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Kranjec C, Mathew JP, Ovchinnikov K, Fadayomi I, Yang Y, Kjos M, Li WW. A bacteriocin-based coating strategy to prevent vancomycin-resistant Enterococcus faecium biofilm formation on materials of interest for indwelling medical devices. Biofilm 2024; 8:100211. [PMID: 39071174 PMCID: PMC11282937 DOI: 10.1016/j.bioflm.2024.100211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 06/22/2024] [Accepted: 07/02/2024] [Indexed: 07/30/2024] Open
Abstract
The ever-increasing use of exogenous materials as indwelling medical devices in modern medicine offers to pathogens new ways to gain access to human body and begin, in some cases, life threatening infections. Biofouling of such materials with bacteria or fungi is a major concern during surgeries, since this is often associated with biofilm formation and difficult to treat, recalcitrant infections. Intense research efforts have therefore developed several strategies to shield the medical devices' surface from colonization by pathogenic microorganisms. Here, we used dopamine as a coupling agent to coat four different materials of medical interest (plastic polyetheretherketone (PEEK), stainless steel, titanium and silicone catheter) with the bacteriocins, enterocin EJ97-short and the thiopeptide micrococcin P1. Water contact angle measurements and x-ray photoelectron spectroscopy were used to verify the effective coating of the materials. The effect of bacteriocins coated on these materials on the biofilm formation by a vancomycin resistant Enterococcus faecium (VRE) strain was studied by biofilm-oriented antimicrobial test (BOAT) and electron scanning microscopy. The in vitro biocompatibility of bacteriocin-modified biomaterials was tested on cultured human cells. The results demonstrated that the binding of the bacteriocins to the implant surfaces is achieved, and the two bacteriocins in combination could inhibit biofilm formation by E. faecium on all four materials. The modified implant showed no cytotoxicity to the human cells tested. Therefore, surface modification with the two bacteriocins may offer a novel and effective way to prevent biofilm formation on a wide range of implant materials.
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Affiliation(s)
- Christian Kranjec
- Laboratory of Microbial Gene Technology, Faculty of Chemistry, Biotechnology and Food Science. Norwegian University of Life Sciences, 1430, Ås, Norway
| | - Jills Puthiaparambil Mathew
- School of Pharmacy and Bioengineering, Guy Hilton Research Centre, Keele University, Stoke-on-Trent, ST4 7QB, UK
| | - Kirill Ovchinnikov
- Laboratory of Microbial Gene Technology, Faculty of Chemistry, Biotechnology and Food Science. Norwegian University of Life Sciences, 1430, Ås, Norway
| | - Idowu Fadayomi
- School of Pharmacy and Bioengineering, Guy Hilton Research Centre, Keele University, Stoke-on-Trent, ST4 7QB, UK
| | - Ying Yang
- School of Pharmacy and Bioengineering, Guy Hilton Research Centre, Keele University, Stoke-on-Trent, ST4 7QB, UK
| | - Morten Kjos
- Laboratory of Microbial Gene Technology, Faculty of Chemistry, Biotechnology and Food Science. Norwegian University of Life Sciences, 1430, Ås, Norway
| | - Wen-Wu Li
- School of Pharmacy and Bioengineering, Guy Hilton Research Centre, Keele University, Stoke-on-Trent, ST4 7QB, UK
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2
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Mujtaba AG, Toprak Ö, Karakeçili A. A grafting approach for nisin-chitosan bio-based antibacterial films: preparation and characterization. Biomed Mater 2024; 19:055029. [PMID: 39079550 DOI: 10.1088/1748-605x/ad6965] [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: 04/05/2024] [Accepted: 07/30/2024] [Indexed: 08/10/2024]
Abstract
Nisin is a bacteriocin produced by Gram-positive lactic acid bacterium,Lactococcus lactisand currently recognized in the Generally Recognızed as Safe (GRAS) category due to its non-toxicity. Herein, nisin has been grafted to chitosan structure to obtain natural bio-active films with enhanced antibacterial activity. Grafting was performed using ethyl ester lysine diisocyanate and dimer fatty acid-based diisocyanate (DDI); two different close to fully bio-based diisocyanates and Disuccinimidyl suberate; a homo-bifunctional molecule acting as a crosslinker between amino groups. The grafting process allowed the chemical immobilization of nisin to chitosan structure. Physicochemical characterization studies showed the successful grafting of nisin. The antibacterial activity againstStaphylococcus aureuswas evident for all nisin modified chitosan films and best pronounced when DDI was used as a crosslinker with a maximum zone of inhibition of ∼13 mm. All nisin grafted chitosan films were cytocompatible and the cell viability of L929 fibroblasts were >80% pointing out the non-toxic structure. Considering the results of the presented study, bio-based diisocyanates and homo-bifunctional crosslinkers are effective molecules in synthesis of nisin grafted chitosan structures and the new chitosan based antibacterial biopolymers obtained after nisin modification come forward as promising non-toxic and bioactive candidates to be applied in medical devices, implants, and various food coating products.
