Another tool in the war against “superbugs”

Researchers have developed a new polymyxin-like lipopeptide to kill multidrug-resistant microbes (superbugs).  In the past, when facing bacteria that are resistant to antibiotics, doctors could prescribe polymyxins.  Polymyxins are lipopeptides that kill bacteria by binding to a component of the cell wall and disrupting ionic and hydrophobic interactions.  Polymyxin-resistant bacteria have evolved so that they …

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