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High-Throughput Oxygen Consumption Measurements in Leaf Tissue Using Oxygen Sensitive Fluorophores
Brendan M O'Leary1, Glenda Guek Khim Oh2, A Harvey Millar2
1Australian Research Council Centre of Excellence in Plant Energy Biology, School of Molecular Sciences, University of Western Australia, Perth, WA, Australia. Brendan.oleary@agr.gc.ca.
Methods in Molecular Biology (Clifton, N.J.)
|September 21, 2021
Summary
New methods using oxygen-sensitive fluorophores enable high-throughput, long-duration measurement of plant tissue oxygen consumption rates (OCRs). This advances the study of mitochondrial biochemistry and metabolic regulation in plants.
Area of Science:
- Plant physiology
- Mitochondrial biochemistry
- Metabolic regulation
Background:
- Respiratory rate measurements are vital for understanding mitochondrial function and metabolic regulation in plant tissues.
- Existing technologies for measuring oxygen consumption or carbon dioxide evolution are often limited to short durations and isolated samples.
Purpose of the Study:
- To introduce novel methods for measuring tissue oxygen consumption rates (OCRs) using oxygen-sensitive fluorophores.
- To highlight the advantages of these new methods for high-throughput and long-duration plant respiration studies.
Main Methods:
- Utilized oxygen-sensitive fluorophores to develop new systems for measuring tissue oxygen consumption rates (OCRs).
- Focused on methods suitable for comparative analyses across different treatments or genotypes.
Main Results:
- The described methods facilitate high-throughput measurements of plant respiration.
- These techniques allow for extended, long-duration monitoring of oxygen consumption rates.
- The system is well-suited for investigating metabolic regulation by comparing OCRs.
Conclusions:
- The developed fluorophore-based methods offer significant advantages for plant respiration research.
- These advancements enable more comprehensive studies into mitochondrial biochemistry and metabolic regulation.
- The high-throughput and long-duration capabilities support detailed investigations of respiratory responses.

