Fungal pathogens of plants often secrete proteins that aid growth and reproduction in the host. These are termed effector proteins, and some are deregulated metabolic enzymes that manipulate key metabolic pathways in plants. A new protein has been identified in maize which blocks the enzymatic activity of a fungal effector enzyme, thereby thwarting the effector’s ability to influence maize metabolism in a way that limits the plant’s defence response.
For more details: https://www.nature.com/articles/d41586-019-00092-2
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