The paper shows that ubiquitination of SRF3 organizes its plasma membrane nano-organization, directing signaling outputs based on environmental cues like low iron or bacterial signals.

bioRxiv · Oct 28, 2022 · PreprintPlant Biology

ORP5/8 AND MIB/MICOS LINK ER-MITOCHONDRIA AND INTRAMITOCHONDRIAL CONTACTS FOR NON-VESICULAR TRANSPORT OF PHOSPHATIDYLSERINE

V. F. Monteiro-Cardoso, L. Rochin, A. Arora, A. Houcine, E. Jaaskelainen, A. M. Kivela, C. Sauvanet, R. Le Bars, E. Marien, J. Dehairs, J. Neveu, N. El Khallouki, E. Santonico, J. V. Swinnen, D. Tareste, , F. Giordano

The paper identifies ORP5/8 and MIB/MICOS complexes as mediators of non-vesicular phosphatidylserine transport between ER and mitochondria via membrane contact sites.

bioRxiv · May 25, 2022Cell Biology

Cadmium-induced endocytosis of the broad spectrum root metal transporter of Arabidopsis

J. Spielmann, V. Cointry, J. Neveu, G. Vert

This study shows cadmium induces IRT1 endocytosis and degradation via ubiquitin-mediated pathway, revealing a mechanism for cadmium regulation of iron uptake in Arabidopsis.

bioRxiv · Feb 21, 2022 · PreprintPlant Biology