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Affiliation(s)
- Ayse Gunyakti Mujtaba
- Institute of Biotechnology, Ankara University, Gümüşdere 60. Yıl Yerleşkesi, Keçiören, 06135 Ankara, Turkey
| | - Özge Toprak
- Department of Chemical Engineering, Faculty of Engineering, Ankara University, Tandoğan, 06100 Ankara, Turkey
- Graduate School of Natural and Applied Sciences, Ankara University, Dışkapı, 06110 Ankara, Turkey
| | - Ayşe Karakeçili
- Department of Chemical Engineering, Faculty of Engineering, Ankara University, Tandoğan, 06100 Ankara, Turkey
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3
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Joseph DP, Rajchakit U, Pilkington LI, Sarojini V, Barker D. Antimicrobial fibres derived from aryl-diazonium conjugation of chitosan with Harakeke (Phormium tenax) and Hemp (Cannabis sativa) Hurd. Int J Biol Macromol 2024; 264:130840. [PMID: 38548496 DOI: 10.1016/j.ijbiomac.2024.130840] [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: 11/30/2023] [Revised: 03/04/2024] [Accepted: 03/11/2024] [Indexed: 04/10/2024]
Abstract
Surface functionalisation of natural materials to develop sustainable and environmentally friendly antimicrobial fibres has received great research interest in recent years. Herein, chitosan covalent conjugation via aryl-diazonium based chemistry onto Phormium tenax fibres (PTF) and hemp hurds (HH) was investigated. PTF are fibres derived from Harakeke/New Zealand flax, an indigenous and abundant plant source of leaf fibres, which served as an important 19th century export commodity of New Zealand. HH are obtained as a by-product from the hemp (Cannabis sativa) industry and find applications as traditional construction material, animal bedding, chemical absorbent, insulation, fireboard etc. This study reports aryl-diazonium covalent attachment of chitosan and PD13 (6-O-(3-(2-(N,N-dimethylamino)ethylamino)-2-hydroxypropyl)chitosan), a chitosan derivative with improved antibacterial activity, on to PTF and HH. The modification was confirmed using FTIR, XPS, SEM and water contact angle studies. Comparison of aryl-diazonium versus the use of succinic anhydride bridging for chitosan attachment was also investigated, with the diazonium method giving improved results. The treated PTF and HH fibres had good antibacterial activity against Staphylococcus aureus and this study contributes to the development of sustainable antibacterial fibres using bio-based materials.
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Affiliation(s)
- Delsa Pulickal Joseph
- School of Chemical Sciences, University of Auckland, 23 Symonds St., Auckland 1010, New Zealand
| | - Urawadee Rajchakit
- School of Chemical Sciences, University of Auckland, 23 Symonds St., Auckland 1010, New Zealand; The MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, PO Box 600, Wellington, New Zealand
| | - Lisa I Pilkington
- School of Chemical Sciences, University of Auckland, 23 Symonds St., Auckland 1010, New Zealand; Te Pūnaha Matatini, Auckland 1142, New Zealand
| | - Vijayalekshmi Sarojini
- School of Chemical Sciences, University of Auckland, 23 Symonds St., Auckland 1010, New Zealand; The MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, PO Box 600, Wellington, New Zealand
| | - David Barker
- School of Chemical Sciences, University of Auckland, 23 Symonds St., Auckland 1010, New Zealand; The MacDiarmid Institute for Advanced Materials and Nanotechnology, Victoria University of Wellington, PO Box 600, Wellington, New Zealand.
