Cetrimide agar
Selective culture medium
Cetrimide agar is a type of agar used for the selective isolation of the gram-negative bacterium, Pseudomonas aeruginosa.[1] As the name suggests, it contains cetrimide, which is the selective agent against alternate microbial flora.[2] Cetrimide also enhances the production of Pseudomonas pigments such as pyocyanin and pyoverdine, which show a characteristic blue-green and yellow-green colour, respectively.[3][4]
Cetrimide agar is widely used in the examination of cosmetics, pharmaceuticals and clinical specimens to test for the presence of Pseudomonas aeruginosa.[1]
References
- ^ a b http://www.bd.com/ds/productCenter/297882.asp "Cetrimide Agar Base • Pseudosel Agar". Accessed May 3, 2008.
- ^ "Pseudomonas Selective Agar, Base (Cetrimide Agar)". Archived from the original on 2008-03-25. Retrieved 2008-05-03. "Pseudomonas Selective Agar, Base (Cetrimide Agar)". Accessed May 3, 2008.
- ^ http://www.sigmaaldrich.com/etc/medialib/docs/Fluka/Datasheet/14521dat.pdf[permanent dead link] "14521 Cetrimide Agar Plates". Accessed May 3, 2008.
- ^ http://www.condalab.com/pdf/1102.pdf "Cetrimide Agar Base". Accessed May 3, 2008.
External links
- Cetrimide Agar Description & Formulation
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Growth media / agar plates
| Gram positive |
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|---|---|---|---|---|---|---|---|
| Gram negative |
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- BAF agar
- Czapek medium
- Dermatophyte test medium
- Malt extract agar
- MMN medium
- Potato dextrose agar
- Sabouraud agar
- YEPD
- YM
- Blood agar
- Chocolate agar
- Columbia blood agar
- Letheen broth
- Lysogeny broth
- Nutrient agar
- Plate count agar
- Trypticase soy agar
- Tryptic soy broth
- Zobell’s marine agar
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