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Ninck S, Halder V, Krahn JH, Beisser D, Resch S, Dodds I, Scholtysik R, Bormann J, Sewald L, Gupta MD, Heilmann G, Bhandari DD, Morimoto K, Buscaill P, Hause B, van der Hoorn RAL, Kaschani F, Kaiser M. Chemoproteomics Reveals the Pan-HER Kinase Inhibitor Neratinib To Target an Arabidopsis Epoxide Hydrolase Related to Phytohormone Signaling. ACS Chem Biol 2023; 18:1076-1088. [PMID: 37115018 DOI: 10.1021/acschembio.2c00322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Plant phytohormone pathways are regulated by an intricate network of signaling components and modulators, many of which still remain unknown. Here, we report a forward chemical genetics approach for the identification of functional SA agonists in Arabidopsis thaliana that revealed Neratinib (Ner), a covalent pan-HER kinase inhibitor drug in humans, as a modulator of SA signaling. Instead of a protein kinase, chemoproteomics unveiled that Ner covalently modifies a surface-exposed cysteine residue of Arabidopsis epoxide hydrolase isoform 7 (AtEH7), thereby triggering its allosteric inhibition. Physiologically, the Ner application induces jasmonate metabolism in an AtEH7-dependent manner as an early response. In addition, it modulates PATHOGENESIS RELATED 1 (PR1) expression as a hallmark of SA signaling activation as a later effect. AtEH7, however, is not the exclusive target for this physiological readout induced by Ner. Although the underlying molecular mechanisms of AtEH7-dependent modulation of jasmonate signaling and Ner-induced PR1-dependent activation of SA signaling and thus defense response regulation remain unknown, our present work illustrates the powerful combination of forward chemical genetics and chemical proteomics for identifying novel phytohormone signaling modulatory factors. It also suggests that marginally explored metabolic enzymes such as epoxide hydrolases may have further physiological roles in modulating signaling.
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Affiliation(s)
- Sabrina Ninck
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Vivek Halder
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
- Chemical Biology Laboratory, Max-Planck Institute for Plant Breeding Research, Carl-von-Linné-Weg 10, 50829 Cologne, Germany
| | - Jan H Krahn
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Daniela Beisser
- Department of Biodiversity, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 5, 45117 Essen, Germany
| | - Sarah Resch
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Isobel Dodds
- The Plant Chemetics Laboratory, Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, U.K
| | - René Scholtysik
- Genomics and Transcriptomics Facility, Institute for Cell Biology (Tumour Research), University of Duisburg-Essen, Virchowstr. 173, 45122 Essen, Germany
| | - Jenny Bormann
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Leonard Sewald
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Mainak D Gupta
- Department of Molecular Biology, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany
| | - Geronimo Heilmann
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Deepak D Bhandari
- Department of Plant-Microbe Interactions, Max-Planck Institute for Plant Breeding Research, Carl-von-Linné-Weg 10, Cologne 50829, Germany
| | - Kyoko Morimoto
- The Plant Chemetics Laboratory, Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, U.K
| | - Pierre Buscaill
- The Plant Chemetics Laboratory, Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, U.K
| | - Bettina Hause
- Department of Metabolic and Cell Biology, Leibniz Institute of Plant Biochemistry, Weinberg 3, 06120 Halle, Germany
| | - Renier A L van der Hoorn
- The Plant Chemetics Laboratory, Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, U.K
| | - Farnusch Kaschani
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
| | - Markus Kaiser
- Department of Chemical Biology, ZMB, Faculty of Biology, University of Duisburg-Essen, Universitätsstr. 2, 45117 Essen, Germany
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D’Errico C, Forgia M, Pisani M, Pavan S, Noris E, Matić S. Overexpression of the C4 protein of tomato yellow leaf curl Sardinia virus increases tomato resistance to powdery mildew. FRONTIERS IN PLANT SCIENCE 2023; 14:1163315. [PMID: 37063219 PMCID: PMC10102596 DOI: 10.3389/fpls.2023.1163315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
Powdery mildew (PM) is one of the most important diseases of greenhouse and field-grown tomatoes. Viruses can intervene beneficially on plant performance in coping with biotic and abiotic stresses. Tomato yellow leaf curl Sardinia virus (TYLCSV) has been reported recently to induce tolerance against drought stress in tomato, and its C4 protein acts as the main causal factor of tolerance. However, its role in response to biotic stresses is still unknown. In this study, transgenic tomato plants carrying the TYLCSV C4 protein were exposed to biotic stress following the inoculation with Oidium neolycopersici, the causal agent of tomato PM. Phytopathological, anatomic, molecular, and physiological parameters were evaluated in this plant pathosystem. Heterologous TYLCSV C4 expression increased the tolerance of transgenic tomato plants to PM, not only reducing symptom occurrence, but also counteracting conidia adhesion and secondary hyphae elongation. Pathogenesis-related gene expression and salicylic acid production were found to be higher in tomato transgenic plants able to cope with PM compared to infected wild-type tomato plants. Our study contributes to unraveling the mechanism leading to PM tolerance in TYLCSV C4-expressing tomato plants. In a larger context, the findings of TYLCSV C4 as a novel PM defense inducer could have important implications in deepening the mechanisms regulating the management of this kind of protein to both biotic and abiotic stresses.
