Repurposing a chromosome segregation ParB-CTPase fold into an ATPase toxin for contact-dependent growth inhibition in plant and animal pathogens
Jovana Kaljević, Julia E. A. Mundy, Boris Stojilković, Martin Rejzek, Thierry Oms, Frédéric Goormaghtigh, Thomas C. McLean, Ngat T. Tran, Katie E. Johnson, Ananda Sanches-Medeiros, Victor Sourjik, Sandra Eltschkner, Laurence Van Melderen, Antoine Hocher, Tung B. K. Le
The paper shows that the ParB-CTPase fold can be repurposed as an ATPase toxin in bacterial contact-dependent growth inhibition systems, with toxic effects in both plant and animal cells.
bioRxiv · May 10, 2026 · PreprintMicrobiology