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Ho TNT, Pham SH, Nguyen LTT, Nguyen HT, Nguyen LT, Dang TT. Insights into the synthesis strategies of plant-derived cyclotides. Amino Acids 2023:10.1007/s00726-023-03271-8. [PMID: 37142771 DOI: 10.1007/s00726-023-03271-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 04/18/2023] [Indexed: 05/06/2023]
Abstract
Cyclotides are plant peptides characterized with a head-to-tail cyclized backbone and three interlocking disulfide bonds, known as a cyclic cysteine knot. Despite the variations in cyclotides peptide sequences, this core structure is conserved, underlying their most useful feature: stability against thermal and chemical breakdown. Cyclotides are the only natural peptides known to date that are orally bioavailable and able to cross cell membranes. Cyclotides also display bioactivities that have been exploited and expanded to develop as potential therapeutic reagents for a wide range of conditions (e.g., HIV, inflammatory conditions, multiple sclerosis, etc.). As such, in vitro production of cyclotides is of the utmost importance since it could assist further research on this peptide class, specifically the structure-activity relationship and its mechanism of action. The information obtained could be utilized to assist drug development and optimization. Here, we discuss several strategies for the synthesis of cyclotides using both chemical and biological routes.
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Affiliation(s)
- Thao N T Ho
- Institute of Applied Materials Science, Vietnam Academy of Science and Technology, 1B TL29, District 12, Ho Chi Minh City, Viet Nam
| | - Son H Pham
- Institute of Applied Materials Science, Vietnam Academy of Science and Technology, 1B TL29, District 12, Ho Chi Minh City, Viet Nam
| | - Linh T T Nguyen
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, Ho Chi Minh City, Viet Nam
| | - Ha T Nguyen
- National Key Laboratory of Polymer and Composite Materials, Department of Energy Materials, Faculty of Materials Technology, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Viet Nam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Viet Nam
| | - Luan T Nguyen
- National Key Laboratory of Polymer and Composite Materials, Department of Energy Materials, Faculty of Materials Technology, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Viet Nam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Viet Nam
| | - Tien T Dang
- Institute of Applied Materials Science, Vietnam Academy of Science and Technology, 1B TL29, District 12, Ho Chi Minh City, Viet Nam.
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Abstract
This Review explores the class of plant-derived macrocyclic peptides called cyclotides. We include an account of their discovery, characterization, and distribution in the plant kingdom as well as a detailed analysis of their sequences and structures, biosynthesis and chemical synthesis, biological functions, and applications. These macrocyclic peptides are around 30 amino acids in size and are characterized by their head-to-tail cyclic backbone and cystine knot motif, which render them to be exceptionally stable, with resistance to thermal or enzymatic degradation. Routes to their chemical synthesis have been developed over the past two decades, and this capability has facilitated a wide range of mutagenesis and structure-activity relationship studies. In turn, these studies have both led to an increased understanding of their mechanisms of action as well as facilitated a range of applications in agriculture and medicine, as ecofriendly crop protection agents, and as drug leads or scaffolds for pharmaceutical design. Our overall objective in this Review is to provide readers with a comprehensive overview of cyclotides that we hope will stimulate further work on this fascinating family of peptides.
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Affiliation(s)
- Simon J de Veer
- Institute for Molecular Bioscience , The University of Queensland , Brisbane , Queensland 4072 , Australia
| | - Meng-Wei Kan
- Institute for Molecular Bioscience , The University of Queensland , Brisbane , Queensland 4072 , Australia
| | - David J Craik
- Institute for Molecular Bioscience , The University of Queensland , Brisbane , Queensland 4072 , Australia
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3
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Ojeda PG, Cardoso MH, Franco OL. Pharmaceutical applications of cyclotides. Drug Discov Today 2019; 24:2152-2161. [PMID: 31541712 DOI: 10.1016/j.drudis.2019.09.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/05/2019] [Accepted: 09/12/2019] [Indexed: 02/06/2023]
Abstract
Cyclotides are cyclic peptides, present in several plant families, that show diverse biological properties. Structurally, cyclotides share a distinctive head-to-tail circular knotted topology of three disulfide bonds. This framework provides cyclotides with extraordinary resistance to thermal and chemical denaturation. There is increasing interest in the therapeutic potential of cyclotides, which combine several promising pharmaceutical properties, including binding affinity, target selectivity, and low toxicity towards healthy mammalian cells. Recently, cyclotides have been reported to be orally bioavailable and have proved to be amenable to modifications. Here, we provide an overview of the structure, properties, and pharmaceutical applications of cyclotides.
