Research Keyword: oomycete

Genome analysis of Phytophthora cactorum strains associated with crown- and leather-rot in strawberry

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Strawberry farmers face two serious diseases caused by a water-mold pathogen: crown rot that kills the whole plant and leather rot that spoils the fruit. Scientists sequenced the DNA of different disease-causing strains to understand why some strains can infect only fruit while others destroy the entire plant. They found that highly virulent strains have specific genetic changes in genes that help the pathogen escape the plant’s immune system, which could help develop better disease control strategies.

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In vitro biocontrol potential of plant extract-based formulation against infection structures of Phytophthora infestans along with lower non-target effects

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Researchers tested a plant extract-based treatment against late blight, a serious disease affecting potatoes and tomatoes caused by Phytophthora infestans. The formulated product was highly effective at very low concentrations, stopping the disease at multiple stages of infection. Importantly, it had minimal harmful effects on beneficial microorganisms, making it a promising eco-friendly alternative to synthetic fungicides.

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PcLRR-RK3, an LRR receptor kinase is required for growth and in-planta infection processes in Phytophthora capsici

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Researchers studied a specific protein called PcLRR-RK3 that helps Phytophthora capsici, a disease-causing organism, infect plants. By reducing the amount of this protein, they found that the pathogen became much weaker, could not grow as well, and could not successfully infect plants. This protein sits on the surface of the pathogen’s cells and acts like a communication tool that the organism needs to develop and cause disease.

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