Research Topic: Fungal effectors

Rhizoctonia solani Secretes RsCAP3 to Target Nb14–3–3b, Interfering with Hormone-Mediated Resistance in Tobacco

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A fungal disease that damages tobacco plants produces a protein called RsCAP3 that helps it evade plant immune defenses. This protein hijacks a plant defense regulator, causing the plant to activate the wrong defense pathway while suppressing another crucial defense mechanism. By manipulating these natural plant defenses, the fungus can infect the tobacco more easily, leading to disease.

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Transcription Factor PFB1 Is Required for the Botrytis cinerea Effector BcSCR1-Mediated Pathogenesis

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Researchers discovered how a fungal disease (grey mould) spreads by identifying a toxic protein it produces that disables a plant’s defense system. The fungal protein BcSCR1 sneaks into plant cells and targets a control switch called PFB1 that normally turns on genes protecting plants from infection. By blocking this control switch, the fungus weakens the plant’s immune defenses and establishes infection more easily.

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Inhibition of RNase to Attenuate Fungal-Manipulated Rhizosphere Microbiome and Diseases

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Fusarium fungi cause devastating crop diseases by producing a protein called Fg12 that acts like a molecular weapon to kill beneficial bacteria in the soil around plant roots. Scientists discovered that a simple compound called GMP can block this fungal weapon, preventing the pathogen from suppressing protective bacteria. By treating seeds or soil with GMP, farmers can significantly reduce root rot in soybeans and alfalfa while promoting plant growth.

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