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4
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Antiviral Peptides in Antimicrobial Surface Coatings—From Current Techniques to Potential Applications. Viruses 2023; 15:v15030640. [PMID: 36992349 PMCID: PMC10051592 DOI: 10.3390/v15030640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 03/06/2023] Open
Abstract
The transmission of pathogens through contact with contaminated surfaces is an important route for the spread of infections. The recent outbreak of COVID-19 highlights the necessity to attenuate surface-mediated transmission. Currently, the disinfection and sanitization of surfaces are commonly performed in this regard. However, there are some disadvantages associated with these practices, including the development of antibiotic resistance, viral mutation, etc.; hence, a better strategy is necessary. In recent years, peptides have been studied to be utilized as a potential alternative. They are part of the host immune defense and have many potential in vivo applications in drug delivery, diagnostics, immunomodulation, etc. Additionally, the ability of peptides to interact with different molecules and membrane surfaces of microorganisms has made it possible to exploit them in ex vivo applications such as antimicrobial (antibacterial and antiviral) coatings. Although antibacterial peptide coatings have been studied extensively and proven to be effective, antiviral coatings are a more recent development. Therefore, this study aims to highlight antiviral coating strategies and the current practices and application of antiviral coating materials in personal protective equipment, healthcare devices, and textiles and surfaces in public settings. Here, we have presented a review on potential techniques to incorporate peptides in current surface coating strategies that will serve as a guide for developing cost-effective, sustainable and coherent antiviral surface coatings. We further our discussion to highlight some challenges of using peptides as a surface coating material and to examine future perspectives.
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5
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Park YJ, Kim YJ, Yu HH, Lee NK, Paik HD. Cell-free supernatants of Bacillus subtilis and Bacillus polyfermenticus inhibit Listeria monocytogenes biofilm formation. Food Control 2023. [DOI: 10.1016/j.foodcont.2022.109387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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6
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The Potential of Surface-Immobilized Antimicrobial Peptides for the Enhancement of Orthopaedic Medical Devices: A Review. Antibiotics (Basel) 2023; 12:antibiotics12020211. [PMID: 36830122 PMCID: PMC9952162 DOI: 10.3390/antibiotics12020211] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/16/2023] [Accepted: 01/17/2023] [Indexed: 01/21/2023] Open
Abstract
Due to the well-known phenomenon of antibiotic resistance, there is a constant need for antibiotics with novel mechanisms and different targets respect to those currently in use. In this regard, the antimicrobial peptides (AMPs) seem very promising by virtue of their bactericidal action, based on membrane permeabilization of susceptible microbes. Thanks to this feature, AMPs have a broad activity spectrum, including antibiotic-resistant strains, and microbial biofilms. Additionally, several AMPs display properties that can help tissue regeneration. A possible interesting field of application for AMPs is the development of antimicrobial coatings for implantable medical devices (e.g., orthopaedic prostheses) to prevent device-related infection. In this review, we will take note of the state of the art of AMP-based coatings for orthopaedic prostheses. We will review the most recent studies by focusing on covalently linked AMPs to titanium, their antimicrobial efficacy and plausible mode of action, and cytocompatibility. We will try to extrapolate some general rules for structure-activity (orientation, density) relationships, in order to identify the most suitable physical and chemical features of peptide candidates, and to optimize the coupling strategies to obtain antimicrobial surfaces with improved biological performance.
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7
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Lallukka M, Gamna F, Gobbo VA, Prato M, Najmi Z, Cochis A, Rimondini L, Ferraris S, Spriano S. Surface Functionalization of Ti6Al4V-ELI Alloy with Antimicrobial Peptide Nisin. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:4332. [PMID: 36500956 PMCID: PMC9737843 DOI: 10.3390/nano12234332] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 12/02/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
Implant-associated infections are a severe global concern, especially in the case of orthopedic implants intended for long-term or permanent use. The traditional treatment through systemic antibiotic administration is often inefficient due to biofilm formation, and concerns regarding the development of highly resistant bacteria. Therefore, there is an unfulfilled need for antibiotic-free alternatives that could simultaneously support bone regeneration and prevent bacterial infection. This study aimed to perform, optimize, and characterize the surface functionalization of Ti6Al4V-ELI discs by an FDA-approved antimicrobial peptide, nisin, known to hold a broad antibacterial spectrum. Accordingly, nisin bioactivity was also evaluated by in vitro release tests both in physiological and inflammatory pH conditions. Several methods, such as X-ray photoelectron spectroscopy (XPS), and Kelvin Probe atomic force microscopy confirmed the presence of a physisorbed nisin layer on the alloy surface. The functionalization performed at pH 6-7 was found to be especially effective due to the nisin configuration exposing its hydrophobic tail outwards, which is also responsible for its antimicrobial action. In addition, the first evidence of gradual nisin release both in physiological and inflammatory conditions was obtained: the static contact angle becomes half of the starting one after 7 days of soaking on the functionalized sample, while it becomes 0° on the control samples. Finally, the evaluation of the antibacterial performance toward the pathogen Staphylococcus aureus after 24 h of inoculation showed the ability of nisin adsorbed at pH 6 to prevent bacterial microfouling into biofilm-like aggregates in comparison with the uncoated specimens: viable bacterial colonies showed a reduction of about 40% with respect to the un-functionalized surface and the formation of (microcolonies (biofilm-like aggregates) is strongly affected.
