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Yang Y, Chaffin TA, Ahkami AH, Blumwald E, Stewart CN. Plant synthetic biology innovations for biofuels and bioproducts. Trends Biotechnol 2022; 40:1454-1468. [PMID: 36241578 DOI: 10.1016/j.tibtech.2022.09.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/26/2022] [Accepted: 09/15/2022] [Indexed: 01/21/2023]
Abstract
Plant-based biosynthesis of fuels, chemicals, and materials promotes environmental sustainability, which includes decreases in greenhouse gas emissions, water pollution, and loss of biodiversity. Advances in plant synthetic biology (synbio) should improve precision and efficacy of genetic engineering for sustainability. Applicable synbio innovations include genome editing, gene circuit design, synthetic promoter development, gene stacking technologies, and the design of environmental sensors. Moreover, recent advancements in developing spatially resolved and single-cell omics contribute to the discovery and characterization of cell-type-specific mechanisms and spatiotemporal gene regulations in distinct plant tissues for the expression of cell- and tissue-specific genes, resulting in improved bioproduction. This review highlights recent plant synbio progress and new single-cell molecular profiling towards sustainable biofuel and biomaterial production.
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Affiliation(s)
- Yongil Yang
- Center for Agricultural Synthetic Biology, University of Tennessee Institute of Agriculture, Knoxville, TN, USA; Department of Plant Sciences, University of Tennessee, Knoxville, TN, USA
| | - Timothy Alexander Chaffin
- Center for Agricultural Synthetic Biology, University of Tennessee Institute of Agriculture, Knoxville, TN, USA; Department of Plant Sciences, University of Tennessee, Knoxville, TN, USA
| | - Amir H Ahkami
- Environmental Molecular Sciences Laboratory (EMSL), Pacific Northwest National Laboratory (PNNL), Richland, WA, USA
| | - Eduardo Blumwald
- Department of Plant Sciences, University of California, Davis, CA, USA
| | - Charles Neal Stewart
- Center for Agricultural Synthetic Biology, University of Tennessee Institute of Agriculture, Knoxville, TN, USA; Department of Plant Sciences, University of Tennessee, Knoxville, TN, USA; Center for Bioenergy Innovation, Oak Ridge National Laboratory, Oak Ridge, TN, USA.
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2
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Ruprecht C, Blaukopf M, Pfrengle F. Synthetic fragments of plant polysaccharides as tools for cell wall biology. Curr Opin Chem Biol 2022; 71:102208. [PMID: 36108403 DOI: 10.1016/j.cbpa.2022.102208] [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] [Received: 07/07/2022] [Revised: 08/08/2022] [Accepted: 08/09/2022] [Indexed: 01/27/2023]
Abstract
A sustainable bioeconomy that includes increased agricultural productivity and new technologies to convert renewable biomass to value-added products may help meet the demands of a growing world population for food, energy and materials. The potential use of plant biomass is determined by the properties of the cell walls, consisting of polysaccharides, proteins, and the polyphenolic polymer lignin. Comprehensive knowledge of cell wall glycan structure and biosynthesis is therefore essential for optimal utilization. However, several areas of plant cell wall research are hampered by a lack of available pure oligosaccharide samples that represent structural features of cell wall glycans. Here, we provide an update on recent chemical syntheses of plant cell wall oligosaccharides and their application in characterizing plant cell wall-directed antibodies and carbohydrate-active enzymes including glycosyltransferases and glycosyl hydrolases, with a particular focus on glycan array technology.
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Affiliation(s)
- Colin Ruprecht
- Department of Chemistry, University of Natural Resources and Life Sciences Vienna, Muthgasse 18, 1190 Vienna, Austria
| | - Markus Blaukopf
- Department of Chemistry, University of Natural Resources and Life Sciences Vienna, Muthgasse 18, 1190 Vienna, Austria
| | - Fabian Pfrengle
- Department of Chemistry, University of Natural Resources and Life Sciences Vienna, Muthgasse 18, 1190 Vienna, Austria.
