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Bektas S, Kaptan E. Microbial lectins as a potential therapeutics for the prevention of certain human diseases. Life Sci 2024; 346:122643. [PMID: 38614308 DOI: 10.1016/j.lfs.2024.122643] [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: 02/09/2024] [Revised: 03/20/2024] [Accepted: 04/10/2024] [Indexed: 04/15/2024]
Abstract
Lectins are protein or glycoprotein molecules with a specific ability to bind to carbohydrates. From viruses to mammals, they are found in various organisms and exhibit remarkable diverse structures and functions. They are significant contributors to defense mechanisms against microbial attacks in plants. They are also involved in functions such as controlling lymphocyte migration, regulating glycoprotein biosynthesis, cell-cell recognition, and embryonic development in animals. In addition, lectins serve as invaluable molecular tools in various biological and medical disciplines due to their reversible binding ability and enable the monitoring of cell membrane changes in physiological and pathological contexts. Microbial lectins, often referred to as adhesins, play an important role in microbial colonization, pathogenicity, and interactions among microorganisms. Viral lectins are located in the bilayered viral membrane, whereas bacterial lectins are found intracellularly and on the bacterial cell surface. Microfungal lectins are typically intracellular and have various functions in host-parasite interaction, and in fungal growth and morphogenesis. Although microbial lectin studies are less extensive than those of plants and animals, they provide insights into the infection mechanisms and potential interventions. Glycan specificity, essential functions in infectious diseases, and applications in the diagnosis and treatment of viral and bacterial infections are critical aspects of microbial lectin research. In this review, we will discuss the application and therapeutic potential of viral, bacterial and microfungal lectins.
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Affiliation(s)
- Suna Bektas
- Institute of Graduate Studies in Sciences, Istanbul University, Istanbul 34116, Turkey.
| | - Engin Kaptan
- Istanbul University, Faculty of Science Department of Biology, 34134 Vezneciler, Istanbul, Turkey.
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2
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Bruneau A, Gillon E, Furiga A, Brachet E, Alami M, Roques C, Varrot A, Imberty A, Messaoudi S. Discovery of potent 1,1-diarylthiogalactoside glycomimetic inhibitors of Pseudomonas aeruginosa LecA with antibiofilm properties. Eur J Med Chem 2023; 247:115025. [PMID: 36549118 DOI: 10.1016/j.ejmech.2022.115025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/28/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022]
Abstract
In this work, β-thiogalactoside mimetics bearing 1,1-diarylmethylene or benzophenone aglycons have been prepared and assayed for their affinity towards LecA, a lectin and virulence factor from Pseudomonas aeruginosa involved in bacterial adhesion and biofilm formation. The hit compound presents higher efficiency than previously described monovalent inhibitors and the crystal structure confirmed the occurrence of additional contacts between the aglycone and the protein surface. The highest affinity (160 nM) was obtained for a divalent ligand containing two galactosides. The monovalent high affinity compound (Kd = 1 μM) obtained through structure-activity relationship (SAR) showed efficient antibiofilm activity with no associated bactericidal activity.
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Affiliation(s)
- Alexandre Bruneau
- BioCIS, Univ. Paris-Sud, CNRS, University Paris-Saclay, Châtenay-Malabry, France
| | - Emilie Gillon
- Université Grenoble Alpes, CNRS, CERMAV, 38000, Grenoble, France
| | - Aurélie Furiga
- LCG, Laboratoire de Génie Chimique (UMR 5503), Département Bioprocédés et Systèmes Microbiens, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Etienne Brachet
- BioCIS, Univ. Paris-Sud, CNRS, University Paris-Saclay, Châtenay-Malabry, France
| | - Mouad Alami
- BioCIS, Univ. Paris-Sud, CNRS, University Paris-Saclay, Châtenay-Malabry, France
| | - Christine Roques
- LCG, Laboratoire de Génie Chimique (UMR 5503), Département Bioprocédés et Systèmes Microbiens, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Annabelle Varrot
- Université Grenoble Alpes, CNRS, CERMAV, 38000, Grenoble, France
| | - Anne Imberty
- Université Grenoble Alpes, CNRS, CERMAV, 38000, Grenoble, France.
| | - Samir Messaoudi
- BioCIS, Univ. Paris-Sud, CNRS, University Paris-Saclay, Châtenay-Malabry, France.
