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Dini S, Oz F, Bekhit AEDA, Carne A, Agyei D. Production, characterization, and potential applications of lipopeptides in food systems: A comprehensive review. Compr Rev Food Sci Food Saf 2024; 23:e13394. [PMID: 38925624 DOI: 10.1111/1541-4337.13394] [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: 11/14/2023] [Revised: 05/20/2024] [Accepted: 05/27/2024] [Indexed: 06/28/2024]
Abstract
Lipopeptides are a class of lipid-peptide-conjugated compounds with differing structural features. This structural diversity is responsible for their diverse range of biological properties, including antimicrobial, antioxidant, and anti-inflammatory activities. Lipopeptides have been attracting the attention of food scientists due to their potential as food additives and preservatives. This review provides a comprehensive overview of lipopeptides, their production, structural characteristics, and functional properties. First, the classes, chemical features, structure-activity relationships, and sources of lipopeptides are summarized. Then, the gene expression and biosynthesis of lipopeptides in microbial cell factories and strategies to optimize lipopeptide production are discussed. In addition, the main methods of purification and characterization of lipopeptides have been described. Finally, some biological activities of the lipopeptides, especially those relevant to food systems along with their mechanism of action, are critically examined.
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Affiliation(s)
- Salome Dini
- Department of Food Science, University of Otago, Dunedin, New Zealand
| | - Fatih Oz
- Department of Food Engineering, Agriculture Faculty, Atatürk University, Erzurum, Turkey
| | | | - Alan Carne
- Department of Biochemistry, University of Otago, Dunedin, New Zealand
| | - Dominic Agyei
- Department of Food Science, University of Otago, Dunedin, New Zealand
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2
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Fan W, Hu L, Yang Y, Liu P, Feng Y, Gu RX, Liu Q. Engineering of the start condensation domain with improved N-decanoyl catalytic activity for daptomycin biosynthesis. Biotechnol J 2024; 19:e2400202. [PMID: 38896411 DOI: 10.1002/biot.202400202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/19/2024] [Accepted: 05/23/2024] [Indexed: 06/21/2024]
Abstract
Daptomycin, a lipopeptide comprising an N-decanoyl fatty acyl chain and a peptide core, is used clinically as an antimicrobial agent. The start condensation domain (dptC1) is an enzyme that catalyzes the lipoinitiation step of the daptomycin synthesis. In this study, we integrated enzymology, protein engineering, and computer simulation to study the substrate selectivity of the start condensation domain (dptC1) and to screen mutants with improved activity for decanoyl loading. Through molecular docking and computer simulation, the fatty acyl substrate channel and the protein-protein interaction interface of dptC1 are analyzed. Key residues at the protein-protein interface between dptC1 and the acyl carrier were mutated, and a single-point mutant showed more than three-folds improved catalytic efficiency of the target n-decanoyl substrate in comparing with the wild type. Moreover, molecular dynamics simulations suggested that mutants with increased catalytic activity may correlated with a more "open" and contracted substrate binding channel. Our work provides a new perspective for the elucidation of lipopeptide natural products biosynthesis, and also provides new resources to enrich its diversity and optimize the production of important components.
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Affiliation(s)
- Wenjie Fan
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Lyubin Hu
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Yu Yang
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Panpan Liu
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Yan Feng
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Ruo-Xu Gu
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Qian Liu
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
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3
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Veras FF, Stincone P, Welke JE, Ritter AC, Siqueira FM, Varela APM, Mayer FQ, Brandelli A. Genome analysis of Pseudomonas strain 4B with broad antagonistic activity against toxigenic fungi. Braz J Microbiol 2024; 55:269-280. [PMID: 38228937 PMCID: PMC10920548 DOI: 10.1007/s42770-024-01253-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 01/04/2024] [Indexed: 01/18/2024] Open
Abstract
Pseudomonas sp. 4B isolated from the effluent pond of a bovine abattoir was investigated as antifungal against toxigenic fungi. The complete genome of Pseudomonas 4B was sequenced using the Illumina MiSeq platform. Phylogenetic analysis and genome comparisons indicated that the strain belongs to the Pseudomonas aeruginosa group. In silico investigation revealed gene clusters associated with the biosynthesis of several antifungals, including pyocyanin, rhizomide, thanamycin, and pyochelin. This bacterium was investigated through antifungal assays, showing an inhibitory effect against all toxigenic fungi tested. Bacterial cells reduced the diameter of fungal colonies, colony growth rate, and sporulation of each indicator fungi in 10-day simultaneous growing tests. The co-incubation of bacterial suspension and fungal spores in yeast extract-sucrose broth for 48 h resulted in reduced spore germination. During simultaneous growth, decreased production of aflatoxin B1 and ochratoxin A by Aspergillus flavus and Aspergillus carbonarius, respectively, was observed. Genome analysis and in vitro studies showed the ability of P. aeruginosa 4B to reduce fungal growth parameters and mycotoxin levels, indicating the potential of this bacterium to control toxigenic fungi. The broad antifungal activity of this strain may represent a sustainable alternative for the exploration and subsequent use of its possible metabolites in order to control mycotoxin-producing fungi.
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Affiliation(s)
- Flávio Fonseca Veras
- Departamento de Ciência de Alimentos, Instituto de Ciência E Tecnologia de Alimentos, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Paolo Stincone
- Departamento de Ciência de Alimentos, Instituto de Ciência E Tecnologia de Alimentos, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Juliane Elisa Welke
- Departamento de Ciência de Alimentos, Instituto de Ciência E Tecnologia de Alimentos, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Ana Carolina Ritter
- Departamento de Ciência de Alimentos, Instituto de Ciência E Tecnologia de Alimentos, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Franciele Maboni Siqueira
- Laboratório de Bacteriologia Veterinária, Departamento de Patologia Clínica Veterinária, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | | | - Fabiana Quoos Mayer
- Departamento de Biologia Molecular E Biotecnologia, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Adriano Brandelli
- Departamento de Ciência de Alimentos, Instituto de Ciência E Tecnologia de Alimentos, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, Brazil.
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4
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Lyng M, Kovács ÁT. Frenemies of the soil: Bacillus and Pseudomonas interspecies interactions. Trends Microbiol 2023:S0966-842X(23)00050-1. [PMID: 36878770 DOI: 10.1016/j.tim.2023.02.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/10/2023] [Accepted: 02/13/2023] [Indexed: 03/07/2023]
Abstract
Bacillus and Pseudomonas ubiquitously occur in natural environments and are two of the most intensively studied bacterial genera in the soil. They are often coisolated from environmental samples, and as a result, several studies have experimentally cocultured bacilli and pseudomonads to obtain emergent properties. Even so, the general interaction between members of these genera is virtually unknown. In the past decade, data on interspecies interactions between natural isolates of Bacillus and Pseudomonas has become more detailed, and now, molecular studies permit mapping of the mechanisms behind their pairwise ecology. This review addresses the current knowledge about microbe-microbe interactions between strains of Bacillus and Pseudomonas and discusses how we can attempt to generalize the interaction on a taxonomic and molecular level.
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Affiliation(s)
- Mark Lyng
- Bacterial Interactions and Evolution group, DTU Bioengineering, Technical University of Denmark, Kgs Lyngby 2800, Denmark
| | - Ákos T Kovács
- Bacterial Interactions and Evolution group, DTU Bioengineering, Technical University of Denmark, Kgs Lyngby 2800, Denmark; Institute of Biology, Leiden University, Leiden, The Netherlands.
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5
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Oni FE, Esmaeel Q, Onyeka JT, Adeleke R, Jacquard C, Clement C, Gross H, Ait Barka E, Höfte M. Pseudomonas Lipopeptide-Mediated Biocontrol: Chemotaxonomy and Biological Activity. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27020372. [PMID: 35056688 PMCID: PMC8777863 DOI: 10.3390/molecules27020372] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/29/2021] [Accepted: 01/05/2022] [Indexed: 12/14/2022]
Abstract
Pseudomonas lipopeptides (Ps-LPs) play crucial roles in bacterial physiology, host–microbe interactions and plant disease control. Beneficial LP producers have mainly been isolated from the rhizosphere, phyllosphere and from bulk soils. Despite their wide geographic distribution and host range, emerging evidence suggests that LP-producing pseudomonads and their corresponding molecules display tight specificity and follow a phylogenetic distribution. About a decade ago, biocontrol LPs were mainly reported from the P. fluorescens group, but this has drastically advanced due to increased LP diversity research. On the one hand, the presence of a close-knit relationship between Pseudomonas taxonomy and the molecule produced may provide a startup toolbox for the delineation of unknown LPs into existing (or novel) LP groups. Furthermore, a taxonomy–molecule match may facilitate decisions regarding antimicrobial activity profiling and subsequent agricultural relevance of such LPs. In this review, we highlight and discuss the production of beneficial Ps-LPs by strains situated within unique taxonomic groups and the lineage-specificity and coevolution of this relationship. We also chronicle the antimicrobial activity demonstrated by these biomolecules in limited plant systems compared with multiple in vitro assays. Our review further stresses the need to systematically elucidate the roles of diverse Ps-LP groups in direct plant–pathogen interactions and in the enhancement of plant innate immunity.
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Affiliation(s)
- Feyisara Eyiwumi Oni
- Université de Reims Champagne Ardenne, Unité de Recherche RIBP EA4707 USC INRAE 1488, SFR Condorcet FR CNRS 3417, 51100 Reims, France; (Q.E.); (C.J.); (C.C.); (E.A.B.)
