IsdH binding to hemoglobin:haptoglobin is decoupled from iron acquisition in Staphylococcus aureus
Valeria Buoli Comani, Omar De Bei, Sarah Hijazi, Antonio Cataldi, Giulia Paris, Giulia Sassi, Marialaura Marchetti, Barbara Campanini, Luca Ronda, Serena Faggiano, Ben F. Luisi, Emanuela Frangipani, Stefano Bettati
This study shows IsdH binds HbHp but does not support S. aureus growth under iron restriction when HbHp is the sole iron source, suggesting HbHp recognition has roles beyond iron acquisition.
bioRxiv · Jun 18, 2026 · PreprintBiochemistry