The kinetics and mobility of a ParA ATPase drive carboxysome distribution in Halothiobacillus neapolitanus
Christopher A. Azaldegui, Hema M. Swasthi, Longhua Hu, Lisa T. Pulianmackal, Hannah Rivett-Trznadel, Jian Liu, Anthony G. Vecchiarelli, Julie S. Biteen
This study investigates the McdAB system in Halothiobacillus neapolitanus, revealing that McdA's ATPase activity is DNA-stimulated and that McdB displaces McdA from DNA, forming gradients to prevent carboxysome aggregation.
bioRxiv · Mar 5, 2026 · PreprintBiophysics