- Department of Biological Sciences, Faculty of Science, Anchor University, Ayobo P.M.B 00001, Lagos State, Nigeria
- Unit for Environmental Sciences and Management, Faculty of Natural and Agricultural Sciences, North-West University, Potchefstroom 2520, South Africa;
- Correspondence:
| | - Qassim Esmaeel
- Université de Reims Champagne Ardenne, Unité de Recherche RIBP EA4707 USC INRAE 1488, SFR Condorcet FR CNRS 3417, 51100 Reims, France; (Q.E.); (C.J.); (C.C.); (E.A.B.)
| | - Joseph Tobias Onyeka
- Plant Pathology Unit, National Root Crops Research Institute (NRCRI), Umudike 440001, Abia State, Nigeria;
| | - Rasheed Adeleke
- Unit for Environmental Sciences and Management, Faculty of Natural and Agricultural Sciences, North-West University, Potchefstroom 2520, South Africa;
| | - Cedric Jacquard
- Université de Reims Champagne Ardenne, Unité de Recherche RIBP EA4707 USC INRAE 1488, SFR Condorcet FR CNRS 3417, 51100 Reims, France; (Q.E.); (C.J.); (C.C.); (E.A.B.)
| | - Christophe Clement
- Université de Reims Champagne Ardenne, Unité de Recherche RIBP EA4707 USC INRAE 1488, SFR Condorcet FR CNRS 3417, 51100 Reims, France; (Q.E.); (C.J.); (C.C.); (E.A.B.)
| | - Harald Gross
- Department of Pharmaceutical Biology, Institute of Pharmaceutical Sciences, University of Tubingen, Auf der Morgenstelle 8, 72076 Tübingen, Germany;
| | - Essaid Ait Barka
- Université de Reims Champagne Ardenne, Unité de Recherche RIBP EA4707 USC INRAE 1488, SFR Condorcet FR CNRS 3417, 51100 Reims, France; (Q.E.); (C.J.); (C.C.); (E.A.B.)
| | - Monica Höfte
- Laboratory of Phytopathology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium;
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6
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Kirchner N, Cano-Prieto C, Schulz-Fincke AC, Gütschow M, Ortlieb N, Moschny J, Niedermeyer THJ, Horak J, Lämmerhofer M, van der Voort M, Raaijmakers JM, Gross H. Discovery of Thanafactin A, a Linear, Proline-Containing Octalipopeptide from Pseudomonas sp. SH-C52, Motivated by Genome Mining. JOURNAL OF NATURAL PRODUCTS 2021; 84:101-109. [PMID: 33382250 DOI: 10.1021/acs.jnatprod.0c01174] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Genome mining of the bacterial strains Pseudomonas sp. SH-C52 and Pseudomonas fluorescens DSM 11579 showed that both strains contained a highly similar gene cluster encoding an octamodular nonribosomal peptide synthetase (NRPS) system which was not associated with a known secondary metabolite. Insertional mutagenesis of an NRPS component followed by comparative profiling led to the discovery of the corresponding novel linear octalipopeptide thanafactin A, which was subsequently isolated and its structure determined by two-dimensional NMR and further spectroscopic and chromatographic methods. In bioassays, thanafactin A exhibited weak protease inhibitory activity and was found to modulate swarming motility in a strain-specific manner.
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Affiliation(s)
- Norbert Kirchner
- Pharmaceutical Institute, Department of Pharmaceutical Biology, University of Tübingen, 72076 Tübingen, Germany
| | - Carolina Cano-Prieto
- Pharmaceutical Institute, Department of Pharmaceutical Biology, University of Tübingen, 72076 Tübingen, Germany
| | | | - Michael Gütschow
- Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry, University of Bonn, 53121 Bonn, Germany
| | - Nico Ortlieb
- Department of Microbiology and Biotechnology, Interfaculty Institute of Microbiology and Infection Medicine, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
- German Centre for Infection Research (DZIF), Partner Site Tübingen, 72076 Tübingen, Germany
| | - Julia Moschny
- Department of Microbiology and Biotechnology, Interfaculty Institute of Microbiology and Infection Medicine, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Timo H J Niedermeyer
- Department of Microbiology and Biotechnology, Interfaculty Institute of Microbiology and Infection Medicine, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
- German Centre for Infection Research (DZIF), Partner Site Tübingen, 72076 Tübingen, Germany
| | - Jeannie Horak
- Pharmaceutical Institute, Department of Pharmaceutical Analysis and Bioanalysis, University of Tübingen, 72076 Tübingen, Germany
- Dr. von Hauner Children's Hospital, Department of Metabolic and Nutritional Medicine, University of Munich Medical Center, Campus Innenstadt, 80337 Muenchen, Germany
| | - Michael Lämmerhofer
- Pharmaceutical Institute, Department of Pharmaceutical Analysis and Bioanalysis, University of Tübingen, 72076 Tübingen, Germany
| | - Menno van der Voort
- Laboratory of Phytopathology, Wageningen University, Wageningen, Netherlands
| | - Jos M Raaijmakers
- Department of Microbial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, The Netherlands
- Institute of Biology, Leiden University, Leiden, The Netherlands
| | - Harald Gross
- Pharmaceutical Institute, Department of Pharmaceutical Biology, University of Tübingen, 72076 Tübingen, Germany
- German Centre for Infection Research (DZIF), Partner Site Tübingen, 72076 Tübingen, Germany
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7
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Girard L, Höfte M, De Mot R. Lipopeptide families at the interface between pathogenic and beneficial Pseudomonas-plant interactions. Crit Rev Microbiol 2020; 46:397-419. [PMID: 32885723 DOI: 10.1080/1040841x.2020.1794790] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Lipopeptides (LPs) are a prominent class of molecules among the steadily growing spectrum of specialized metabolites retrieved from Pseudomonas, in particular soil-dwelling and plant-associated isolates. Among the multiple LP families, pioneering research focussed on phytotoxic and antimicrobial cyclic lipopeptides (CLPs) of the ubiquitous plant pathogen Pseudomonas syringae (syringomycin and syringopeptin). Their non-ribosomal peptide synthetases (NRPSs) are embedded in biosynthetic gene clusters (BGCs) that are tightly co-clustered on a pathogenicity island. Other members of the P. syringae group (Pseudomonas cichorii) and some species of the Pseudomonas asplenii group and Pseudomonas fluorescens complex have adopted these biosynthetic strategies to co-produce their own mycin and peptin variants, in some strains supplemented with an analogue of the P. syringae linear LP (LLP), syringafactin. This capacity is not confined to phytopathogens but also occurs in some biocontrol strains, which indicates that these LP families not solely function as general virulence factors. We address this issue by scrutinizing the structural diversity and bioactivities of LPs from the mycin, peptin, and factin families in a phylogenetic and evolutionary perspective. BGC functional organization (including associated regulatory and transport genes) and NRPS modular architectures in known and candidate LP producers were assessed by genome mining.
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Affiliation(s)
- Léa Girard
- Centre of Microbial and Plant Genetics, Faculty of Bioscience Engineering, KU Leuven, Heverlee-Leuven, Belgium
| | - Monica Höfte
- Department of Plants and Crops, Laboratory of Phytopathology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - René De Mot
- Centre of Microbial and Plant Genetics, Faculty of Bioscience Engineering, KU Leuven, Heverlee-Leuven, Belgium
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8
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De Vleeschouwer M, Van Kersavond T, Verleysen Y, Sinnaeve D, Coenye T, Martins JC, Madder A. Identification of the Molecular Determinants Involved in Antimicrobial Activity of Pseudodesmin A, a Cyclic Lipopeptide From the Viscosin Group. Front Microbiol 2020; 11:646. [PMID: 32373092 PMCID: PMC7187754 DOI: 10.3389/fmicb.2020.00646] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 03/20/2020] [Indexed: 12/24/2022] Open
Abstract
Cyclic lipo(depsi)peptides (CLiPs) from Pseudomonas constitute a class of natural products involved in a broad range of biological functions for their producers. They also display interesting antimicrobial potential including activity against Gram-positive bacteria. Literature has indicated that these compounds can induce membrane permeabilization, possibly through pore-formation, leading to the general view that the cellular membrane constitutes the primary target in their mode of action. In support of this view, we previously demonstrated that the enantiomer of pseudodesmin A, a member of the viscosin group of CLiPs, shows identical activity against a test panel of six Gram-positive bacterial strains. Here, a previously developed total organic synthesis route is used and partly adapted to generate 20 novel pseudodesmin A analogs in an effort to derive links between molecular constitution, structure and activity. From these, the importance of a macrocycle closed by an ester bond as well as a critical length of β-OH fatty acid chain capping the N-terminus is conclusively demonstrated, providing further evidence for the importance of peptide-membrane interactions in the mode of action. Moreover, an alanine scan is used to unearth the contribution of specific amino acid residues to biological activity. Subsequent interpretation in terms of a structural model describing the location and orientation of pseudodesmin A in a membrane environment, allows first insight in the peptide-membrane interactions involved. The biological screening also identified residue positions that appear less sensitive to conservative modifications, allowing the introduction of a non-perturbing tryptophan residue which will pave the way toward biophysical studies using fluorescence spectroscopy.
