ArticleThe Plant cell2024
Heat-induced SUMOylation differentially affects bacterial effectors in plant cells.
Article in The Plant cell, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- SUMOylation: an emerging field of protein modification in horticultural plants.Horticulture research · 2026Review
- SUMOylation in plants: A versatile post-translational mechanism responding to environmental stresses.Journal of integrative plant biology · 2026Review
- Exploiting plant immune "switches" for resistance engineering.Stress biology · 2026Review
- SUMOylation: Interplaying with the plant disease triangle.PLoS pathogens · 2025Article
- It takes two to tango: Plant hosts influence bacterial effector function through post-translational modifications.The Plant cell · 2024Article
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
Bacterial pathogens deliver effectors into host cells to suppress immunity. How host cells target these effectors is critical in pathogen-host interactions. SUMOylation, an important type of posttranslational modification in eukaryotic cells, plays a critical role in immunity, but its effect on bacterial effectors remains unclear in plant cells. In this study, using bioinformatic and biochemical approaches, we found that at least 16 effectors from the bacterial pathogen Pseudomonas syringae pv. tomato DC3000 are SUMOylated by the enzyme cascade from Arabidopsis thaliana. Mutation of SUMOylation sites on the effector HopB1 enhances its function in the induction of plant cell death via stability attenuation of a plant receptor kinase BRASSINOSTEROID INSENSITIVE 1 (BRI1)-ASSOCIATED RECEPTOR KINASE 1. By contrast, SUMOylation is essential for the function of another effector, HopG1, in the inhibition of mitochondria activity and jasmonic acid signaling. SUMOylation of both HopB1 and HopG1 is increased by heat treatment, and this modification modulates the functions of these 2 effectors in different ways in the regulation of plant survival rates, gene expression, and bacterial infection under high temperatures. Therefore, the current work on the SUMOylation of effectors in plant cells improves our understanding of the function of dynamic protein modifications in plant-pathogen interactions in response to environmental conditions.
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Registered trials
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