Table 1

Bacterial strains used in these studies

SpeciesStrain NoSourceGram stainGrowth conditions*
*See text for definition of abbreviations used.
Lactobacillus acidophilus (LA)4356ATCCPositiveMRS, 37° C
Streptococcus thermophilus (ST)BAA-250ATCCPositiveTSA-sb, 37° C, 5% CO2
Enteroinvasive E coli (EIEC)O29:NMJ Fierer UCSDNegativeTSB-y, 37° C, 5% CO2