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Affiliation(s)
- Matthias De Vleeschouwer
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium.,NMR and Structure Analysis Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Tim Van Kersavond
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium.,NMR and Structure Analysis Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Yentl Verleysen
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium.,NMR and Structure Analysis Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Davy Sinnaeve
- NMR and Structure Analysis Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Tom Coenye
- Laboratory of Pharmaceutical Microbiology, Department of Pharmaceutical Analysis, Ghent University, Ghent, Belgium
| | - José C Martins
- NMR and Structure Analysis Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - Annemieke Madder
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
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Götze S, Stallforth P. Structure, properties, and biological functions of nonribosomal lipopeptides from pseudomonads. Nat Prod Rep 2020; 37:29-54. [DOI: 10.1039/c9np00022d] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Bacteria of the genusPseudomonasdisplay a fascinating metabolic diversity. In this review, we focus our attention on the natural product class of nonribosomal lipopeptides, which help pseudomonads to colonize a wide range of ecological niches.
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Affiliation(s)
- Sebastian Götze
- Faculty 7: Natural and Environmental Sciences
- Institute for Environmental Sciences
- University Koblenz Landau
- 76829 Landau
- Germany
| | - Pierre Stallforth
- Junior Research Group Chemistry of Microbial Communication
- Leibniz Institute for Natural Product Research and Infection Biology Hans Knöll Institute (HKI)
- 07745 Jena
- Germany
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10
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Záborský O, Petrovičová Ľ, Doháňošová J, Moncol J, Fischer R. Simple and efficient synthesis of bicyclic enol-carbamates: access to brabantamides and their analogues. RSC Adv 2020; 10:6790-6793. [PMID: 35493865 PMCID: PMC9049743 DOI: 10.1039/d0ra00796j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 01/28/2020] [Indexed: 11/21/2022] Open
Abstract
A simple and short synthesis of bicyclic enol-carbamates with high E/Z selectivity and the synthesis of brabantamide A analogue are presented.
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Affiliation(s)
- Ondrej Záborský
- Institute of Organic Chemistry
- Catalysis and Petrochemistry
- Slovak University of Technology in Bratislava
- Bratislava
- Slovak Republic
| | - Ľudmila Petrovičová
- Institute of Organic Chemistry
- Catalysis and Petrochemistry
- Slovak University of Technology in Bratislava
- Bratislava
- Slovak Republic
| | - Jana Doháňošová
- Central Laboratories
- Slovak University of Technology in Bratislava
- Bratislava
- Slovak Republic
| | - Ján Moncol
- Institute of Inorganic Chemistry, Technology and Materials
- Slovak University of Technology in Bratislava
- Bratislava
- Slovak Republic
| | - Róbert Fischer
- Institute of Organic Chemistry
- Catalysis and Petrochemistry
- Slovak University of Technology in Bratislava
- Bratislava
- Slovak Republic
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11
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Osdaghi E, Martins SJ, Ramos-Sepulveda L, Vieira FR, Pecchia JA, Beyer DM, Bell TH, Yang Y, Hockett KL, Bull CT. 100 Years Since Tolaas: Bacterial Blotch of Mushrooms in the 21 st Century. PLANT DISEASE 2019; 103:2714-2732. [PMID: 31560599 DOI: 10.1094/pdis-03-19-0589-fe] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Among the biotic constraints of common mushroom (Agaricus bisporus) production, bacterial blotch is considered the most important mushroom disease in terms of global prevalence and economic impact. Etiology and management of bacterial blotch has been a major concern since its original description in 1915. Although Pseudomonas tolaasii is thought to be the main causal agent, various Pseudomonas species, as well as organisms from other genera have been reported to cause blotch symptoms on mushroom caps. In this review, we provide an updated overview on the etiology, epidemiology, and management strategies of bacterial blotch disease. First, diversity of the causal agent(s) and utility of high throughput sequencing-based approaches in the precise characterization and identification of blotch pathogen(s) is explained. Further, due to the limited options for use of conventional pesticides in mushroom farms against blotch pathogen(s), we highlight the role of balanced threshold of relative humidity and temperature in mushroom farms to combat the disease in organic and conventional production. Additionally, we discuss the possibility of the use of biological control agents (either antagonistic mushroom-associated bacterial strains or bacteriophages) for blotch management as one of the sustainable approaches for 21st century agriculture. Finally, we aim to elucidate the association of mushroom microbiome in cap development and productivity on one hand, and blotch incidence/outbreaks on the other hand.
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Affiliation(s)
- Ebrahim Osdaghi
- Department of Plant Protection, College of Agriculture, Shiraz University, Shiraz 71441-65186, Iran
| | - Samuel J Martins
- Plant Pathology & Environmental Microbiology Department, The Pennsylvania State University, University Park, PA 16802, U.S.A
| | - Laura Ramos-Sepulveda
- Department of Biology, Millersville University of Pennsylvania, Millersville, PA 17551, U.S.A
| | - Fabrício Rocha Vieira
- Plant Pathology & Environmental Microbiology Department, The Pennsylvania State University, University Park, PA 16802, U.S.A
| | - John A Pecchia
- Plant Pathology & Environmental Microbiology Department, The Pennsylvania State University, University Park, PA 16802, U.S.A
| | - David Meigs Beyer
- Plant Pathology & Environmental Microbiology Department, The Pennsylvania State University, University Park, PA 16802, U.S.A
| | - Terrence H Bell
- Plant Pathology & Environmental Microbiology Department, The Pennsylvania State University, University Park, PA 16802, U.S.A
| | - Yinong Yang
- Plant Pathology & Environmental Microbiology Department, The Pennsylvania State University, University Park, PA 16802, U.S.A
| | - Kevin L Hockett
- Plant Pathology & Environmental Microbiology Department, The Pennsylvania State University, University Park, PA 16802, U.S.A
| | - Carolee T Bull
- Plant Pathology & Environmental Microbiology Department, The Pennsylvania State University, University Park, PA 16802, U.S.A
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12
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Natural C. elegans Microbiota Protects against Infection via Production of a Cyclic Lipopeptide of the Viscosin Group. Curr Biol 2019; 29:1030-1037.e5. [DOI: 10.1016/j.cub.2019.01.050] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 12/21/2018] [Accepted: 01/18/2019] [Indexed: 12/14/2022]
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13
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Diverse effect of cationic lipopeptide on negatively charged and neutral lipid bilayers supported on gold electrodes. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2018.12.139] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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14
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Jahanshah G, Yan Q, Gerhardt H, Pataj Z, Lämmerhofer M, Pianet I, Josten M, Sahl HG, Silby MW, Loper JE, Gross H. Discovery of the Cyclic Lipopeptide Gacamide A by Genome Mining and Repair of the Defective GacA Regulator in Pseudomonas fluorescens Pf0-1. JOURNAL OF NATURAL PRODUCTS 2019; 82:301-308. [PMID: 30666877 DOI: 10.1021/acs.jnatprod.8b00747] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Genome mining of the Gram-negative bacterium Pseudomonas fluorescens Pf0-1 showed that the strain possesses a silent NRPS-based biosynthetic gene cluster encoding a new lipopeptide; its activation required the repair of the global regulator system. In this paper, we describe the genomics-driven discovery and characterization of the associated secondary metabolite gacamide A, a lipodepsipeptide that forms a new family of Pseudomonas lipopeptides. The compound has a moderate, narrow-spectrum antibiotic activity and facilitates bacterial surface motility.
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Affiliation(s)
- Gahzaleh Jahanshah
- Pharmaceutical Institute, Department of Pharmaceutical Biology , University of Tübingen , 72076 Tübingen , Germany
- German Centre for Infection Research (DZIF) , partner site Tübingen , 72076 Tübingen , Germany
| | - Qing Yan
- Department of Botany and Plant Pathology , Oregon State University , Corvallis , Oregon 97331 , United States
| | - Heike Gerhardt
- Pharmaceutical Institute, Department of Pharmaceutical Analysis and Bioanalysis , University of Tübingen , 72076 Tübingen , Germany
- UMR 5060, IRAMAT-CRP2A, Esplanade des Antilles , F-33600 Pessac , France
| | - Zoltán Pataj
- Pharmaceutical Institute, Department of Pharmaceutical Analysis and Bioanalysis , University of Tübingen , 72076 Tübingen , Germany
- UMR 5060, IRAMAT-CRP2A, Esplanade des Antilles , F-33600 Pessac , France
| | - Michael Lämmerhofer
- Pharmaceutical Institute, Department of Pharmaceutical Analysis and Bioanalysis , University of Tübingen , 72076 Tübingen , Germany
- UMR 5060, IRAMAT-CRP2A, Esplanade des Antilles , F-33600 Pessac , France
| | - Isabelle Pianet
- CESAMO-ISM, UMR 5255, CNRS , Université Bordeaux I , 351 Cours de la Libération , F-33405 Talence , France
| | - Michaele Josten
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), Pharmaceutical Microbiology Unit , University of Bonn , 53115 Bonn , Germany
- German Centre for Infection Research (DZIF) , partner site Bonn-Cologne , 53115 Bonn , Germany
| | - Hans-Georg Sahl
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), Pharmaceutical Microbiology Unit , University of Bonn , 53115 Bonn , Germany
- German Centre for Infection Research (DZIF) , partner site Bonn-Cologne , 53115 Bonn , Germany
| | - Mark W Silby
- Department of Biology , University of Massachusetts Dartmouth , North Dartmouth , Massachusetts 02747 , United States
| | - Joyce E Loper
- Department of Botany and Plant Pathology , Oregon State University , Corvallis , Oregon 97331 , United States
- Agricultural Research Service , U.S. Department of Agriculture , Corvallis , Oregon 97331 , United States
| | - Harald Gross
- Pharmaceutical Institute, Department of Pharmaceutical Biology , University of Tübingen , 72076 Tübingen , Germany
- German Centre for Infection Research (DZIF) , partner site Tübingen , 72076 Tübingen , Germany
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15
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Sugar-based bactericides targeting phosphatidylethanolamine-enriched membranes. Nat Commun 2018; 9:4857. [PMID: 30451842 PMCID: PMC6242839 DOI: 10.1038/s41467-018-06488-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Accepted: 09/06/2018] [Indexed: 12/04/2022] Open
Abstract
Anthrax is an infectious disease caused by Bacillus anthracis, a bioterrorism agent that develops resistance to clinically used antibiotics. Therefore, alternative mechanisms of action remain a challenge. Herein, we disclose deoxy glycosides responsible for specific carbohydrate-phospholipid interactions, causing phosphatidylethanolamine lamellar-to-inverted hexagonal phase transition and acting over B. anthracis and Bacillus cereus as potent and selective bactericides. Biological studies of the synthesized compound series differing in the anomeric atom, glycone configuration and deoxygenation pattern show that the latter is indeed a key modulator of efficacy and selectivity. Biomolecular simulations show no tendency to pore formation, whereas differential metabolomics and genomics rule out proteins as targets. Complete bacteria cell death in 10 min and cellular envelope disruption corroborate an effect over lipid polymorphism. Biophysical approaches show monolayer and bilayer reorganization with fast and high permeabilizing activity toward phosphatidylethanolamine membranes. Absence of bacterial resistance further supports this mechanism, triggering innovation on membrane-targeting antimicrobials. Bacillus anthracis causes the infectious disease anthrax. Here, the authors synthesized deoxy glycosides that are effective against B. anthracis and related bacteria and found that these amphiphilic compounds kill bacteria via an unusual mechanism of action.
