Question | Answer |
What is the special media used to grow Campylobacter? and what does it consist of? | Blaser's medium-:10% sheep blood with brucella agar base, amphotericin, cephalothin, vancomycin, polymixin B, and trimethoprim |
What special conditions must be met for the best recovery of campylobacter? | 42*C in microaerophilic atmosphere |
What populations are most affected by Campylobacter jejuni? | Children < 1yr. old and adults ages 20-29 |
Why is susceptibility testing not performed on Campylobacter jejuni infections? | Most patients will recover without antimicrobial therapy |
What does campylobacter look like on gram stain? Agar? | Gram Stain: curved, S-shaped, gull wing GNR
Agar: Flat, gray, irregular shaped coloines or round, convex, glistening edges |
What are some tests used to identify campylobacter? | Oxidase (+), darting motility, catalase(+), nitrate (+), growth at 42*C, no growth at 37*C.
the different temps help to differentiate Campylobacter form Pseudomonas species |