therapeutic action: heavy metal sequestration

Gigaspora roseae and Coriolopsis rigida Fungi Improve Performance of Quillaja saponaria Plants Grown in Sandy Substrate with Added Sewage Sludge

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Researchers studied how two types of beneficial fungi (mycorrhizal and saprophytic) can help a Chilean tree called Quillaja saponaria grow better in sandy soil mixed with treated sewage sludge. When plants were inoculated with these fungi and given moderate amounts of sludge, they showed significantly improved growth. The saprophytic fungus alone produced the best results, increasing plant height by over 300%. This approach could help recycle sewage waste while growing useful plants that produce saponins used in medicine and industry.

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Actinorhizal plants and Frankiaceae: The overlooked future of phytoremediation

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Actinorhizal plants are special trees and shrubs that team up with beneficial bacteria called Frankiaceae to clean up polluted and degraded soils. This natural partnership helps these plants survive harsh conditions like salty or heavy metal-contaminated soil while also cleaning up the environment. The bacteria help the plants by providing essential nitrogen and improving their ability to tolerate pollution, making them an inexpensive and sustainable solution for restoring degraded farmland.

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Phytoremediation of Heavy Metal-Contaminated Soil Using Drought-Adapted Sweet Sorghum (Sorghum bicolor L.) in Arid Regions of Kazakhstan

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Researchers found that sweet sorghum, a drought-tolerant crop, can effectively clean soil contaminated with toxic metals in Kazakhstan’s dry regions. By carefully selecting genotypes that were both adapted to harsh conditions and showed strong growth in laboratory tests, they demonstrated that the plants accumulate lead, cadmium, and cobalt primarily in their roots, making them safe for harvesting. This plant-based approach offers an affordable and environmentally friendly alternative to expensive traditional soil cleanup methods.

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In Vitro Mycorrhization for Plant Propagation and Enhanced Resilience to Environmental Stress: A Review

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Mycorrhizal fungi form beneficial partnerships with plant roots, significantly improving plant health and resilience to environmental stresses like drought and disease. Scientists can now grow these fungi in laboratory conditions alongside plant tissues to create enhanced plants that are stronger and more productive. This in vitro mycorrhization approach offers a sustainable alternative to chemical fertilizers and pesticides, potentially revolutionizing agriculture to better withstand climate change challenges while maintaining food security.

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

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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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