Related Experiment Video
Updated: Oct 15, 2025

06:10
Assessment of Cellular Oxidation using a Subcellular Compartment-Specific Redox-Sensitive Green Fluorescent Protein
Published on: June 18, 2020
7.4K
Measuring ROS and redox markers in plant cells
Salma Akter1,2, Mohammad Shahneawz Khan1,2, Edward N Smith3
1Department of Chemistry, University of Oxford Oxford UK emily.flashman@chem.ox.ac.uk.
RSC Chemical Biology
|October 27, 2021
Summary
Reactive oxygen species (ROS) are crucial plant stress signals, but excess ROS causes cell damage. Understanding ROS measurement tools is vital for engineering climate-resilient crops.
Area of Science:
- Plant Biology
- Biochemistry
- Environmental Science
Background:
- Reactive oxygen species (ROS) are by-products of plant cell metabolism.
- While ROS act as signaling molecules, excessive levels cause oxidative stress, damaging biomolecules.
- Climate change increases crop exposure to multiple stresses, necessitating enhanced plant stress tolerance.
Purpose of the Study:
- To review current chemical and biological tools for measuring ROS and redox imbalance in plants.
- To highlight challenges in ROS detection, especially species-specific measurement.
- To identify opportunities for advancing ROS measurement methodologies.
Main Methods:
- Literature review of existing techniques for ROS and redox marker detection.
- Analysis of the limitations of current ROS measurement tools.
- Discussion of future directions in plant redox biology research.
Main Results:
- A comprehensive overview of available ROS and redox measurement techniques is presented.
- Current methods face challenges due to the reactive and transient nature of ROS.
- Significant limitations exist in achieving species-specific ROS detection in plant tissues.
Conclusions:
- Accurate measurement of ROS and redox markers is critical for understanding plant stress responses.
- Advancements in methodology are needed to overcome current detection limitations.
- Improved ROS detection will aid in developing stress-tolerant crop varieties.

