Y. Jaillais

Concerted Transport and Phosphorylation of Diacylglycerol at ER-PM Contacts Sites Regulates Phospholipid Dynamics During Stress

The paper identifies DGK1 and DGK2 as forming a module with SYT1 at ER-PM contact sites in Arabidopsis, enhancing PI cycle efficiency through DAG transport and phosphorylation during stress.

Plasmodesmata act as unconventional membrane contact sites regulating inter-cellular molecular exchange in plants

The paper shows plasmodesmata function as ER-PM tubular membrane contact sites that regulate intercellular molecular exchange in plants through PI4P and MCTP proteins.

Plant plasmodesmata bridges form through ER-driven incomplete cytokinesis

The paper shows the ER stabilizes plasmodesmata during incomplete cytokinesis in plants by preventing fenestrae fusion and forming communication bridges between daughter cells.

ABP1/ABL3-TMK1 cell-surface auxin signaling directly targets PIN2-mediated auxin fluxes for root gravitropism

The paper identifies a mechanism where auxin signaling via ABP1-TMK1 receptor module stabilizes PIN2 to reinforce asymmetric auxin flow for root gravitropism.

Driving forces behind remorin nanodomain formation in anionic lipid membranes

The paper investigates how phosphorylation of the N-terminal IDD in REM1.3 influences remorin clustering into lipid nanodomains in anionic model membranes.

Phosphorylation and ubiquitination independent endocytosis of BRI1

This study shows that a BR-binding-deficient BRI1 mutant is internalized similarly to wild-type BRI1, suggesting parallel endocytic routes and non-canonical functions.

Peripheral membrane proteins modulate stress tolerance by safeguarding cellulose synthases

The paper identifies TTL proteins as essential for maintaining cellulose synthesis under stress by stabilizing the cellulose synthase complex and cortical microtubules.

Phase Separation of a Nodulin Sec14-like protein Maintains Auxin Efflux Carrier Polarity at Arabidopsis Plasma Membranes

The paper shows that phase separation of SEC14-like protein, mediated by proteolysis, maintains auxin efflux carrier polarity at Arabidopsis plasma membranes, contributing to root developmental robustness.

Plant autophagosomes mature into amphisomes prior to their delivery to the central vacuole

The paper identifies CFS1 as an autophagy adaptor that connects autophagosomes with the ESCRT-I component VPS23 to form amphisomes, facilitating vacuolar delivery in plants.

CAR modulates plasma membrane nano-organization and immune signaling downstream of RALF1-FERONIA signaling pathway

This study shows that the FER-CAR module regulates plasma membrane nano-organization and immune signaling through a feedback loop during RALF1 signaling.

Nanodomain-mediated lateral sorting drives polarization of the small GTPase ROP2 in the plasma membrane of root hair cells

The paper investigates how ROP2 is polarized in root hair cells using VAEM and single molecule tracking, revealing a step-wise model involving nanodomain formation and GEF3-mediated mobility reduction.

The Arabidopsis SAC9 Enzyme is enriched in a cortical population of early endosomes and restricts PI(4,5)P2 at the Plasma Membrane

The paper shows SAC9 restricts PI(4,5)P2 at the plasma membrane, preventing its ectopic accumulation in intracellular compartments and affecting clathrin-mediated endocytosis and SH3P2 localization.

A nanodomain anchored-scaffolding complex is required for PI4Kα function and localization in plants

The paper identifies a nanodomain-anchored scaffolding complex essential for PI4K1 localization and function in plants, revealing its role in membrane lipid dynamics and development.

Coiled-coil and RPW8-type immune receptors function at the plasma membrane in a phospholipid dependent manner

This study shows that NLR immune receptors require phospholipid interaction for plasma membrane localization and cell death activity.

A plasma membrane nanoplatform ensures signal specificity during osmotic signaling in plants

The paper shows that Rho GTPase nanodomains at the plasma membrane ensure signal specificity during osmotic signaling in plants by transducing reactive oxygen species production.

iDePP: a genetically encoded system for the inducible depletion of PI(4,5)P2 in Arabidopsis thaliana.

The paper introduces iDePP, a system to inducibly deplete PI(4,5)P2 in Arabidopsis thaliana, revealing its role in cortical microtubule organization.

Sphingolipids mediate polar sorting of PIN2 through phosphoinositide consumption at the trans-Golgi Network

The paper shows that sphingolipids regulate phosphoinositide levels at the TGN by mediating PI4P consumption via PI-PLC, affecting PIN2 sorting.

In vivo phosphatidylserine variations steer Rho GTPase signaling in a cell-context dependent manner

The paper shows phosphatidylserine regulates Rho GTPase signaling in Arabidopsis by modulating ROP6 nanoclusters and auxin signaling during root development.

A combinatorial lipid code shapes the electrostatic landscape of plant endomembranes

The paper identifies specific lipids that control membrane electrostatics in plant cells and shows how their combination creates distinct electrostatic territories along the endocytic pathway.