All Aaron Smith articles
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NewsStudy reveals how a common hospital pathogen senses iron—opening a new avenue for fighting antibiotic resistance
Pseudomonas aeruginosa is a common culprit in hospital-acquired bacterial infections and is growing more resistant to antibiotics. New findings show how a two-protein system inside the bacterium operates like a sensitive switch: the pair detects iron both outside and inside the cell and then rewrites large parts of the microbe’s metabolism in response.