Research Keyword: glycoside hydrolases

A Combination of Transcriptome and Enzyme Activity Analysis Unveils Key Genes and Patterns of Corncob Lignocellulose Degradation by Auricularia heimuer under Cultivation Conditions

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Researchers investigated using corncob, a corn industry byproduct, as a growing medium for Auricularia heimuer mushrooms instead of expensive sawdust. By analyzing which genes the mushroom activates at different growth stages, they identified key enzymes responsible for breaking down corncob’s tough cellulose structure. The findings show the mushroom can effectively adapt to use corncob as a substrate, offering a sustainable and economical alternative for mushroom farming while reducing agricultural waste.

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Mechanism Underlying Ganoderma lucidum Polysaccharide Biosynthesis Regulation by the β-1,3-Glucosyltransferase Gene gl20535

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Researchers studied a gene called gl20535 in the medicinal mushroom Ganoderma lucidum that controls how the fungus makes beneficial polysaccharides. When they increased this gene’s activity, the mushroom produced significantly more polysaccharides with improved composition. The gene works by controlling sugar pathways and related enzyme production, and the mushroom compensates when this gene is reduced. These findings could help improve the production of medicinal mushroom products for food and health applications.

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Transcriptomic insights into the molecular mechanism of abietic acid promoting growth and branching in Armillaria gallica

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Scientists discovered that abietic acid, a natural compound from pine trees, significantly boosts the growth of Armillaria gallica mushrooms by up to 302% in just three days. This fungus is important because it helps grow Gastrodia elata, a valuable traditional Chinese medicinal herb. By studying which genes turned on in response to abietic acid, researchers found it works by helping the fungus break down nutrients more efficiently and remodel its cell walls for better growth. This discovery could improve cultivation techniques for medicinal mushrooms and their plant partners.

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