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3
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Patil PD, Zheng H, Burns FN, Ibanez ACS, Jin Y, Luk YY. Chimeric Ligands of Pili and Lectin A Inhibit Tolerance, Persistence, and Virulence Factors of Pseudomonas aeruginosa over a Wide Range of Phenotypes. ACS Infect Dis 2022; 8:1582-1593. [PMID: 35658414 PMCID: PMC9379910 DOI: 10.1021/acsinfecdis.2c00201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
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Bacteria readily
form resilient phenotypes to counter environmental
and antibiotic stresses. Here, we demonstrate a class of small molecules
that inhibit a wide range of Pseudomonas aeruginosa phenotypes and enable antibiotics to kill previously tolerant bacteria,
preventing the transition of tolerant bacteria into a persistent population.
We identified two proteins, type IV pili and lectin LecA, as receptors
for our molecules by methods including a new label-free assay based
on bacterial motility sensing the chemicals in the environment, the
chemical inhibition of bacteriophage adsorption on pili appendages
of bacteria, and fluorescence polarization. Structure–activity
relationship studies reveal a molecule that inhibits only pili appendage
and a class of chimeric ligands that inhibit both LecA and pili. Important
structural elements of the ligand are identified for each protein.
This selective ligand binding identifies the phenotypes each protein
receptor controls. Inhibiting LecA results in reducing biofilm formation,
eliminating small colony variants, and is correlated with killing
previously tolerant bacteria. Inhibiting pili appendages impedes swarming
and twitching motilities and pyocyanin and elastase production. Because
these phenotypes are controlled by a broad range of signaling pathways,
this approach simultaneously controls the multiple signaling mechanisms
preventing bacteria to elude antibiotic treatments.
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Affiliation(s)
- Pankaj D Patil
- Department of Chemistry, Syracuse University, 1-014 Center of Science and Technology, Syracuse, New York 13244-4100, United States
| | - Hewen Zheng
- Department of Chemistry, Syracuse University, 1-014 Center of Science and Technology, Syracuse, New York 13244-4100, United States
| | - Felicia N Burns
- Department of Chemistry, Syracuse University, 1-014 Center of Science and Technology, Syracuse, New York 13244-4100, United States
| | - Arizza C S Ibanez
- Department of Chemistry, Syracuse University, 1-014 Center of Science and Technology, Syracuse, New York 13244-4100, United States
| | - Yuchen Jin
- Department of Chemistry, Syracuse University, 1-014 Center of Science and Technology, Syracuse, New York 13244-4100, United States
| | - Yan-Yeung Luk
- Department of Chemistry, Syracuse University, 1-014 Center of Science and Technology, Syracuse, New York 13244-4100, United States
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4
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Jiang Z, Nero T, Mukherjee S, Olson R, Yan J. Searching for the Secret of Stickiness: How Biofilms Adhere to Surfaces. Front Microbiol 2021; 12:686793. [PMID: 34305846 PMCID: PMC8295476 DOI: 10.3389/fmicb.2021.686793] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 05/28/2021] [Indexed: 01/01/2023] Open
Abstract
Bacterial biofilms are communities of cells enclosed in an extracellular polymeric matrix in which cells adhere to each other and to foreign surfaces. The development of a biofilm is a dynamic process that involves multiple steps, including cell-surface attachment, matrix production, and population expansion. Increasing evidence indicates that biofilm adhesion is one of the main factors contributing to biofilm-associated infections in clinics and biofouling in industrial settings. This review focuses on describing biofilm adhesion strategies among different bacteria, including Vibrio cholerae, Pseudomonas aeruginosa, and Staphylococcus aureus. Techniques used to characterize biofilm adhesion are also reviewed. An understanding of biofilm adhesion strategies can guide the development of novel approaches to inhibit or manipulate biofilm adhesion and growth.