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16
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Geudens N, Martins JC. Cyclic Lipodepsipeptides From Pseudomonas spp. - Biological Swiss-Army Knives. Front Microbiol 2018; 9:1867. [PMID: 30158910 PMCID: PMC6104475 DOI: 10.3389/fmicb.2018.01867] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 07/25/2018] [Indexed: 12/20/2022] Open
Abstract
Cyclic lipodepsipeptides produced by Pseudomonas spp. (Ps-CLPs) are biosurfactants that constitute a diverse class of versatile bioactive natural compounds with promising application potential. While chemically diverse, they obey a common structural blue-print, allowing the definition of 14 distinct groups with multiple structurally homologous members. In addition to antibacterial and antifungal properties the reported activity profile of Ps-CLPs includes their effect on bacterial motility, biofilm formation, induced defense responses in plants, their insecticidal activity and anti-proliferation effects on human cancer cell-lines. To further validate their status of potential bioactive substances, we assessed the results of 775 biological tests on 51 Ps-CLPs available from literature. From this, a fragmented view emerges. Taken as a group, Ps-CLPs present a broad activity profile. However, reports on individual Ps-CLPs are often much more limited in the scope of organisms that are challenged or activities that are explored. As a result, our analysis shows that the available data is currently too sparse to allow biological function to be correlated to a particular group of Ps-CLPs. Consequently, certain generalizations that appear in literature with respect to the biological activities of Ps-CLPs should be nuanced. This notwithstanding, the data for the two most extensively studied Ps-CLPs does indicate they can display activities against various biological targets. As the discovery of novel Ps-CLPs accelerates, current challenges to complete and maintain a useful overview of biological activity are discussed.
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Affiliation(s)
- Niels Geudens
- NMR and Structure Analysis Unit, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
| | - José C Martins
- NMR and Structure Analysis Unit, Department of Organic and Macromolecular Chemistry, Ghent University, Ghent, Belgium
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17
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Synthetic Rhamnolipid Bolaforms trigger an innate immune response in Arabidopsis thaliana. Sci Rep 2018; 8:8534. [PMID: 29867089 PMCID: PMC5986815 DOI: 10.1038/s41598-018-26838-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 05/21/2018] [Indexed: 12/20/2022] Open
Abstract
Stimulation of plant innate immunity by natural and synthetic elicitors is a promising alternative to conventional pesticides for a more sustainable agriculture. Sugar-based bolaamphiphiles are known for their biocompatibility, biodegradability and low toxicity. In this work, we show that Synthetic Rhamnolipid Bolaforms (SRBs) that have been synthesized by green chemistry trigger Arabidopsis innate immunity. Using structure-function analysis, we demonstrate that SRBs, depending on the acyl chain length, differentially activate early and late immunity-related plant defense responses and provide local increase in resistance to plant pathogenic bacteria. Our biophysical data suggest that SRBs can interact with plant biomimetic plasma membrane and open the possibility of a lipid driven process for plant-triggered immunity by SRBs.
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18
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Schlusselhuber M, Godard J, Sebban M, Bernay B, Garon D, Seguin V, Oulyadi H, Desmasures N. Characterization of Milkisin, a Novel Lipopeptide With Antimicrobial Properties Produced By Pseudomonas sp. UCMA 17988 Isolated From Bovine Raw Milk. Front Microbiol 2018; 9:1030. [PMID: 29892273 PMCID: PMC5985324 DOI: 10.3389/fmicb.2018.01030] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 05/01/2018] [Indexed: 11/13/2022] Open
Abstract
Biosurfactants such as lipopeptides are amphiphilic compounds produced by microorganisms such as bacteria of the genera of Pseudomonas and Bacillus. Some of these molecules proved to have interesting antimicrobial, antiviral, insecticide, and/or tensioactive properties that are potentially useful for the agricultural, chemical, food, and pharmaceutical industries. Raw milk provides a physicochemical environment that is favorable to the multiplication of a broad spectrum of microorganisms. Among them, psychrotrophic bacterial species, especially members of the genus Pseudomonas, are predominant and colonize milk during cold storage and/or processing. We isolated the strain Pseudomonas sp. UCMA 17988 from raw cow milk, with antagonistic activity against Listeria monocytogenes, Staphylococcus aureus, and Salmonella enterica Newport. Antimicrobial molecules involved in the antagonistic activity of this strain were characterized. A mass spectrometry analysis highlighted the presence of four lipopeptides isoforms. The major isoform (1409 m/z), composed of 10 carbons in the lipidic chain, was named milkisin C. The three other isoforms detected at 1381, 1395, and 1423 m/z, that are concomitantly produced, were named milkisin A, B, and D, respectively. The structure of milkisin, as confirmed by nuclear magnetic resonance analyses, is closely related to amphisin family. Indeed, the peptidic chain was composed of 11 amino acids, 6 of which are conserved among the family. In conclusion, Pseudomonas sp. UCMA 17988 produces new members of the amphisin family which are responsible for the antagonistic activity of this strain.
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Affiliation(s)
| | - Justine Godard
- UNICAEN, UNIROUEN, ABTE, Normandie Université, Caen, France
| | - Muriel Sebban
- UNIROUEN, INSA Rouen, CNRS, COBRA, Normandie Université, Rouen, France
| | - Benoit Bernay
- UNICAEN, SF ICORE 4206, Normandie Université, Caen, France
| | - David Garon
- UNICAEN, UNIROUEN, ABTE, Normandie Université, Caen, France
| | | | - Hassan Oulyadi
- UNIROUEN, INSA Rouen, CNRS, COBRA, Normandie Université, Rouen, France
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19
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Mach M, Węder K, Hąc-Wydro K, Flasiński M, Lewandowska-Łańcucka J, Wójcik K, Wydro P. Influence of Cationic Phosphatidylcholine Derivative on Monolayer and Bilayer Artificial Bacterial Membranes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:5097-5105. [PMID: 29653049 DOI: 10.1021/acs.langmuir.7b04262] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
An increasing number of bacterial infections and the rise in antibiotic resistance of a number of bacteria species forces one to search for new antibacterial compounds. The latter facts motivate the investigations presented herein and are aimed at studying the influence of a cationic lipid, 1-palmitoyl-2-oleoyl- sn-glycero-3-ethylphosphocholine (EPOPC), on model (mono- and bilayer) membranes. The monolayer experiments involved the analysis of the interactions of EPOPC with bacterial membrane lipids in one component and mixed systems as well as Brewster angle microcopy studies. The properties of liposomes were analyzed based on the results of dynamic light scattering (DLS) and zeta potential measurements as well as on the experiments concerning the release of calcein entrapped in liposomes after titration with surfactant solution and steady-state fluorescence anisotropy of DPH. The obtained results evidenced that EPOPC, even at low concentrations, strongly changes organization of model systems making them less condensed. Moreover, EPOPC decreases the hydrodynamic diameter of liposomes, increases their zeta potential, and destabilizes model membranes, increasing their fluidity and permeability. Also, the in vitro tests performed on Escherichia coli (Gram-negative) and Staphylococcus aureus (Gram-positive) strains prove that EPOPC has some bacteriostatic properties which seem to be stronger toward Gram-negative than Gram-positive bacteria. All these findings allow one to conclude that EPOPC mode of action may be directly connected with the interactions of EPOPC molecules with bacterial membranes.
