1
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Tanarsuwongkul S, Fisher KW, Mullis BT, Negi H, Roberts J, Tomlin F, Wang Q, Stratmann JW. Green leaf volatiles co-opt proteins involved in molecular pattern signalling in plant cells. PLANT, CELL & ENVIRONMENT 2024; 47:928-946. [PMID: 38164082 DOI: 10.1111/pce.14795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 11/27/2023] [Accepted: 12/13/2023] [Indexed: 01/03/2024]
Abstract
The green leaf volatiles (GLVs) Z-3-hexen-1-ol (Z3-HOL) and Z-3-hexenyl acetate (Z3-HAC) are airborne infochemicals released from damaged plant tissues that induce defenses and developmental responses in receiver plants, but little is known about their mechanism of action. We found that Z3-HOL and Z3-HAC induce similar but distinctive physiological and signaling responses in tomato seedlings and cell cultures. In seedlings, Z3-HAC showed a stronger root growth inhibition effect than Z3-HOL. In cell cultures, the two GLVs induced distinct changes in MAP kinase (MAPK) activity and proton fluxes as well as rapid and massive changes in the phosphorylation status of proteins within 5 min. Many of these phosphoproteins are involved in reprogramming the proteome from cellular homoeostasis to stress and include pattern recognition receptors, a receptor-like cytoplasmic kinase, MAPK cascade components, calcium signaling proteins and transcriptional regulators. These are well-known components of damage-associated molecular pattern (DAMP) signaling pathways. These rapid changes in the phosphoproteome may underly the activation of defense and developmental responses to GLVs. Our data provide further evidence that GLVs function like DAMPs and indicate that GLVs coopt DAMP signaling pathways.
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Affiliation(s)
| | - Kirsten W Fisher
- Department of Biological Sciences, University of South Carolina, Columbia, South Carolina, USA
| | - B Todd Mullis
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, USA
- IMCS, Irmo, South Carolina, USA
| | - Harshita Negi
- Department of Biological Sciences, University of South Carolina, Columbia, South Carolina, USA
| | - Jamie Roberts
- Department of Biological Sciences, University of South Carolina, Columbia, South Carolina, USA
| | - Fallon Tomlin
- Department of Biological Sciences, University of South Carolina, Columbia, South Carolina, USA
| | - Qiang Wang
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina, USA
| | - Johannes W Stratmann
- Department of Biological Sciences, University of South Carolina, Columbia, South Carolina, USA
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2
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Havshøi NW, Fuglsang AT. Assaying the Effect of Peptide Treatment on H +-Pumping Activity in Plasma Membranes from Arabidopsis Seedlings. Methods Mol Biol 2024; 2731:91-103. [PMID: 38019428 DOI: 10.1007/978-1-0716-3511-7_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Extracellular acidification or alkalization is a common response to many plant-signaling peptides and microbial elicitors. This may be a result of peptide-mediated regulation of plasma membrane-localized ion transporters, such as the plasma membrane H+-ATPase. Early responses to some signaling peptides can therefore be analyzed by assaying H+-pumping across the plasma membrane.We describe a set-up suited for the purification of plasma membranes by aqueous two-phase partitioning from a small sample of Arabidopsis seedlings. Seedlings are grown in a liquid culture, suited for the analysis of in vivo peptide treatment. Additionally, we describe how to measure the H+-pumping activity of the plasma membrane H+-ATPase using the fluorescent probe ACMA.
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Affiliation(s)
- Nanna Weise Havshøi
- Department of Plant and Environmental Sciences, Section for Transport Biology, University of Copenhagen, Frederiksberg, Denmark
| | - Anja Thoe Fuglsang
- Department of Plant and Environmental Sciences, Section for Transport Biology, University of Copenhagen, Frederiksberg, Denmark.
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3
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Wang X, Li R, Stintzi A, Schaller A. Automated Real-Time Monitoring of Extracellular pH to Assess Early Plant Defense Signaling. Methods Mol Biol 2024; 2731:169-178. [PMID: 38019434 DOI: 10.1007/978-1-0716-3511-7_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Extracellular alkalinization mediated by the inhibition of plasma membrane-located proton pumping ATPases hallmarks the initiation of defense signaling in plant cells. Early defense responses also include depolarization of the plasma membrane, increase in cytosolic Ca2+ concentration, and an oxidative burst. Together these early signaling events lead to the activation of plant immunity. The transient alkalinization response is triggered by well-studied pathogen-derived and plant endogenous elicitors, including, for example, bacterial flagellin, fungal chitin, and tomato systemin in both model and agronomic species. Employing cell suspension cultures, extracellular alkalinization can be easily assessed by measuring the elicitor-induced pH changes of the cultivating medium. Here, we provide a protocol for an improved alkalinization assay in a system which is able to simultaneously monitor multiple samples, and fully automatically transfer customizable real-time pH records. In this system flagellin, chitin and systemin elicit robust time- and dose-dependent responses, proving a powerful tool for assessing plant early defense signaling.
