TABLE 2.

Colony formation of C. difficile spores

TreatmentaCFU recovery (%)b
MeanSD
None100
TA1.270.38
CDCA0.00120.001
DCA1.480.27
  • a Spores were treated in vitro with 0.1% taurocholate (TA), chenodeoxycholate (CDCA), or deoxycholate (DCA), serially diluted, and spread on BHIS agar.

  • b Data are percentages relative to the value obtained with BHIS(TA) and are means of three independent experiments.