MacConkey Agar

Result Interpretation on MacConkey Agar

MacConkey Agar MacConkey agar was the first solid differential media to be formulated which was developed at 20th century by Alfred Theodore MacConkey. MacConkey Agar is the earliest selective and differential medium for cultivation of coliform organisms. It is used for the isolation and differentiation of non-fastidious gram-negative rods, particularly members of the family Enterobacteriaceae and the genus Pseudomonas. … Read more MacConkey Agar

Cultural Characteristics of E. coli

Cultural Characteristics of E. coli

Cultural Characteristics of E. coli 1. E. coli is facultative anaerobes. 2. Its optimum growth temperature is 37°C and ranges from 10°C to 40°C. E. coli on Nutrient Agar (NA) 1. They appear large, circular, low convex, grayish, white, moist, smooth and opaque. 2. They are of 2 forms: Smooth (S) form and Rough (R) … Read more Cultural Characteristics of E. coli