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Affiliation(s)
- Xu Wang
- Department of Plant Physiology and Biochemistry, University of Hohenheim, Stuttgart, Germany
| | - Rong Li
- Department of Plant Physiology and Biochemistry, University of Hohenheim, Stuttgart, Germany
| | - Annick Stintzi
- Department of Plant Physiology and Biochemistry, University of Hohenheim, Stuttgart, Germany
| | - Andreas Schaller
- Department of Plant Physiology and Biochemistry, University of Hohenheim, Stuttgart, Germany.
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4
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Li R, Schaller A, Stintzi A. Quantitative Measurement of Pattern-Triggered ROS Burst as an Early Immune Response in Tomato. Methods Mol Biol 2024; 2731:157-167. [PMID: 38019433 DOI: 10.1007/978-1-0716-3511-7_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
The rapid accumulation of extracellular "reactive oxygen species" (ROS), also known as the "oxidative burst", is an early plant immune response triggered by pathogen-derived microbe-associated molecular patterns and by endogenous plant signaling molecules. The oxidative burst is often used as a readout for the activation of defense signaling. Here, we present a detailed protocol for the continuous measurement of ROS production in leaf discs of tomato plants, using a chemiluminescence-based assay in a microtiter plate format. We also include recommendations for data analysis and for the quantitative assessment of differences in ROS burst dynamics, as caused by different types of elicitors, or in different tomato genotypes.
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Affiliation(s)
- Rong Li
- Department of Plant Physiology and Biochemistry, University of Hohenheim, Stuttgart, Germany
| | - Andreas Schaller
- Department of Plant Physiology and Biochemistry, University of Hohenheim, Stuttgart, Germany
| | - Annick Stintzi
- Department of Plant Physiology and Biochemistry, University of Hohenheim, Stuttgart, Germany.
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5
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Chen Y, Wang Y, Liang X, Zhang Y, Fernie AR. Mass spectrometric exploration of phytohormone profiles and signaling networks. TRENDS IN PLANT SCIENCE 2023; 28:399-414. [PMID: 36585336 DOI: 10.1016/j.tplants.2022.12.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 12/03/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
Phytohormones have crucial roles in plant growth, development, and acclimation to environmental stress; however, measuring phytohormone levels and unraveling their complex signaling networks and interactions remains challenging. Mass spectrometry (MS) has revolutionized the study of complex biological systems, enabling the comprehensive identification and quantification of phytohormones and their related targets. Here, we review recent advances in MS technologies and highlight studies that have used MS to discover and analyze phytohormone-mediated molecular events. In particular, we focus on the application of MS for profiling phytohormones, elucidating phosphorylation signaling, and mapping protein interactions in plants.
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Affiliation(s)
- Yanmei Chen
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, 100193, Beijing, China.
| | - Yi Wang
- State Key Laboratory of Wheat and Maize Crop Science, College of Resources and Environment, Henan Agricultural University, 450002, Zhengzhou, China
| | - Xinlin Liang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, 100193, Beijing, China
| | - Youjun Zhang
- Center of Plant Systems Biology and Biotechnology, 4000 Plovdiv, Bulgaria; Max-Planck-Institute of Molecular Plant Physiology, 14476 Potsdam-Golm, Germany
| | - Alisdair R Fernie
- Center of Plant Systems Biology and Biotechnology, 4000 Plovdiv, Bulgaria; Max-Planck-Institute of Molecular Plant Physiology, 14476 Potsdam-Golm, Germany
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6
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D’Esposito D, Guadagno A, Amoroso CG, Cascone P, Cencetti G, Michelozzi M, Guerrieri E, Ercolano MR. Genomic and metabolic profiling of two tomato contrasting cultivars for tolerance to Tuta absoluta. PLANTA 2023; 257:47. [PMID: 36708391 PMCID: PMC9884263 DOI: 10.1007/s00425-023-04073-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 01/11/2023] [Indexed: 06/18/2023]
Abstract
Dissimilar patterns of variants affecting genes involved in response to herbivory, including those leading to difference in VOC production, were identified in tomato lines with contrasting response to Tuta absoluta. Tuta absoluta is one of the most destructive insect pest affecting tomato production, causing important yield losses both in open field and greenhouse. The selection of tolerant varieties to T. absoluta is one of the sustainable approaches to control this invasive leafminer. In this study, the genomic diversity of two tomato varieties, one tolerant and the other susceptible to T. absoluta infestation was explored, allowing us to identify chromosome regions with highly dissimilar pattern. Genes affected by potential functional variants were involved in several processes, including response to herbivory and secondary metabolism. A metabolic analysis for volatile organic compounds (VOCs) was also performed, highlighting a difference in several classes of chemicals in the two genotypes. Taken together, these findings can aid tomato breeding programs aiming to develop tolerant plants to T. absoluta.
