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Meinnel T, Giglione C. N-terminal modifications, the associated processing machinery, and their evolution in plastid-containing organisms. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:6013-6033. [PMID: 35768189 DOI: 10.1093/jxb/erac290] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/28/2022] [Indexed: 06/15/2023]
Abstract
The N-terminus is a frequent site of protein modifications. Referring primarily to knowledge gained from land plants, here we review the modifications that change protein N-terminal residues and provide updated information about the associated machinery, including that in Archaeplastida. These N-terminal modifications include many proteolytic events as well as small group additions such as acylation or arginylation and oxidation. Compared with that of the mitochondrion, the plastid-dedicated N-terminal modification landscape is far more complex. In parallel, we extend this review to plastid-containing Chromalveolata including Stramenopiles, Apicomplexa, and Rhizaria. We report a well-conserved machinery, especially in the plastid. Consideration of the two most abundant proteins on Earth-Rubisco and actin-reveals the complexity of N-terminal modification processes. The progressive gene transfer from the plastid to the nuclear genome during evolution is exemplified by the N-terminus modification machinery, which appears to be one of the latest to have been transferred to the nuclear genome together with crucial major photosynthetic landmarks. This is evidenced by the greater number of plastid genes in Paulinellidae and red algae, the most recent and fossil recipients of primary endosymbiosis.
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Affiliation(s)
- Thierry Meinnel
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), Gif-sur-Yvette, France
| | - Carmela Giglione
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), Gif-sur-Yvette, France
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Basak S, Kundu P. Plant metacaspases: Decoding their dynamics in development and disease. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 180:50-63. [PMID: 35390704 DOI: 10.1016/j.plaphy.2022.03.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 03/02/2022] [Accepted: 03/20/2022] [Indexed: 06/14/2023]
Abstract
Plant metacaspases were evolved in parallel to well-characterized animal counterpart caspases and retained the similar histidine-cysteine catalytic dyad, leading to functional congruity between these endopeptidases. Although phylogenetic relatedness of the catalytic domain and functional commonality placed these proteases in the caspase family, credible counterarguments predominantly about their distinct substrate specificity raised doubts about the classification. Metacaspases are involved in regulating the PCD during development as well as in senescence. Balancing acts of metacaspase activity also dictate cell fate during defense upon the perception of adverse environmental cues. Accordingly, their activity is tightly regulated, while suppressing spurious activation, by a combination of genetic and post-translational modifications. Structural insights from recent studies provided vital clues on the functionality. This comprehensive review aims to explore the origin of plant metacaspases, and their regulatory and functional diversity in different plants while discussing their analogy to mammalian caspases. Besides, we have presented various modern methodologies for analyzing the proteolytic activity of these indispensable molecules in the healthy or stressed life of a plant. The review would serve as a repository of all the available pieces of evidence indicating metacaspases as the key regulator of PCD across the plant kingdom and highlight the prospect of studying metacaspases for their inclusion in a crop improvement program.
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Affiliation(s)
- Shrabani Basak
- Division of Plant Biology, Bose Institute, EN-80, Sector V, Bidhannagar, Kolkata, 700091, West Bengal, India.
| | - Pallob Kundu
- Division of Plant Biology, Bose Institute, EN-80, Sector V, Bidhannagar, Kolkata, 700091, West Bengal, India.
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Millar AH, Heazlewood JL, Giglione C, Holdsworth MJ, Bachmair A, Schulze WX. The Scope, Functions, and Dynamics of Posttranslational Protein Modifications. ANNUAL REVIEW OF PLANT BIOLOGY 2019; 70:119-151. [PMID: 30786234 DOI: 10.1146/annurev-arplant-050718-100211] [Citation(s) in RCA: 140] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Assessing posttranslational modification (PTM) patterns within protein molecules and reading their functional implications present grand challenges for plant biology. We combine four perspectives on PTMs and their roles by considering five classes of PTMs as examples of the broader context of PTMs. These include modifications of the N terminus, glycosylation, phosphorylation, oxidation, and N-terminal and protein modifiers linked to protein degradation. We consider the spatial distribution of PTMs, the subcellular distribution of modifying enzymes, and their targets throughout the cell, and we outline the complexity of compartmentation in understanding of PTM function. We also consider PTMs temporally in the context of the lifetime of a protein molecule and the need for different PTMs for assembly, localization, function, and degradation. Finally, we consider the combined action of PTMs on the same proteins, their interactions, and the challenge ahead of integrating PTMs into an understanding of protein function in plants.
