Citric acid impairs type B trichothecene biosynthesis of Fusarium graminearum but enhances its growth and pigment biosynthesis: transcriptomic and proteomic analyses
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Researchers discovered that citric acid, a natural acid found in plant roots and commonly used in agriculture, can reduce the production of dangerous mycotoxins called trichothecenes that contaminate wheat and corn crops. While citric acid surprisingly boosts the fungus’s growth and changes its color, it simultaneously shuts down the genes responsible for producing these toxic compounds. This discovery could help farmers use citric acid more strategically to prevent Fusarium head blight, a devastating crop disease, though care must be taken since it also promotes fungal growth.