click below
click below
Normal Size Small Size show me how
Bacterial Medium
what medium can be used for particular bacteria?
Question | Answer |
---|---|
Staphylococcus aureus | Mannitol salt agar: high salt inhibits growth of other bacteria |
gram negative enteric rods clue: there are 3 type of agar than can be used | MacConkey agar: Lactose positive, pink purple colonies - Escherichia coli, Klebsiella Lactose negative, colourless - Salmonella, Shigella, Proteus Eosin methylene blue: red-black: E. coli purple: klebsiella colourless: shigella, salmonella |
gram negative enteric rods clue: there are 3 type of agar than can be used | Hektoen enteric agar: yellow-red: E. coli, klebsiella green: shigella green with black centre: salmonella |
Neisseria and Haemophilus | chocolate agar |
mycobacterium | Lowenstein-Jensen agar |
corynebacterium diphtheriae | tellurite agar: grey to black colonies |
neisseria gonorrhoeae | Thayer-Martin medium |
legionella | buffered charcoal yeast extract agar |