ROS production and signalling in chloroplasts: cornerstones and evolving concepts

CH Foyer, G Hanke - The Plant Journal, 2022 - Wiley Online Library
Reactive oxygen species (ROS) such as singlet oxygen, superoxide (O2●−) and hydrogen
peroxide (H2O2) are the markers of living cells. Oxygenic photosynthesis produces ROS in …

Improving oxidative stress resilience in plants

PI Kerchev, F Van Breusegem - The Plant Journal, 2022 - Wiley Online Library
Originally conceived as harmful metabolic byproducts, reactive oxygen species (ROS) are
now recognized as an integral part of numerous cellular programs. Thanks to their diverse …

Redox signaling in plant heat stress response

S Fortunato, C Lasorella, N Dipierro, F Vita… - Antioxidants, 2023 - mdpi.com
The increase in environmental temperature due to global warming is a critical threat to plant
growth and productivity. Heat stress can cause impairment in several biochemical and …

Chloroplast immunity illuminated

GR Littlejohn, S Breen, N Smirnoff, M Grant - New Phytologist, 2021 - Wiley Online Library
The chloroplast has recently emerged as pivotal to co‐ordinating plant defence responses
and as a target of plant pathogens. Beyond its central position in oxygenic photosynthesis …

Control of chloroplast degradation and cell death in response to stress

JD Woodson - Trends in biochemical sciences, 2022 - cell.com
Chloroplasts are the sites of photosynthesis in plants and algae and, by extension, are
essential for most life on Earth. Their maintenance is costly and complex due to the inherent …

An emerging role for chloroplasts in disease and defense

P Kachroo, TM Burch-Smith… - Annual review of …, 2021 - annualreviews.org
Chloroplasts are key players in plant immune signaling, contributing to not only de novo
synthesis of defensive phytohormones but also the generation of reactive oxygen and …

Arabidopsis EXECUTER1 interacts with WRKY transcription factors to mediate plastid-to-nucleus singlet oxygen signaling

Y Li, H Liu, T Ma, J Li, J Yuan, YC Xu, R Sun… - The Plant …, 2023 - academic.oup.com
Chloroplasts produce singlet oxygen (1O2), which causes changes in nuclear gene
expression through plastid-to-nucleus retrograde signaling to increase plant fitness …

Effector XopQ-induced stromule formation in Nicotiana benthamiana depends on ETI signaling components ADR1 and NRG1

J Prautsch, JL Erickson, S Özyürek… - Plant …, 2023 - academic.oup.com
In Nicotiana benthamiana, the expression of the Xanthomonas effector XANTHOMONAS
OUTER PROTEIN Q (XopQ) triggers RECOGNITION OF XOPQ1 (ROQ1)-dependent effector …

Intertwined roles of reactive oxygen species and salicylic acid signaling are crucial for the plant response to biotic stress

T Lukan, A Coll - International Journal of Molecular Sciences, 2022 - mdpi.com
One of the earliest hallmarks of plant immune response is production of reactive oxygen
species (ROS) in different subcellular compartments, which regulate plant immunity. A …

Exploring aquaporin functions during changes in leaf water potential

CS Byrt, RY Zhang, I Magrath, KX Chan… - Frontiers in Plant …, 2023 - frontiersin.org
Maintenance of optimal leaf tissue humidity is important for plant productivity and food
security. Leaf humidity is influenced by soil and atmospheric water availability, by …