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Affiliation(s)
- Chiara D’Errico
- Institute for Sustainable Plant Protection, National Research Council, Turin, Italy
- European Laboratory for Non-Linear Spectroscopy, Sesto Fiorentino, Italy
| | - Marco Forgia
- Institute for Sustainable Plant Protection, National Research Council, Turin, Italy
| | - Marco Pisani
- Istituto Nazionale di Ricerca Metrologica, Applied Metrology and Engineering Division, Torino, Italy
| | - Stefano Pavan
- Department of Soil, Plant and Food Sciences, University of Bari “Aldo Moro, Bari, Italy
| | - Emanuela Noris
- Institute for Sustainable Plant Protection, National Research Council, Turin, Italy
| | - Slavica Matić
- Institute for Sustainable Plant Protection, National Research Council, Turin, Italy
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Tsuruda T, Yoshida R. l-Glutamate activates salicylic acid signaling to promote stomatal closure and PR1 expression in Arabidopsis. PHYSIOLOGIA PLANTARUM 2023; 175:e13858. [PMID: 36658465 DOI: 10.1111/ppl.13858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 01/06/2023] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
Glutamate (l-Glu), an animal neurotransmitter, plays an essential role in plant signaling and regulates various plant physiological responses. We previously showed that l-Glu regulates stomatal closure in Arabidopsis via the glutamate receptor-like 3.5 gene (GLR3.5). Here, we showed that l-Glu activates salicylic acid (SA) signaling in Arabidopsis. l-Glu not only promoted stomatal closure but also triggered the expression of the PR1 gene via GLR3.5. These l-Glu-dependent actions were strongly suppressed in SA-insensitive npr1-1 and SA-deficient sid2-2 mutants, indicating that SA is involved in l-Glu signaling. A loss-of-function mutant of the gene encoding the SRK2E/OST1 kinase, which plays a pivotal role in abscisic acid signaling, was insensitive to both l-Glu-induced stomatal closure and PR1 expression. The glr3.5 mutants did not alleviate SA-induced stomatal closure, indicating that SA may function downstream of GLR3.5. These results indicate that l-Glu activates SA signaling, and that SRK2E/OST1 may play pivotal roles in such signaling.
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Affiliation(s)
- Toshihiko Tsuruda
- Laboratory of Horticultural Science, Faculty of Agriculture, Kagoshima University, Kagoshima, Kagoshima, Japan
| | - Riichiro Yoshida
- Laboratory of Horticultural Science, Faculty of Agriculture, Kagoshima University, Kagoshima, Kagoshima, Japan
- The United Graduate School of Agricultural Sciences, Kagoshima University, Kagoshima, Kagoshima, Japan
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Ercoli MF, Ramos PZ, Jain R, Pilotte J, Dong OX, Thompson T, Wells CI, Elkins JM, Edwards AM, Couñago RM, Drewry DH, Ronald PC. An open source plant kinase chemogenomics set. PLANT DIRECT 2022; 6:e460. [PMID: 36447653 PMCID: PMC9694430 DOI: 10.1002/pld3.460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 10/08/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
One hundred twenty-nine protein kinases, selected to represent the diversity of the rice (Oryza sativa) kinome, were cloned and tested for expression in Escherichia coli. Forty of these rice kinases were purified and screened using differential scanning fluorimetry (DSF) against 627 diverse kinase inhibitors, with a range of structures and activities targeting diverse human kinases. Thirty-seven active compounds were then tested for their ability to modify primary root development in Arabidopsis. Of these, 14 compounds caused a significant reduction of primary root length compared with control plants. Two of these inhibitory compounds bind to the predicted orthologue of Arabidopsis PSKR1, one of two receptors for PSK, a small sulfated peptide that positively controls root development. The reduced root length phenotype could not be rescued by the exogenous addition of the PSK peptide, suggesting that chemical treatment may inhibit both PSKR1 and its closely related receptor PSKR2. Six of the compounds acting as root growth inhibitors in Arabidopsis conferred the same effect in rice. Compound RAF265 (CHIR-265), previously shown to bind the human kinase BRAF (B-Raf proto-oncogene, serine/threonine kinase), also binds to nine highly conserved rice kinases tested. The binding of human and rice kinases to the same compound suggests that human kinase inhibitor sets will be useful for dissecting the function of plant kinases.
