Spinach and siderophores, part 2: Getting the upper hand

Author: Ada Hagan

Editors: Alisha John, Scott Barolo

As we discussed last time, bacteria that infect the human body face a major challenge: iron, which is essential for bacterial growth, is hard to obtain from human tissues.  Many pathogenic bacteria solve this problem by deploying “stealth siderophores,” which steal iron from human iron-binding proteins while evading our defenses. In the battle between humans and pathogenic bacteria, our best weapons, antibiotics, are being weakened by widespread resistance. Is there a way to use bacteria’s need for iron against them?

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