Abstract

In a recent study by Inga V. Leus, Sean R. Roberts, Anhthu Trinh, Edward W. Yu, and Helen I. Zgurskaya (J Bacteriol, 2023, https://doi.org/10.1128/jb.00217-23), it was found that the clinically relevant resistance-nodulation-cell division (RND)-type AdeABC antibiotic efflux pump from Acinetobacter baumannii exhibits close communication between its antibiotic binding sites. Alterations in one of them can have far-reaching impacts on the drug translocation pathway. These insights could reshape our understanding of RND-type efflux pump mechanisms.

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