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Affiliation(s)
- Mari Lallukka
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Francesca Gamna
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Virginia Alessandra Gobbo
- Faculty of Medicine and Health Technology, Laboratory of Biomaterials and Tissue Engineering, Tampere University, Korkeakoulunkatu 3, 33720 Tampere, Finland
| | - Mirko Prato
- Materials Characterization Facility, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Ziba Najmi
- Department of Health Sciences, Center for Translational Research on Autoimmune and Allergic Diseases—CAAD, Università Del Piemonte Orientale UPO, Corso Trieste 15/A, 28100 Novara, Italy
| | - Andrea Cochis
- Department of Health Sciences, Center for Translational Research on Autoimmune and Allergic Diseases—CAAD, Università Del Piemonte Orientale UPO, Corso Trieste 15/A, 28100 Novara, Italy
| | - Lia Rimondini
- Department of Health Sciences, Center for Translational Research on Autoimmune and Allergic Diseases—CAAD, Università Del Piemonte Orientale UPO, Corso Trieste 15/A, 28100 Novara, Italy
| | - Sara Ferraris
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Silvia Spriano
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
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8
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Doh H, Nitin N. Gelatin-based rechargeable antibacterial hydrogel paint coating for reducing cross-contamination and biofilm formation on stainless steel. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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9
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Nature-Inspired Antimicrobial Surfaces and Their Potential Applications in Food Industries. Foods 2022; 11:foods11060844. [PMID: 35327267 PMCID: PMC8949295 DOI: 10.3390/foods11060844] [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: 02/14/2022] [Revised: 03/09/2022] [Accepted: 03/12/2022] [Indexed: 11/16/2022] Open
Abstract
Antimicrobial resistance (AMR) is a growing global concern and has called for the integration of different areas of expertise for designing robust solutions. One such approach is the development of antimicrobial surfaces to combat the emerging resistance in microbes against drugs and disinfectants. This review is a compressive summary of the work done in the field of material science, chemistry, and microbiology in the development of antimicrobial materials and surfaces that are inspired by examples in nature. The focus includes examples of natural antimicrobial surfaces, such as cicada wings or nanopillars, dragonfly wings, shrimp shells, taro leaves, lotus leaves, sharkskin, gecko skin, and butterfly wings, along with their mechanism of action. Techniques, compositions, and combinations that have been developed to synthetically mimic these surfaces against bacterial/viral and fungal growth in food-processing areas have also been discussed. The applications of synthetic mimics of natural antimicrobial surfaces in food-processing environments is still a naïve area of research. However, this review highlights the potential applications of natural antimicrobial surfaces in the food-processing environment as well as outlines the challenges that need mitigations.
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10
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Bertani R, Bartolozzi A, Pontefisso A, Quaresimin M, Zappalorto M. Improving the Antimicrobial and Mechanical Properties of Epoxy Resins via Nanomodification: An Overview. Molecules 2021; 26:5426. [PMID: 34500859 PMCID: PMC8434237 DOI: 10.3390/molecules26175426] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 08/21/2021] [Indexed: 12/25/2022] Open
Abstract
The main purpose of this work is to provide a comprehensive overview on the preparation of multifunctional epoxies, with improved antimicrobial activity and enhanced mechanical properties through nanomodification. In the first section, we focus on the approaches to achieve antimicrobial activity, as well as on the methods used to evaluate their efficacy against bacteria and fungi. Relevant application examples are also discussed, with particular reference to antifouling and anticorrosion coatings for marine environments, dental applications, antimicrobial fibers and fabrics, and others. Subsequently, we discuss the mechanical behaviors of nanomodified epoxies with improved antimicrobial properties, analyzing the typical damage mechanisms leading to the significant toughening effect of nanomodification. Some examples of mechanical properties of nanomodified polymers are provided. Eventually, the possibility of achieving, at the same time, antimicrobial and mechanical improvement capabilities by nanomodification with nanoclay is discussed, with reference to both nanomodified epoxies and glass/epoxy composite laminates. According to the literature, a nanomodified epoxy can successfully exhibit antibacterial properties, while increasing its fracture toughness, even though its tensile strength may decrease. As for laminates-obtaining antibacterial properties is not followed by improved interlaminar properties.
