ArticleThe Plant journal : for cell and molecular biology2025
Multiple effectors trigger non-host resistance in Solanum americanum against Pseudomonas syringae.
Article in The Plant journal : for cell and molecular biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
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Authors and funding
4 authors.
Funding
Abstract
Wild plant species are threatened by diverse pathogens, but disease symptoms are rarely observed in nature. This suggests that wild plants harbor valuable sources of resistance. In this study, we show that the model bacterial pathogen Pseudomonas syringae pv. tomato (Pto) DC3000 triggered defense responses in all tested accessions of a wild Solanaceae species, Solanum americanum. Pto DC3000-triggered immunity in S. americanum required a type III secretion system. We show that seven Pto DC3000 effectors (AvrPto, HopAD1, HopAM1, HopC1, HopAA1-1, HopM1, and AvrE1) triggered hypersensitive responses (HR) in S. americanum accession SP2273. Significantly, sequential deletion of the HR-triggering effectors from Pto DC3000 resulted in enhanced virulence in S. americanum. However, the well-conserved effectors, HopM1 and AvrE1, were indispensable for virulence. We conclude that the immunity triggered by multiple effectors contributes to nonhost resistance in S. americanum against P. syringae. We propose that the identification of the corresponding disease resistance genes for HopM1 and AvrE1 in S. americanum would accelerate the development of durable immunity to P. syringae pathogens in Solanaceae crops.
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