Clostridium difficile strains
Since many laboratories have become interested in PCR-ribotyping for Clostridium difficile, we are pleased to list below the PCR-ribotypes and toxin status for all the NCTC C. difficile strains.
These have been kindly tested for us by the Anaerobe Reference Unit in Cardiff.
View all of the Clostridium difficile strains
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NCTC no. |
Ribotype and Toxin Status |
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NCTC 11209 (T) |
Type strain, PCR-ribotype 001 reference strain |
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PCR-ribotype 001, toxin A and B positive |
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PCR-ribotype 001, toxin A and B positive |
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PCR-ribotype 038, non-toxigenic |
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PCR-ribotype 001, toxin A and B positive |
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PCR-ribotype 001, toxin A and B positive |
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PCR-ribotype 001, toxin A and B positive |
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PCR-ribotype 039, non-toxigenic |
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PCR-ribotype 017, toxin A negative, toxin B positive |
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PCR-ribotype 010, non-toxigenic |
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PCR-ribotype 017, toxin A negative, toxin B positive |
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PCR-ribotype 012, toxin A and B positive |
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PCR-ribotype 106 reference strain, toxin A and B positive |
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PCR-ribotype 027 reference strain, toxin A and B positive |
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Ribotype 356, toxin positive (not tested by ARU and depositor does not State toxin classification) |
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Ribotype 010, (not tested by ARU and depositor does not State toxin classification) |
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PCR Ribotype 020, (not tested by ARU and depositor does not State toxin classification) |
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Ribotype 016, Toxinotype IIIb, Binary toxin positive (not tested by ARU) |
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Ribotype 334, toxin positive (not tested by ARU and depositor does not State toxin classification) |
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PCR Ribotype 017, Produces cytotoxin |
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PCR ribotype 027, Produces cytotoxin |
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PCR Ribotype 220, Produces cytotoxin |
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PCR Ribotype 002, Produces cytotoxin |
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PCR Ribotype 015, Produces cytotoxin |
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PCR Ribotype 078, Produces cytotoxin |
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PCR Ribotype 017, Produces cytotoxin |
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PCR Ribotype 001, Produces cytotoxin |
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PCR Ribotype 106, Produces cytotoxin |
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PCR ribotype 023, Produces cytotoxin |
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PCR Ribotype 001, Produces cytotoxin |
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Ribotype 050, Cytotoxin positive |
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Ribotype 046, Cytotoxin positive |
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Ribotype 015, Cytotoxin positive |
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Ribotype 014, Cytotoxin positive |
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Ribotype 002, Cytotoxin positive |
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PCR Ribotype 014, Cytotoxin positive. |
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PCR ribotype 017, Toxigenic (Toxin B) |