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Affiliation(s)
- Daniela D’Esposito
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, NA Italy
| | - Anna Guadagno
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, NA Italy
| | - Ciro Gianmaria Amoroso
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, NA Italy
| | - Pasquale Cascone
- Institute for Sustainable Plant Protection, National Research Council of Italy, 80055 Portici, NA Italy
| | - Gabriele Cencetti
- Institute of Biosciences and Bioresources, National Research Council of Italy, 50019 Sesto Fiorentino, FI Italy
| | - Marco Michelozzi
- Institute of Biosciences and Bioresources, National Research Council of Italy, 50019 Sesto Fiorentino, FI Italy
| | - Emilio Guerrieri
- Institute for Sustainable Plant Protection, National Research Council of Italy, 80055 Portici, NA Italy
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7
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Momo J, Rawoof A, Kumar A, Islam K, Ahmad I, Ramchiary N. Proteomics of Reproductive Development, Fruit Ripening, and Stress Responses in Tomato. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:65-95. [PMID: 36584279 DOI: 10.1021/acs.jafc.2c06564] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The fruits of the tomato crop (Solanum lycopersicum L.) are increasingly consumed by humans worldwide. Due to their rich nutritional quality, pharmaceutical properties, and flavor, tomato crops have gained a salient role as standout crops among other plants. Traditional breeding and applied functional research have made progress in varying tomato germplasms to subdue biotic and abiotic stresses. Proteomic investigations within a span of few decades have assisted in consolidating the functional genomics and transcriptomic research. However, due to the volatility and dynamicity of proteins in the regulation of various biosynthetic pathways, there is a need for continuing research in the field of proteomics to establish a network that could enable a more comprehensive understanding of tomato growth and development. With this view, we provide a comprehensive review of proteomic studies conducted on the tomato plant in past years, which will be useful for future breeders and researchers working to improve the tomato crop.
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Affiliation(s)
- John Momo
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi 110067, India
| | - Abdul Rawoof
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi 110067, India
| | - Ajay Kumar
- Department of Plant Sciences, School of Biological Sciences, Central University of Kerala, Kasaragod, Kerala 671316, India
| | - Khushbu Islam
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi 110067, India
| | - Ilyas Ahmad
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi 110067, India
| | - Nirala Ramchiary
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, Delhi 110067, India
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8
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Wang S, Wang S, Wang J, Peng W. Label-free quantitative proteomics reveals the mechanism of microwave-induced Tartary buckwheat germination and flavonoids enrichment. Food Res Int 2022; 160:111758. [DOI: 10.1016/j.foodres.2022.111758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 07/19/2022] [Accepted: 07/27/2022] [Indexed: 11/04/2022]
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9
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Snoeck S, Guayazán-Palacios N, Steinbrenner AD. Molecular tug-of-war: Plant immune recognition of herbivory. THE PLANT CELL 2022; 34:1497-1513. [PMID: 35026025 PMCID: PMC9048929 DOI: 10.1093/plcell/koac009] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 01/07/2022] [Indexed: 05/22/2023]
Abstract
Plant defense responses against insect herbivores are induced through wound-induced signaling and the specific perception of herbivore-associated molecular patterns (HAMPs). In addition, herbivores can deliver effectors that suppress plant immunity. Here we review plant immune recognition of HAMPs and effectors, and argue that these initial molecular interactions upon a plant-herbivore encounter mediate and structure effective resistance. While the number of distinct HAMPs and effectors from both chewing and piercing-sucking herbivores has expanded rapidly with omics-enabled approaches, paired receptors and targets in the host are still not well characterized. Herbivore-derived effectors may also be recognized as HAMPs depending on the host plant species, potentially through the evolution of novel immune receptor functions. We compile examples of HAMPs and effectors where natural variation between species may inform evolutionary patterns and mechanisms of plant-herbivore interactions. Finally, we discuss the combined effects of wounding and HAMP recognition, and review potential signaling hubs, which may integrate both sensing functions. Understanding the precise mechanisms for plant sensing of herbivores will be critical for engineering resistance in agriculture.
