Table 3.

Plaque phenotype and lethal dose of S. flexneri strains

StrainMutationGene responsible for plaque phenotypePlaque phenotypedLethal dose (CFU)
2457TWTc NAa WT107
SS100 galU2 galU No plaquesNDb
SSW202 cydC1 cydC <WT109
SSW302 pepP1 ubiH >WT106
SSW402 ribE1 ribE >WT106
  • a NA, not applicable.

  • b ND, not determined.

  • c WT, wild type.

  • d < and >, smaller and larger than indicated phenotype.