
The transporter OPT3 mediates crosstalk between iron and copper in shoot-to-root signaling
Chia et al. explore the mechanisms mediating systemic shoot-to-root signaling of copper status.
Ju-Chen Chia and Olena K. Vatamaniuk, Plant Biology Section, School of Integrative Plant Science, Cornell University
Background: The micronutrients copper (Cu) and iron (Fe) are essential for plant growth…

To grow or not to grow: specific lipoxygenases control wound-induced growth restriction
To grow or not to grow: specific lipoxygenases control wound-induced growth restriction
Amna Mhamdi
Ghent University, Department of Plant Biotechnology and Bioinformatics, and VIB Center for Plant Systems Biology, 9052 Ghent, Belgium
Address correspondence to: amna.mhamdi@psb.ugent.be
As…

Mapping the Routes of Systemic Signaling in Arabidopsis
Zandalinas et al. identify the plant tissues that mediate systemic reactive oxygen signaling in response to high-light stress in Arabidopsis. Plant Cell https://doi.org/10.1105/tpc.20.00453
By Sara I Zandalinas and Ron Mittler
University of Missouri, Columbia, MO, USA
Background: Plants constantly…

Gaining sugars while sweating, how do leaves regulate their osmolarity?
Guillaume Charrier
Université Clermont Auvergne, INRAE, PIAF, F-63000 Clermont-Ferrand, France.
guillaume.charrier@inrae.fr
Leaves are specialized for the photosynthetic assimilation of atmospheric carbon, but they also are responsible for the transpiration of water into the atmosphere, as…