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Table 1 Characteristics of the selected strains

From: Prevention of Clostridium difficilespore formation by sub-inhibitory concentrations of tigecycline and piperacillin/tazobactam

Strain number PCR ribotypea TRSTb tcdC c Binary toxind
ATCC 9689 001 001 - -
630 012 012 - -
VPI 10463 (ATCC 43255) 037 058 - -
CD274 027 027 + +
CD385 018 019 - +
CD386 027 027 + +
CD390 027 027 + +
CD392 014 014 - -
CD398 018 019 - +
CD400 014 065 - -
  1. aRibotypes were attributed according to reference strains, except ribotype 018 that was assigned arbitrarily according to our internal database.
  2. bType numbers correspond to those published by Zaiss et al.,[24].
  3. cPresence (+) or absence (−) of the characteristic 18-bp deletion, and 1-bp deletion at nucleotide 117.
  4. dPresence (+) or absence (−) of the binary toxin genes cdtA and cdtB.