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Published on: February 7, 2018
Ryanodine receptor acts as a sensor for redox stress
1Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA 95616, USA. inpessah@ucdavis.edu
Pest Management Science
|November 7, 2001
Summary
Ryanodine receptors (RyRs) are potential insecticide targets. Understanding redox control and sulfhydryl chemistry in Ca2+ signaling is key to developing new insect control agents.
Area of Science:
- Biochemistry
- Toxicology
- Insect Physiology
Background:
- Ryanoids are compounds that interact with ryanodine receptors (RyRs), which are crucial for calcium (Ca2+) signaling.
- While not currently major insecticides, RyRs are increasingly recognized as targets due to xenobiotic interactions affecting Ca2+ pathways.
- Redox control of microsomal Ca2+ transport has a historical context, with recent findings highlighting transmembrane redox sensors.
Purpose of the Study:
- To explore the potential of ryanodine receptors (RyRs) as targets for novel insecticides.
- To review the role of redox control in microsomal Ca2+ transport.
- To investigate the involvement of sulfhydryl chemistry and specific cysteine residues in RyR regulation.
Main Methods:
- Historical literature review on redox control of Ca2+ transport.
- Analysis of recent evidence on transmembrane redox sensors involving cysteine residues.
- Focus on sulfhydryl chemistry and its impact on RyR function.
Main Results:
- Hyperactive cysteine residues are identified as essential components of a transmembrane redox sensor.
- Sulfhydryl chemistry plays a significant role in the regulation of RyRs.
- Metabolic quinonoid intermediates from environmental contaminants are relevant to RyR regulation.
Conclusions:
- Ryanodine receptors (RyRs) represent a promising, yet underexplored, target for insecticide development.
- Understanding the redox regulation of RyRs via sulfhydryl chemistry is crucial for identifying new insect control strategies.
- Environmental contaminants acting as metabolic quinonoids may offer insights into RyR-targeted pest control.
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