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Fluorescence (366 nm) of bacterial strains grown on LB agar containing 200 mg/liter calcofluor at 28°C for 72 h. (A) S. enterica serovar Enteritidis strain 3934 (curli positive; cellulose positive); (B) S. enterica serovar Enteritidis strain 942 (curli positive; cellulose negative); (C) S. enterica serovar Enteritidis strain 1170/97 (curli negative; cellulose negative); (D) E. coli 0157:H7 strain 43895OR; (E) E. coli 0157:H7 strain 43895OW.