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Affiliation(s)
- Paola G Ojeda
- Escuela de Química y Farmacia, Facultad de Medicina, Universidad Católica del Maule, Av. San Miguel 3605, Talca 3480112, Chile
| | - Marlon H Cardoso
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil; 3S-Inova Biotech, Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil
| | - Octávio L Franco
- Programa de Pós-Graduação em Ciências Genômicas e Biotecnologia, Centro de Análises Proteômicas e Bioquímicas, Universidade Católica de Brasília, Brasília, Brazil; 3S-Inova Biotech, Programa de Pós-Graduação em Biotecnologia, Universidade Católica Dom Bosco, Campo Grande, Brazil.
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Clark GC, Casewell NR, Elliott CT, Harvey AL, Jamieson AG, Strong PN, Turner AD. Friends or Foes? Emerging Impacts of Biological Toxins. Trends Biochem Sci 2019; 44:365-379. [PMID: 30651181 DOI: 10.1016/j.tibs.2018.12.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 11/21/2018] [Accepted: 12/07/2018] [Indexed: 12/19/2022]
Abstract
Toxins are substances produced from biological sources (e.g., animal, plants, microorganisms) that have deleterious effects on a living organism. Despite the obvious health concerns of being exposed to toxins, they are having substantial positive impacts in a number of industrial sectors. Several toxin-derived products are approved for clinical, veterinary, or agrochemical uses. This review sets out the case for toxins as 'friends' that are providing the basis of novel medicines, insecticides, and even nucleic acid sequencing technologies. We also discuss emerging toxins ('foes') that are becoming increasingly prevalent in a range of contexts through climate change and the globalisation of food supply chains and that ultimately pose a risk to health.
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Affiliation(s)
- Graeme C Clark
- CBR Division, Defence Science & Technology Laboratory, DSTL - Porton Down, Salisbury, Wiltshire, SP4 0JQ, UK.
| | - Nicholas R Casewell
- Centre for Snakebite Research & Interventions, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK
| | - Christopher T Elliott
- Institute for Global Food Security, School of Biological Sciences, Queen's University, Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Alan L Harvey
- Strathclyde Institute of Pharmacy & Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow, G4 0RE, UK
| | - Andrew G Jamieson
- School of Chemistry, Joseph Black Building, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Peter N Strong
- Biomolecular Research Centre, Department of Biosciences and Chemistry, Sheffield Hallam University, Sheffield, S1 1WB, UK
| | - Andrew D Turner
- Food Safety Group, Cefas, Barrack Road, The Nothe, Weymouth, Dorset DT4 8UB, UK
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5
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Li Y, Aboye T, Breindel L, Shekhtman A, Camarero JA. Efficient recombinant expression of SFTI-1 in bacterial cells using intein-mediated protein trans-splicing. Biopolymers 2017; 106:818-824. [PMID: 27178003 DOI: 10.1002/bip.22875] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Revised: 04/07/2016] [Accepted: 05/04/2016] [Indexed: 01/22/2023]
Abstract
We report for the first time the recombinant expression of bioactive wild-type sunflower trypsin inhibitor 1 (SFTI-1) inside E. coli cells by making use of intracellular protein trans-splicing in combination with a high efficient split-intein. SFTI-1 is a small backbone-cyclized polypeptide with a single disulfide bridge and potent trypsin inhibitory activity. Recombinantly produced SFTI-1 was fully characterized by NMR and was observed to actively inhibit trypsin. The in-cell expression of SFTI-1 was very efficient reaching intracellular concentration ≈ 40 µM. This study clearly demonstrates the possibility of generating genetically encoded SFTI-based peptide libraries in live E. coli cells, and is a critical first step for developing in-cell screening and directed evolution technologies using the cyclic peptide SFTI-1 as a molecular scaffold. © 2016 Wiley Periodicals, Inc. Biopolymers (Pept Sci) 106: 818-824, 2016.
