Depletion of Chloroplast HSP70B Triggers Proteostasis Collapse and Compromises Thylakoid Membrane Integrity in Chlamydomonas
Anna Probst, Stefan Schmollinger, Jonas Berg, Ann-Katrin Unger, Daniela Strenkert, Stefan Geimer, Frederik Sommer, Michael Schroda
Depletion of chloroplast HSP70B causes cell division arrest, proteostasis collapse, impaired VIPP1 oligomer dynamics with aberrant thylakoid structures, and increased light sensitivity.
bioRxiv · Apr 6, 2026 · PreprintPlant Biology