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3
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Abstract
Plant architecture fundamentally differs from that of other multicellular organisms in that individual cells serve as osmotic bricks, defined by the equilibrium between the internal turgor pressure and the mechanical resistance of the surrounding cell wall, which constitutes the interface between plant cells and their environment. The state and integrity of the cell wall are constantly monitored by cell wall surveillance pathways, which relay information to the cell interior. A recent surge of discoveries has led to significant advances in both mechanistic and conceptual insights into a multitude of cell wall response pathways that play diverse roles in the development, defense, stress response, and maintenance of structural integrity of the cell. However, these advances have also revealed the complexity of cell wall sensing, and many more questions remain to be answered, for example, regarding the mechanisms of cell wall perception, the molecular players in this process, and how cell wall-related signals are transduced and integrated into cellular behavior. This review provides an overview of the mechanistic and conceptual insights obtained so far and highlights areas for future discoveries in this exciting area of plant biology.
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Affiliation(s)
- Sebastian Wolf
- Department of Plant Biochemistry, Center for Plant Molecular Biology (ZMBP), Eberhard-Karls University, Tübingen, Germany;
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4
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Ruprecht C, Pfrengle F. Synthetic Plant Glycan Microarrays as Tools for Plant Biology. Methods Mol Biol 2022; 2460:115-125. [PMID: 34972933 DOI: 10.1007/978-1-0716-2148-6_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: 06/14/2023]
Abstract
Chemically synthesized plant oligosaccharides have recently evolved as powerful molecular tools for plant cell wall biology. Synthetic plant glycan microarrays equipped with these oligosaccharides enable high-throughput analyses of glycan-binding proteins and carbohydrate-active enzymes. To produce these glycan microarrays, small amounts of glycan solution are printed on suitable surfaces for covalent or non-covalent immobilization. Synthetic plant glycan microarrays have been used for example to map the epitopes of plant cell wall-directed antibodies, to characterize glycosyl hydrolases and glycosyl transferases, and to analyze lectin binding. In this chapter, detailed experimental procedures for the production of synthetic glycan microarrays and their use for the characterization of cell wall glycan-directed antibodies are described.
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Affiliation(s)
- Colin Ruprecht
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
- Department of Chemistry, University of Natural Resources and Life Sciences Vienna, Vienna, Austria
| | - Fabian Pfrengle
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany.
- Department of Chemistry, University of Natural Resources and Life Sciences Vienna, Vienna, Austria.
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Fittolani G, Tyrikos-Ergas T, Vargová D, Chaube MA, Delbianco M. Progress and challenges in the synthesis of sequence controlled polysaccharides. Beilstein J Org Chem 2021; 17:1981-2025. [PMID: 34386106 PMCID: PMC8353590 DOI: 10.3762/bjoc.17.129] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/22/2021] [Indexed: 01/15/2023] Open
Abstract
The sequence, length and substitution of a polysaccharide influence its physical and biological properties. Thus, sequence controlled polysaccharides are important targets to establish structure-properties correlations. Polymerization techniques and enzymatic methods have been optimized to obtain samples with well-defined substitution patterns and narrow molecular weight distribution. Chemical synthesis has granted access to polysaccharides with full control over the length. Here, we review the progress towards the synthesis of well-defined polysaccharides. For each class of polysaccharides, we discuss the available synthetic approaches and their current limitations.
