Research Keyword: secreted proteins

FoCup, a secreted protein, is essential for virulence of Fusarium oxysporum f. sp. cucumerinum on cucumber

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Researchers identified a key protein called FoCup that helps a fungal pathogen infect cucumber plants and cause devastating wilt disease. By deleting this protein from the fungus, scientists significantly reduced its ability to cause disease and produce spores needed for spreading. This discovery could help develop new ways to protect cucumber crops by targeting this critical virulence factor.

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A broadly conserved fungal chorismate mutase targets the plant shikimate pathway to regulate salicylic acid production and other secondary metabolites

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Fungal pathogens produce proteins called effectors that help them infect plants. This study discovered that a fungus called Sclerotinia sclerotiorum produces an effector that enters plant cells and travels to chloroplasts. Unlike similar effectors in other fungi, this protein increases the production of salicylic acid, a plant defense hormone, while reducing other protective compounds. This creates conditions favorable for the fungus to establish infection.

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The Egh16-like virulence factor TrsA of the nematode-trapping fungus Arthrobotrys flagrans facilitates intrusion into its host Caenorhabditis elegans

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Researchers discovered how a soil fungus that traps worms produces a special protein called TrsA to break down the worm’s protective outer layer. This protein acts like molecular scissors that weakens the worm’s skin and helps the fungus invade and spread throughout the worm’s body. The findings reveal a clever infection strategy used by predatory fungi and could help understand how similar fungi attack other organisms.

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