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Chen P, Ye T, Li C, Praveen P, Hu Z, Li W, Shang C. Embracing the era of antimicrobial peptides with marine organisms. Nat Prod Rep 2024; 41:331-346. [PMID: 37743806 DOI: 10.1039/d3np00031a] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Covering: 2018 to Jun of 2023The efficiency of traditional antibiotics has been undermined by the proliferation of antibiotic-resistant pathogenic microorganisms, necessitating the pursuit of innovative therapeutic agents. Antimicrobial peptides (AMPs), which are part of host defence peptides found ubiquitously in nature, exhibiting a wide range of activity towards bacteria, fungi, and viruses, offer a highly promising candidate solution. The efficacy of AMPs can frequently be augmented via alterations to their amino acid sequences or structural adjustments. Given the vast reservoir of marine life forms and their distinctive ecosystems, marine AMPs stand as a burgeoning focal point in the quest for alternative peptide templates extracted from natural sources. Advances in identification and characterization techniques have accelerated the discoveries of marine AMPs, thereby stimulating AMP customization, optimization, and synthesis research endeavours. This review presents an overview of recent discoveries related to the intriguing qualities of marine AMPs. Emphasis will be placed upon post-translational modifications (PTMs) of marine AMPs and how they may impact functionality and potency. Additionally, this review considers ways in which marine PTM might support larger-scale, heterologous AMP manufacturing initiatives, providing insights into translational applications of these important biomolecules.
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Affiliation(s)
- Pengyu Chen
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China.
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Ting Ye
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China.
| | - Chunyuan Li
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China.
| | - Praveen Praveen
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science La Trobe University, Victoria, 3086, Australia.
| | - Zhangli Hu
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China.
| | - Wenyi Li
- Department of Biochemistry and Chemistry, La Trobe Institute for Molecular Science La Trobe University, Victoria, 3086, Australia.
| | - Chenjing Shang
- Shenzhen Key Laboratory of Marine Bioresource and Eco-Environmental Science, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China.
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Soukarieh F, Mashabi A, Richardson W, Oton EV, Romero M, Dubern JF, Robertson SN, Lucanto S, Markham-Lee Z, Sou T, Kukavica-Ibrulj I, Levesque RC, Bergstrom CAS, Halliday N, Kellam B, Emsley J, Heeb S, Williams P, Stocks MJ, Cámara M. Design, Synthesis, and Evaluation of New 1 H-Benzo[ d]imidazole Based PqsR Inhibitors as Adjuvant Therapy for Pseudomonas aeruginosa Infections. J Med Chem 2024; 67:1008-1023. [PMID: 38170170 PMCID: PMC10823468 DOI: 10.1021/acs.jmedchem.3c00973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 11/30/2023] [Accepted: 12/12/2023] [Indexed: 01/05/2024]
Abstract
Pseudomonas aeruginosa is one of the top priority pathogens that requires immediate attention according to the World Health Organisation (WHO). Due to the alarming shortage of novel antimicrobials, targeting quorum sensing (QS), a bacterial cell to cell signaling system controlling virulence, has emerged as a promising approach as an antibiotic adjuvant therapy. Interference with the pqs system, one of three QS systems in P. aeruginosa, results in reduction of bacterial virulence gene expression and biofilm maturation. Herein, we report a hit to lead process to fine-tune the potency of our previously reported inhibitor 1 (IC50 3.2 μM in P. aeruginosa PAO1-L), which led to the discovery of 2-(4-(3-((6-chloro-1-isopropyl-1H-benzo[d]imidazol-2-yl)amino)-2-hydroxypropoxy)phenyl)acetonitrile (6f) as a potent PqsR antagonist. Compound 6f inhibited the PqsR-controlled PpqsA-lux transcriptional reporter fusion in P. aeruginosa at low submicromolar concentrations. Moreover, 6f showed improved efficacy against P. aeruginosa CF isolates with significant inhibition of pyocyanin, 2-alkyl-4(1H)-quinolones production.
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Affiliation(s)
- Fadi Soukarieh
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Alaa Mashabi
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - William Richardson
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Eduard Vico Oton
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Manuel Romero
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Jean-Frédéric Dubern
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Shaun N. Robertson
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Simone Lucanto
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Zoe Markham-Lee
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Tomás Sou
- Department
of Pharmacy, Uppsala University, Uppsala SE-751 23, Sweden
| | - Irena Kukavica-Ibrulj
- Institut
de Biologie Intégrative et des SystèmesUniversité Laval, Quebec G1V 0A6, Canada
| | - Roger C. Levesque
- Institut
de Biologie Intégrative et des SystèmesUniversité Laval, Quebec G1V 0A6, Canada
| | | | - Nigel Halliday
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Barrie Kellam
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Jonas Emsley
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Stephan Heeb
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Paul Williams
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Michael J. Stocks
- School
of Pharmacy, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
| | - Miguel Cámara
- School
of Life Sciences, University of Nottingham Biodiscovery Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
- The
National Biofilms Innovation Centre, University of Nottingham Biodiscovery
Institute, University of Nottingham, Nottingham NG7 2RD, U.K.
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Doelman W, van Kasteren SI. Synthesis of glycopeptides and glycopeptide conjugates. Org Biomol Chem 2022; 20:6487-6507. [PMID: 35903971 PMCID: PMC9400947 DOI: 10.1039/d2ob00829g] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Protein glycosylation is a key post-translational modification important to many facets of biology. Glycosylation can have critical effects on protein conformation, uptake and intracellular routing. In immunology, glycosylation of antigens has been shown to play a role in self/non-self distinction and the effective uptake of antigens. Improperly glycosylated proteins and peptide fragments, for instance those produced by cancerous cells, are also prime candidates for vaccine design. To study these processes, access to peptides bearing well-defined glycans is of critical importance. In this review, the key approaches towards synthetic, well-defined glycopeptides, are described, with a focus on peptides useful for and used in immunological studies. Special attention is given to the glycoconjugation approaches that have been developed in recent years, as these enable rapid synthesis of various (unnatural) glycopeptides, enabling powerful carbohydrate structure/activity studies. These techniques, combined with more traditional total synthesis and chemoenzymatic methods for the production of glycopeptides, should help unravel some of the complexities of glycobiology in the near future.
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Affiliation(s)
- Ward Doelman
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands.
| | - Sander I van Kasteren
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands.
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