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Affiliation(s)
- Giulio Fittolani
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
- Department of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Theodore Tyrikos-Ergas
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
- Department of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Denisa Vargová
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Manishkumar A Chaube
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Martina Delbianco
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
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Strasser R, Seifert G, Doblin MS, Johnson KL, Ruprecht C, Pfrengle F, Bacic A, Estevez JM. Cracking the "Sugar Code": A Snapshot of N- and O-Glycosylation Pathways and Functions in Plants Cells. FRONTIERS IN PLANT SCIENCE 2021; 12:640919. [PMID: 33679857 PMCID: PMC7933510 DOI: 10.3389/fpls.2021.640919] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 01/22/2021] [Indexed: 05/04/2023]
Abstract
Glycosylation is a fundamental co-translational and/or post-translational modification process where an attachment of sugars onto either proteins or lipids can alter their biological function, subcellular location and modulate the development and physiology of an organism. Glycosylation is not a template driven process and as such produces a vastly larger array of glycan structures through combinatorial use of enzymes and of repeated common scaffolds and as a consequence it provides a huge expansion of both the proteome and lipidome. While the essential role of N- and O-glycan modifications on mammalian glycoproteins is already well documented, we are just starting to decode their biological functions in plants. Although significant advances have been made in plant glycobiology in the last decades, there are still key challenges impeding progress in the field and, as such, holistic modern high throughput approaches may help to address these conceptual gaps. In this snapshot, we present an update of the most common O- and N-glycan structures present on plant glycoproteins as well as (1) the plant glycosyltransferases (GTs) and glycosyl hydrolases (GHs) responsible for their biosynthesis; (2) a summary of microorganism-derived GHs characterized to cleave specific glycosidic linkages; (3) a summary of the available tools ranging from monoclonal antibodies (mAbs), lectins to chemical probes for the detection of specific sugar moieties within these complex macromolecules; (4) selected examples of N- and O-glycoproteins as well as in their related GTs to illustrate the complexity on their mode of action in plant cell growth and stress responses processes, and finally (5) we present the carbohydrate microarray approach that could revolutionize the way in which unknown plant GTs and GHs are identified and their specificities characterized.
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Affiliation(s)
- Richard Strasser
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Georg Seifert
- Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Monika S. Doblin
- La Trobe Institute for Agriculture & Food, Department of Animal, Plant & Soil Sciences, La Trobe University, Bundoora, VIC, Australia
- The Sino-Australia Plant Cell Wall Research Centre, Zhejiang Agriculture & Forestry University, Hangzhou, China
| | - Kim L. Johnson
- La Trobe Institute for Agriculture & Food, Department of Animal, Plant & Soil Sciences, La Trobe University, Bundoora, VIC, Australia
- The Sino-Australia Plant Cell Wall Research Centre, Zhejiang Agriculture & Forestry University, Hangzhou, China
| | - Colin Ruprecht
- Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Fabian Pfrengle
- Department of Chemistry, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Antony Bacic
- La Trobe Institute for Agriculture & Food, Department of Animal, Plant & Soil Sciences, La Trobe University, Bundoora, VIC, Australia
- The Sino-Australia Plant Cell Wall Research Centre, Zhejiang Agriculture & Forestry University, Hangzhou, China
| | - José M. Estevez
- Fundación Instituto Leloir and Instituto de Investigaciones Bioquímicas de Buenos Aires (IIBBA-CONICET), Buenos Aires, Argentina
- Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago, Chile
- Millennium Institute for Integrative Biology (iBio), Santiago, Chile
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Mende M, Bordoni V, Tsouka A, Loeffler FF, Delbianco M, Seeberger PH. Multivalent glycan arrays. Faraday Discuss 2020; 219:9-32. [PMID: 31298252 DOI: 10.1039/c9fd00080a] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Glycan microarrays have become a powerful technology to study biological processes, such as cell-cell interaction, inflammation, and infections. Yet, several challenges, especially in multivalent display, remain. In this introductory lecture we discuss the state-of-the-art glycan microarray technology, with emphasis on novel approaches to access collections of pure glycans and their immobilization on surfaces. Future directions to mimic the natural glycan presentation on an array format, as well as in situ generation of combinatorial glycan collections, are discussed.
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Affiliation(s)
- Marco Mende
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany.
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8
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Bartetzko MP, Pfrengle F. Automated Glycan Assembly of Plant Oligosaccharides and Their Application in Cell-Wall Biology. Chembiochem 2019; 20:877-885. [PMID: 30427113 DOI: 10.1002/cbic.201800641] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Indexed: 12/12/2022]
Abstract
The plant cell wall provides the richest available resource of fermentable carbohydrates and biobased materials. The main component of plant cell walls is cellulose, which is the most abundant biomolecule on earth. Apart from cellulose, which is constructed from relatively simple β-1,4-glucan chains, plant cell walls also contain structurally more complex heteropolysaccharides (hemicellulose and pectin), as well as lignin and cell-wall proteins. A detailed understanding of the molecular structures, functions, and biosyntheses of cell-wall components is required to further promote their industrial use. Plant cell-wall research is, to a large degree, hampered by a lsack of available well-defined oligosaccharide samples that represent the structural features of cell-wall glycans. One technique to access these oligosaccharides is automated glycan assembly; a technique in which monosaccharide building blocks are, similarly to automated peptide and oligonucleotide chemistry, successively added to a linker-functionalized resin in a fully automated manner. Herein, recent research into the automated glycan assembly of different classes of cell-wall glycans used as molecular tools for cell-wall biology is discussed. More than 60 synthetic oligosaccharides were prepared and printed as microarrays for screening monoclonal antibodies that recognize plant cell-wall polysaccharides. The synthesized oligosaccharides have also been used to investigate glycosyltransferases and glycoside hydrolases, which are involved in synthesis and degradation of plant cell walls, as well as for the analysis of cell-wall-remodeling enzymes.