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Affiliation(s)
- Zhaowei Jiang
- Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, CT, United States
| | - Thomas Nero
- Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, CT, United States
| | - Sampriti Mukherjee
- Department of Molecular Genetics and Cell Biology, University of Chicago, Chicago, IL, United States
| | - Rich Olson
- Department of Molecular Biology and Biochemistry, Molecular Biophysics Program, Wesleyan University, Middletown, CT, United States
| | - Jing Yan
- Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, CT, United States.,Quantitative Biology Institute, Yale University, New Haven, CT, United States
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Schulze A, Mitterer F, Pombo JP, Schild S. Biofilms by bacterial human pathogens: Clinical relevance - development, composition and regulation - therapeutical strategies. MICROBIAL CELL (GRAZ, AUSTRIA) 2021; 8:28-56. [PMID: 33553418 PMCID: PMC7841849 DOI: 10.15698/mic2021.02.741] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 01/08/2021] [Accepted: 01/12/2021] [Indexed: 12/19/2022]
Abstract
Notably, bacterial biofilm formation is increasingly recognized as a passive virulence factor facilitating many infectious disease processes. In this review we will focus on bacterial biofilms formed by human pathogens and highlight their relevance for diverse diseases. Along biofilm composition and regulation emphasis is laid on the intensively studied biofilms of Vibrio cholerae, Pseudomonas aeruginosa and Staphylococcus spp., which are commonly used as biofilm model organisms and therefore contribute to our general understanding of bacterial biofilm (patho-)physiology. Finally, therapeutical intervention strategies targeting biofilms will be discussed.
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Affiliation(s)
- Adina Schulze
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50, 8010 Graz, Austria
- A.S. and F.M. contributed equally to this work
| | - Fabian Mitterer
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50, 8010 Graz, Austria
- A.S. and F.M. contributed equally to this work
| | - Joao P. Pombo
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50, 8010 Graz, Austria
| | - Stefan Schild
- Institute of Molecular Biosciences, University of Graz, Humboldtstrasse 50, 8010 Graz, Austria
- BioTechMed Graz, Austria
- Field of Excellence Biohealth – University of Graz, Graz, Austria
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Abstract
LecA/PA-IL (Pfam PF07828) is a soluble galactose-binding lectin from bacterium Pseudomonas aeruginosa. The lectin is specific for α-galactose present on glycosphingolipids of the globoside family and has therefore been proposed to play a role in cell adhesion and in internalization of bacteria in epithelial cells. The lectin has also direct toxic activity. Search for high-affinity inhibitors can be performed on the recombinant lectin, with use of surface plasmon resonance assays and structural studies.
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Palmioli A, Sperandeo P, Polissi A, Airoldi C. Targeting Bacterial Biofilm: A New LecA Multivalent Ligand with Inhibitory Activity. Chembiochem 2019; 20:2911-2915. [DOI: 10.1002/cbic.201900383] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Indexed: 12/24/2022]
Affiliation(s)
- Alessandro Palmioli
- Department of Biotechnology and BiosciencesUniversity of Milano–Bicocca Piazza della Scienza 2 20126 Milano Italy
| | - Paola Sperandeo
- Department of Pharmacological and Biomolecular SciencesUniversity of Milano Via Balzaretti, 9/11/13 20133 Milano Italy
| | - Alessandra Polissi
- Department of Pharmacological and Biomolecular SciencesUniversity of Milano Via Balzaretti, 9/11/13 20133 Milano Italy
| | - Cristina Airoldi
- Department of Biotechnology and BiosciencesUniversity of Milano–Bicocca Piazza della Scienza 2 20126 Milano Italy
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8
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Functional Glyco-Nanogels for Multivalent Interaction with Lectins. Molecules 2019; 24:molecules24101865. [PMID: 31096570 PMCID: PMC6572176 DOI: 10.3390/molecules24101865] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 05/03/2019] [Accepted: 05/14/2019] [Indexed: 12/31/2022] Open
Abstract
Interactions between glycans and proteins have tremendous impact in biomolecular interactions. They are important for cell–cell interactions, proliferation and much more. Here, we emphasize the glycan-mediated interactions between pathogens and host cells. Pseudomonas aeruginosa, responsible for a huge number of nosocomial infections, is especially the focus when it comes to glycan-derivatives as pathoblockers. We present a microwave assisted protecting group free synthesis of glycomonomers based on lactose, melibiose and fucose. The monomers were polymerized in a precipitation polymerization in the presence of NiPAm to form crosslinked glyco-nanogels. The influence of reaction parameters like crosslinker type or stabilizer amount was investigated. The gels were characterized in lectin binding studies using model lectins and showed size and composition-dependent inhibition of lectin binding. Due to multivalent presentation of glycans in the gel, the inhibition was clearly stronger than with unmodified saccharides, which was compared after determination of the glycan loading. First studies with Pseudomonas aeruginosa revealed a surprising influence on the secretion of virulence factors. Functional glycogels may be in the future potent alternatives or adjuvants for antibiotic treatment of infections based on glycan interactions between host and pathogen.
