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Denjalli I, Knieper M, Uthoff J, Vogelsang L, Kumar V, Seidel T, Dietz KJ. The centrality of redox regulation and sensing of reactive oxygen species in abiotic and biotic stress acclimatization. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:4494-4511. [PMID: 38329465 DOI: 10.1093/jxb/erae041] [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: 12/17/2023] [Accepted: 02/06/2024] [Indexed: 02/09/2024]
Abstract
During land plant evolution, the number of genes encoding for components of the thiol redox regulatory network and the generator systems of reactive oxygen species (ROS) expanded, tentatively indicating that they have a role in tailored environmental acclimatization. This hypothesis has been validated both experimentally and theoretically during the last few decades. Recent developments of dynamic redox-sensitive GFP (roGFP)-based in vivo sensors for H2O2 and the redox potential of the glutathione pool have paved the way for dissecting the kinetics changes that occur in these crucial parameters in response to environmental stressors. The versatile cellular redox sensory and response regulatory system monitors alterations in redox metabolism and controls the activity of redox target proteins, and thereby affects most, if not all, cellular processes ranging from transcription to translation and metabolism. This review uses examples to describe the role of the redox- and ROS-dependent regulatory network in realising the appropriate responses to diverse environmental stresses. The selected case studies concern different environmental challenges, namely excess excitation energy, the heavy metal cadmium and the metalloid arsenic, nitrogen or phosphate shortages as examples for nutrient deficiency, wounding, and nematode infestation. Each challenge affects the redox-regulatory and ROS network, but our present state of knowledge also points toward pressing questions that remain open in relation to the translation of redox regulation to environmental acclimatization.
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Affiliation(s)
- Ibadete Denjalli
- Biochemistry and Physiology of Plants, Faculty of Biology, Bielefeld University, 33615 Bielefeld, Germany
| | - Madita Knieper
- Biochemistry and Physiology of Plants, Faculty of Biology, Bielefeld University, 33615 Bielefeld, Germany
- Center of Biotechnology, CeBiTec, Bielefeld University, 33615 Bielefeld, Germany
| | - Jana Uthoff
- Biochemistry and Physiology of Plants, Faculty of Biology, Bielefeld University, 33615 Bielefeld, Germany
| | - Lara Vogelsang
- Biochemistry and Physiology of Plants, Faculty of Biology, Bielefeld University, 33615 Bielefeld, Germany
- Center of Biotechnology, CeBiTec, Bielefeld University, 33615 Bielefeld, Germany
| | - Vijay Kumar
- Biochemistry and Physiology of Plants, Faculty of Biology, Bielefeld University, 33615 Bielefeld, Germany
| | - Thorsten Seidel
- Biochemistry and Physiology of Plants, Faculty of Biology, Bielefeld University, 33615 Bielefeld, Germany
| | - Karl-Josef Dietz
- Biochemistry and Physiology of Plants, Faculty of Biology, Bielefeld University, 33615 Bielefeld, Germany
- Center of Biotechnology, CeBiTec, Bielefeld University, 33615 Bielefeld, Germany
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Willems P, Sterck L, Dard A, Huang J, De Smet I, Gevaert K, Van Breusegem F. The Plant PTM Viewer 2.0: in-depth exploration of plant protein modification landscapes. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:4611-4624. [PMID: 38872385 DOI: 10.1093/jxb/erae270] [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: 03/23/2024] [Accepted: 06/13/2024] [Indexed: 06/15/2024]
Abstract
Post-translational modifications (PTMs) greatly increase protein diversity and functionality. To help the plant research community interpret the ever-increasing number of reported PTMs, the Plant PTM Viewer (https://www.psb.ugent.be/PlantPTMViewer) provides an intuitive overview of plant protein PTMs and the tools to assess it. This update includes 62 novel PTM profiling studies, adding a total of 112 000 modified peptides reporting plant PTMs, including 14 additional PTM types and three species (moss, tomato, and soybean). Furthermore, an open modification re-analysis of a large-scale Arabidopsis thaliana mass spectrometry tissue atlas identified previously uncharted landscapes of lysine acylations predominant in seed and flower tissues and 3-phosphoglycerylation on glycolytic enzymes in plants. An extra 'Protein list analysis' tool was developed for retrieval and assessing the enrichment of PTMs in a protein list of interest. We conducted a protein list analysis on nuclear proteins, revealing a substantial number of redox modifications in the nucleus, confirming previous assumptions regarding the redox regulation of transcription. We encourage the plant research community to use PTM Viewer 2.0 for hypothesis testing and new target discovery, and also to submit new data to expand the coverage of conditions, plant species, and PTM types, thereby enriching our understanding of plant biology.
