ArticleMolecular plant pathology2019
Tomato SlSAP3, a member of the stress-associated protein family, is a positive regulator of immunity against Pseudomonas syringae pv. tomato DC3000.
Article in Molecular plant pathology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 46 citations in OpenAlex.
- The E3 ubiquitin ligase SlATL2 suppresses tomato immunity by promoting SlCSN5a degradation duringHorticulture research · 2025Article
- Identification and Analysis of Stress-Associated Protein (SAP) Transcription Factor Family Members inPlants (Basel, Switzerland) · 2025Article
- Rice A20/AN1 protein, OsSAP10, confers water-deficit stress tolerance via proteasome pathway and positive regulation of ABA signaling in Arabidopsis.Plant cell reports · 2024Article
- The Ser/Thr protein kinase FonKin4-poly(ADP-ribose) polymerase FonPARP1 phosphorylation cascade is required for the pathogenicity of watermelon fusarium wilt fungusFrontiers in microbiology · 2024Article
- Small Sized Yet Powerful: Nuclear Distribution C Proteins in Plants.Plants (Basel, Switzerland) · 2023Review
- Fusarium oxysporum f. sp.mBio · 2023Article
- Genome-Wide Identification of the A20/AN1 Zinc Finger Protein Family Genes inInternational journal of molecular sciences · 2022Article
- A Pathogen-Inducible Rice NAC Transcription Factor ONAC096 Contributes to Immunity AgainstFrontiers in plant science · 2021Article
- Differential Functions of Pepper Stress-Associated Proteins in Response to Abiotic Stresses.Frontiers in plant science · 2021Article
- Multiple Xanthomonas campestris pv. campestris 8004 type III effectors inhibit immunity induced by flg22.Planta · 2020Article
- Identification, gene expression and genetic polymorphism of zinc finger A20/AN1 stress-associated genes, HvSAP, in salt stressed barley from Kazakhstan.BMC plant biology · 2020Article
- Identification and Expression Analysis of Stress-Associated Proteins (SAPs) Containing A20/AN1 Zinc Finger in Cucumber.Plants (Basel, Switzerland) · 2020Article
- YODA Kinase Controls a Novel Immune Pathway of Tomato Conferring Enhanced Disease Resistance to the BacteriumFrontiers in plant science · 2020Article
- Overexpression of theFrontiers in plant science · 2020Article
- Genomic Analysis of Stress Associated Proteins in Soybean and the Role ofFrontiers in plant science · 2019Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tomato stress-associated proteins (SAPs) belong to A20/AN1 zinc finger protein family, some of which have been shown to play important roles in plant stress responses. However, little is known about the functions and underlying molecular mechanisms of SAPs in plant immune responses. In the present study, we reported the function of tomato SlSAP3 in immunity to Pseudomonas syringae pv. tomato (Pst) DC3000. Silencing of SlSAP3 attenuated while overexpression of SlSAP3 in transgenic tomato increased immunity to Pst DC3000, accompanied with reduced and increased Pst DC3000-induced expression of SA signalling and defence genes, respectively. Flg22-induced reactive oxygen species (ROS) burst and expression of PAMP-triggered immunity (PTI) marker genes SlPTI5 and SlLRR22 were strengthened in SlSAP3-OE plants but were weakened in SlSAP3-silenced plants. SlSAP3 interacted with two SlBOBs and the A20 domain in SlSAP3 is critical for the SlSAP3-SlBOB1 interaction. Silencing of SlBOB1 and co-silencing of all three SlBOB genes conferred increased resistance to Pst DC3000, accompanied with increased Pst DC3000-induced expression of SA signalling and defence genes. These data demonstrate that SlSAP3 acts as a positive regulator of immunity against Pst DC3000 in tomato through the SA signalling and that SlSAP3 may exert its function in immunity by interacting with other proteins such as SlBOBs, which act as negative regulators of immunity against Pst DC3000 in tomato.
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