Here’s how mysterious last-resort antibiotics kill bacteria
Polymyxins turn cell membranes into brittle, breakable crystals
![A photo of a researcher looking at a clear petri dish with blue dots on it.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/11/110422_ec_Petrified-bacteria_feat.jpg?fit=1030%2C580&ssl=1)
Polymyxin “last-resort” antibiotics kill bacteria by crystallizing their cell membranes.
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