Characterization of a toxin A-negative, toxin B-positive strain of Clostridium difficile

Abstract excerpt

This study was undertaken to examine toxin production by Clostridium difficile 8864, a naturally occurring isolate that has been reported to produce toxin B in the absence of toxin A. To date, this is the only strain of C. difficile reported to produce only one of the toxins. The results of our initial studies with antibodies against toxins A and B confirmed these observations. Toxin B from strain 8864 and from...