Disease: plant pathogenic fungal infections

Inhibitory Activity of Shrimp Waste Extracts on Fungal and Oomycete Plant Pathogens

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Researchers discovered that waste from shrimp processing can be converted into a natural fungicide that effectively kills plant-damaging fungi and mold. When applied to oranges, lemons, and apples artificially infected with mold, the shrimp waste extract significantly reduced rot and fruit damage. This finding is important because it offers a more environmentally friendly alternative to chemical fungicides while helping reduce the massive amounts of shrimp processing waste that typically end up in landfills or oceans.

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A Zn2-Cys6 transcription factor, TgZct4, reprograms antioxidant activity in the fungus Trichoderma guizhouense to defend against oxidative stress

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Researchers discovered a key protein switch in a beneficial fungus called Trichoderma guizhouense that helps it survive harmful oxidative stress. This fungus is used as a natural pesticide to protect crops from disease. The protein, called TgZct4, acts like a master controller that turns on the fungus’s defense systems when it encounters damaging chemical stress, making it more resilient and effective at protecting plants.

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A Zn2-Cys6 transcription factor, TgZct4, reprograms antioxidant activity in the fungus Trichoderma guizhouense to defend against oxidative stress

mycolabadmin

Trichoderma guizhouense is a fungus used to protect plants from harmful pathogens. Researchers discovered that a special protein called TgZct4 acts like a master switch that activates the fungus’s defense system against harmful reactive oxygen molecules. When the fungus encounters stress, TgZct4 turns on genes that produce protective enzymes called catalases and superoxide dismutases, helping the fungus survive. This discovery could help scientists create even more effective biological pest control products.

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