E coli with type 1 pili only. those E coli have P pili will remain in the bladder and cause UTI with inflammation and hemorrhage
3. in some cases, E coli can ascent the ureter to cause pyelonephritis (kidney infection)

Question 10

antibiotics

Answer 10

ampicillin, trimethoprim/ sulfamethoxazole, fluoroquinolone