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Affiliation(s)
- Yilong Li
- Department of Pharmacology and Pharmaceutical Sciences, University of Southern California, Los Angeles, CA, 90089-9121
| | - Teshome Aboye
- Department of Pharmacology and Pharmaceutical Sciences, University of Southern California, Los Angeles, CA, 90089-9121
| | - Leonard Breindel
- Department of Chemistry, State University of New York, Albany, NY, 12222
| | | | - Julio A Camarero
- Department of Pharmacology and Pharmaceutical Sciences, University of Southern California, Los Angeles, CA, 90089-9121.,Department of Chemistry, University of Southern California, Los Angeles, CA, 90089-9121
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6
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Franke B, Jayasena AS, Fisher MF, Swedberg JE, Taylor NL, Mylne JS, Rosengren KJ. Diverse cyclic seed peptides in the Mexican zinnia (Zinnia haageana). Biopolymers 2017; 106:806-817. [PMID: 27352920 DOI: 10.1002/bip.22901] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 05/19/2016] [Accepted: 06/25/2016] [Indexed: 12/18/2022]
Abstract
A new family of small plant peptides was recently described and found to be widespread throughout the Millereae and Heliantheae tribes of the sunflower family Asteraceae. These peptides originate from the post-translational processing of unusual seed-storage albumin genes, and have been termed PawS-derived peptides (PDPs). The prototypic family member is a 14-residue cyclic peptide with potent trypsin inhibitory activity named SunFlower Trypsin Inhibitor (SFTI-1). In this study we present the features of three new PDPs discovered in the seeds of the sunflower species Zinnia haageana by a combination of de novo transcriptomics and liquid chromatography-mass spectrometry. Two-dimensional solution NMR spectroscopy was used to elucidate their structural characteristics. All three Z. haageana peptides have well-defined folds with a head-to-tail cyclized peptide backbone and a single disulfide bond. Although two possess an anti-parallel β-sheet structure, like SFTI-1, the Z. haageana peptide PDP-21 has a more irregular backbone structure. Despite structural similarities with SFTI-1, PDP-20 was not able to inhibit trypsin, thus the functional roles of these peptides is yet to be discovered. Defining the structural features of the small cyclic peptides found in the sunflower family will be useful for guiding the exploitation of these peptides as scaffolds for grafting and protein engineering applications.
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Affiliation(s)
- Bastian Franke
- School of Biomedical Sciences, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Achala S Jayasena
- School of Chemistry and Biochemistry & ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, Crawley, WA, 6009, Australia
| | - Mark F Fisher
- School of Chemistry and Biochemistry & ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, Crawley, WA, 6009, Australia
| | - Joakim E Swedberg
- The University of Queensland, Institute for Molecular Bioscience, St, Lucia, QLD, 4072, Australia
| | - Nicolas L Taylor
- School of Chemistry and Biochemistry & ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, Crawley, WA, 6009, Australia
| | - Joshua S Mylne
- School of Chemistry and Biochemistry & ARC Centre of Excellence in Plant Energy Biology, The University of Western Australia, Crawley, WA, 6009, Australia
| | - K Johan Rosengren
- School of Biomedical Sciences, The University of Queensland, St Lucia, QLD, 4072, Australia
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7
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Inhibition of tau aggregation using a naturally-occurring cyclic peptide scaffold. Eur J Med Chem 2016; 109:342-9. [DOI: 10.1016/j.ejmech.2016.01.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/06/2016] [Accepted: 01/07/2016] [Indexed: 11/24/2022]
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8
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Blanco-Canosa JB, Nardone B, Albericio F, Dawson PE. Chemical Protein Synthesis Using a Second-Generation N-Acylurea Linker for the Preparation of Peptide-Thioester Precursors. J Am Chem Soc 2015; 137:7197-209. [DOI: 10.1021/jacs.5b03504] [Citation(s) in RCA: 147] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
| | - Brunello Nardone
- Departments
of Chemistry and Biology, University of Salerno, Via Giovanni
Paolo II 132, Fisciano 84084, Italy
| | - Fernando Albericio
- Department
of Organic Chemistry, University of Barcelona, Martí i Franqués 1-11, Barcelona 08028, Spain
| | - Philip E. Dawson
- Department
of Chemistry, The Scripps Research Institute (TSRI), 10550 N. Torrey
Pines Road, La Jolla, California 92037, United States
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