TABLE 3.

Hemagglutination of guinea pig erythrocytes by E. coli CFT073 and phase-locked mutants

StrainGrowth in brothGrowth in agar
TiteraHemagglutination in presence of 50 mM mannoseTiterHemagglutination in presence of 50 mM mannose
CFT07364b
CFT073ON12864
CFT073OFF
  • a Titers are the reciprocal of the highest dilution of bacteria that gave agglutination, starting with 109 CFU.

  • b —, no agglutination.