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Affiliation(s)
- Roberta Bertani
- Department of Industrial Engineering, University of Padova, Via F. Marzolo 9, 35131 Padova, Italy;
| | - Alessandra Bartolozzi
- Department of Industrial Engineering, University of Padova, Via F. Marzolo 9, 35131 Padova, Italy;
| | - Alessandro Pontefisso
- Department of Management and Engineering, University of Padova, stradella S. Nicola 3, 36100 Vicenza, Italy; (A.P.); (M.Q.)
| | - Marino Quaresimin
- Department of Management and Engineering, University of Padova, stradella S. Nicola 3, 36100 Vicenza, Italy; (A.P.); (M.Q.)
| | - Michele Zappalorto
- Department of Management and Engineering, University of Padova, stradella S. Nicola 3, 36100 Vicenza, Italy; (A.P.); (M.Q.)
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11
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Cunliffe AJ, Askew PD, Stephan I, Iredale G, Cosemans P, Simmons LM, Verran J, Redfern J. How Do We Determine the Efficacy of an Antibacterial Surface? A Review of Standardised Antibacterial Material Testing Methods. Antibiotics (Basel) 2021; 10:1069. [PMID: 34572650 PMCID: PMC8472414 DOI: 10.3390/antibiotics10091069] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 08/31/2021] [Accepted: 09/01/2021] [Indexed: 11/16/2022] Open
Abstract
Materials that confer antimicrobial activity, be that by innate property, leaching of biocides or design features (e.g., non-adhesive materials) continue to gain popularity to combat the increasing and varied threats from microorganisms, e.g., replacing inert surfaces in hospitals with copper. To understand how efficacious these materials are at controlling microorganisms, data is usually collected via a standardised test method. However, standardised test methods vary, and often the characteristics and methodological choices can make it difficult to infer that any perceived antimicrobial activity demonstrated in the laboratory can be confidently assumed to an end-use setting. This review provides a critical analysis of standardised methodology used in academia and industry, and demonstrates how many key methodological choices (e.g., temperature, humidity/moisture, airflow, surface topography) may impact efficacy assessment, highlighting the need to carefully consider intended antimicrobial end-use of any product.
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Affiliation(s)
- Alexander J. Cunliffe
- Department of Natural Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK;
| | - Peter D. Askew
- (Industrial Microbiological Services Ltd.) IMSL, Pale Lane, Hartley Whitney, Hants RG27 8DH, UK; (P.D.A.); (G.I.)
| | - Ina Stephan
- (Bundesanstalt für Materialforschung und -prüfung) BAM, Unter den Eichen 87, 12205 Berlin, Germany;
| | - Gillian Iredale
- (Industrial Microbiological Services Ltd.) IMSL, Pale Lane, Hartley Whitney, Hants RG27 8DH, UK; (P.D.A.); (G.I.)
| | | | - Lisa M. Simmons
- Department of Engineering, Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK;
| | - Joanna Verran
- Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK;
| | - James Redfern
- Department of Natural Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester M1 5GD, UK;
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12
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Tong J, Zhang Z, Wu Q, Huang Z, Malakar PK, Chen L, Liu H, Pan Y, Zhao Y. Antibacterial peptides from seafood: A promising weapon to combat bacterial hazards in food. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.108004] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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13
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de Castro KC, Costa JM. Polymeric surfaces with biocidal action: challenges imposed by the SARS-CoV-2, technologies employed, and future perspectives. JOURNAL OF POLYMER RESEARCH 2021. [PMCID: PMC8165346 DOI: 10.1007/s10965-021-02548-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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14
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DeFlorio W, Liu S, White AR, Taylor TM, Cisneros-Zevallos L, Min Y, Scholar EMA. Recent developments in antimicrobial and antifouling coatings to reduce or prevent contamination and cross-contamination of food contact surfaces by bacteria. Compr Rev Food Sci Food Saf 2021; 20:3093-3134. [PMID: 33949079 DOI: 10.1111/1541-4337.12750] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/28/2021] [Accepted: 03/06/2021] [Indexed: 12/29/2022]
Abstract
Illness as the result of ingesting bacterially contaminated foodstuffs represents a significant annual loss of human quality of life and economic impact globally. Significant research investment has recently been made in developing new materials that can be used to construct food contacting tools and surfaces that might minimize the risk of cross-contamination of bacteria from one food item to another. This is done to mitigate the spread of bacterial contamination and resultant foodborne illness. Internet-based literature search tools such as Web of Science, Google Scholar, and Scopus were utilized to investigate publishing trends within the last 10 years related to the development of antimicrobial and antifouling surfaces with potential use in food processing applications. Technologies investigated were categorized into four major groups: antimicrobial agent-releasing coatings, contact-based antimicrobial coatings, superhydrophobic antifouling coatings, and repulsion-based antifouling coatings. The advantages for each group and technical challenges remaining before wide-scale implementation were compared. A diverse array of emerging antimicrobial and antifouling technologies were identified, designed to suit a wide range of food contact applications. Although each poses distinct and promising advantages, significant further research investment will likely be required to reliably produce effective materials economically and safely enough to equip large-scale operations such as farms, food processing facilities, and kitchens.