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Affiliation(s)
- Marzena Mach
- Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry , Jagiellonian University , Gronostajowa 2 , 30-387 Kraków , Poland
| | - Karolina Węder
- Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry , Jagiellonian University , Gronostajowa 2 , 30-387 Kraków , Poland
| | - Katarzyna Hąc-Wydro
- Department of Environmental Chemistry, Faculty of Chemistry , Jagiellonian University , Gronostajowa 2 , 30-387 Kraków , Poland
| | - Michał Flasiński
- Department of Environmental Chemistry, Faculty of Chemistry , Jagiellonian University , Gronostajowa 2 , 30-387 Kraków , Poland
| | - Joanna Lewandowska-Łańcucka
- Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry , Jagiellonian University , Gronostajowa 2 , 30-387 Kraków , Poland
| | - Kinga Wójcik
- Department of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology , Jagiellonian University , Gronostajowa 7 , 30-387 Kraków , Poland
| | - Paweł Wydro
- Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry , Jagiellonian University , Gronostajowa 2 , 30-387 Kraków , Poland
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20
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Dockerty P, Edens JG, Tol MB, Morales Angeles D, Domenech A, Liu Y, Hirsch AKH, Veening JW, Scheffers DJ, Witte MD. Bicyclic enol cyclocarbamates inhibit penicillin-binding proteins. Org Biomol Chem 2018; 15:894-910. [PMID: 28045164 DOI: 10.1039/c6ob01664b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Natural products form attractive leads for the development of chemical probes and drugs. The antibacterial lipopeptide Brabantamide A contains an unusual enol cyclocarbamate and we used this scaffold as inspiration for the synthesis of a panel of enol cyclocarbamate containing compounds. By equipping the scaffold with different groups, we identified structural features that are essential for antibacterial activity. Some of the derivatives block incorporation of hydroxycoumarin carboxylic acid-amino d-alanine into the newly synthesized peptidoglycan. Activity-based protein-profiling experiments revealed that the enol carbamates inhibit a specific subset of penicillin-binding proteins in B. subtilis and S. pneumoniae.
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Affiliation(s)
- Paul Dockerty
- Chemical Biology, Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands.
| | - Jerre G Edens
- Chemical Biology, Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands.
| | - Menno B Tol
- Molecular Microbiology, Groningen Institute for Biomolecular Sciences and Biotechnology, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands
| | - Danae Morales Angeles
- Molecular Microbiology, Groningen Institute for Biomolecular Sciences and Biotechnology, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands
| | - Arnau Domenech
- Molecular Genetics, Groningen Institute for Biomolecular Sciences and Biotechnology, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands
| | - Yun Liu
- Chemical Biology, Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands.
| | - Anna K H Hirsch
- Chemical Biology, Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands.
| | - Jan-Willem Veening
- Molecular Genetics, Groningen Institute for Biomolecular Sciences and Biotechnology, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands
| | - Dirk-Jan Scheffers
- Molecular Microbiology, Groningen Institute for Biomolecular Sciences and Biotechnology, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands
| | - Martin D Witte
- Chemical Biology, Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 7, 9747AG Groningen, The Netherlands.
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21
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Masschelein J, Jenner M, Challis GL. Antibiotics from Gram-negative bacteria: a comprehensive overview and selected biosynthetic highlights. Nat Prod Rep 2017. [PMID: 28650032 DOI: 10.1039/c7np00010c] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Covering: up to 2017The overwhelming majority of antibiotics in clinical use originate from Gram-positive Actinobacteria. In recent years, however, Gram-negative bacteria have become increasingly recognised as a rich yet underexplored source of novel antimicrobials, with the potential to combat the looming health threat posed by antibiotic resistance. In this article, we have compiled a comprehensive list of natural products with antimicrobial activity from Gram-negative bacteria, including information on their biosynthetic origin(s) and molecular target(s), where known. We also provide a detailed discussion of several unusual pathways for antibiotic biosynthesis in Gram-negative bacteria, serving to highlight the exceptional biocatalytic repertoire of this group of microorganisms.
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Affiliation(s)
- J Masschelein
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, UK.
| | - M Jenner
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, UK.
| | - G L Challis
- Department of Chemistry, University of Warwick, Gibbet Hill Road, Coventry, UK.
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22
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Geudens N, Nasir MN, Crowet JM, Raaijmakers JM, Fehér K, Coenye T, Martins JC, Lins L, Sinnaeve D, Deleu M. Membrane Interactions of Natural Cyclic Lipodepsipeptides of the Viscosin Group. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2017; 1859:331-339. [DOI: 10.1016/j.bbamem.2016.12.013] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 12/12/2016] [Accepted: 12/16/2016] [Indexed: 11/16/2022]
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23
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Paterson J, Jahanshah G, Li Y, Wang Q, Mehnaz S, Gross H. The contribution of genome mining strategies to the understanding of active principles of PGPR strains. FEMS Microbiol Ecol 2016; 93:fiw249. [PMID: 27986826 DOI: 10.1093/femsec/fiw249] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 08/11/2016] [Accepted: 12/14/2016] [Indexed: 12/22/2022] Open
Abstract
Pathogenic microorganisms and insects affecting plant health are a major and chronic threat to food production and the ecosystem worldwide. As agricultural production has intensified over the years, the use of agrochemicals has in turn increased. However, this extensive usage has had several detrimental effects, with a pervasive environmental impact and the emergence of pathogen resistance. In addition, there is an increasing tendency among consumers to give preference to pesticide-free food products. Biological control, through the employment of plant growth-promoting rhizobacteria (PGPR), is therefore considered a possible route to the reduction, even the elimination, of the use of agrochemicals. PGPR exert their beneficial influence by a multitude of mechanisms, often involving antibiotics and proteins, to defend the host plant against pathogens. To date, these key metabolites have been uncovered only by systematic investigation or by serendipity; their discovery has nevertheless been propelled by the genomic revolution of recent years, as increasing numbers of genomic studies have been integrated into this field, facilitating a holistic view of this topic and the rapid identification of ecologically important metabolites. This review surveys the highlights and advances of genome-driven compound and protein discovery in the field of bacterial PGPR strains, and aims to advocate for the benefits of this strategy.
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Affiliation(s)
- Julia Paterson
- Department of Pharmaceutical Biology, Pharmaceutical Institute, University of Tübingen, 72076 Tübingen, Germany
| | - Ghazaleh Jahanshah
- Department of Pharmaceutical Biology, Pharmaceutical Institute, University of Tübingen, 72076 Tübingen, Germany
| | - Yan Li
- Department of Plant Pathology, China Agricultural University, Beijing 100193, P. R. China
| | - Qi Wang
- Department of Plant Pathology, China Agricultural University, Beijing 100193, P. R. China
| | - Samina Mehnaz
- Department of Biological Sciences, Forman Christian College University, Lahore 54600, Pakistan
| | - Harald Gross
- Department of Pharmaceutical Biology, Pharmaceutical Institute, University of Tübingen, 72076 Tübingen, Germany
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24
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De Vleeschouwer M, Martins JC, Madder A. First total synthesis of WLIP: on the importance of correct protecting group choice. J Pept Sci 2016; 22:149-55. [PMID: 26856688 DOI: 10.1002/psc.2852] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 12/08/2015] [Accepted: 12/14/2015] [Indexed: 02/06/2023]
Abstract
Cyclic lipodepsipeptides (CLPs) are a group of metabolites produced by Pseudomonas bacteria, involved in various biological functions and displaying a wide range of properties, including antibacterial and antifungal activities. The white line-inducing principle (WLIP) is a member of the viscosin group featuring a Glu2 amino acid. Recently, a total synthesis of pseudodesmin A - the Gln2 counterpart of WLIP - was described, and we here expand this route to Glu2 containing CLPs. We report the first total synthesis of WLIP and at the same time establish that the Gln2 to Glu2 substitution has an adverse impact on the crude purity and overall yield. A comparative study of different CLP analogues reveals the importance of the nature of the Glx2 protecting group in determining these outcomes. Replacement of the conventional tBu protecting group by the larger benzyl group for the Glu residue in our synthesis strategy indeed resulted in an improved conversion. Next to achieving the first WLIP total synthesis, we thus show the importance of a careful choice of protecting groups for the success of this type of solid-phase synthesis approaches towards CLPs.
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Affiliation(s)
- Matthias De Vleeschouwer
- Department of Organic and Macromolecular Chemistry, Organic and Biomimetic Chemistry Research Group, Ghent University, Krijgslaan 281 S4, 9000, Ghent, Belgium.,Department of Organic and Macromolecular Chemistry, NMR and Structure Analysis Unit, Ghent University, Krijgslaan 281 S4, 9000, Ghent, Belgium
| | - José C Martins
- Department of Organic and Macromolecular Chemistry, NMR and Structure Analysis Unit, Ghent University, Krijgslaan 281 S4, 9000, Ghent, Belgium
| | - Annemieke Madder
- Department of Organic and Macromolecular Chemistry, Organic and Biomimetic Chemistry Research Group, Ghent University, Krijgslaan 281 S4, 9000, Ghent, Belgium
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25
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Kim YG, Kang HK, Kwon KD, Seo CH, Lee HB, Park Y. Antagonistic Activities of Novel Peptides from Bacillus amyloliquefaciens PT14 against Fusarium solani and Fusarium oxysporum. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:10380-10387. [PMID: 26496638 DOI: 10.1021/acs.jafc.5b04068] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Bacillus species have recently drawn attention due to their potential use in the biological control of fungal diseases. This paper reports on the antifungal activity of novel peptides isolated from Bacillus amyloliquefaciens PT14. Reverse-phase high-performance liquid chromatography revealed that B. amyloliquefaciens PT14 produces five peptides (PT14-1, -2, -3, -4a, and -4b) that exhibit antifungal activity but are inactive against bacterial strains. In particular, PT14-3 and PT14-4a showed broad-spectrum antifungal activity against Fusarium solani and Fusarium oxysporum. The PT14-4a N-terminal amino acid sequence was identified through Edman degradation, and a BLAST homology analysis showed it not to be identical to any other protein or peptide. PT14-4a displayed strong fungicidal activity with minimal inhibitory concentrations of 3.12 mg/L (F. solani) and 6.25 mg/L (F. oxysporum), inducing severe morphological deformation in the conidia and hyphae. On the other hand, PT14-4a had no detectable hemolytic activity. This suggests PT14-4a has the potential to serve as an antifungal agent in clinical therapeutic and crop-protection applications.