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Affiliation(s)
- Simon Snoeck
- Department of Biology, University of Washington, Seattle, Washington, USA
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10
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Pertl-Obermeyer H, Gimeno A, Kuchler V, Servili E, Huang S, Fang H, Lang V, Sydow K, Pöckl M, Schulze WX, Obermeyer G. pH modulates interaction of 14-3-3 proteins with pollen plasma membrane H+ ATPases independently from phosphorylation. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:168-181. [PMID: 34467995 DOI: 10.1093/jxb/erab387] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/23/2021] [Indexed: 06/13/2023]
Abstract
Pollen grains transport the sperm cells through the style tissue via a fast-growing pollen tube to the ovaries where fertilization takes place. Pollen tube growth requires a precisely regulated network of cellular as well as molecular events including the activity of the plasma membrane H+ ATPase, which is known to be regulated by reversible protein phosphorylation and subsequent binding of 14-3-3 isoforms. Immunodetection of the phosphorylated penultimate threonine residue of the pollen plasma membrane H+ ATPase (LilHA1) of Lilium longiflorum pollen revealed a sudden increase in phosphorylation with the start of pollen tube growth. In addition to phosphorylation, pH modulated the binding of 14-3-3 isoforms to the regulatory domain of the H+ ATPase, whereas metabolic components had only small effects on 14-3-3 binding, as tested with in vitro assays using recombinant 14-3-3 isoforms and phosphomimicking substitutions of the threonine residue. Consequently, local H+ influxes and effluxes as well as pH gradients in the pollen tube tip are generated by localized regulation of the H+ ATPase activity rather than by heterogeneous localized distribution in the plasma membrane.
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Affiliation(s)
- Heidi Pertl-Obermeyer
- Membrane Biophysics, Department of Biosciences, University of Salzburg, Billrothstr. 11, 5020 Salzburg, Austria
- MorphoPhysics, Department of Chemistry and Physics of Materials, University of Salzburg, Jakob-Haringer-Str. 2a, 5020 Salzburg, Austria
| | - Ana Gimeno
- Membrane Biophysics, Department of Biosciences, University of Salzburg, Billrothstr. 11, 5020 Salzburg, Austria
| | - Verena Kuchler
- Membrane Biophysics, Department of Biosciences, University of Salzburg, Billrothstr. 11, 5020 Salzburg, Austria
| | - Evrim Servili
- Membrane Biophysics, Department of Biosciences, University of Salzburg, Billrothstr. 11, 5020 Salzburg, Austria
- Inst. Recherche Experimentale & Clinique, University of Louvain, Ave. Hippocrate, Woluwe-Saint Lambert, Belgium
| | - Shuai Huang
- Membrane Biophysics, Department of Biosciences, University of Salzburg, Billrothstr. 11, 5020 Salzburg, Austria
- Southern University of Science and Technology, Shenzen, PR China
| | - Han Fang
- Membrane Biophysics, Department of Biosciences, University of Salzburg, Billrothstr. 11, 5020 Salzburg, Austria
- Spinal Chord Injury & Tissue Regeneration Centre, Paracelsus Medical University, Strubergasse, Salzburg, Austria
| | - Veronika Lang
- Membrane Biophysics, Department of Biosciences, University of Salzburg, Billrothstr. 11, 5020 Salzburg, Austria
- STRATEC GmbH, Sonystraße 20, Anif, Austria
| | - Katharina Sydow
- Membrane Biophysics, Department of Biosciences, University of Salzburg, Billrothstr. 11, 5020 Salzburg, Austria
| | - Magdalena Pöckl
- Membrane Biophysics, Department of Biosciences, University of Salzburg, Billrothstr. 11, 5020 Salzburg, Austria
| | - Waltraud X Schulze
- Plant Systems Biology, University of Hohenheim, Garbenstraße 30, 70599 Stuttgart, Germany
| | - Gerhard Obermeyer
- Membrane Biophysics, Department of Biosciences, University of Salzburg, Billrothstr. 11, 5020 Salzburg, Austria
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11
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Computational Phosphorylation Network Reconstruction: An Update on Methods and Resources. Methods Mol Biol 2021. [PMID: 34270057 DOI: 10.1007/978-1-0716-1625-3_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Most proteins undergo some form of modification after translation, and phosphorylation is one of the most relevant and ubiquitous post-translational modifications. The succession of protein phosphorylation and dephosphorylation catalyzed by protein kinase and phosphatase, respectively, constitutes a key mechanism of molecular information flow in cellular systems. The protein interactions of kinases, phosphatases, and their regulatory subunits and substrates are the main part of phosphorylation networks. To elucidate the landscape of phosphorylation events has been a central goal pursued by both experimental and computational approaches. Substrate specificity (e.g., sequence, structure) or the phosphoproteome has been utilized in an array of different statistical learning methods to infer phosphorylation networks. In this chapter, different computational phosphorylation network inference-related methods and resources are summarized and discussed.