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Affiliation(s)
- William DeFlorio
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, Texas, USA
| | - Shuhao Liu
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, Texas, USA
| | - Andrew R White
- Department of Chemical and Environmental Engineering, University of California, Riverside, California, USA
| | | | - Luis Cisneros-Zevallos
- Department of Nutrition and Food Science, Texas A&M University, College Station, Texas, USA.,Department of Horticultural Sciences, Texas A&M University, College Station, Texas, USA
| | - Younjin Min
- Department of Chemical and Environmental Engineering, University of California, Riverside, California, USA
| | - Ethan M A Scholar
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, Texas, USA.,Department of Materials Science and Engineering, Texas A&M University, College Station, Texas, USA
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15
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Greer HM, Overton K, Ferguson MA, Spain EM, Darling LEO, Núñez ME, Volle CB. Extracellular Polymeric Substance Protects Some Cells in an Escherichia coli Biofilm from the Biomechanical Consequences of Treatment with Magainin 2. Microorganisms 2021; 9:microorganisms9050976. [PMID: 33946431 PMCID: PMC8147140 DOI: 10.3390/microorganisms9050976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 04/26/2021] [Accepted: 04/29/2021] [Indexed: 11/16/2022] Open
Abstract
Bacterial biofilms have long been recognized as a source of persistent infections and industrial contamination with their intransigence generally attributed to their protective layer of extracellular polymeric substances (EPS). EPS, consisting of secreted nucleic acids, proteins, and polysaccharides, make it difficult to fully eliminate biofilms by conventional chemical or physical means. Since most bacteria are capable of forming biofilms, understanding how biofilms respond to new antibiotic compounds and components of the immune system has important ramifications. Antimicrobial peptides (AMPs) are both potential novel antibiotic compounds and part of the immune response in many different organisms. Here, we use atomic force microscopy to investigate the biomechanical changes that occur in individual cells when a biofilm is exposed to the AMP magainin 2 (MAG2), which acts by permeabilizing bacterial membranes. While MAG2 is able to prevent biofilm initiation, cells in an established biofilm can withstand exposure to high concentrations of MAG2. Treated cells in the biofilm are classified into two distinct populations after treatment: one population of cells is indistinguishable from untreated cells, maintaining cellular turgor pressure and a smooth outer surface, and the second population of cells are softer than untreated cells and have a rough outer surface after treatment. Notably, the latter population is similar to planktonic cells treated with MAG2. The EPS likely reduces the local MAG2 concentration around the stiffer cells since once the EPS was enzymatically removed, all cells became softer and had rough outer surfaces. Thus, while MAG2 appears to have the same mechanism of action in biofilm cells as in planktonic ones, MAG2 cannot eradicate a biofilm unless coupled with the removal of the EPS.
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Affiliation(s)
- Helen M. Greer
- Department of Biology, Cottey College, Nevada, MO 64772, USA; (H.M.G.); (K.O.)
| | - Kanesha Overton
- Department of Biology, Cottey College, Nevada, MO 64772, USA; (H.M.G.); (K.O.)
