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Neisseria gonorrhoeae Becomes Susceptible to Polymyxin B and Colistin in the Presence of PBT2

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posted on 2019-11-11, 19:05 authored by Freda E.-C. Jen, Arun V. Everest-Dass, Ibrahim M. El-Deeb, Sanjesh Singh, Thomas Haselhorst, Mark J. Walker, Mark von Itzstein, Michael P. Jennings
Neisseria gonorrhoeae (N. gonorrhoeae) causes the sexually transmitted disease gonorrhea, which has a global incidence of 106 million cases per year. No vaccine is available to prevent the disease, and the emergence of multidrug resistant (MDR) strains makes N. gonorrhoeae an immediate public health threat. Here, we show that an ionophore, PBT2, can reverse the intrinsic resistance of N. gonorrhoeae to polymyxin B and colistin. These antibiotics administered in combination with PBT2 may be an effective path to treat MDR gonococcal infections.

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