ArticlePlant physiology2013
Phosphorylation of HopQ1, a type III effector from Pseudomonas syringae, creates a binding site for host 14-3-3 proteins.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed.
- 14-3-3 proteins: Central hubs in plant development and stress adaptation.Journal of integrative plant biology · 2026Review
- Insects manipulate host nuclear trafficking and epigenetic regulation to facilitate herbivory.Nature communications · 2026Article
- The 14-3-3 Protein SlTFT1 Accelerates Tomato Fruit Ripening by Binding and Stabilising YFT1 in the Ethylene Signalling Pathway.Plant biotechnology journal · 2025Article
- Noncanonical calcium binding motif controls folding of HopQ1, a Pseudomonas syringae type III secretion effector, in a pH-dependent manner.Scientific reports · 2024Article
- Formation of HopQ1:14-3-3 complex in the host cytoplasm modulates nuclear import rate ofFrontiers in plant science · 2024Article
- Suppression of NLR-mediated plant immune detection by bacterial pathogens.Journal of experimental botany · 2023Review
- Multiple host targets ofbioRxiv : the preprint server for biology · 2023Article
- 14-3-3 proteins facilitate the activation of MAP kinase cascades by upstream immunity-related kinases.The Plant cell · 2023Article
- Comparative sequence analysis of pPATH pathogenicity plasmids inFrontiers in plant science · 2023Article
- What's new in protein kinase/phosphatase signalling in the control of plant immunity?Essays in biochemistry · 2022Review
- What the Wild Things Do: Mechanisms of Plant Host Manipulation by Bacterial Type III-Secreted Effector Proteins.Microorganisms · 2021Review
- Pathogenic Bacteria Target Plant Plasmodesmata to Colonize and Invade Surrounding Tissues.The Plant cell · 2020Article
- The Immune Receptor Roq1 Confers Resistance to the Bacterial PathogensFrontiers in plant science · 2020Article
- Salicylic acid-mediated plasmodesmal closure via Remorin-dependent lipid organization.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Article
- Xanthomonas oryzae pv. oryzae XopQ protein suppresses rice immune responses through interaction with two 14-3-3 proteins but its phospho-null mutant induces rice immune responses and interacts with another 14-3-3 protein.Molecular plant pathology · 2019Article
- NRG1 functions downstream of EDS1 to regulate TIR-NLR-mediated plant immunity inProceedings of the National Academy of Sciences of the United States of America · 2018Article
- Nucleus- and plastid-targeted annexin 5 promotes reproductive development in Arabidopsis and is essential for pollen and embryo formation.BMC plant biology · 2018Article
- Differential Suppression ofFrontiers in plant science · 2018Article
- Two Strategies ofFrontiers in plant science · 2018Article
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7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
HopQ1 (for Hrp outer protein Q), a type III effector secreted by Pseudomonas syringae pv phaseolicola, is widely conserved among diverse genera of plant bacteria. It promotes the development of halo blight in common bean (Phaseolus vulgaris). However, when this same effector is injected into Nicotiana benthamiana cells, it is recognized by the immune system and prevents infection. Although the ability to synthesize HopQ1 determines host specificity, the role it plays inside plant cells remains unexplored. Following transient expression in planta, HopQ1 was shown to copurify with host 14-3-3 proteins. The physical interaction between HopQ1 and 14-3-3a was confirmed in planta using the fluorescence resonance energy transfer-fluorescence lifetime imaging microscopy technique. Moreover, mass spectrometric analyses detected specific phosphorylation of the canonical 14-3-3 binding site (RSXpSXP, where pS denotes phosphoserine) located in the amino-terminal region of HopQ1. Amino acid substitution within this motif abrogated the association and led to altered subcellular localization of HopQ1. In addition, the mutated HopQ1 protein showed reduced stability in planta. These data suggest that the association between host 14-3-3 proteins and HopQ1 is important for modulating the properties of this bacterial effector.
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