Research Topic: stress response

Low temperature, mechanical wound, and exogenous salicylic acid (SA) can stimulate the SA signaling molecule as well as its downstream pathway and the formation of fruiting bodies in Flammulina filiformis

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Researchers studied how cooling, physical damage, and a plant hormone called salicylic acid can trigger fruiting body formation in an edible mushroom called Flammulina filiformis. They discovered that these treatments activate specific genes in the mushroom that control fruit production. This research helps explain why mushroom farmers use these methods and could improve mushroom cultivation efficiency.

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The putative forkhead transcription factor FhpA is necessary for development, aflatoxin production, and stress response in Aspergillus flavus

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Aspergillus flavus is a fungus that contaminates crops and produces aflatoxins, dangerous toxins that can harm human health and reduce crop value. Scientists studied a specific regulatory gene called fhpA that controls how this fungus develops and produces aflatoxins. They found that removing this gene causes the fungus to produce more aflatoxins and more spores but lose the ability to form protective sclerotial structures, suggesting this gene could be a target for controlling aflatoxin contamination in foods.

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The Kelch Repeat Protein VdKeR1 Is Essential for Development, Ergosterol Metabolism, and Virulence in Verticillium dahliae

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Verticillium dahliae is a serious fungal disease that kills many important crops like cotton and tomato by clogging their water-conducting vessels. Scientists discovered a protein called VdKeR1 that helps this fungus grow and cause disease by controlling how it makes ergosterol, a crucial component of fungal cell membranes. When researchers removed this protein, the fungus grew poorly, couldn’t form survival structures, and was much less dangerous to plants.

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The protein kinases family in fungi: adaptability, virulence and conservation between species

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Protein kinases are cellular ‘switches’ that help fungi survive harsh conditions by regulating how cells make proteins and adapt to stress. A particularly important kinase called GCN2 acts as a sensor that detects when fungi lack amino acids, triggering a survival response that helps the fungus adapt and maintain pathogenicity. This review shows how understanding GCN2 could help scientists develop new antifungal drugs to treat fungal infections.

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Transcriptome Analysis Reveals Critical Genes Involved in the Response of Stropharia rugosoannulata to High Temperature and Drought Stress

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This study examined how a type of edible mushroom called Stropharia rugosoannulata responds to high heat and dry conditions by analyzing which genes become active. Researchers found that under stress, the mushroom activates specific genes that help it survive, particularly through a cellular communication pathway called MAPK. They identified 15 key genes that could be useful for breeding mushroom varieties that better withstand harsh growing conditions, which could improve mushroom farming efficiency.

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