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Affiliation(s)
- Patrick Willems
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
- Department of Biomolecular Medicine, Ghent University, 9052 Ghent, Belgium
- VIB Center for Medical Biotechnology, VIB, 9052 Ghent, Belgium
| | - Lieven Sterck
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Avilien Dard
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Jingjing Huang
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Ive De Smet
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Kris Gevaert
- Department of Biomolecular Medicine, Ghent University, 9052 Ghent, Belgium
- VIB Center for Medical Biotechnology, VIB, 9052 Ghent, Belgium
| | - Frank Van Breusegem
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
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Sun E, Gu Z, Li H, Liu X, Li Y, Xiao F. Flexible Graphene Paper Modified Using Pt&Pd Alloy Nanoparticles Decorated Nanoporous Gold Support for the Electrochemical Sensing of Small Molecular Biomarkers. BIOSENSORS 2024; 14:172. [PMID: 38667165 PMCID: PMC11048118 DOI: 10.3390/bios14040172] [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: 02/06/2024] [Revised: 03/27/2024] [Accepted: 03/29/2024] [Indexed: 04/28/2024]
Abstract
The exploration into nanomaterial-based nonenzymatic biosensors with superb performance in terms of good sensitivity and anti-interference ability in disease marker monitoring has always attained undoubted priority in sensing systems. In this work, we report the design and synthesis of a highly active nanocatalyst, i.e., palladium and platinum nanoparticles (Pt&Pd-NPs) decorated ultrathin nanoporous gold (NPG) film, which is modified on a homemade graphene paper (GP) to develop a high-performance freestanding and flexible nanohybrid electrode. Owing to the structural characteristics the robust GP electrode substrate, and high electrochemically catalytic activities and durability of the permeable NPG support and ultrafine and high-density Pt&Pd-NPs on it, the resultant Pt&Pd-NPs-NPG/GP electrode exhibits excellent sensing performance of low detection limitation, high sensitivity and anti-interference capability, good reproducibility and long-term stability for the detection of small molecular biomarkers hydrogen peroxide (H2O2) and glucose (Glu), and has been applied to the monitoring of H2O2 in different types of live cells and Glu in body fluids such as urine and fingertip blood, which is of great significance for the clinical diagnosis and prognosis in point-of-care testing.
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Affiliation(s)
- Encheng Sun
- Technology Inspection Center of Shengli Oilfield Branch, Sinopec (Shandong) Testing and Evaluation Research Co. Ltd., China Petrochemical Corporation, Dongying 257000, China; (E.S.); (H.L.); (X.L.); (Y.L.)
- Sinopec (Shandong) Testing and Evaluation Research Co. Ltd., China Petrochemical Corporation, Dongying 257000, China
| | - Zhenqi Gu
- Technology Inspection Center of Shengli Oilfield Branch, Sinopec (Shandong) Testing and Evaluation Research Co. Ltd., China Petrochemical Corporation, Dongying 257000, China; (E.S.); (H.L.); (X.L.); (Y.L.)
| | - Haoran Li
- Technology Inspection Center of Shengli Oilfield Branch, Sinopec (Shandong) Testing and Evaluation Research Co. Ltd., China Petrochemical Corporation, Dongying 257000, China; (E.S.); (H.L.); (X.L.); (Y.L.)
| | - Xiao Liu
- Technology Inspection Center of Shengli Oilfield Branch, Sinopec (Shandong) Testing and Evaluation Research Co. Ltd., China Petrochemical Corporation, Dongying 257000, China; (E.S.); (H.L.); (X.L.); (Y.L.)
| | - Yuan Li
- Technology Inspection Center of Shengli Oilfield Branch, Sinopec (Shandong) Testing and Evaluation Research Co. Ltd., China Petrochemical Corporation, Dongying 257000, China; (E.S.); (H.L.); (X.L.); (Y.L.)
| | - Fei Xiao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science & Technology, Wuhan 430074, China
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Dietz KJ, Vogelsang L. A general concept of quantitative abiotic stress sensing. TRENDS IN PLANT SCIENCE 2024; 29:319-328. [PMID: 37591742 DOI: 10.1016/j.tplants.2023.07.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 07/11/2023] [Accepted: 07/19/2023] [Indexed: 08/19/2023]
Abstract
Plants often encounter stress in their environment. For appropriate responses to particular stressors, cells rely on sensory mechanisms that detect emerging stress. Considering sensor and signal amplification characteristics, a single sensor system hardly covers the entire stress range encountered by plants (e.g., salinity, drought, temperature stress). A dual system comprising stress-specific sensors and a general quantitative stress sensory system is proposed to enable the plant to optimize its response. The quantitative stress sensory system exploits the redox and reactive oxygen species (ROS) network by altering the oxidation and reduction rates of individual redox-active molecules under stress impact. The proposed mechanism of quantitative stress sensing also fits the requirement of dealing with multifactorial stress conditions.
