enzyme activity – Page 6

Esterase and Peroxidase Are Involved in the Transformation of Chitosan Films by the Fungus Fusarium oxysporum Schltdl. IBPPM 543

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Scientists discovered that a common fungus called Fusarium oxysporum can modify chitosan films (made from a natural polymer related to shellfish shells) without destroying them. The fungus produces special enzymes that change the structure of the films, making them stronger and less soluble in acidic solutions. These modified films could be useful for creating new medical devices, drug carriers, and other materials.

Can the DSE Fungus Exserohilum rostratum Mitigate the Effect of Salinity on the Grass Chloris gayana?

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Researchers tested whether a fungus called Exserohilum rostratum could help Rhodes grass tolerate salty soils. While the fungus survived well in salty conditions and colonized plant roots, it only moderately improved plant growth under high salt levels. The fungus did help plants maintain better potassium and calcium balance compared to non-inoculated plants, but this wasn’t always enough to overcome severe salt stress.

Annotated Checklist of Poroid Hymenochaetoid Fungi in Central Asia: Taxonomic Diversity, Ecological Roles, and Potential Distribution Patterns

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Scientists studied wood-decay fungi found in Central Asia’s mountains and forests, identifying 43 species that help break down wood and sometimes damage trees. These fungi have been used traditionally in medicine for various health benefits. The research used computer models to predict where these fungi are most likely to grow based on temperature, rainfall, and host plant availability, finding that they thrive best in mountainous regions where specific trees and shrubs grow.

Impact of nitrogen fertilization on soil microbial diversity, its mediated enzyme activities, and stem nematode population in sweet potato fields

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Researchers studied how different amounts of nitrogen fertilizer affect sweet potato growth and soil health. They found that the right amount of nitrogen (64.8 kg per hectare) boosts beneficial soil bacteria and fungi while reducing harmful nematode parasites that damage sweet potatoes. This optimal fertilization level improved yields and plant health by maintaining a better balance of soil microorganisms.

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

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Researchers studied a special fungus from Antarctica that produces an enzyme called sialidase. When temperatures dropped dramatically, the fungus activated this enzyme along with other protective defenses to survive. The study found that under extreme cold stress, sialidase activity increased significantly, suggesting it helps the fungus protect itself from oxidative damage caused by freezing temperatures. This is the first discovery showing sialidase plays an important role in how Antarctic fungi survive in their extreme environment.

Citric Acid Induces the Increase in Lenthionine Content in Shiitake Mushroom, Lentinula edodes

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Shiitake mushrooms are prized for their unique flavor, which comes from a compound called lenthionine. This study found that treating shiitake mushrooms with citric acid (a common ingredient in food) can significantly increase the amount of lenthionine produced. The research identified the specific genes and enzymes responsible for this effect and determined the best conditions for the treatment, which could help mushroom producers create higher-quality, better-tasting products at lower cost.

Modulation of Abortiporus biennis Response to Oxidative Stress by Light as a New Eco-Friendly Approach with a Biotechnological Perspective

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Researchers studied how a type of fungus called Abortiporus biennis responds to stress created by a chemical compound (menadione) and different colors of light. They found that combining white light with menadione dramatically increased the production of laccase, an important enzyme used in industrial applications. This discovery offers an inexpensive, non-toxic way to boost enzyme production without using expensive chemical additives, potentially improving medical and industrial uses of this fungus.

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.

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.

Biodegradation of ramie stalk by Flammulina velutipes: mushroom production and substrate utilization

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This study shows that mushroom farmers can use ramie plant stalks, which are normally considered waste from textile production, as a growing substrate for golden needle mushrooms (Flammulina velutipes). By mixing ramie stalk with other common ingredients like wheat bran and cottonseed hulls in the right proportions, researchers achieved mushroom yields higher than using traditional substrates alone. This discovery helps reduce farming costs while solving an environmental waste disposal problem.

Research Keyword: enzyme activity