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12
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Chen Y, Wang Y, Yang J, Zhou W, Dai S. Exploring the diversity of plant proteome. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2021; 63:1197-1210. [PMID: 33650765 DOI: 10.1111/jipb.13087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 02/25/2021] [Indexed: 05/10/2023]
Abstract
The tremendous functional, spatial, and temporal diversity of the plant proteome is regulated by multiple factors that continuously modify protein abundance, modifications, interactions, localization, and activity to meet the dynamic needs of plants. Dissecting the proteome complexity and its underlying genetic variation is attracting increasing research attention. Mass spectrometry (MS)-based proteomics has become a powerful approach in the global study of protein functions and their relationships on a systems level. Here, we review recent breakthroughs and strategies adopted to unravel the diversity of the proteome, with a specific focus on the methods used to analyze posttranslational modifications (PTMs), protein localization, and the organization of proteins into functional modules. We also consider PTM crosstalk and multiple PTMs temporally regulating the life cycle of proteins. Finally, we discuss recent quantitative studies using MS to measure protein turnover rates and examine future directions in the study of the plant proteome.
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Affiliation(s)
- Yanmei Chen
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Yi Wang
- State Key Laboratory of Wheat and Maize Crop Science, College of Resources and Environment, Henan Agricultural University, Zhengzhou, 450002, China
| | - Jun Yang
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China
| | - Wenbin Zhou
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Shaojun Dai
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China
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13
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PhosPhAt 4.0: An Updated Arabidopsis Database for Searching Phosphorylation Sites and Kinase-Target Interactions. Methods Mol Biol 2021; 2358:189-202. [PMID: 34270056 DOI: 10.1007/978-1-0716-1625-3_14] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The PhosPhAt 4.0 database contains information on Arabidopsis phosphorylation sites identified by mass spectrometry in large-scale experiments from different research groups. So far PhosPhAt 4.0 has been one of the most significant large-scale data resources for plant phosphorylation studies. Functionalities of the web application, besides display of phosphorylation sites, include phosphorylation site prediction and kinase-target relationships retrieval. Here, we present an overview and user instructions for the PhosPhAt 4.0 database, with strong emphasis on recent renewals regarding protein annotation by SUBA4.0 and Mapman4, and additional phosphorylation site information imported from other databases, such as UniProt. Here, we provide a user guide for the retrieval of phosphorylation motifs from the kinase-target database and how to visualize these results. The improvements incorporated into the PhosPhAt 4.0 database have produced much more functionality and user flexibility for phosphoproteomic analysis.
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14
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Kamal MM, Ishikawa S, Takahashi F, Suzuki K, Kamo M, Umezawa T, Shinozaki K, Kawamura Y, Uemura M. Large-Scale Phosphoproteomic Study of Arabidopsis Membrane Proteins Reveals Early Signaling Events in Response to Cold. Int J Mol Sci 2020; 21:E8631. [PMID: 33207747 PMCID: PMC7696906 DOI: 10.3390/ijms21228631] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 12/22/2022] Open
Abstract
Cold stress is one of the major factors limiting global crop production. For survival at low temperatures, plants need to sense temperature changes in the surrounding environment. How plants sense and respond to the earliest drop in temperature is still not clearly understood. The plasma membrane and its adjacent extracellular and cytoplasmic sites are the first checkpoints for sensing temperature changes and the subsequent events, such as signal generation and solute transport. To understand how plants respond to early cold exposure, we used a mass spectrometry-based phosphoproteomic method to study the temporal changes in protein phosphorylation events in Arabidopsis membranes during 5 to 60 min of cold exposure. The results revealed that brief cold exposures led to rapid phosphorylation changes in the proteins involved in cellular ion homeostasis, solute and protein transport, cytoskeleton organization, vesical trafficking, protein modification, and signal transduction processes. The phosphorylation motif and kinase-substrate network analysis also revealed that multiple protein kinases, including RLKs, MAPKs, CDPKs, and their substrates, could be involved in early cold signaling. Taken together, our results provide a first look at the cold-responsive phosphoproteome changes of Arabidopsis membrane proteins that can be a significant resource to understand how plants respond to an early temperature drop.