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Affiliation(s)
- Young Gwon Kim
- Department of Biomedical Science, Chosun University , Gwangju 61452, Korea
| | - Hee Kyoung Kang
- Department of Biomedical Science, Chosun University , Gwangju 61452, Korea
| | - Kee-Deok Kwon
- Department of Bioinformatics, Kongju National University , Kongju 32588, Korea
| | - Chang Ho Seo
- Department of Bioinformatics, Kongju National University , Kongju 32588, Korea
| | - Hyang Burm Lee
- College of Agriculture and Life Sciences, Chonnam National University , Gwangju 61186, Korea
| | - Yoonkyung Park
- Department of Biomedical Science, Chosun University , Gwangju 61452, Korea
- Research Center for Proteineous Materials, Chosun University , Gwangju 61452, Korea
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26
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Bauer JS, Ghequire MGK, Nett M, Josten M, Sahl HG, De Mot R, Gross H. Biosynthetic Origin of the Antibiotic Pseudopyronines A and B in Pseudomonas putida BW11M1. Chembiochem 2015; 16:2491-7. [PMID: 26507104 DOI: 10.1002/cbic.201500413] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Indexed: 11/08/2022]
Abstract
Within the framework of our effort to discover new antibiotics from pseudomonads, pseudopyronines A and B were isolated from the plant-derived Pseudomonas putida BW11M1. Pseudopyronines are 3,6-dialkyl-4-hydroxy-2-pyrones and displayed high in vitro activities against several human pathogens, and in our hands also towards the plant pathogen Pseudomonas savastanoi. Here, the biosynthesis of pseudopyronine B was studied by a combination of feeding experiments with isotopically labeled precursors, genomic sequence analysis, and gene deletion experiments. The studies resulted in the deduction of all acetate units and revealed that the biosynthesis of these α-pyrones occurs with a single PpyS-homologous ketosynthase. It fuses, with some substrate flexibility, a 3-oxo-fatty acid and a further unbranched saturated fatty acid, both of medium chain-length and provided by primary metabolism.
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Affiliation(s)
- Judith S Bauer
- Department of Pharmaceutical Biology, Pharmaceutical Institute, University of Tübingen, Auf der Morgenstelle 8, 72076, Tübingen, Germany.,German Centre for Infection Research (DZIF), Partner site Tübingen, Auf der Morgenstelle 8, 72076, Tübingen, Germany
| | - Maarten G K Ghequire
- Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, University of Leuven, Kasteelpark Arenberg 20, 3001, Heverlee-Leuven, Belgium
| | - Markus Nett
- Junior Research Group "Secondary Metabolism of Predatory Bacteria", Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knöll-Institut, Beutenbergstrasse 11 A, 07745, Jena, Germany
| | - Michaele Josten
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), Pharmaceutical Microbiology Unit, University of Bonn, Meckenheimer Allee 168, 53115, Bonn, Germany.,German Centre for Infection Research (DZIF), Partner site Bonn-Cologne, Meckenheimer Allee 168, 53115, Bonn, Germany
| | - Hans-Georg Sahl
- Institute for Medical Microbiology, Immunology and Parasitology (IMMIP), Pharmaceutical Microbiology Unit, University of Bonn, Meckenheimer Allee 168, 53115, Bonn, Germany.,German Centre for Infection Research (DZIF), Partner site Bonn-Cologne, Meckenheimer Allee 168, 53115, Bonn, Germany
| | - René De Mot
- Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, University of Leuven, Kasteelpark Arenberg 20, 3001, Heverlee-Leuven, Belgium.
| | - Harald Gross
- Department of Pharmaceutical Biology, Pharmaceutical Institute, University of Tübingen, Auf der Morgenstelle 8, 72076, Tübingen, Germany. .,German Centre for Infection Research (DZIF), Partner site Tübingen, Auf der Morgenstelle 8, 72076, Tübingen, Germany.
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27
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Inès M, Dhouha G. Lipopeptide surfactants: Production, recovery and pore forming capacity. Peptides 2015; 71:100-12. [PMID: 26189973 DOI: 10.1016/j.peptides.2015.07.006] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 06/30/2015] [Accepted: 07/03/2015] [Indexed: 12/26/2022]
Abstract
Lipopeptides are microbial surface active compounds produced by a wide variety of bacteria, fungi and yeast. They are characterized by highly structural diversity and have the ability to decrease the surface and interfacial tension at the surface and interface, respectively. Surfactin, iturin and fengycin of Bacillus subtilis are among the most studied lipopeptides. This review will present the main factors encountering lipopeptides production along with the techniques developed for their extraction and purification. Moreover, we will discuss their ability to form pores and destabilize biological membrane permitting their use as antimicrobial, hemolytic and antitumor agents. These open great potential applications in biomediacal, pharmaceutic and agriculture fields.
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Affiliation(s)
- Mnif Inès
- Higher Institute of Biotechnology, Tunisia; Unit Enzymes and Bioconversion, National School of Engineers, Tunisia.
| | - Ghribi Dhouha
- Higher Institute of Biotechnology, Tunisia; Unit Enzymes and Bioconversion, National School of Engineers, Tunisia
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28
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Van Der Voort M, Meijer HJG, Schmidt Y, Watrous J, Dekkers E, Mendes R, Dorrestein PC, Gross H, Raaijmakers JM. Genome mining and metabolic profiling of the rhizosphere bacterium Pseudomonas sp. SH-C52 for antimicrobial compounds. Front Microbiol 2015. [PMID: 26217324 PMCID: PMC4493835 DOI: 10.3389/fmicb.2015.00693] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
The plant microbiome represents an enormous untapped resource for discovering novel genes and bioactive compounds. Previously, we isolated Pseudomonas sp. SH-C52 from the rhizosphere of sugar beet plants grown in a soil suppressive to the fungal pathogen Rhizoctonia solani and showed that its antifungal activity is, in part, attributed to the production of the chlorinated 9-amino-acid lipopeptide thanamycin (Mendes et al., 2011). To get more insight into its biosynthetic repertoire, the genome of Pseudomonas sp. SH-C52 was sequenced and subjected to in silico, mutational and functional analyses. The sequencing revealed a genome size of 6.3 Mb and 5579 predicted ORFs. Phylogenetic analysis placed strain SH-C52 within the Pseudomonas corrugata clade. In silico analysis for secondary metabolites revealed a total of six non-ribosomal peptide synthetase (NRPS) gene clusters, including the two previously described NRPS clusters for thanamycin and the 2-amino acid antibacterial lipopeptide brabantamide. Here we show that thanamycin also has activity against an array of other fungi and that brabantamide A exhibits anti-oomycete activity and affects phospholipases of the late blight pathogen Phytophthora infestans. Most notably, mass spectrometry led to the discovery of a third lipopeptide, designated thanapeptin, with a 22-amino-acid peptide moiety. Seven structural variants of thanapeptin were found with varying degrees of activity against P. infestans. Of the remaining four NRPS clusters, one was predicted to encode for yet another and unknown lipopeptide with a predicted peptide moiety of 8-amino acids. Collectively, these results show an enormous metabolic potential for Pseudomonas sp. SH-C52, with at least three structurally diverse lipopeptides, each with a different antimicrobial activity spectrum.
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Affiliation(s)
| | - Harold J G Meijer
- Laboratory of Phytopathology, Wageningen University Wageningen, Netherlands
| | - Yvonne Schmidt
- Institute for Pharmaceutical Biology, University of Bonn Bonn, Germany
| | - Jeramie Watrous
- Departments of Pharmacology and Chemistry and Biochemistry, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego San Diego, CA, USA
| | - Ester Dekkers
- Laboratory of Phytopathology, Wageningen University Wageningen, Netherlands
| | - Rodrigo Mendes
- Laboratory of Phytopathology, Wageningen University Wageningen, Netherlands ; Brazilian Agricultural Research Corporation, Embrapa Environment Jaguariuna, Brazil
| | - Pieter C Dorrestein
- Departments of Pharmacology and Chemistry and Biochemistry, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego San Diego, CA, USA
| | - Harald Gross
- Department of Pharmaceutical Biology, Pharmaceutical Institute, University of Tübingen Tübingen, Germany
| | - Jos M Raaijmakers
- Laboratory of Phytopathology, Wageningen University Wageningen, Netherlands ; Department of Microbial Ecology, Netherlands Institute of Ecology (NIOO-KNAW) Wageningen, Netherlands
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29
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Patel S, Ahmed S, Eswari JS. Therapeutic cyclic lipopeptides mining from microbes: latest strides and hurdles. World J Microbiol Biotechnol 2015; 31:1177-93. [PMID: 26041368 DOI: 10.1007/s11274-015-1880-8] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2015] [Accepted: 05/31/2015] [Indexed: 12/23/2022]
Abstract
Infectious diseases impose serious public health burdens and often have devastating consequences. The cyclic lipopeptides elaborated by bacteria Bacillus, Paenibacillus, Pseudomonas, Streptomyces, Serratia, Propionibacterium and fungus Fusarium are very crucial in restraining the pathogens. Composed of a peptide and a fatty acyl moiety these amphiphilic metabolites exhibit broad spectrum antimicrobial effects. Among the plethora of cyclic lipopeptides, only selective few have emerged as robust antibiotics. For their functional vigor, polymyxin, daptomycin, surfactin, iturin, fengysin, paenibacterin and pseudofactin have been integrated in mainstream healthcare. Daptomycin has been a significant part of antimicrobial arsenal since the past decade. As the magnitude of drug resistance rises in unprecedented manner, the urgency of prospecting novel cyclic lipopeptides is being perceived. Intense research has revealed the implication of these bioactive compounds stretching beyond antibacterial and antifungal. Anticancer, immunomodulatory, prosthetic parts disinfection and vaccine adjuvancy are some of the validated prospects. This review discusses the emerging applications, mechanisms governing the biological actions, role of genomics in refining structure and function, semi-synthetic analog discovery, novel strain isolation, setbacks etc. Though its beyond the scope of the current topic, for holistic purpose, the role of lipopeptides in bioremediation and crop biotechnology has been briefly outlined. This updated critique is expected to galvanize innovations and diversify therapeutic recruitment of microbial lipopeptides.
