ID#: 16813
Depicted in this 2014 image is a Petri dish culture plate demonstrating the growth of methicillin-resistant Staphylococcus aureus (MRSA) bacteria. Initially red-pink, the medium of mannitol-salt agar, is chemically-configured to turn yellow when S. aureus ferments the mannitol, lowering the pH, thereby, changing the color of the phenol red indicator dye.
High Resolution: Click here for hi-resolution image (36.11 MB)
Content Provider(s): CDC/ Melissa Dankel
Creation Date: 2014
Photo Credit: James Gathany
CDC Organization
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Copyright Restrictions: None - This image is in the public domain and thus free of any copyright restrictions.