Research Keyword: arsenic toxicity

Integration of physio-biochemical, biological and molecular approaches to improve heavy metal tolerance in plants

Heavy metals in soil can poison plants and damage crops, reducing food safety. Plants have natural defense systems that can be strengthened through adding minerals like silicon and boron, applying plant hormones, using specially designed nanoparticles, and improving soil quality. This review explains how different combinations of these approaches can help plants survive in contaminated soil and produce safer food.

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Assessment of Heavy Metals in Mexican Dietary Supplements Using Total X-Ray Fluorescence Spectrometry and Health Risk Evaluation

Mexican dietary supplements commonly contain toxic heavy metals like lead, arsenic, and chromium. While individual metal levels in most supplements appeared safe when consumed alone, the cumulative exposure from multiple metals could increase cancer risk over a lifetime. The study found that some popular supplements, particularly those marketed for weight loss and blood detoxification, contained concerning metal levels, especially seaweed-based products and animal-origin supplements. Better regulation and labeling of dietary supplements in Mexico is urgently needed to protect consumers from long-term health risks.

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Arsenic Stress Resistance in the Endophytic Fungus Cladosporium cladosporioides: Physiological and Transcriptomic Insights into Heavy Metal Detoxification

Researchers discovered a special fungus called Cladosporium cladosporioides living inside the roots of Gentiana yunnanensis, a traditional Chinese medicinal herb. This fungus is remarkably good at tolerating and neutralizing arsenic, a toxic heavy metal found in contaminated soils. The fungus uses multiple strategies to protect itself from arsenic damage, including moving the arsenic to its cell walls, converting it into less toxic forms, and activating protective defense systems.

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