oxidative stress – Page 6

Comparative Study and Transcriptomic Analysis on the Antifungal Mechanism of Ag Nanoparticles and Nanowires Against Trichosporon asahii

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Researchers compared two types of tiny silver particles (nanoparticles and nanowires) as potential treatments for a dangerous fungal infection caused by Trichosporon asahii. Silver nanowires were found to be more effective than nanoparticles at killing the fungus by damaging its cell membranes and disrupting its energy production. The study identified 15 key genes involved in how silver nanowires attack the fungus, suggesting these nanomaterials could become useful alternatives to traditional antifungal drugs.

Inhibitory Effect and Mechanism of Dryocrassin ABBA Against Fusarium oxysporum

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Researchers found that dryocrassin ABBA, a compound from a traditional East Asian fern, can effectively kill the fungus that causes potato rot disease. The compound damages the fungus by increasing harmful reactive oxygen species and disrupting the fungus’s ability to break down plant cell walls. This natural substance could potentially replace synthetic chemical fungicides, offering a safer and more environmentally friendly way to protect potatoes from disease.

Asymmetric mitonuclear interactions trigger transgressive inheritance and mitochondria-dependent heterosis in hybrids of the model system Pleurotus ostreatus

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This research examines how mushroom hybrids inherit different combinations of genes from their parents, specifically looking at genes in the nucleus versus the mitochondria (cellular energy factories). When mushrooms with mismatched nuclear and mitochondrial genes are crossed, some grow slowly and show stress, while others surprisingly grow very well. The study identifies which genes are activated under these conditions and how they affect mushroom production quality and yield.

Antimicrobial effects and mechanisms of hydrogen sulphide against nail pathogens

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Researchers discovered that hydrogen sulphide (H2S), a small gas molecule, can effectively kill the fungi and bacteria that cause painful nail infections. Unlike current treatments that struggle to penetrate into the nail, hydrogen sulphide easily diffuses through the nail plate. The study found that H2S works by damaging the fungi’s respiratory system and creating harmful reactive oxygen species, while also modifying proteins in a way that disrupts their normal function. This innovative approach could offer patients a new topical treatment option for nail infections that have been difficult to treat with existing medications.

Impact of a Formulation Containing Chaga Extract, Coenzyme Q10, and Alpha-Lipoic Acid on Mitochondrial Dysfunction and Oxidative Stress: NMR Metabolomic Insights into Cellular Energy

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A new supplement formula combining Chaga mushroom extract, Coenzyme Q10, and alpha-lipoic acid was tested on nerve cells in the laboratory. The formula increased the cells’ energy production and protected them from harmful oxidative stress. This could potentially help people with conditions like fibromyalgia and neurodegenerative diseases that involve mitochondrial dysfunction.

A Possible Involvement of Sialidase in the Cell Response of the Antarctic Fungus Penicillium griseofulvum P29 to Oxidative Stress

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Scientists studied a fungus from Antarctica to understand how it survives in extremely cold conditions. They discovered that when exposed to cold temperatures, this fungus produces more of an enzyme called sialidase, which appears to help protect cells from damage caused by reactive oxygen molecules. This finding adds to our understanding of how microorganisms adapt and survive in the world’s harshest environments.

Flammulina velutipes stem regulates oxidative damage and synthesis of yolk precursors in aging laying hens by regulating the liver–blood–ovary axis

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This study shows that adding golden needle mushroom stems to the feed of aging laying hens improves egg production by reducing oxidative damage and boosting reproductive hormones. The mushroom stem, normally a waste product, works through a liver-ovary signaling pathway to enhance the production of yolk-building proteins and improve the quality and number of developing eggs. The treatment was particularly effective at doses of 4-6% supplementation and also had beneficial side effects like reducing abdominal fat and improving eggshell thickness.

A Possible Involvement of Sialidase in the Cell Response of the Antarctic Fungus Penicillium griseofulvum P29 to Oxidative Stress

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Scientists studied a cold-loving fungus from Antarctica to understand how it survives in extreme cold. They found that when exposed to freezing temperatures, the fungus produces more of an enzyme called sialidase, along with other protective molecules. This appears to be part of the fungus’s survival strategy against the damaging effects of cold stress, helping it protect its cells from oxidative damage.

Editorial: Highlights of the 1st Fun-Ex Conference: evolution, biodiversity, taxonomy and genomics of extremophilic and extremotolerant fungi

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Fungi that live in extreme environments like deserts, frozen Antarctic valleys, and salt lakes have evolved remarkable survival strategies. Scientists gathered at the 1st Fun-Ex Conference to share discoveries about how these tough fungi handle stress, what makes them diverse, and how we might use them to clean up pollution or help crops grow in harsh conditions. This research shows that these extraordinary organisms could unlock new solutions for environmental and agricultural challenges.

Corrigendum: Compounds purified from edible fungi fight against chronic inflammation through oxidative stress regulation

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This article is a correction to a previous study about beneficial compounds found in edible mushrooms. The study examined how various mushroom-derived substances like polysaccharides and peptides can combat chronic inflammation by reducing oxidative stress in the body. Multiple mushroom species were analyzed for their antioxidant properties and mechanisms of action. The corrections ensure proper citation of the original research sources while maintaining the core scientific findings.

Research Topic: oxidative stress