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Affiliation(s)
| | - Priscila Zonzini Ramos
- Centro de Química Medicinal (CQMED), Centro de Biologia Molecular e Engenharia Genética (CBMEG)Universidade Estadual de Campinas (UNICAMP)CampinasSPBrazil
| | - Rashmi Jain
- Department of Plant Pathology and the Genome CenterUniversity of CaliforniaDavisCAUSA
| | - Joseph Pilotte
- Structural Genomics Consortium (SGC)UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill (UNC‐CH)Chapel HillNCUSA
- Division of Chemical Biology and Medicinal ChemistryUNC Eshelman School of Pharmacy, UNC‐CHChapel HillNCUSA
| | - Oliver Xiaoou Dong
- Department of Plant Pathology and the Genome CenterUniversity of CaliforniaDavisCAUSA
| | - Ty Thompson
- Department of Plant Pathology and the Genome CenterUniversity of CaliforniaDavisCAUSA
| | - Carrow I. Wells
- Structural Genomics Consortium (SGC)UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill (UNC‐CH)Chapel HillNCUSA
- Division of Chemical Biology and Medicinal ChemistryUNC Eshelman School of Pharmacy, UNC‐CHChapel HillNCUSA
| | - Jonathan M. Elkins
- Centro de Química Medicinal (CQMED), Centro de Biologia Molecular e Engenharia Genética (CBMEG)Universidade Estadual de Campinas (UNICAMP)CampinasSPBrazil
- Centre for Medicines DiscoveryUniversity of OxfordOxfordUK
| | - Aled M. Edwards
- Structural Genomics ConsortiumUniversity of TorontoTorontoCanada
| | - Rafael M. Couñago
- Centro de Química Medicinal (CQMED), Centro de Biologia Molecular e Engenharia Genética (CBMEG)Universidade Estadual de Campinas (UNICAMP)CampinasSPBrazil
| | - David H. Drewry
- Structural Genomics Consortium (SGC)UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill (UNC‐CH)Chapel HillNCUSA
- Division of Chemical Biology and Medicinal ChemistryUNC Eshelman School of Pharmacy, UNC‐CHChapel HillNCUSA
| | - Pamela C. Ronald
- Department of Plant Pathology and the Genome CenterUniversity of CaliforniaDavisCAUSA
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Lazzarin M, Meisenburg M, Meijer D, van Ieperen W, Marcelis LFM, Kappers IF, van der Krol AR, van Loon JJA, Dicke M. LEDs Make It Resilient: Effects on Plant Growth and Defense. TRENDS IN PLANT SCIENCE 2021; 26:496-508. [PMID: 33358304 DOI: 10.1016/j.tplants.2020.11.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 11/06/2020] [Accepted: 11/19/2020] [Indexed: 05/22/2023]
Abstract
Light spectral composition influences plant growth and metabolism, and has important consequences for interactions with plant-feeding arthropods and their natural enemies. In greenhouse horticulture, light spectral composition can be precisely manipulated by light-emitting diodes (LEDs), and LEDs are already used to optimize crop production and quality. However, because light quality also modulates plant secondary metabolism and defense, it is important to understand the underlying mechanisms in the context of the growth-defense trade-off. We review the effects of the spectral composition of supplemental light currently used, or potentially used, in greenhouse horticulture on the mechanisms underlying plant growth and defense. This information is important for exploring opportunities to optimize crop performance and pest management, and thus for developing resilient crop-production systems.
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Affiliation(s)
- M Lazzarin
- Horticulture and Product Physiology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
| | - M Meisenburg
- Laboratory of Plant Physiology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
| | - D Meijer
- Laboratory of Entomology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
| | - W van Ieperen
- Horticulture and Product Physiology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
| | - L F M Marcelis
- Horticulture and Product Physiology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
| | - I F Kappers
- Laboratory of Plant Physiology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
| | - A R van der Krol
- Laboratory of Plant Physiology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
| | - J J A van Loon
- Laboratory of Entomology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
| | - M Dicke
- Laboratory of Entomology, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands.
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