MRCP UK EXAMINATIONS

Detailed explanation-1: -Eosin-methylene blue (EMB) agar is selective for gram-negative bacteria against gram-positive bacteria. In addition, EMB agar is useful in isolation and differentiation of the various gram-negative bacilli and enteric bacilli, generally known as coliforms and fecal coliforms respectively.

Detailed explanation-2: -Eosin-methylene blue agar is selective for gram-negative bacteria against gram-positive bacteria.

Detailed explanation-3: -Principle. Eosin Methylene Blue agar (EMB agar) is both selective and differential culture medium ideally used for isolating faecal coliforms. It is a selective medium due to inhibition of gram-positive bacteria by methylene blue.

Detailed explanation-4: -EMB is a selective, differential agar medium used for isolation of gram negative rods in a variety of specimen types. It is used frequently in clinical laboratories.