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Affiliation(s)
- Max P Bartetzko
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195, Berlin, Germany
| | - Fabian Pfrengle
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam, Germany.,Institute of Chemistry and Biochemistry, Freie Universität Berlin, Arnimallee 22, 14195, Berlin, Germany
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9
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Pardo-Vargas A, Delbianco M, Seeberger PH. Automated glycan assembly as an enabling technology. Curr Opin Chem Biol 2018; 46:48-55. [DOI: 10.1016/j.cbpa.2018.04.007] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 04/09/2018] [Accepted: 04/16/2018] [Indexed: 12/16/2022]
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10
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Lu G, Crihfield CL, Gattu S, Veltri LM, Holland LA. Capillary Electrophoresis Separations of Glycans. Chem Rev 2018; 118:7867-7885. [PMID: 29528644 PMCID: PMC6135675 DOI: 10.1021/acs.chemrev.7b00669] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Indexed: 01/04/2023]
Abstract
Capillary electrophoresis has emerged as a powerful approach for carbohydrate analyses since 2014. The method provides high resolution capable of separating carbohydrates by charge-to-size ratio. Principle applications are heavily focused on N-glycans, which are highly relevant to biological therapeutics and biomarker research. Advances in techniques used for N-glycan structural identification include migration time indexing and exoglycosidase and lectin profiling, as well as mass spectrometry. Capillary electrophoresis methods have been developed that are capable of separating glycans with the same monosaccharide sequence but different positional isomers, as well as determining whether monosaccharides composing a glycan are alpha or beta linked. Significant applications of capillary electrophoresis to the analyses of N-glycans in biomarker discovery and biological therapeutics are emphasized with a brief discussion included on carbohydrate analyses of glycosaminoglycans and mono-, di-, and oligosaccharides relevant to food and plant products. Innovative, emerging techniques in the field are highlighted and the future direction of the technology is projected based on the significant contributions of capillary electrophoresis to glycoscience from 2014 to the present as discussed in this review.
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Affiliation(s)
- Grace Lu
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Cassandra L. Crihfield
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Srikanth Gattu
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Lindsay M. Veltri
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Lisa A. Holland
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, United States
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11
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Senf D, Ruprecht C, Kishani S, Matic A, Toriz G, Gatenholm P, Wågberg L, Pfrengle F. Tailormade Polysaccharides with Defined Branching Patterns: Enzymatic Polymerization of Arabinoxylan Oligosaccharides. Angew Chem Int Ed Engl 2018; 57:11987-11992. [DOI: 10.1002/anie.201806871] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Deborah Senf
- Department of Biomolecular Systems; Max Planck Institute of Colloids and Interfaces; Am Mühlenberg 1 14476 Potsdam Germany
- Institute of Chemistry and Biochemistry; Freie Universität Berlin; Arnimallee 22 14195 Berlin Germany
| | - Colin Ruprecht
- Department of Biomolecular Systems; Max Planck Institute of Colloids and Interfaces; Am Mühlenberg 1 14476 Potsdam Germany
| | - Saina Kishani
- Fibre and Polymer Technology; Royal Institute of Technology; Stockholm 100 44 Sweden
- Wallenberg Wood Science Center; KTH Royal Institute of Technology; Stockholm 100 44 Sweden
| | - Aleksandar Matic
- Department of Biomolecular Systems; Max Planck Institute of Colloids and Interfaces; Am Mühlenberg 1 14476 Potsdam Germany
- Current address: University of Potsdam; Department of Chemistry; Karl-Liebknecht-Strasse 24-25 14476 Potsdam Germany
| | - Guillermo Toriz
