This may be a similar mechanism to that of Vancomycin which originated from soil bacteria, and bacillus thuringiensis which has been proven to produce bacteriocins specific for C. difficile.
The patent expired in the early 1980s; the FDA authorized the sale of several generic versions in the USA, including from manufacturers Bioniche Pharma, Baxter Healthcare, Sandoz, Akorn Strides and Hospira.
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The increasing emergence of vancomycin-resistant enterococci has resulted in the development of guidelines for use by the Centers for Disease Control (CDC) Hospital Infection Control Practices Advisory Committee.
Vancomycin-resistant Enterococcus, or vancomycin-resistant enterococci (VRE), are bacterial strains of the genus Enterococcus that are resistant to the antibiotic vancomycin.
Vancomycin-resistant Staphylococcus aureus, a strain of the bacterium Staphylococcus aureus.