Answer to Question #243667 in Microbiology for Angie

Question

5. What selective-differential media can be used for one-step detection of the following pathogens from water samples using the membrane filtration technique: (4 marks)

- E. coli

- Coliforms

- Salmonella

- Pseudomonas

Answer 1

- E. Coli uses MacConkey agar selective differential medium.

- Coliforms uses Eosin methylene blue agar as a selective differential medium.

-Salmonella uses Salmonella Shigella agar as a medium.

-Pseudomonas uses OFPBL (oxidation-fermentation base supplemented with agar, lactose, and two antimicrobial agents), as a media.