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Affiliation(s)
- Md Mostafa Kamal
- United Graduate School of Agricultural Sciences, Iwate University, Morioka 020-8550, Japan; (M.M.K.); (Y.K.)
| | - Shinnosuke Ishikawa
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 184-8588, Japan; (S.I.); (T.U.)
| | - Fuminori Takahashi
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science, 3-1-1 Koyadai, Tsukuba 305-0074, Japan; (F.T.); (K.S.)
| | - Ko Suzuki
- Department of Biochemistry, Iwate Medical University, Yahaba 028-3694, Japan; (K.S.); (M.K.)
| | - Masaharu Kamo
- Department of Biochemistry, Iwate Medical University, Yahaba 028-3694, Japan; (K.S.); (M.K.)
| | - Taishi Umezawa
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 184-8588, Japan; (S.I.); (T.U.)
| | - Kazuo Shinozaki
- Gene Discovery Research Group, RIKEN Center for Sustainable Resource Science, 3-1-1 Koyadai, Tsukuba 305-0074, Japan; (F.T.); (K.S.)
| | - Yukio Kawamura
- United Graduate School of Agricultural Sciences, Iwate University, Morioka 020-8550, Japan; (M.M.K.); (Y.K.)
- Department of Plant-Bioscience, Faculty of Agriculture, Iwate University, Morioka 020-8550, Japan
| | - Matsuo Uemura
- United Graduate School of Agricultural Sciences, Iwate University, Morioka 020-8550, Japan; (M.M.K.); (Y.K.)
- Department of Plant-Bioscience, Faculty of Agriculture, Iwate University, Morioka 020-8550, Japan
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15
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Farmer EE, Gao YQ, Lenzoni G, Wolfender JL, Wu Q. Wound- and mechanostimulated electrical signals control hormone responses. THE NEW PHYTOLOGIST 2020; 227:1037-1050. [PMID: 32392391 DOI: 10.1111/nph.16646] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 03/21/2020] [Indexed: 05/23/2023]
Abstract
Plants in nature are constantly exposed to organisms that touch them and wound them. A highly conserved response to these stimuli is a rapid collapse of membrane potential (i.e. a decrease of electrical field strength across membranes). This can be coupled to the production and/or action of jasmonate or ethylene. Here, the various types of electrical signals in plants are discussed in the context of hormone responses. Genetic approaches are revealing genes involved in wound-induced electrical signalling. These include clade 3 GLUTAMATE RECEPTOR-LIKE (GLR) genes, Arabidopsis H+ -ATPases (AHAs), RESPIRATORY BURST OXIDASE HOMOLOGUEs (RBOHs), and genes that determine cell wall properties. We briefly review touch- and wound-induced increases in cytosolic Ca2+ concentrations and their temporal relationship to electrical activities. We then look at the questions that need addressing to link mechanostimulation and wound-induced electrical activity to hormone responses. Utilizing recently published results, we also present a hypothesis for wound-response leaf-to-leaf electrical signalling. This model is based on rapid electro-osmotic coupling between the phloem and xylem. The model suggests that the depolarization of membranes within the vascular matrix triggered by physical stimuli and/or chemical elicitors is linked to changes in phloem turgor and that this plays vital roles in leaf-to-leaf electrical signal propagation.
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Affiliation(s)
- Edward E Farmer
- Department of Plant Molecular Biology, Biophore, University of Lausanne, Lausanne, CH-1015, Switzerland
| | - Yong-Qiang Gao
- Department of Plant Molecular Biology, Biophore, University of Lausanne, Lausanne, CH-1015, Switzerland
| | - Gioia Lenzoni
- Department of Plant Molecular Biology, Biophore, University of Lausanne, Lausanne, CH-1015, Switzerland
- School of Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Geneva 4, CH-1211, Switzerland
| | - Jean-Luc Wolfender
- School of Pharmaceutical Sciences, Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, Geneva 4, CH-1211, Switzerland
| | - Qian Wu
- Department of Plant Molecular Biology, Biophore, University of Lausanne, Lausanne, CH-1015, Switzerland
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Zhang H, Zhang H, Lin J. Systemin-mediated long-distance systemic defense responses. THE NEW PHYTOLOGIST 2020; 226:1573-1582. [PMID: 32083726 DOI: 10.1111/nph.16495] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 02/13/2020] [Indexed: 05/20/2023]
Abstract
Systemin, a peptide plant hormone of 18 amino acids, coordinates local and systemic immune responses. The activation of the canonical systemin-mediated systemic signaling pathway involves systemin release from its precursor prosystemin, systemin binding to its membrane receptor SYSTEMIN RECEPTOR1 (SYR1), and the transport of long-distance signaling molecules, including jasmonic acid, the prosystemin mRNA, volatile organic compounds and possibly systemin itself. Here, we review emerging evidence that the disordered structure and unconventional processing and secretion of systemin contribute to the regulation of systemin-mediated signaling during plant defense. We highlight recent advances in systemin research, which elucidated how cells integrate multiple long-distance signals into the systemic defense response. In addition, we discuss the perception of systemin by SYR1 and its mediation of downstream defense responses.
