Research Keyword: cold stress

Low Temperature Enhances N-Metabolism in Paxillus involutus Mycelia In Vitro: Evidence From an Untargeted Metabolomic Study

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Researchers studied how a common forest fungus (Paxillus involutus) responds to cold temperatures like those found in spring and autumn. Surprisingly, even though the fungus grew slower in the cold, it actually increased its nitrogen uptake and production of amino acids, the building blocks of proteins. This suggests the fungus has special adaptation mechanisms to thrive in cold environments, which could be important for understanding how climate change might affect forest health.

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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 how a fungus from Antarctica called Penicillium griseofulvum survives in extremely cold conditions. They discovered that when exposed to cold temperatures, the fungus produces an enzyme called sialidase at higher levels, which helps it defend against damage caused by reactive oxygen species (harmful molecules). This response works alongside other protective enzymes, suggesting that sialidase is an important part of the fungus’s survival strategy in cold environments.

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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.

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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.

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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 cold-loving fungus from Antarctica to understand how it survives in extreme cold. They found that when exposed to freezing temperatures, the fungus produces more of an enzyme called sialidase, along with other protective molecules. This appears to be part of the fungus’s survival strategy against the damaging effects of cold stress, helping it protect its cells from oxidative damage.

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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.

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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.

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