Understanding Phosphine Toxicity
Author Information
Author(s): Nath Nisa S., Bhattacharya Ishita, Tuck Andrew G., Schlipalius David I., Ebert Paul R.
Primary Institution: University of Queensland
Hypothesis
The study proposes that the mechanisms of phosphine toxicity are interdependent contributors including disruption of the sympathetic nervous system, suppressed energy metabolism, and toxic changes to the redox state of the cell.
Conclusion
Phosphine toxicity is linked to its effects on acetylcholine signaling and energy metabolism, which can lead to oxidative stress and metabolic crises.
Supporting Evidence
- Phosphine is the most widely used treatment for stored grain against pests.
- Phosphine disrupts energy metabolism, particularly mitochondrial function.
- Oxidative stress is a significant factor in phosphine toxicity.
Takeaway
Phosphine is a gas used to kill pests in stored grain, but it can also be very harmful to living things by messing with their energy and signaling systems.
Methodology
The review integrates the chemistry of phosphine with biochemical and physiological responses to phosphine exposure, focusing on mechanisms of toxicity.
Limitations
The review does not cover all aspects of phosphine action, such as its regulation of uptake or genotoxicity.
Digital Object Identifier (DOI)
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