Finding the Next Generation of Antibiotics: Closthioamide

Closthioamide

Mention the word penicillin and it conjures up images of mold growing on bacterial culture plates and Dr. Alexander Fleming observing that the mold had killed the surrounding bacteria, ushering in the age of antibiotics. Bacterial infections could easily be treated with penicillin or any one of the bewildering array of new antibiotics continually being discovered. The result of using these antimicrobial drugs: numerous lives were saved and human health improved. However, bacteria are clever organisms and as quickly as humans developed an antibiotic to treat infection, the microbes would find a way around the bacteriostatic or bacteriocidal compound. It is a scary world where antibiotics are rendered impotent and fewer and fewer weapons are left in the arsenal to treat multidrug-resistant Staphylococcus aureus (MRSA) and hospital-acquired drug-resistant Gram-negative bacteria (e.g., Acinetobacter baumannii).

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