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9
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Portier F, Imberty A, Halila S. Expeditious Synthesis of C-Glycosyl Barbiturate Ligands of Bacterial Lectins: From Monomer Design to Glycoclusters and Glycopolymers. Bioconjug Chem 2018; 30:647-656. [DOI: 10.1021/acs.bioconjchem.8b00847] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- François Portier
- Université Grenoble Alpes, CNRS, CERMAV, 38000 Grenoble, France
- Université Grenoble Alpes, CNRS, CEA, INAC, SyMMES, 38000 Grenoble, France
| | - Anne Imberty
- Université Grenoble Alpes, CNRS, CERMAV, 38000 Grenoble, France
| | - Sami Halila
- Université Grenoble Alpes, CNRS, CERMAV, 38000 Grenoble, France
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10
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Identification, Characterization, and X-ray Crystallographic Analysis of a Novel Type of Lectin AJLec from the Sea Anemone Anthopleura japonica. Sci Rep 2018; 8:11516. [PMID: 30068923 PMCID: PMC6070535 DOI: 10.1038/s41598-018-29498-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 07/12/2018] [Indexed: 12/14/2022] Open
Abstract
A novel galactose-specific lectin, AJLec (18.5 kDa), was isolated from the sea anemone, Anthopleura japonica. AJLec was characterized using the hemagglutination assay, isothermal titration calorimetry (ITC), and glycoconjugate microarray analysis and we found that AJLec has a specificity for galactose monomers and β-linked terminal galactose residues in complex carbohydrates, but not for N-acetylgalactosamine (GalNAc), which is commonly recognized by galactose-binding lectins. The primary structure of AJLec did not show homology with known lectins, and a crystal structural analysis also revealed a unique homodimeric structure. The crystal structure of AJLec complexed with lactose was solved by measuring the sulfur single-wavelength anomalous diffraction (S-SAD) phasing with an in-house Cu Kα source method. This analysis revealed that the galactose residue in lactose was recognized via its O2, O3, and O4 hydroxyl groups and ring oxygen by calcium coordination and two hydrogen bonds with residues in the carbohydrate-binding site, which demonstrated strict specificity for the β-linked terminal galactose in this lectin.
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11
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Bahamondez-Canas T, Smyth HDC. Influence of Excipients on the Antimicrobial Activity of Tobramycin Against Pseudomonas aeruginosa Biofilms. Pharm Res 2018; 35:10. [PMID: 29294187 DOI: 10.1007/s11095-017-2301-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 11/03/2017] [Indexed: 10/18/2022]
Abstract
PURPOSE It is unknown if inactive pharmaceutical ingredients influence the activity of antibiotics they are co-formulated with. Recently it was found that materials acting as carbon nutrient sources for bacteria can promote bacterial dispersion from a biofilm and/or reverse the persister state of a subpopulation of bacteria within the biofilms. Both can make bacteria more susceptible to antibiotics. Thus, the aim was to identify potential excipients to improve antibiotic activity in Pseudomonas aeruginosa biofilms. METHODS We screened 190 potential excipients alone, and in combination with tobramycin sulfate against P. aeruginosa (strain PAO1) grown planktonically or as biofilms. After the excipient screening stage, we investigated the effect of 10 selected excipients against a more virulent strain (luminescent strain UCBPP-PA14). Temporal changes in luminescence, as an indicator of bacterial proliferation, and surviving colony forming units (CFUs) from the treated PA14 biofilms were quantified. RESULTS Forty-eight materials tested caused a reduction of PAO1 proliferation either alone or combined with tobramycin. L-alanine (p < 0.05), D-alanine (p > 0.05), and N-acetyl-D-glucosaminitol (p > 0.05) improved the activity of tobramycin measured by PA14 luminometry. Additionally, L-alanine and succinic acid significantly reduced the survival of PA14 biofilms (p < 0.05). CONCLUSIONS L-alanine, succinic acid, and N-acetyl-D-glucosaminitol may be useful as antibiotic adjuvants in future tobramycin anti-biofilm formulations.
