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Types of biofilms formed by S. Typhimurium SV5015 grown in different culture media. (A) Biofilm formed when grown in CFA (pellicle) or E medium (bottom) on a 24-well polystyrene plate. (B) Biofilm formed when grown in M9 with the indicated carbon sources on a 24-well polystyrene plate. Biofilms attached to the plastic surface were stained with CV after 72 h incubation at 25°C. The arrows show the satined biofilms.
