Casein Media for Microbes

Casein Plates contain the major milk protein found in milk. Organisms were grown on Casien agar for 72 hours at 37C to look for the presence of the exoenzyme proteases/caseases . Pseudomonas aeruginosa, casein hydrolysis, as noted by a zone of clearing around the organism, as well as a green diffusable pigment pyocyanin. Serratia marcesens, casein hydrolysis as well as red colony pigment prodigiosin E. coli, growth but no casein hydrolysis.

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Casein Media

Source: Reblogged from Microbeworld
Image credits:  Tasha Sturm