Research Topic: enzyme catalysis

A New Exopolysaccharide from a Wood-Decaying Fungus Spongipellis borealis for a Wide Range of Biotechnological Applications

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Researchers isolated and studied a new polysaccharide from the wood-decaying mushroom Spongipellis borealis. This polysaccharide is composed mainly of glucose, galactose, and mannose sugars and acts as a natural stabilizer for important enzymes used in biotechnology. When this polysaccharide is added to enzyme preparations, it significantly improves their stability and performance under various conditions, making it promising for industrial and medical applications.

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Functional diversification of epidithiodiketopiperazine methylation and oxidation towards pathogenic fungi

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This research shows that Trichoderma hypoxylon, a beneficial fungus used in agriculture, produces different versions of antifungal compounds called epidithiodiketopiperazines (ETPs) to fight various harmful fungi. By deleting genes responsible for modifying these compounds, scientists found that different modifications work better against different pathogens—some modifications are more effective against mold fungi while others work better against grain pathogens. This demonstrates that the fungus uses chemical diversity as a strategy to protect crops from multiple threats.

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In Vitro and Computational Response of Differential Catalysis by Phlebia brevispora BAFC 633 Laccase in Interaction with 2,4-D and Chlorpyrifos

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Scientists studied how two common pesticides (2,4-D and chlorpyrifos) interact with an enzyme called laccase produced by a white rot fungus. Using laboratory tests and computer simulations, they found that the fungus can survive exposure to these pesticides while still producing active laccase. Importantly, chlorpyrifos actually increased the enzyme’s activity, suggesting it could be useful for breaking down pesticide-contaminated soil and water.

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