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Affiliation(s)
- Haiyan Zhang
- Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin, 300387, China
| | - Hui Zhang
- Key Laboratory of Plant Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China
| | - Jinxing Lin
- Key Laboratory of Plant Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China
- Beijing Advanced Innovation Center for Tree Breeding by Molecular Design and College of Biological Sciences, Beijing Forestry University, Beijing, 100083, China
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Yin CF, Kao SC, Hsu CL, Chang YW, Cheung CHY, Huang HC, Juan HF. Phosphoproteome Analysis Reveals Dynamic Heat Shock Protein 27 Phosphorylation in Tanshinone IIA-Induced Cell Death. J Proteome Res 2020; 19:1620-1634. [DOI: 10.1021/acs.jproteome.9b00836] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Chieh-Fan Yin
- Department of Life Science and Institute of Molecular and Cellular Biology, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Shih-Chieh Kao
- Department of Life Science and Institute of Molecular and Cellular Biology, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Chia-Lang Hsu
- Department of Life Science and Institute of Molecular and Cellular Biology, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
- Department of Medical Research, National Taiwan University Hospital, Taipei 10002, Taiwan
| | - Yi-Wen Chang
- Department of Life Science and Institute of Molecular and Cellular Biology, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Chantal Hoi Yin Cheung
- Department of Life Science and Institute of Molecular and Cellular Biology, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
| | - Hsuan-Cheng Huang
- Institute of Biomedical Informatics, National Yang-Ming University, No. 155, Section 2, Linong Street, Taipei 11221, Taiwan
| | - Hsueh-Fen Juan
- Department of Life Science and Institute of Molecular and Cellular Biology, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
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Ahsan N, Wilson RS, Rao RSP, Salvato F, Sabila M, Ullah H, Miernyk JA. Mass Spectrometry-Based Identification of Phospho-Tyr in Plant Proteomics. J Proteome Res 2020; 19:561-571. [PMID: 31967836 DOI: 10.1021/acs.jproteome.9b00550] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
O-Phosphorylation (phosphorylation of the hydroxyl-group of S, T, and Y residues) is among the first described and most thoroughly studied posttranslational modification (PTM). Y-Phosphorylation, catalyzed by Y-kinases, is a key step in both signal transduction and regulation of enzymatic activity in mammalian systems. Canonical Y-kinase sequences are absent from plant genomes/kinomes, often leading to the assumption that plant cells lack O-phospho-l-tyrosine (pY). However, recent improvements in sample preparation, coupled with advances in instrument sensitivity and accessibility, have led to results that unequivocally disproved this assumption. Identification of hundreds of pY-peptides/proteins, followed by validation using genomic, molecular, and biochemical approaches, implies previously unappreciated roles for this "animal PTM" in plants. Herein, we review extant results from studies of pY in plants and propose a strategy for preparation and analysis of pY-peptides that will allow a depth of coverage of the plant pY-proteome comparable to that achieved in mammalian systems.
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Affiliation(s)
- Nagib Ahsan
- Division of Biology and Medicine , Brown University , Providence , Rhode Island 02903 , United States.,Center for Cancer Research Development, Proteomics Core Facility , Rhode Island Hospital , Providence , Rhode Island 02903 , United States
| | - Rashaun S Wilson
- Keck Mass Spectrometry & Proteomics Resource , Yale University , New Haven , Connecticut 06511 , United States
| | - R Shyama Prasad Rao
- Biostatistics and Bioinformatics Division, Yenepoya Research Center , Yenepoya University , Mangalore 575018 , India
| | - Fernanda Salvato
- Department of Plant and Microbial Biology, College of Agriculture and Life Sciences , North Carolina State University , Raleigh , North Carolina 27695 , United States
| | - Mercy Sabila
- Department of Biology , Howard University , Washington , D.C. 20059 , United States
| | - Hemayet Ullah
- Department of Biology , Howard University , Washington , D.C. 20059 , United States
| | - Ján A Miernyk
- Division of Biochemistry , University of Missouri , Columbia , Missouri 65211 , United States
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Coppola M, Di Lelio I, Romanelli A, Gualtieri L, Molisso D, Ruocco M, Avitabile C, Natale R, Cascone P, Guerrieri E, Pennacchio F, Rao R. Tomato Plants Treated with Systemin Peptide Show Enhanced Levels of Direct and Indirect Defense Associated with Increased Expression of Defense-Related Genes. PLANTS 2019; 8:plants8100395. [PMID: 31623335 PMCID: PMC6843623 DOI: 10.3390/plants8100395] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 09/25/2019] [Accepted: 10/01/2019] [Indexed: 01/11/2023]
Abstract
Plant defense peptides represent an important class of compounds active against pathogens and insects. These molecules controlling immune barriers can potentially be used as novel tools for plant protection, which mimic natural defense mechanisms against invaders. The constitutive expression in tomato plants of the precursor of the defense peptide systemin was previously demonstrated to increase tolerance against moth larvae and aphids and to hamper the colonization by phytopathogenic fungi, through the expression of a wealth of defense-related genes. In this work we studied the impact of the exogenous supply of systemin to tomato plants on pests to evaluate the use of the peptide as a tool for crop protection in non-transgenic approaches. By combining gene expression studies and bioassays with different pests we demonstrate that the exogenous supply of systemin to tomato plants enhances both direct and indirect defense barriers. Experimental plants, exposed to this peptide by foliar spotting or root uptake through hydroponic culture, impaired larval growth and development of the noctuid moth Spodoptera littoralis, even across generations, reduced the leaf colonization by the fungal pathogen Botrytis cinerea and were more attractive towards natural herbivore antagonists. The induction of these defense responses was found to be associated with molecular and biochemical changes under control of the systemin signalling cascade. Our results indicate that the direct delivery of systemin, likely characterized by a null effect on non-target organisms, represents an interesting tool for the sustainable protection of tomato plants.