| | - Megan A. Ferguson
- Department of Chemistry, State University of New York, New Paltz, NY 12561, USA;
| | - Eileen M. Spain
- Department of Chemistry, Occidental College, Los Angeles, CA 90041, USA;
| | - Louise E. O. Darling
- Department of Biological Sciences and Program in Biochemistry, Wellesley College, Wellesley, MA 02481, USA;
| | - Megan E. Núñez
- Department of Chemistry and Program in Biochemistry, Wellesley College, Wellesley, MA 02481, USA;
| | - Catherine B. Volle
- Departments of Biology and Chemistry, Cornell College, Mount Vernon, IA 52314, USA
- Correspondence: ; Tel.: +1-(319)-895-4413
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16
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Kazemzadeh-Narbat M, Cheng H, Chabok R, Alvarez MM, de la Fuente-Nunez C, Phillips KS, Khademhosseini A. Strategies for antimicrobial peptide coatings on medical devices: a review and regulatory science perspective. Crit Rev Biotechnol 2020; 41:94-120. [PMID: 33070659 DOI: 10.1080/07388551.2020.1828810] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Indwelling and implanted medical devices are subject to contamination by microbial pathogens during surgery, insertion or injection, and ongoing use, often resulting in severe nosocomial infections. Antimicrobial peptides (AMPs) offer a promising alternative to conventional antibiotics to reduce the incidence of such infections, as they exhibit broad-spectrum antimicrobial activity against Gram-negative and Gram-positive bacteria, microbial biofilms, fungi, and viruses. In this review-perspective, we first provide an overview of the progress made in this field over the past decade with an emphasis on the local release of AMPs from implant surfaces and immobilization strategies for incorporating these agents into a wide range of medical device materials. We then provide a regulatory science perspective addressing the characterization and testing of AMP coatings based on the type of immobilization strategy used with a focus on the US market regulatory niche. Our goal is to help narrow the gulf between academic studies and preclinical testing, as well as to support a future literature base in order to develop the regulatory science of antimicrobial coatings.
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Affiliation(s)
- Mehdi Kazemzadeh-Narbat
- Office of Device Evaluation, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, MD, USA
| | - Hao Cheng
- Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.,Harvard-Massachusetts Institute of Technology, Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA.,Department of Orthopaedic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Rosa Chabok
- Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.,Harvard-Massachusetts Institute of Technology, Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA.,DeBusk College of Osteopathic Medicine, Lincoln Memorial University, Harrogate, TN, USA
| | - Mario Moisés Alvarez
- Biomaterials Innovation Research Center, Division of Biomedical Engineering, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.,Harvard-Massachusetts Institute of Technology, Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, USA.,Microsystems Technologies Laboratories, MIT, Cambridge, MA, USA.,Centro de Biotecnología-FEMSA, Tecnológico de Monterrey, Monterrey, México
| | - Cesar de la Fuente-Nunez
- Machine Biology Group, Departments of Psychiatry and Microbiology, Institute for Biomedical Informatics, Institute for Translational Medicine and Therapeutics, Perelman School of Medicine, Penn Institute for Computational Science, and Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
| | - K Scott Phillips
- Division of Biology, Chemistry and Materials Science, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, US Food and Drug Administration, Silver Spring, MD, USA
| | - Ali Khademhosseini
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, USA.,Department of Radiology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, USA.,Department of Chemical and Biomolecular Engineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, USA.,Center for Minimally Invasive Therapeutics (C-MIT), University of California-Los Angeles, Los Angeles, CA, USA.,Department of Bioindustrial Technologies, College of Animal Bioscience and Technology, Konkuk University, Seoul, Republic of Korea
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17
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Abstract
In the recent past, epidemics and pandemics caused by viral infections have had extraordinary effects on human life, leading to severe social and financial challenges. One such event related to the outbreak of the SARS-CoV-2 virus has already taken more than 917,417 lives globally (as of September 13, 2020). The nosocomial route of viral transmission has also been playing a significant role in the community spreading of viruses. Unfortunately, none of the existing strategies are apt for preventing the spread of viral infections. In order to contain the viral transmission, the principal target would be to stop the virus from reaching the otherwise healthy individuals. Nanomaterials, due to its unique physical and chemical properties, have been used to develop novel antiviral agents. In this review, we have discussed several nanotechnological strategies that can be used as an antiviral coating to inhibit viral transmission by preventing viral entry into the host cells.
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18
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Khan F, Oloketuyi SF, Kim YM. Diversity of Bacteria and Bacterial Products as Antibiofilm and Antiquorum Sensing Drugs Against Pathogenic Bacteria. Curr Drug Targets 2020; 20:1156-1179. [PMID: 31020938 DOI: 10.2174/1389450120666190423161249] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 02/25/2019] [Accepted: 04/12/2019] [Indexed: 12/14/2022]
Abstract
The increase in antibiotic resistance of pathogenic bacteria has led to the development of new therapeutic approaches to inhibit biofilm formation as well as interfere quorum sensing (QS) signaling systems. The QS system is a phenomenon in which pathogenic bacteria produce signaling molecules that are involved in cell to cell communication, production of virulence factors, biofilm maturation, and several other functions. In the natural environment, several non-pathogenic bacteria are present as mixed population along with pathogenic bacteria and they control the behavior of microbial community by producing secondary metabolites. Similarly, non-pathogenic bacteria also take advantages of the QS signaling molecule as a sole carbon source for their growth through catabolism with enzymes. Several enzymes are produced by bacteria which disrupt the biofilm architecture by degrading the composition of extracellular polymeric substances (EPS) such as exopolysaccharide, extracellular- DNA and protein. Thus, the interference of QS system by bacterial metabolic products and enzymatic catalysis, modification of the QS signaling molecules as well as enzymatic disruption of biofilm architecture have been considered as the alternative therapeutic approaches. This review article elaborates on the diversity of different bacterial species with respect to their metabolic products as well as enzymes and their molecular modes of action. The bacterial enzymes and metabolic products will open new and promising perspectives for the development of strategies against the pathogenic bacterial infections.