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Affiliation(s)
- Tania Bahamondez-Canas
- Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, 2409 University Ave, A1920, Austin, Texas, 78712, USA
| | - Hugh D C Smyth
- Division of Molecular Pharmaceutics and Drug Delivery, College of Pharmacy, The University of Texas at Austin, 2409 University Ave, A1920, Austin, Texas, 78712, USA. .,Center for Infectious Disease, The University of Texas at Austin, Austin, Texas, USA.
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12
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Angeli A, Dupin L, Madaoui M, Li M, Vergoten G, Wang S, Meyer A, Géhin T, Vidal S, Vasseur JJ, Chevolot Y, Morvan F. Glycoclusters with Additional Functionalities for Binding to the LecA Lectin from Pseudomonas aeruginosa. ChemistrySelect 2017. [DOI: 10.1002/slct.201702131] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Anthony Angeli
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247; Université Montpellier, CNRS, ENSCM; Place Eugène Bataillon, CC1704 34095 Montpellier cedex 5 France
| | - Lucie Dupin
- Université de Lyon; Ecole centrale de Lyon, CNRS; Institut des Nanotechnologies de Lyon (INL), UMR CNRS 5270; Site Ecole Centrale de Lyon; 36 avenue Guy de Collongue 69134 Ecully cedex France
| | - Mimouna Madaoui
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247; Université Montpellier, CNRS, ENSCM; Place Eugène Bataillon, CC1704 34095 Montpellier cedex 5 France
| | - Muchen Li
- Université de Lyon; Ecole centrale de Lyon, CNRS; Institut des Nanotechnologies de Lyon (INL), UMR CNRS 5270; Site Ecole Centrale de Lyon; 36 avenue Guy de Collongue 69134 Ecully cedex France
| | - Gérard Vergoten
- Unité de Glycobiologie Structurelle et Fonctionnelle (UGSF) - UMR 8576 CNRS; Université de Lille 1, Cité Scientifique; Avenue Mendeleiev, Bat C9 59655 Villeneuve d'Ascq cedex France
| | - Shuai Wang
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires; Laboratoire de Chimie Organique 2 - Glycochimie UMR 5246, CNRS; Université Claude Bernard Lyon 1; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
| | - Albert Meyer
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247; Université Montpellier, CNRS, ENSCM; Place Eugène Bataillon, CC1704 34095 Montpellier cedex 5 France
| | - Thomas Géhin
- Université de Lyon; Ecole centrale de Lyon, CNRS; Institut des Nanotechnologies de Lyon (INL), UMR CNRS 5270; Site Ecole Centrale de Lyon; 36 avenue Guy de Collongue 69134 Ecully cedex France
| | - Sébastien Vidal
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires; Laboratoire de Chimie Organique 2 - Glycochimie UMR 5246, CNRS; Université Claude Bernard Lyon 1; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
| | - Jean-Jacques Vasseur
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247; Université Montpellier, CNRS, ENSCM; Place Eugène Bataillon, CC1704 34095 Montpellier cedex 5 France
| | - Yann Chevolot
- Université de Lyon; Ecole centrale de Lyon, CNRS; Institut des Nanotechnologies de Lyon (INL), UMR CNRS 5270; Site Ecole Centrale de Lyon; 36 avenue Guy de Collongue 69134 Ecully cedex France
| | - François Morvan
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247; Université Montpellier, CNRS, ENSCM; Place Eugène Bataillon, CC1704 34095 Montpellier cedex 5 France
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13
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Angeli A, Li M, Dupin L, Vergoten G, Noël M, Madaoui M, Wang S, Meyer A, Géhin T, Vidal S, Vasseur JJ, Chevolot Y, Morvan F. Design and Synthesis of Galactosylated Bifurcated Ligands with Nanomolar Affinity for Lectin LecA from Pseudomonas aeruginosa. Chembiochem 2017; 18:1036-1047. [DOI: 10.1002/cbic.201700154] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Anthony Angeli
