MICROBIOLOGY GPC TESTING
Bacitracin Susceptibility - correct answer Bacitracin or "A" disk Identifies Group
A streptococci
PYR disk - correct answer Better test because reaction is more definitive
Christie-Atkins, Munch-Petersen (CAMP) test - correct answer Occurs when b-
lysin and the hemolysins of group B streptococci come in contact=classical
"arrow-shaped hemolysis
Hippurate Hydrolysis Test - correct answer Differentiates group B streptococci
from other beta hemolytic streptococci, Group B streptococci hydrolyzes sodium
hippurate
Add Ninhydrin to get purple complex
PYR Hydrolysis - correct answer Hydrolyzed by group A streptococci &
Enterococcus sp.
Leucine Aminopeptidase (LAP) - correct answer Add PEP reagent=Hydrolysis of
leucine beta-naphthylamide=>Useful in differentiating Aerococcus &
Leuconostoc
Voges-Proskauer (VP) Test - correct answer Detects acetoin,6 hours incubation;
Add drops of 5% alpha-naphthol a& 40% potassium hydroxide=Red or pink is
positive (Anginosus group is positive)
Beta-D-Glucuronidase - correct answer Enzyme found in group C and group G
streptococci
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Schoolflix. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.