You are here: Home > Back Bone Records > Q&A: What media could you use to isolate Staphylococcus and why is this medium selective?

Q&A: What media could you use to isolate Staphylococcus and why is this medium selective?

Posted in Back Bone Records | August 16th, 2011

Question by Jack S: What media could you use to isolate Staphylococcus and why is this medium selective?
What media could you use to isolate Staphylococcus and why is this medium selective?

Best answer:

Answer by Bram Fronik
MRS-medium
Mannitol Salt Agar

Salt (7,5%) will be the selective component in this medium. Staphylococcus is one of the few micro organisms who can tolerate such high levels of salt.

Mannitol will be the elective coponent, as only staphylococcus aureus can use it, and will cause a shift in the pH, turning an indicator from red to yellow

Add your own answer in the comments!

Tags: , , , , , ,

  • Digg
  • Del.icio.us
  • StumbleUpon
  • Reddit
  • Twitter
  • RSS

Leave a Reply

You must be logged in to post a comment.