Table 1

Bacterial strains and toxins used in this study

Strain or toxinNo. includedBacterial originStrain or toxin no.CT-RTCA resulta
Strain4Toxigenic V. choleraeATCC BAA-2163, 39541, 25870, and 51394bP
1Nontoxigenic V. choleraeATCC 55866N
1V. parahaemolyticusATCC 43996N
1V. alginolyticusATCC 17750N
1V. vulnificusATCC 27562N
1V. mimicusATCC 33655N
1V. fluvialisATCC 33812N
2Clostridium difficileATCC 43255 and 700057N
1Campylobacter jejuniATCC 33560N
1Enterobacter aerogenesATCC 13048N
1Clostridium perfringensATCC 27057N
1Escherichia coli O157:H7ATCC 43888N
1Listeria monocytogenesATCC 19111N
1Shigella flexneriATCC 55556N
1Salmonella entericaATCC 51960N
Toxin2Cholera toxinLBL 100Bc and SAC C8052P
1Clostridium difficile toxin AEMDC 616379N
1Clostridium difficile toxin BEMDC 616377N
1Shiga toxinLBL 161N
1Diphtheria toxinLBL 150N
1Heat-labile toxinLBL 65BN
  • a P, positive; N, negative.

  • b The four V. cholerae toxins included serotypes Ogawa serovar O1 (n = 2), Inaba serovar O1 (n = 1), and serovar O139 (n = 1). ATCC, American Type Culture Collection; SAC, Sigma-Aldrich Co.; LBL, List Biological Laboratories; EMDC, EMD Chemicals, Inc.

  • c The cholera toxin was isolated from V. cholerae type Inaba 569B.