Published in TB and Outbreaks Week, September 30th, 2003
"In bullous impetigo, Staphylococcus aureus spreads under the stratum corneum of skin by elaboration of exfoliative toxin, which hydrolyzes only one peptide bond in a highly structured calcium-binding domain of desmoglein 1, resulting in loss of its function," investigators in the United States report.
"We investigated the basis of this exquisite specificity. Exfoliative toxin cannot cleave desmoglein 1 pretreated at 56 degrees C or higher or at low or high pH, suggesting that the proper...
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