A periplasmic regulator establishes adaptive impermeability to control carbapenem entry
Véréna Ducret, Catarina Milho, Karl Perron
This study identifies PtrA as a periplasmic regulator that controls carbapenem entry in Pseudomonas aeruginosa through adaptive impermeability, independent of OprD abundance and transcriptional regulation.
bioRxiv · Aug 18, 2026 · PreprintMicrobiology