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Affiliation(s)
- Mariangela Coppola
- Dipartimento di Agraria, Università degli Studi di Napoli Federico II, Via Università 100, 80055 Portici, Italy; (M.C.); (I.D.L.); (D.M.)
| | - Ilaria Di Lelio
- Dipartimento di Agraria, Università degli Studi di Napoli Federico II, Via Università 100, 80055 Portici, Italy; (M.C.); (I.D.L.); (D.M.)
| | - Alessandra Romanelli
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano, via Venezian 21, 20133 Milano, Italy;
| | | | - Donata Molisso
- Dipartimento di Agraria, Università degli Studi di Napoli Federico II, Via Università 100, 80055 Portici, Italy; (M.C.); (I.D.L.); (D.M.)
| | - Michelina Ruocco
- CNR-IPSP, Via Università 133, 80055 Portici, Italy; (L.G.); (M.R.)
| | | | - Roberto Natale
- Dipartimento di Agraria, Università degli Studi di Napoli Federico II, Via Università 100, 80055 Portici, Italy; (M.C.); (I.D.L.); (D.M.)
| | - Pasquale Cascone
- CNR-IPSP, Via Università 133, 80055 Portici, Italy; (L.G.); (M.R.)
| | - Emilio Guerrieri
- CNR-IPSP, Via Università 133, 80055 Portici, Italy; (L.G.); (M.R.)
| | - Francesco Pennacchio
- Dipartimento di Agraria, Università degli Studi di Napoli Federico II, Via Università 100, 80055 Portici, Italy; (M.C.); (I.D.L.); (D.M.)
| | - Rosa Rao
- Dipartimento di Agraria, Università degli Studi di Napoli Federico II, Via Università 100, 80055 Portici, Italy; (M.C.); (I.D.L.); (D.M.)
- Correspondence: ; Tel.: +39-081-2539204
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20
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Arabidopsis H +-ATPase AHA1 controls slow wave potential duration and wound-response jasmonate pathway activation. Proc Natl Acad Sci U S A 2019; 116:20226-20231. [PMID: 31527254 PMCID: PMC6778210 DOI: 10.1073/pnas.1907379116] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Electrogenic proton pumps have been implicated in the generation of slow wave potentials (SWPs), damage-induced membrane depolarizations that activate the jasmonate (JA) defense pathway in leaves distal to wounds. However, no defined H+-ATPases have been shown to modulate these electrical signals. Pilot experiments revealed that the proton pump activator fusicoccin attenuated SWP duration in Arabidopsis Using mutant analyses, we identified Arabidopsis H+-ATPase 1 (AHA1) as a SWP regulator. The duration of the repolarization phase was strongly extended in reduced function aha1 mutants. Moreover, the duration of SWP repolarization was shortened in the presence of a gain-of-function AHA1 allele. We employed aphid electrodes to probe the effects of the aha1 mutation on wound-stimulated electrical activity in the phloem. Relative to the wild type, the aha1-7 mutant increased the duration and reduced the amplitudes of electrical signals in sieve tube cells. In addition to affecting electrical signaling, expression of the JA pathway marker gene JAZ10 in leaves distal to wounds was enhanced in aha1-7 Consistent with this, levels of wound-response jasmonoyl-isoleucine were enhanced in the mutant, as was defense against a lepidopteran herbivore. The work identifies a discrete member of the P-type ATPase superfamily with a role in leaf-to-leaf electrical signaling and plant defense.
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