Pleurotus ostreatus – Page 14

Characterization of the Enzymatic and Biosorption Processes Involved in the Decolorization of Remazol Brilliant Blue R Dye by Pleurotus ostreatus Pellets

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Researchers used oyster mushroom (Pleurotus ostreatus) pellets to remove toxic blue dye commonly found in textile wastewater. The study found that these mushroom pellets achieved 98.5% dye removal through multiple mechanisms: special enzymes (laccase and peroxidase) that break down the dye molecules, and physical absorption where the dye sticks to the mushroom cells. The mushroom could also use the dye as a food source, making this an effective and sustainable approach for cleaning industrial wastewater.

Providing a toolbox for genomic engineering of Trichoderma aggressivum

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Scientists have created a set of tools to genetically engineer Trichoderma aggressivum, a fungus that causes green mold disease in cultivated mushrooms but can also be used beneficially. The study provides step-by-step methods for transforming this fungus using both traditional plasmid methods and modern CRISPR gene-editing technology. These tools will help researchers understand how the fungus works and potentially harness its beneficial properties for agriculture.

GlSlt2 positively regulates GlMyb-mediated cellulose utilization in Ganoderma lucidum

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Scientists discovered how a medicinal mushroom called Ganoderma lucidum breaks down cellulose from plant waste. The study found that a protein called GlSlt2 activates another protein called GlMyb, which then turns on genes that produce cellulase enzymes. These enzymes break down cellulose into sugar that the fungus can use for growth. This discovery could help improve the conversion of agricultural waste into biofuels and other useful products.

Physicochemical Characterization and Antimicrobial Analysis of Vegetal Chitosan Extracted from Distinct Forest Fungi Species

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Researchers extracted and tested chitosan from five different mushroom species as an alternative to traditional crab-derived chitosan for allergic individuals. Using various scientific techniques, they found that chitosan from lion’s mane mushroom (H. erinaceus) had the best ability to dissolve in solution and kill bacteria, making it promising for food preservation. The study shows that mushroom-based chitosan can work as well as or better than shellfish-derived chitosan while avoiding allergen risks, offering a sustainable solution for food packaging and preservation.

Production of β-Glucans by Pleurotus ostreatus: Cultivation and Genetic Background

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Oyster mushrooms (Pleurotus ostreatus) are increasingly popular edible fungi that can grow on various waste materials like agricultural byproducts and food waste, making them both economical and environmentally friendly. These mushrooms produce valuable health-promoting compounds called β-glucans that have immune-boosting and antioxidant properties. Modern scientific techniques, including genetic analysis and artificial intelligence, are being used to optimize cultivation methods and increase production of these beneficial compounds. This sustainable approach to mushroom farming helps reduce waste while providing nutritious and medicinal food products.

Integrated Transcriptomics and Metabolomics Provide Insight into Degeneration-Related Molecular Mechanisms of Morchella importuna During Repeated Subculturing

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Morel mushrooms are prized edible fungi that unfortunately degrade when repeatedly cultured in the laboratory, becoming slower-growing and less productive. Researchers used advanced genetic and chemical analysis to discover that degeneration occurs when the mushroom stops producing flavonoids, natural antioxidants that protect cells from damage. A specific gene called NR-PKS is responsible for making these protective flavonoids, and it shuts down in degraded strains. The study suggests that preservation methods using cold storage or adding antioxidants could help maintain healthy, productive morel cultures.

Efficient conversion of tea residue nutrients: Screening and proliferation of edible fungi

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Researchers developed an environmentally friendly method to convert tea waste into nutritious fungal protein using edible mushrooms. By testing six different fungal species, they found that Monascus kaoliang B6 was most efficient at breaking down the complex fiber structures in tea residue and converting them into fungal biomass. This sustainable process eliminates the need for chemical treatments and harsh conditions, turning agricultural waste into valuable food ingredients.

Novel acid trehalase belonging to glycoside hydrolase family 37 from Pleurotus sp.: cloning, expression and characterization

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Scientists discovered a new enzyme in Pleurotus mushrooms that breaks down trehalose, a special sugar that mushrooms use for growth and survival. This enzyme is unusual because it works in acidic conditions and belongs to a family of enzymes (GH37) that was previously thought only to contain neutral trehalases. The researchers cloned and produced this enzyme in laboratory yeast, then tested its properties to understand how it functions. This discovery helps explain how mushrooms manage their sugar metabolism during growth and decay.

Anticancer Activity of Solvent Extracts of Hexogonia glabra against Cervical Cancer Cell Lines

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Researchers tested extracts from a wild mushroom species called Hexogonia glabra against cervical cancer cells in the laboratory. The ethanolic extract was most effective, killing cancer cells by triggering apoptosis (programmed cell death) and activating genes that fight cancer. The mushroom extracts showed strong anticancer effects without harming normal cells, suggesting it could be a promising source for developing new cancer drugs.

Evolutionary Dynamics and Functional Bifurcation of the C2H2 Gene Family in Basidiomycota

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Researchers analyzed genetic instructions for zinc finger proteins across 30 species of basidiomycete fungi (including mushrooms and fungal pathogens). They found that different fungal species evolved different versions of these proteins based on their lifestyle: fungi that break down wood kept complex gene versions with lots of regulatory switches, while parasitic fungi streamlined their genes for efficiency. By studying when and where these genes are active during mushroom development, scientists discovered they orchestrate different stages from cold adaptation to mature fruiting body formation, revealing how fungi adapt to diverse ecological roles.

Fungal Species: Pleurotus ostreatus