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Affiliation(s)
- A Harvey Millar
- ARC Centre of Excellence in Plant Energy Biology, School of Molecular Sciences, University of Western Australia, Crawley, Western Australia 6009, Australia;
| | - Joshua L Heazlewood
- School of BioSciences, University of Melbourne, Melbourne, Victoria 3010, Australia;
| | - Carmela Giglione
- Institute for Integrative Biology of the Cell, CNRS UMR9198, F-91198 Gif-sur-Yvette Cedex, France;
| | - Michael J Holdsworth
- School of Biosciences, University of Nottingham, Loughborough LE12 5RD, United Kingdom;
| | - Andreas Bachmair
- Department of Biochemistry and Cell Biology, Max F. Perutz Laboratories, University of Vienna, A-1030 Vienna, Austria;
| | - Waltraud X Schulze
- Systembiologie der Pflanze, Universität Hohenheim, 70599 Stuttgart, Germany;
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Demir F, Niedermaier S, Villamor JG, Huesgen PF. Quantitative proteomics in plant protease substrate identification. THE NEW PHYTOLOGIST 2018; 218:936-943. [PMID: 28493421 DOI: 10.1111/nph.14587] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Accepted: 03/07/2017] [Indexed: 05/17/2023]
Abstract
Contents Summary 936 I. Introduction 936 II. The quest for plant protease substrates - proteomics to the rescue? 937 III. Quantitative proteome comparison reveals candidate substrates 938 IV. Dynamic metabolic stable isotope labeling to measure protein turnover in vivo 938 V. Terminomics - large-scale identification of protease cleavage sites 939 VI. Substrate or not substrate, that is the question 940 VII. Concluding remarks 941 Acknowledgements 941 References 941 SUMMARY: Proteolysis is a central regulatory mechanism of protein homeostasis and protein function that affects all aspects of plant life. Higher plants encode for hundreds of proteases, but their physiological substrates and hence their molecular functions remain mostly unknown. Current quantitative mass spectrometry-based proteomics enables unbiased large-scale interrogation of the proteome and its modifications. Here we provide an overview of proteomics techniques that allow profiling of changes in protein abundance, measurement of proteome turnover rates, identification of protease cleavage sites in vivo and in vitro and determination of protease sequence specificity. We discuss how these techniques can help to reveal protease substrates and determine plant protease function, illustrated by recent studies on selected plant proteases.
