A retrospective study of Clostridium botulinum strains isolated from patients from California with infant botulism identified the fourth known C. botulinum strain that produces both type B and type F botulinum toxins. This unique strain represented 0.12% of the California infant botulism case isolates from 1976 to 2003. The relative concentrations of type B and F toxins produced were temperature dependent.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC387584 | PMC |
http://dx.doi.org/10.1128/JCM.42.4.1713-1715.2004 | DOI Listing |
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