This study investigates how glutathione mediates plant responses to high-temperature stress, showing its role in redox regulation and adaptation to heat.

bioRxiv · Mar 28, 2022Plant Biology

Redox response of iron-sulfur glutaredoxin GRXS17 activates its holdase activity to protect plants from heat stress

L. Martins, J. Knuesting, L. Bariat, A. Dard, S. A. Freibert, C. H. Marchand, D. Young, N. H. T. Dung, A. Debures, J. Saez-Vasquez, S. D. Lemaire, R. Lill, J. Messens, R. Scheibe, J.-P. Reichheld, C. Riondet

This study identifies GRXS17 as a redox-regulated holdase that protects plants from heat stress by shifting its activity through Fe-S cluster oxidation.

bioRxiv · Jan 7, 2020Plant Biology

IBA endogenous auxin regulates Arabidopsis root system development in a glutathione-dependent way and is important for adaptation to phosphate deprivation.

J. A. Trujillo-Hernandez, L. Bariat, L. C. Strader, J.-P. Reichheld, C. Belin

The paper investigates how glutathione-dependent regulation of IBA affects root system development and adaptation to phosphate deprivation in Arabidopsis.

bioRxiv · Oct 28, 2019Plant Biology

Arabidopsis glutathione reductase 2 is indispensable in plastids, while mitochondrial glutathione is safeguarded by additional reduction and transport systems

L. Marty, D. Bausewein, C. Müller, S. A. K. Bangash, A. Moseler, M. Schwarzländer, S. J. Müller-Schüssele, B. Zechmann, C. Riondet, J. Balk, M. Wirtz, R. Hell, J.-P. Reichheld, A. J. Meyer

The paper investigates the role of GR2 in maintaining glutathione redox homeostasis in plastids and mitochondria of Arabidopsis, showing its essential function in plastids and partial redundancy in mitochondria.

bioRxiv · Apr 16, 2019Plant Biology