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Affiliation(s)
- Seema Patel
- Bioinformatics and Medical Informatics Research Center, San Diego State University, San Diego, CA, 92182, USA,
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30
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Schmidt Y, van der Voort M, Crüsemann M, Piel J, Josten M, Sahl HG, Miess H, Raaijmakers JM, Gross H. Biosynthetic origin of the antibiotic cyclocarbamate brabantamide A (SB-253514) in plant-associated Pseudomonas. Chembiochem 2014; 15:259-66. [PMID: 24436210 DOI: 10.1002/cbic.201300527] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Indexed: 11/07/2022]
Abstract
Within the framework of our genome-based program to discover new antibiotic lipopeptides from Pseudomonads, brabantamides A-C were isolated from plant-associated Pseudomonas sp. SH-C52. Brabantamides A-C displayed moderate to high in vitro activities against Gram-positive bacterial pathogens. Their shared structure is unique in that they contain a 5,5-bicyclic carbamate scaffold. Here, the biosynthesis of brabantamide A (SB-253514) was studied by a combination of bioinformatics, feeding experiments with isotopically labelled precursors and in vivo and in vitro functional analysis of enzymes encoded in the biosynthetic pathway. The studies resulted in the deduction of all biosynthetic building blocks of brabantamide A and revealed an unusual feature of this metabolite: its biosynthesis occurs via an initially formed linear di-lipopeptide that is subsequently rearranged by a novel FAD-dependent Baeyer-Villiger monooxygenase.
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31
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Henkels MD, Kidarsa TA, Shaffer BT, Goebel NC, Burlinson P, Mavrodi DV, Bentley MA, Rangel LI, Davis EW, Thomashow LS, Zabriskie TM, Preston GM, Loper JE. Pseudomonas protegens Pf-5 causes discoloration and pitting of mushroom caps due to the production of antifungal metabolites. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2014; 27:733-746. [PMID: 24742073 DOI: 10.1094/mpmi-10-13-0311-r] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Bacteria in the diverse Pseudomonas fluorescens group include rhizosphere inhabitants known for their antifungal metabolite production and biological control of plant disease, such as Pseudomonas protegens Pf-5, and mushroom pathogens, such as Pseudomonas tolaasii. Here, we report that strain Pf-5 causes brown, sunken lesions on peeled caps of the button mushroom (Agaricus bisporus) that resemble brown blotch symptoms caused by P. tolaasii. Strain Pf-5 produces six known antifungal metabolites under the control of the GacS/GacA signal transduction system. A gacA mutant produces none of these metabolites and did not cause lesions on mushroom caps. Mutants deficient in the biosynthesis of the antifungal metabolites 2,4-diacetylphloroglucinol and pyoluteorin caused less-severe symptoms than wild-type Pf-5 on peeled mushroom caps, whereas mutants deficient in the production of lipopeptide orfamide A caused similar symptoms to wild-type Pf-5. Purified pyoluteorin and 2,4-diacetylphloroglucinol mimicked the symptoms caused by Pf-5. Both compounds were isolated from mushroom tissue inoculated with Pf-5, providing direct evidence for their in situ production by the bacterium. Although the lipopeptide tolaasin is responsible for brown blotch of mushroom caused by P. tolaasii, P. protegens Pf-5 caused brown blotch-like symptoms on peeled mushroom caps through a lipopeptide-independent mechanism involving the production of 2,4-diacetylphloroglucinol and pyoluteorin.
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32
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De Vleeschouwer M, Sinnaeve D, Van den Begin J, Coenye T, Martins JC, Madder A. Rapid Total Synthesis of Cyclic Lipodepsipeptides as a Premise to Investigate their Self‐Assembly and Biological Activity. Chemistry 2014; 20:7766-75. [DOI: 10.1002/chem.201402066] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Indexed: 12/16/2022]
Affiliation(s)
- Matthias De Vleeschouwer
- Department of Organic Chemistry, Organic and Biomimetic Chemistry Research Group, Ghent University, Krijgslaan 281 S4, 9000 Ghent (Belgium)
- Department of Organic Chemistry, NMR and Structure Analysis Unit, Ghent University, Krijgslaan 281 S4, 9000 Ghent (Belgium)
| | - Davy Sinnaeve
- Department of Organic Chemistry, NMR and Structure Analysis Unit, Ghent University, Krijgslaan 281 S4, 9000 Ghent (Belgium)
| | - Jos Van den Begin
- Department of Organic Chemistry, Organic and Biomimetic Chemistry Research Group, Ghent University, Krijgslaan 281 S4, 9000 Ghent (Belgium)
| | - Tom Coenye
- Laboratory of Pharmaceutical Microbiology, Ghent University, Harelbekestraat 72, 9000 Ghent (Belgium)
| | - José C. Martins
- Department of Organic Chemistry, NMR and Structure Analysis Unit, Ghent University, Krijgslaan 281 S4, 9000 Ghent (Belgium)
| | - Annemieke Madder
- Department of Organic Chemistry, Organic and Biomimetic Chemistry Research Group, Ghent University, Krijgslaan 281 S4, 9000 Ghent (Belgium)
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Li W, Rokni-Zadeh H, De Vleeschouwer M, Ghequire MGK, Sinnaeve D, Xie GL, Rozenski J, Madder A, Martins JC, De Mot R. The antimicrobial compound xantholysin defines a new group of Pseudomonas cyclic lipopeptides. PLoS One 2013; 8:e62946. [PMID: 23690965 PMCID: PMC3656897 DOI: 10.1371/journal.pone.0062946] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Accepted: 03/27/2013] [Indexed: 12/17/2022] Open
Abstract
The rhizosphere isolate Pseudomonas putida BW11M1 produces a mixture of cyclic lipopeptide congeners, designated xantholysins. Properties of the major compound xantholysin A, shared with several other Pseudomonas lipopeptides, include antifungal activity and toxicity to Gram-positive bacteria, a supportive role in biofilm formation, and facilitation of surface colonization through swarming. Atypical is the lipopeptide’s capacity to inhibit some Gram-negative bacteria, including several xanthomonads. The lipotetradecadepsipeptides are assembled by XtlA, XtlB and XtlC, three co-linearly operating non-ribosomal peptide synthetases (NRPSs) displaying similarity in modular architecture with the entolysin-producing enzymes of the entomopathogenic Pseudomonas entomophila L48. A shifted serine-incorporating unit in the eight-module enzyme XtlB elongating the central peptide moiety not only generates an amino acid sequence differing at several equivalent positions from entolysin, but also directs xantholysin’s macrocyclization into an octacyclic structure, distinct from the pentacyclic closure in entolysin. Relaxed fatty acid specificity during lipoinitiation by XtlA (acylation with 3-hydroxydodec-5-enoate instead of 3-hydroxydecanoate) and for incorporation of the ultimate amino acid by XtlC (valine instead of isoleucine) account for the production of the minor structural variants xantholysin C and B, respectively. Remarkably, the genetic backbones of the xantholysin and entolysin NRPS systems also bear pronounced phylogenetic similarity to those of the P. putida strains PCL1445 and RW10S2, albeit generating the seemingly structurally unrelated cyclic lipopeptides putisolvin (undecapeptide containing a cyclotetrapeptide) and WLIP (nonapeptide containing a cycloheptapeptide), respectively. This similarity includes the linked genes encoding the cognate LuxR-family regulator and tripartite export system components in addition to individual modules of the NRPS enzymes, and probably reflects a common evolutionary origin. Phylogenetic scrutiny of the modules used for selective amino acid activation by these synthetases indicates that bacteria such as pseudomonads recruit and reshuffle individual biosynthetic units and blocks thereof to engineer reorganized or novel NRPS assembly lines for diversified synthesis of lipopeptides.
