carbohydrate metabolism

Hypoglycemic Properties of Leccinum scabrum Extracts—An In Vitro Study on α-Glucosidase and α-Amylase Inhibition and Metabolic Profile Determination

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Researchers tested birch bolete mushrooms (Leccinum scabrum) for diabetes-fighting properties. They found that extracts from this edible mushroom were exceptionally effective at blocking enzymes that break down carbohydrates, potentially helping control blood sugar levels. The study identified key beneficial compounds including healthy fats and plant alkaloids, suggesting the mushroom could become a functional food or dietary supplement for managing type-2 diabetes.

Essential role of sugar transporters BbStp13 in fungal virulence, conidiation, and cell wall integrity in entomopathogenic fungus Beauveria bassiana

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Researchers studied a fungus called Beauveria bassiana that is used to control insect pests. They found that a protein called BbStp13, which helps the fungus absorb sugars, is crucial for the fungus to infect insects effectively and make spores for spreading. When they removed this protein, the fungus became less dangerous to pests and couldn’t reproduce as well, especially when there wasn’t much food available. These findings could help make this natural pest control method even better.

Comparative transcriptome analysis reveals the role of sugar signaling in response to high temperature stress in Armillaria gallica

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Scientists studied how a fungus called Armillaria gallica responds to high heat, which is important because this fungus forms a partnership with a valuable medicinal plant called Gastrodia elata. They compared a heat-tolerant fungal strain with a heat-sensitive one and found that the heat-tolerant strain increases sugar accumulation and activates specific genes that help it survive hot conditions. Adding sucrose to the fungus’s growth medium helped it tolerate heat better, suggesting that sugar plays a key role in heat stress protection.

Occurrence and function of enzymes for lignocellulose degradation in commercial Agaricus bisporus cultivation

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White button mushrooms grow on compost made from straw and manure through carefully controlled phases. The mushroom uses specific enzymes to break down tough plant materials, especially lignin during the growing mycelium stage, which helps make nutrients available for mushroom formation. Understanding these enzymatic processes could help mushroom farmers improve their production by developing better mushroom strains that degrade plant materials more efficiently.

Ascosphaera apis as a target for the antifungal activity of symbiotic Bifidobacteria in honey bees

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Researchers found that certain beneficial bacteria (Bifidobacterium asteroides) living in honey bee guts can fight the fungus that causes chalkbrood disease, a serious condition affecting bee colonies. These bacteria produce natural compounds, especially propanoic acid and ethanol, that kill the fungus and prevent it from growing. This discovery offers a safe, natural alternative to chemical treatments for protecting honeybees from fungal infections while maintaining colony health.

Transcriptome and metabolome profiling reveal the inhibitory effects of food preservatives on pathogenic fungi

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This research tested three common food preservatives to see how well they stop harmful molds from growing on fruits and vegetables. Scientists found that all three preservatives worked well at different concentrations, with sec-butylamine being particularly effective. By studying the genes and chemical changes in treated fungal cells, they discovered that these preservatives work by damaging the mold’s cell walls and disrupting how it processes sugars, essentially starving and weakening the fungal cells.

Transcriptomic Profiling of Thermotolerant Sarcomyxa edulis PQ650759 Reveals the Key Genes and Pathways During Fruiting Body Formation

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Researchers studied how a special strain of Sarcomyxa edulis (a tasty edible mushroom from Northeast China) develops fruiting bodies by analyzing which genes are turned on and off during this process. By comparing immature mycelium with developing fruiting bodies, they identified key genes responsible for cell division, DNA repair, and energy metabolism that control fruiting body formation. This knowledge can help mushroom farmers improve yield and quality through better understanding of how mushrooms grow. The findings provide a foundation for developing better cultivation techniques and selecting superior mushroom strains for commercial production.

Growth Phase-Dependent Changes in the Carbohydrate Metabolism of Penicillium Strains from Diverse Temperature Classes in Response to Cold Stress

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This study examined how three types of fungus respond to cold temperatures by measuring changes in their metabolic enzymes. Researchers exposed young and old fungal cells to cold stress and found that cold temperatures increased enzyme activity in both energy production pathways. Interestingly, the Antarctic psychrotolerant fungus adapted better to cold than the mesophilic fungi, showing that cold-adapted organisms have superior strategies for surviving freezing conditions.

Mycovorax composti gen. nov., sp. nov., a member of the family Chitinophagaceae isolated from button mushroom compost

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Scientists have discovered a new type of bacteria living in button mushroom compost called Mycovorax composti. This bacterium is found in the compost during a special preparation phase and helps break down tough plant materials and fungal structures. The bacteria thrive at warm temperatures (around 45°C) and play an important role in creating a healthy environment for growing button mushrooms. This discovery helps us better understand the microbial communities that make mushroom farming possible.

Growth Phase-Dependent Changes in the Carbohydrate Metabolism of Penicillium Strains from Diverse Temperature Classes in Response to Cold Stress

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This study examined how different fungal strains from cold and warm environments respond to sudden temperature drops. Researchers tracked enzyme activity related to energy production and found that fungi adapted to cold environments handle stress better than warmth-loving fungi. The type of enzyme activity and how old the fungal cells were both affected the response to cold, providing insights that could help predict how disease-causing fungi behave in cold conditions.

Research Keyword: carbohydrate metabolism