Tiny selenium particles boost stress defenses in plants and animals differently
Zhao L, Xing Y, Ren M, Li F, Liang Y
Crop Improvement
If you've ever used a selenium-enriched fertilizer or supplement on your garden, this research explains how those particles actually get absorbed and put to work inside plant cells to help them handle drought, heat, or disease stress.
Selenium nanoparticles are tiny, easily absorbed bits of selenium that scientists are studying as a way to boost health in both plants and animals. This review compares how each group uses them: plants adjust their stress hormones and internal chemistry to become tougher against things like drought or pests, while animals weave the selenium into special proteins that manage their body's antioxidant defenses. Understanding these different pathways could lead to better selenium-based products for growing healthier, more resilient crops.
Key Findings
SeNPs act as dynamic regulators of redox signaling and reactive oxygen species (ROS) networks rather than simple antioxidant supplements.
In plants, SeNPs modulate ROS signaling, antioxidant defense systems, hormone responses, and stress-adaptation pathways to build metabolic plasticity.
In animals, SeNPs are integrated into selenoprotein biosynthesis, affecting redox balance, immune response, metabolism, and stress resistance.
chevron_right Technical Summary
Selenium nanoparticles help plants and animals cope with stress in different ways: plants use them to fine-tune stress hormones and defense chemistry, while animals build them into protein-based antioxidant systems. This comparative review suggests smarter ways to use selenium nanoparticles for healthier crops and livestock.
Abstract Preview
Original paper
Mechanistic Insights into Selenium Nanoparticles: Comparative Effects in Plant and Animal Systems.
Selenium nanoparticles (SeNPs), characterized by high bioavailability and low toxicity, have emerged as a class of redox-active nanomaterials that can modulate cellular oxidative states. However, p...
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