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Transcriptomic and functional analyses uncover a conserved effector driving genotype-dependent virulence in the

PubMed · 2026-04-16

Scientists identified a specific protein produced by an invasive plant pathogen that determines how severely it attacks different plant varieties. Understanding this protein explains why some plants are devastated while others survive the same infection.

1

A single conserved effector protein was identified as the key driver of genotype-dependent virulence differences across host plants

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Transcriptomic analysis revealed the effector is expressed during active infection and is functionally required for full pathogen virulence

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The effector's activity varies by host genotype, explaining why the same invasive pathogen causes severe disease in some plant varieties but not others