Research Topic: microRNA-like RNAs

Unveiling microRNA-like small RNAs implicated in the initial infection of Fusarium oxysporum f. sp. cubense through small RNA sequencing

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Researchers discovered specific small RNA molecules produced by the fungus that causes banana wilt disease. These molecular signals, particularly one called milR106, are critical for the fungus’s ability to infect and damage banana plants. By understanding how these molecules work, scientists can develop better strategies to protect banana crops from this devastating disease that threatens global banana production.

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Argonaute1-Dependent LtmilR2 Negatively Regulated Infection of Lasiodiplodia theobromae by Targeting a Guanine Nucleotide Exchange Factor in RAS Signalling

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Scientists discovered a tiny regulatory RNA molecule called LtmilR2 in a fungus that causes grape disease. This molecule naturally suppresses the fungus’s ability to cause infection by shutting down a gene called LtRASGEF. When researchers delivered LtmilR2 using specially designed nanoparticles, it successfully stopped the fungus from growing. This discovery could lead to a new type of biological fungicide for protecting grapes and vineyards.

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Global Analysis of microRNA-like RNAs Reveals Differential Regulation of Pathogenicity and Development in Fusarium oxysporum HS2 Causing Apple Replant Disease

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Apple replant disease is caused by a fungus that damages apple tree roots and reduces fruit production. Researchers discovered that this fungus uses special regulatory molecules called microRNA-like RNAs to control its growth and disease-causing abilities, especially during the spore stage. These findings could help scientists develop new ways to control the disease using RNA-based treatments.

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Argonaute1-Dependent LtmilR2 Negatively Regulated Infection of Lasiodiplodia theobromae by Targeting a Guanine Nucleotide Exchange Factor in RAS Signalling

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Scientists discovered a small RNA molecule called LtmilR2 in a fungus that causes grape canker disease. This molecule naturally suppresses the fungus’s ability to infect grapes. By delivering this molecule or similar RNA duplexes to the fungus, researchers were able to inhibit its growth and infection, suggesting a new type of biological fungicide that could protect vineyards without chemical pesticides.

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