- Wallenberg Wood Science Center and Biopolymer Technology; Department of Chemistry and Chemical Engineering; Chalmers University of Technology; Gothenburg 412 96 Sweden
| | - Paul Gatenholm
- Wallenberg Wood Science Center and Biopolymer Technology; Department of Chemistry and Chemical Engineering; Chalmers University of Technology; Gothenburg 412 96 Sweden
| | - Lars Wågberg
- Fibre and Polymer Technology; Royal Institute of Technology; Stockholm 100 44 Sweden
- Wallenberg Wood Science Center; KTH Royal Institute of Technology; Stockholm 100 44 Sweden
| | - Fabian Pfrengle
- Department of Biomolecular Systems; Max Planck Institute of Colloids and Interfaces; Am Mühlenberg 1 14476 Potsdam Germany
- Institute of Chemistry and Biochemistry; Freie Universität Berlin; Arnimallee 22 14195 Berlin Germany
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12
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Senf D, Ruprecht C, Kishani S, Matic A, Toriz G, Gatenholm P, Wågberg L, Pfrengle F. Tailormade Polysaccharides with Defined Branching Patterns: Enzymatic Polymerization of Arabinoxylan Oligosaccharides. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806871] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Deborah Senf
- Department of Biomolecular Systems; Max Planck Institute of Colloids and Interfaces; Am Mühlenberg 1 14476 Potsdam Germany
- Institute of Chemistry and Biochemistry; Freie Universität Berlin; Arnimallee 22 14195 Berlin Germany
| | - Colin Ruprecht
- Department of Biomolecular Systems; Max Planck Institute of Colloids and Interfaces; Am Mühlenberg 1 14476 Potsdam Germany
| | - Saina Kishani
- Fibre and Polymer Technology; Royal Institute of Technology; Stockholm 100 44 Sweden
- Wallenberg Wood Science Center; KTH Royal Institute of Technology; Stockholm 100 44 Sweden
| | - Aleksandar Matic
- Department of Biomolecular Systems; Max Planck Institute of Colloids and Interfaces; Am Mühlenberg 1 14476 Potsdam Germany
- Current address: University of Potsdam; Department of Chemistry; Karl-Liebknecht-Strasse 24-25 14476 Potsdam Germany
| | - Guillermo Toriz
- Wallenberg Wood Science Center and Biopolymer Technology; Department of Chemistry and Chemical Engineering; Chalmers University of Technology; Gothenburg 412 96 Sweden
| | - Paul Gatenholm
- Wallenberg Wood Science Center and Biopolymer Technology; Department of Chemistry and Chemical Engineering; Chalmers University of Technology; Gothenburg 412 96 Sweden
| | - Lars Wågberg
- Fibre and Polymer Technology; Royal Institute of Technology; Stockholm 100 44 Sweden
- Wallenberg Wood Science Center; KTH Royal Institute of Technology; Stockholm 100 44 Sweden
| | - Fabian Pfrengle
- Department of Biomolecular Systems; Max Planck Institute of Colloids and Interfaces; Am Mühlenberg 1 14476 Potsdam Germany
- Institute of Chemistry and Biochemistry; Freie Universität Berlin; Arnimallee 22 14195 Berlin Germany
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13
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Signaling through plant lectins: modulation of plant immunity and beyond. Biochem Soc Trans 2018; 46:217-233. [PMID: 29472368 DOI: 10.1042/bst20170371] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 01/10/2018] [Accepted: 01/13/2018] [Indexed: 12/12/2022]
Abstract
Lectins constitute an abundant group of proteins that are present throughout the plant kingdom. Only recently, genome-wide screenings have unraveled the multitude of different lectin sequences within one plant species. It appears that plants employ a plurality of lectins, though relatively few lectins have already been studied and functionally characterized. Therefore, it is very likely that the full potential of lectin genes in plants is underrated. This review summarizes the knowledge of plasma membrane-bound lectins in different biological processes (such as recognition of pathogen-derived molecules and symbiosis) and illustrates the significance of soluble intracellular lectins and how they can contribute to plant signaling. Altogether, the family of plant lectins is highly complex with an enormous diversity in biochemical properties and activities.
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