does e coli grow on macconkey agar ?
Question
does e coli grow on macconkey agar
Thomas I. Russell
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Lorem ipsum dolor sit amet, consectetur adipiscing elit.Morbi adipiscing gravdio, sit amet suscipit risus ultrices eu.Fusce viverra neque at purus laoreet consequa.Vivamus vulputate posuere nisl quis consequat.
does e coli grow on macconkey agar
Answer ( 1 )
Yes, Escherichia coli (E. coli) can grow on MacConkey agar. MacConkey agar is a selective and differential medium used in microbiology to isolate and differentiate bacteria, particularly Gram-negative enteric bacteria such as E. coli. The medium contains crystal violet and bile salts, which inhibit the growth of Gram-positive bacteria and most Gram-negative bacteria other than enteric bacteria. Additionally, MacConkey agar contains lactose and a pH indicator (neutral red), allowing for the differentiation of lactose-fermenting and non-lactose-fermenting bacteria. E. coli, being a lactose-fermenting bacterium, produces pink colonies on MacConkey agar due to its ability to ferment lactose and lower the pH of the medium, causing the indicator to turn pink.