Research Keyword: Zn2-Cys6 transcription factor

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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RttA, a Zn2-Cys6 transcription factor in Aspergillus fumigatus, contributes to azole resistance

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Researchers discovered that a protein called RttA helps a common fungus called Aspergillus fumigatus resist azole medicines, which are used to treat serious fungal infections. By studying how this protein works and which genes it controls, scientists found that RttA could be a new target for developing better antifungal treatments. The findings are important because azole-resistant fungal infections are becoming more common worldwide and harder to treat.

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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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A fungal biocontrol agent called Trichoderma guizhouense uses a special protein called TgZct4 to protect itself from harmful oxidative stress caused by hydrogen peroxide. When the fungus encounters this stress, TgZct4 activates a series of antioxidant enzymes that neutralize the damaging reactive oxygen species. This discovery helps explain how this beneficial fungus can survive and control plant diseases in harsh soil environments, potentially improving its use as an environmentally friendly alternative to chemical pesticides.

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