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Affiliation(s)
- Wen Li
- Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, University of Leuven, Heverlee-Leuven, Belgium
| | - Hassan Rokni-Zadeh
- Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, University of Leuven, Heverlee-Leuven, Belgium
| | - Matthias De Vleeschouwer
- NMR and Structure Analysis Unit, Department of Organic Chemistry, Ghent University, Gent, Belgium
- Organic and Biomimetic Chemistry Research Group, Department of Organic Chemistry, Ghent University, Gent, Belgium
| | - Maarten G. K. Ghequire
- Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, University of Leuven, Heverlee-Leuven, Belgium
| | - Davy Sinnaeve
- NMR and Structure Analysis Unit, Department of Organic Chemistry, Ghent University, Gent, Belgium
| | - Guan-Lin Xie
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou, China
| | - Jef Rozenski
- Laboratory of Medicinal Chemistry, Rega Institute for Medical Research, University of Leuven, Leuven, Belgium
| | - Annemieke Madder
- Organic and Biomimetic Chemistry Research Group, Department of Organic Chemistry, Ghent University, Gent, Belgium
| | - José C. Martins
- NMR and Structure Analysis Unit, Department of Organic Chemistry, Ghent University, Gent, Belgium
| | - René De Mot
- Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, University of Leuven, Heverlee-Leuven, Belgium
- * E-mail:
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34
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Zhao P, Quan C, Wang Y, Wang J, Fan S. Bacillus amyloliquefaciens Q-426 as a potential biocontrol agent against Fusarium oxysporum f. sp. spinaciae. J Basic Microbiol 2013; 54:448-56. [PMID: 23553741 DOI: 10.1002/jobm.201200414] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Accepted: 10/26/2012] [Indexed: 11/11/2022]
Abstract
In recent years, Bacillus species have received considerable attention for the biological control of many fungal diseases. In this study, Bacillus amyloliquefaciens Q-426 was tested for its potential use against a variety of plant pathogens. Our screen for genes involved in the biosynthesis of antifungal agents revealed that the fen and bmy gene clusters are present in the Q-426 genome. Lipopeptides such as bacillomycin D, fengycin A, and fengycin B were purified from the bacterial culture broth and subsequently identified by ESI-mass spectrometry. The minimal inhibitory concentration of fengycin A against Fusarium oxysporum f. sp. spinaciae W.C. Snyder & H.N. Hansen O-27 was determined to be 31.25 μg ml(-1) . However, exposure of fungal cells to 50 μg ml(-1) of fengycin A did not allow permeation of fluorescein diacetate into the cytoplasm through the cell membrane. Moreover, leakage of intracellular inorganic cations, nucleic acid and protein were also not detected, indicating that the fungal cell membrane is not the primary target of action for fengycin A. Profound morphological changes were observed in the F. oxysporum strain and spore germination was completely inhibited, suggesting that 50 μg ml(-1) of fengycin A acts, at least, as a fungistatic agent.
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Affiliation(s)
- Pengchao Zhao
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China; Graduate School of Chinese Academy of Sciences, Beijing, China
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35
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Mehnaz S, Saleem RSZ, Yameen B, Pianet I, Schnakenburg G, Pietraszkiewicz H, Valeriote F, Josten M, Sahl HG, Franzblau SG, Gross H. Lahorenoic acids A-C, ortho-dialkyl-substituted aromatic acids from the biocontrol strain Pseudomonas aurantiaca PB-St2. JOURNAL OF NATURAL PRODUCTS 2013; 76:135-141. [PMID: 23402329 DOI: 10.1021/np3005166] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Three new aromatic acids, named lahorenoic acids A (1), B (2), and C (3), have been isolated along with the known compounds phenazine-1-carboxylic acid (4), 2-hydroxyphenazine-1-carboxylic acid (5), 2-hydroxyphenazine (6), 2,8-dihydroxyphenazine (7), cyclo-Pro-Tyr (8), cyclo-Pro-Val (9), cyclo-Pro-Met (10), and WLIP (11) and characterized from the biocontrol strain Pseudomonas aurantiaca PB-St2. The structures of these compounds were deduced by 1D and 2D NMR spectroscopic and mass spectral data interpretation. Compounds 2, 4, and 7 showed moderate antibacterial activity against mycobacteria and other Gram-positive bacteria, while 4 was also found to exhibit cytotoxic and antifungal properties.
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Affiliation(s)
- Samina Mehnaz
- Department of Biological Sciences, Forman Christian College University, Lahore, Pakistan.
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36
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Zhao P, Quan C, Jin L, Wang L, Wang J, Fan S. Effects of critical medium components on the production of antifungal lipopeptides from Bacillus amyloliquefaciens Q-426 exhibiting excellent biosurfactant properties. World J Microbiol Biotechnol 2013; 29:401-9. [PMID: 23329061 DOI: 10.1007/s11274-012-1180-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Accepted: 09/24/2012] [Indexed: 11/26/2022]
Abstract
In this study, influence of three critical parameters nitrogen sources, initial pH and metal ions was discussed in the production of antifungal lipopeptides from Bacillus amyloliquefaciens Q-426. The results revealed that lipopeptide biosynthesis might have relations with the population density of strain Q-426 and some special amino acids. Also, the alkali-resistant strain Q-426 could grow well in the presence of Fe(2+) ions below 0.8 M l(-1) and still maintain the competitive advantage below 0.2 M l(-1). Moreover, lipopeptides exhibited significant inhibitory activities against Curvularia lunata (Walk) Boed even at the extreme conditions of temperature, pH and salinity. Finally, biosurfactant properties of lipopeptides mixture were evaluated by use with totally six different methods including bacterial adhesion to hydrocarbons assay, lipase activity, hemolytic activity, emulsification activity, oil displacement test and surface tension measurement. The research suggested that B. amyloliquefaciens Q-426 may have great potential in agricultural and environmental fields.
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Affiliation(s)
- Pengchao Zhao
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhong-shan Road, Dalian 116023, China.
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37
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Mandal SM, Barbosa AEAD, Franco OL. Lipopeptides in microbial infection control: scope and reality for industry. Biotechnol Adv 2013; 31:338-45. [PMID: 23318669 DOI: 10.1016/j.biotechadv.2013.01.004] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2012] [Revised: 01/04/2013] [Accepted: 01/04/2013] [Indexed: 01/12/2023]
Abstract
Lipopeptides are compounds that are formed by cyclic or short linear peptides linked with a lipid tail or other lipophilic molecules. Recently, several lipopeptides were characterized, showing surfactant, antimicrobial and cytotoxic activities. The properties of lipopeptides may lead to applications in diverse industrial fields including the pharmaceutical industry as conventional antibiotics; the cosmetic industry for dermatological product development due to surfactant and anti-wrinkle properties; in food production acting as emulsifiers in various foodstuffs; and also in the field of biotechnology as biosurfactants. Some lipopeptides have reached a commercial antibiotic status, such as daptomycin, caspofungin, micafungin, and anidulafungin. This will be the focus of this review. Moreover, the review presented here will focus on the biotechnological utilization of lipopeptides in different fields as well as the functional-structure relation, connecting recent aspects of synthesis and structure diversity.
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Affiliation(s)
- Santi M Mandal
- Central Research Facility, Indian Institute of Technology Kharagpur, Kharagpur 721302, W B, India
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38
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Lange A, Sun H, Pilger J, Reinscheid UM, Gross H. Predicting the structure of cyclic lipopeptides by bioinformatics: structure revision of arthrofactin. Chembiochem 2012; 13:2671-5. [PMID: 23169772 DOI: 10.1002/cbic.201200532] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2012] [Indexed: 11/09/2022]
Abstract
Arthrofactin, a bioactive cyclic lipopeptide from Pseudomonas sp. MIS38, was reinvestigated for its structural and stereochemical features due to discrepancies between the genetics-based sequence prediction and the currently suggested structure. The structure of arthrofactin and its derivatives was reassigned on the basis of chiral HPLC analysis and extensive NMR and MS experiments. Furthermore, derivatives of arthrofactin were discovered.
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Affiliation(s)
- Anna Lange
- Institute for Pharmaceutical Biology, University of Bonn, Germany
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39
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Genetic and functional characterization of cyclic lipopeptide white-line-inducing principle (WLIP) production by rice rhizosphere isolate Pseudomonas putida RW10S2. Appl Environ Microbiol 2012; 78:4826-34. [PMID: 22544260 DOI: 10.1128/aem.00335-12] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The secondary metabolite mediating the GacS-dependent growth-inhibitory effect exerted by the rice rhizosphere isolate Pseudomonas putida RW10S2 on phytopathogenic Xanthomonas species was identified as white-line-inducing principle (WLIP), a member of the viscosin group of cyclic lipononadepsipeptides. WLIP producers are commonly referred to by the taxonomically invalid name "Pseudomonas reactans," based on their capacity to reveal the presence of a nearby colony of Pseudomonas tolaasii by inducing the formation of a visible precipitate ("white line") in agar medium between both colonies. This phenomenon is attributed to the interaction of WLIP with a cyclic lipopeptide of a distinct structural group, the fungitoxic tolaasin, and has found application as a diagnostic tool to identify tolaasin-producing bacteria pathogenic to mushrooms. The genes encoding the WLIP nonribosomal peptide synthetases WlpA, WlpB, and WlpC were identified in two separate genomic clusters (wlpR-wlpA and wlpBC) with an operon organization similar to that of the viscosin, massetolide, and entolysin biosynthetic systems. Expression of wlpR is dependent on gacS, and the encoded regulator of the LuxR family (WlpR) activates transcription of the biosynthetic genes and the linked export genes, which is not controlled by the RW10S2 quorum-sensing system PmrR/PmrI. In addition to linking the known phenotypes of white line production and hemolytic activity of a WLIP producer with WLIP biosynthesis, additional properties of ecological relevance conferred by WLIP production were identified, namely, antagonism against Xanthomonas and involvement in swarming and biofilm formation.
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