- Institut des Biomolécules Max Mousseron (IBMM); UMR 5247; CNRS; Université Montpellier; ENSCM; Place Eugène Bataillon CC1704 34095 Montpellier cedex 5 France
| | - Muchen Li
- Université de Lyon; Institut des Nanotechnologies de Lyon; INL); UMR CNRS 5270; Site Ecole Centrale de Lyon; 36 avenue Guy de Collongue 69134 Ecully cedex France
| | - Lucie Dupin
- Université de Lyon; Institut des Nanotechnologies de Lyon; INL); UMR CNRS 5270; Site Ecole Centrale de Lyon; 36 avenue Guy de Collongue 69134 Ecully cedex France
| | - Gérard Vergoten
- Unité de Glycobiologie Structurelle et Fonctionnelle; UGSF); UMR 8576 CNRS; Université de Lille 1; Cité Scientifique; Avenue Mendeleiev Bat. C9 59655 Villeneuve d'Ascq cedex France
| | - Mathieu Noël
- Institut des Biomolécules Max Mousseron (IBMM); UMR 5247; CNRS; Université Montpellier; ENSCM; Place Eugène Bataillon CC1704 34095 Montpellier cedex 5 France
| | - Mimouna Madaoui
- Institut des Biomolécules Max Mousseron (IBMM); UMR 5247; CNRS; Université Montpellier; ENSCM; Place Eugène Bataillon CC1704 34095 Montpellier cedex 5 France
| | - Shuai Wang
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires; Laboratoire de Chimie Organique 2; Glycochimie UMR 5246; CNRS; Université Claude Bernard Lyon 1; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
| | - Albert Meyer
- Institut des Biomolécules Max Mousseron (IBMM); UMR 5247; CNRS; Université Montpellier; ENSCM; Place Eugène Bataillon CC1704 34095 Montpellier cedex 5 France
| | - Thomas Géhin
- Université de Lyon; Institut des Nanotechnologies de Lyon; INL); UMR CNRS 5270; Site Ecole Centrale de Lyon; 36 avenue Guy de Collongue 69134 Ecully cedex France
| | - Sébastien Vidal
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires; Laboratoire de Chimie Organique 2; Glycochimie UMR 5246; CNRS; Université Claude Bernard Lyon 1; 43 Boulevard du 11 Novembre 1918 69622 Villeurbanne France
| | - Jean-Jacques Vasseur
- Institut des Biomolécules Max Mousseron (IBMM); UMR 5247; CNRS; Université Montpellier; ENSCM; Place Eugène Bataillon CC1704 34095 Montpellier cedex 5 France
| | - Yann Chevolot
- Université de Lyon; Institut des Nanotechnologies de Lyon; INL); UMR CNRS 5270; Site Ecole Centrale de Lyon; 36 avenue Guy de Collongue 69134 Ecully cedex France
| | - François Morvan
- Institut des Biomolécules Max Mousseron (IBMM); UMR 5247; CNRS; Université Montpellier; ENSCM; Place Eugène Bataillon CC1704 34095 Montpellier cedex 5 France
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Molecular simulations of lactose-bound and unbound forms of the FaeG adhesin reveal critical amino acids involved in sugar binding. J Mol Graph Model 2016; 70:100-108. [DOI: 10.1016/j.jmgm.2016.10.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 10/03/2016] [Accepted: 10/03/2016] [Indexed: 12/26/2022]
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15
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Abstract
Proteinaceous components of the biofilm matrix include secreted extracellular proteins, cell surface adhesins, and protein subunits of cell appendages such as flagella and pili. Biofilm matrix proteins play diverse roles in biofilm formation and dissolution. They are involved in attaching cells to surfaces, stabilizing the biofilm matrix via interactions with exopolysaccharide and nucleic acid components, developing three-dimensional biofilm architectures, and dissolving biofilm matrix via enzymatic degradation of polysaccharides, proteins, and nucleic acids. In this article, we will review functions of matrix proteins in a selected set of microorganisms, studies of the matrix proteomes of Vibrio cholerae and Pseudomonas aeruginosa, and roles of outer membrane vesicles and of nucleoid-binding proteins in biofilm formation.
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