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Multiple effectors trigger non-host resistance in Solanum americanum against Pseudomonas syringae.

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Τίτλος: Multiple effectors trigger non-host resistance in Solanum americanum against Pseudomonas syringae.
Συγγραφείς: Kim J; Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Republic of Korea.; Global Plant Immunity Research Center, Seoul National University, Seoul, 08826, Republic of Korea., Vlková-Žlebková M; Max Planck Institute for Biology, Tübingen, 72076, Germany., McCann HC; Max Planck Institute for Biology, Tübingen, 72076, Germany., Sohn KH; Department of Agricultural Biotechnology, Seoul National University, Seoul, 08826, Republic of Korea.; Global Plant Immunity Research Center, Seoul National University, Seoul, 08826, Republic of Korea.; Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.; Plant Genomics and Breeding Institute, Seoul National University, Seoul, 08826, Republic of Korea.; Plant Health Center, Seoul National University, Seoul, 08826, Republic of Korea.
Πηγή: The Plant journal : for cell and molecular biology [Plant J] 2025 Sep; Vol. 123 (6), pp. e70489.
Τύπος έκδοσης: Journal Article; Research Support, Non-U.S. Gov't
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Blackwell Scientific Publishers and BIOS Scientific Publishers in association with the Society for Experimental Biology Country of Publication: England NLM ID: 9207397 Publication Model: Print Cited Medium: Internet ISSN: 1365-313X (Electronic) Linking ISSN: 09607412 NLM ISO Abbreviation: Plant J Subsets: MEDLINE
Imprint Name(s): Original Publication: Oxford : Blackwell Scientific Publishers and BIOS Scientific Publishers in association with the Society for Experimental Biology, c1991-
Ιατρικοί όροι (MeSH): Disease Resistance*/genetics , Pseudomonas syringae*/genetics , Pseudomonas syringae*/immunology , Pseudomonas syringae*/pathogenicity , Solanum*/genetics , Solanum*/immunology , Solanum*/microbiology , Plant Diseases*/immunology , Plant Diseases*/microbiology, Type III Secretion Systems ; Virulence
Περίληψη: 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.
(© 2025 The Author(s). The Plant Journal published by Society for Experimental Biology and John Wiley & Sons Ltd.)
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Grant Information: RS-2024-00398300 Ministry of Agriculture, Food and Rural Affairs; 2023R1A2C3002366 National Research Foundation of Korea; RS-2025-00512558 National Research Foundation of Korea
Contributed Indexing: Keywords: ETI; Pseudomonas syringae; Solanum americanum; bacterial pathogenesis; effector; non‐host resistance
Substance Nomenclature: 0 (Type III Secretion Systems)
Entry Date(s): Date Created: 20250924 Date Completed: 20250926 Latest Revision: 20260905
Update Code: 20260906
PubMed Central ID: PMC12459651
DOI: 10.1111/tpj.70489
PMID: 40991364
Βάση Δεδομένων: MEDLINE
Περιγραφή
ISSN:1365-313X
DOI:10.1111/tpj.70489