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Affiliation(s)
- Fatih Demir
- ZEA-3 Analytics, Central Institute for Engineering, Electronics and Analytics, Forschungszentrum Jülich, Wilhelm-Johnen-Str., Jülich, 52425, Germany
| | - Stefan Niedermaier
- ZEA-3 Analytics, Central Institute for Engineering, Electronics and Analytics, Forschungszentrum Jülich, Wilhelm-Johnen-Str., Jülich, 52425, Germany
| | - Joji Grace Villamor
- ZEA-3 Analytics, Central Institute for Engineering, Electronics and Analytics, Forschungszentrum Jülich, Wilhelm-Johnen-Str., Jülich, 52425, Germany
| | - Pitter Florian Huesgen
- ZEA-3 Analytics, Central Institute for Engineering, Electronics and Analytics, Forschungszentrum Jülich, Wilhelm-Johnen-Str., Jülich, 52425, Germany
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Sueldo DJ, van der Hoorn RAL. Plant life needs cell death, but does plant cell death need Cys proteases? FEBS J 2017; 284:1577-1585. [PMID: 28165668 DOI: 10.1111/febs.14034] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 01/14/2017] [Accepted: 02/01/2017] [Indexed: 12/13/2022]
Abstract
Caspases are key regulators of apoptosis in animals. This correlation has driven plant researchers for decades to look for caspases regulating programmed cell death (PCD) in plants. These studies revealed caspase-like activities, caspase-related proteases, and cysteine (Cys) proteases regulating PCD in plants, but identified no caspases and no conserved, apoptosis-like death pathway. Here, we critically review the evidence for Cys proteases implicated in PCD in plants. We discuss the role of papain-like Cys proteases, vacuolar processing enzymes, and metacaspases in PCD during the development of tracheary elements, seed coat, suspensor, and tapetum, and during the hypersensitive response. There are several convincing cases where these Cys proteases are required for PCD, but this requirement is often not conserved across different plant species. There are also cases where Cys proteases contribute to the speed, but not the timing of PCD, while other Cys proteases are nonessential for PCD, but have other roles, e.g., in the clearance of cell remains after PCD. These data illustrate the need for caution when generalizing the role of Cys proteases in regulating PCD in plants, and call for studies that further investigate plant Cys proteases and other PCD regulators.
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Affiliation(s)
- Daniela J Sueldo
- The Plant Chemetics Laboratory, Department of Plant Sciences, University of Oxford, UK
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Walton A, Tsiatsiani L, Jacques S, Stes E, Messens J, Van Breusegem F, Goormachtig S, Gevaert K. Diagonal chromatography to study plant protein modifications. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2016; 1864:945-51. [PMID: 26772901 DOI: 10.1016/j.bbapap.2016.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 12/01/2015] [Accepted: 01/04/2016] [Indexed: 10/22/2022]
Abstract
An interesting asset of diagonal chromatography, which we have introduced for contemporary proteome research, is its high versatility concerning proteomic applications. Indeed, the peptide modification or sorting step that is required between consecutive peptide separations can easily be altered and thereby allows for the enrichment of specific, though different types of peptides. Here, we focus on the application of diagonal chromatography for the study of modifications of plant proteins. In particular, we show how diagonal chromatography allows for studying proteins processed by proteases, protein ubiquitination, and the oxidation of protein-bound methionines. We discuss the actual sorting steps needed for each of these applications and the obtained results. This article is part of a Special Issue entitled: Plant Proteomics--a bridge between fundamental processes and crop production, edited by Dr. Hans-Peter Mock.
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Affiliation(s)
- Alan Walton
- Department of Medical Protein Research, VIB, 9000 Ghent, Belgium; Department of Biochemistry, Ghent University, 9000 Ghent, Belgium; Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
| | - Liana Tsiatsiani
- Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Padualaan 8, 3584 CH Utrecht, the Netherlands; Netherlands Proteomics Centre, Padualaan 8, 3584 CH Utrecht, the Netherlands
| | - Silke Jacques
- Department of Medical Protein Research, VIB, 9000 Ghent, Belgium; Department of Biochemistry, Ghent University, 9000 Ghent, Belgium; Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
| | - Elisabeth Stes
- Department of Medical Protein Research, VIB, 9000 Ghent, Belgium; Department of Biochemistry, Ghent University, 9000 Ghent, Belgium; Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
| | - Joris Messens
- Structural Biology Research Center, VIB, 1050 Brussels, Belgium; Brussels Center for Redox Biology, 1050 Brussels, Belgium; Structural Biology Brussels, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Frank Van Breusegem
- Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
| | - Sofie Goormachtig
- Department of Plant Systems Biology, VIB, 9052 Ghent, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
| | - Kris Gevaert
- Department of Medical Protein Research, VIB, 9000 Ghent, Belgium; Department of Biochemistry, Ghent University, 9000 Ghent, Belgium.
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