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Affiliation(s)
- Karl-Josef Dietz
- Bielefeld University, Biochemistry and Physiology of Plants, W5-134, 33615 Bielefeld, Germany.
| | - Lara Vogelsang
- Bielefeld University, Biochemistry and Physiology of Plants, W5-134, 33615 Bielefeld, Germany
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Ahammed GJ, Li Z, Chen J, Dong Y, Qu K, Guo T, Wang F, Liu A, Chen S, Li X. Reactive oxygen species signaling in melatonin-mediated plant stress response. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 207:108398. [PMID: 38359555 DOI: 10.1016/j.plaphy.2024.108398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 01/08/2024] [Accepted: 01/22/2024] [Indexed: 02/17/2024]
Abstract
Reactive oxygen species (ROS) are crucial signaling molecules in plants that play multifarious roles in prompt response to environmental stimuli. Despite the classical thoughts that ROS are toxic when accumulate in excess, recent advances in plant ROS signaling biology reveal that ROS participate in biotic and abiotic stress perception, signal integration, and stress-response network activation, hence contributing to plant defense and stress tolerance. ROS production, scavenging and transport are fine-tuned by plant hormones and stress-response signaling pathways. Crucially, the emerging plant hormone melatonin attenuates excessive ROS accumulation under stress, whereas ROS signaling mediates melatonin-induced plant developmental response and stress tolerance. In particular, RESPIRATORY BURST OXIDASE HOMOLOG (RBOH) proteins responsible for apoplastic ROS generation act downstream of melatonin to mediate stress response. In this review, we discuss promising developments in plant ROS signaling and how ROS might mediate melatonin-induced plant resilience to environmental stress.
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Affiliation(s)
- Golam Jalal Ahammed
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China
| | - Zhe Li
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China
| | - Jingying Chen
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China
| | - Yifan Dong
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China
| | - Kehao Qu
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China
| | - Tianmeng Guo
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China
| | - Fenghua Wang
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China
| | - Airong Liu
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China
| | - Shuangchen Chen
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China.
| | - Xin Li
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture and Rural Affairs, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, 310008, PR China.
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Hashimoto T, Hashimoto K, Shindo H, Tsuboyama S, Miyakawa T, Tanokura M, Kuchitsu K. Enhanced Ca 2+ binding to EF-hands through phosphorylation of conserved serine residues activates MpRBOHB and chitin-triggered ROS production. PHYSIOLOGIA PLANTARUM 2023; 175:e14101. [PMID: 38148249 DOI: 10.1111/ppl.14101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 11/14/2023] [Indexed: 12/28/2023]
Abstract
NADPH oxidases/RBOHs catalyze apoplastic ROS production and act as key signaling nodes, integrating multiple signal transduction pathways regulating plant development and stress responses. Although RBOHs have been suggested to be activated by Ca2+ binding and phosphorylation by various protein kinases, a mechanism linking Ca2+ binding and phosphorylation in the activity regulation remained elusive. Chitin-triggered ROS production required cytosolic Ca2+ elevation and Ca2+ binding to MpRBOHB in a liverwort Marchantia polymorpha. Heterologous expression analysis of truncated variants revealed that a segment of the N-terminal cytosolic region highly conserved among land plant RBOHs encompassing the two EF-hand motifs is essential for the activation of MpRBOHB. Within the conserved regulatory domain, we have identified two Ser residues whose phosphorylation is critical for the activation in planta. Isothermal titration calorimetry analyses revealed that phosphorylation of the two Ser residues increased the Ca2+ binding affinity of MpRBOHB, while Ca2+ binding is indispensable for the activation, even if the two Ser residues are phosphorylated. Our findings shed light on a mechanism through which phosphorylation potentiates the Ca2+ -dependent activation of MpRBOHB, emphasizing the pivotal role of Ca2+ binding in mediating the Ca2+ and phosphorylation-driven activation of MpRBOHB, which is likely to represent a fundamental mechanism conserved among land plant RBOHs.
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Affiliation(s)
- Takafumi Hashimoto
- Department of Applied Biological Science, Tokyo University of Science, Chiba, Japan
| | - Kenji Hashimoto
- Department of Applied Biological Science, Tokyo University of Science, Chiba, Japan
| | - Hiroki Shindo
- Department of Applied Biological Science, Tokyo University of Science, Chiba, Japan
| | - Shoko Tsuboyama
- Department of Applied Biological Science, Tokyo University of Science, Chiba, Japan
| | - Takuya Miyakawa
- Graduate School of Biostudies, Kyoto University, Kyoto, Japan
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Masaru Tanokura
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Kazuyuki Kuchitsu
- Department of Applied Biological Science, Tokyo University of Science, Chiba, Japan
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