Agaricus bisporus – Page 18

Antagonistic mechanism of Bacillus velezensis HX0039 as a biocontrol agent against Trichoderma virens-induced ‘Sanghuang’ green mold

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Scientists discovered a beneficial bacteria called Bacillus velezensis HX0039 that can protect ‘Sanghuang’ mushrooms from harmful green mold disease. This bacteria produces natural antifungal compounds like iturin A that stop the disease without harming the mushrooms or the environment. Testing showed it was 83% effective at preventing green mold and was completely safe for both mushroom cultivation and animal consumption, making it a promising alternative to chemical fungicides.

Low temperature, mechanical wound, and exogenous salicylic acid (SA) can stimulate the SA signaling molecule as well as its downstream pathway and the formation of fruiting bodies in Flammulina filiformis

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Researchers studied how cooling, physical damage, and a plant hormone called salicylic acid can trigger fruiting body formation in an edible mushroom called Flammulina filiformis. They discovered that these treatments activate specific genes in the mushroom that control fruit production. This research helps explain why mushroom farmers use these methods and could improve mushroom cultivation efficiency.

Bibliometric analysis of European publications between 2001 and 2016 on concentrations of selected elements in mushrooms

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Researchers reviewed 200 European studies from 2001-2016 examining how mushrooms absorb heavy metals from soil. They found that mushrooms, especially edible species, can accumulate dangerous metals like cadmium, lead, and mercury, with the highest contamination in mushrooms from polluted industrial areas. Turkey, Poland, Spain, and Czech Republic led research efforts on this topic. Scientists increasingly used health risk assessment methods to determine safe consumption levels of mushrooms from different habitats.

Mushroom stem-based diets elicit region-specific shifts in rainbow trout gut microbiota

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Researchers fed rainbow trout different diets containing mushroom stem waste from grocery stores for six weeks and studied how the mushroom ingredients affected the fish’s gut bacteria. They found that mushroom diets promoted beneficial bacteria in different parts of the fish’s intestine without harming the fish. This research shows that mushroom waste can be recycled into healthy fish feed while supporting the fish’s digestive health and supporting a more circular food system.

Whole Genome Sequence of the Commercially Relevant Mushroom Strain Agaricus bisporus var. bisporus ARP23

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Researchers sequenced the complete genome of a wild button mushroom strain (ARP23) that has been successfully bred with commercial mushrooms to create the ‘Heirloom’ variety. This strain is larger and contains more genes than other known button mushroom strains, making it valuable for breeding disease-resistant varieties. The genome sequence reveals that all button mushroom strains share core genes for breaking down plant material in compost, but have diverse collections of optional genes. This genetic resource provides a foundation for developing mushrooms more resistant to diseases and viruses.

Fungal and Microalgal Chitin: Structural Differences, Functional Properties, and Biomedical Applications

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Chitin is a natural fiber found in mushrooms, algae, and shellfish that has many medical and industrial uses. Traditional chitin from shellfish shells has environmental and contamination problems, so scientists are studying chitin from mushrooms and algae as cleaner alternatives. These sources produce chitin with different structures that can be better for certain medical applications, and can be extracted using environmentally friendly methods.

Impact of Phellinus gilvus mycelia on growth, immunity and fecal microbiota in weaned piglets

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Researchers tested whether a medicinal mushroom called Phellinus gilvus could replace antibiotics in pig feed as a growth promoter. Over 28 days, piglets fed mushroom-supplemented diets grew as well as those given antibiotics while showing even better immune system activation. Unlike antibiotics that drastically changed the gut bacteria composition, the mushroom only slightly modified it while still reducing harmful E. coli bacteria. This suggests the mushroom could be a safer alternative to antibiotics in pig farming.

Inhibitory Effects of Origanum vulgare Essential Oil on Mycogone perniciosa Growth in Agaricus bisporus Cultivation

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A new study shows that oregano essential oil can effectively prevent and treat wet bubble disease in button mushrooms, a fungal infection that costs farmers millions in crop losses. The oil works better than conventional chemical fungicides and contains powerful antifungal compounds like carvacrol and thymol. When applied at the right time, oregano oil completely stopped the disease from developing while maintaining healthy mushroom yields. This natural solution could help organic mushroom farmers reduce their reliance on synthetic chemicals.

Toxicity of Volatile Organic Compounds Produced by Pathogens Ewingella americana and Cedecea neteri Associated with Pleurotus pulmonarius

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Researchers discovered that two types of bacteria (Ewingella americana and Cedecea neteri) causing diseases in oyster mushrooms (Pleurotus pulmonarius) produce harmful volatile compounds. These airborne toxins, especially one called 2,4-di-tert-butylphenol, can damage mushroom tissue and stop mushroom growth at very low concentrations. This is the first study showing that these bacterial volatiles are important factors in mushroom disease, which could help farmers develop better ways to detect and prevent these infections.

Sustainable Recycling of Mushroom Residue as an Effective Substitute for Cotton Hull Waste in Volvariella volvacea Cultivation: Evidence from Physicochemical and Microbiome Analyses

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This research shows that mushroom waste left over from growing one type of mushroom can be recycled to grow another type of mushroom, called straw mushroom. The recycled mushroom waste works just as well as the traditional cotton hull material currently used, but costs much less money. By analyzing the bacteria and chemical changes during the composting process, scientists found that beneficial bacteria break down the organic matter effectively, making this recycling method both environmentally friendly and economically practical.

Fungal Species: Agaricus bisporus