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Affiliation(s)
- Fazlurrahman Khan
- Marine-Integrated Bionics Research Center, Pukyong National University, Busan 48513, South Korea
| | | | - Young-Mog Kim
- Marine-Integrated Bionics Research Center, Pukyong National University, Busan 48513, South Korea.,Department of Food Science and Technology, Pukyong National University, Busan 48513, South Korea
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19
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Gagon AT, Britt DW, Bastarrachea LJ. Zein-modified antimicrobial polypropylene: Characterization and reusability upon UV-A light exposure. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108983] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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20
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Development of a Monitoring Strategy for Laser-Textured Metallic Surfaces Using a Diffractive Approach. MATERIALS 2019; 13:ma13010053. [PMID: 31861907 PMCID: PMC6981385 DOI: 10.3390/ma13010053] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/16/2019] [Accepted: 12/17/2019] [Indexed: 11/17/2022]
Abstract
The current status of research around the world concurs on the powerful influence of micro- and nano-textured surfaces in terms of surface functionalization. In order to characterize the manufactured topographical morphology with regard to the surface quality or homogeneity, major efforts are still required. In this work, an optical approach for the indirect evaluation of the quality and morphology of surface structures manufactured with Direct Laser Interference Patterning (DLIP) is presented. For testing the designed optical configuration, line-like surface patterns are fabricated at a 1064 nm wavelength on stainless steel with a repetitive distance of 4.9 µm, utilizing a two-beam DLIP configuration. Depending on the pulse to pulse overlap and hatch distance, different single and complex pattern geometries are produced, presenting non-homogenous and homogenous surface patterns. The developed optical system permitted the successfully classification of different pattern geometries, in particular, those showing single-scale morphology (high homogeneity). Additionally, the fabricated structures were measured using confocal microscopy method, and the obtained topographies were correlated with the recorded optical images.
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21
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Ziadi I, Alves MM, Taryba M, El-Bassi L, Hassairi H, Bousselmi L, Montemor MF, Akrout H. Microbiologically influenced corrosion mechanism of 304L stainless steel in treated urban wastewater and protective effect of silane-TiO 2 coating. Bioelectrochemistry 2019; 132:107413. [PMID: 31816578 DOI: 10.1016/j.bioelechem.2019.107413] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 11/08/2019] [Accepted: 11/08/2019] [Indexed: 12/14/2022]
Abstract
Microbiologically influenced corrosion (MIC) of bare and silane-TiO2 sol-gel coated stainless steel (SS) was studied in treated urban wastewater (TUWW). Combining the electrochemical impedance spectroscopy (EIS) and the scanning vibrating electrode technique (SVET) showed that SS surface colonization occurs, at earlier stages, by iron-oxidizing bacteria (IOB), and later by sulphate-reducing bacteria (SRB). The SVET results showed that chemical corrosion process and bacterial respiration led to the depletion of dissolved oxygen, creating a differential aeration cell and thus a localized corrosion phenomenon. Scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) showed that the growth of a bacterial biofilm on 304L SS was a dynamic process, stimulating the localized oxidation of SS. To improve corrosion protection, a silane-TiO2 sol-gel coating for SS is proposed. SEM showed that the coating reduced bacterial adhesion and EIS study demonstrated that the coating improved the barrier properties and corrosion resistance of 304L SS in TUWW over a short period of immersion.
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Affiliation(s)
- I Ziadi
- Laboratory for Wastewaters and Environment, Centre of Water Researches and Technologies (CERTE) Technopark of Borj Cedria PB 273, Soliman 8020, Tunisia; National Institute of Applied Science and Technology (INSAT), Carthage University, Tunis, Tunisia
| | - M M Alves
- CQE, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, Lisboa 1049-001, Portugal
| | - M Taryba
- CQE, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, Lisboa 1049-001, Portugal
| | - L El-Bassi
- Laboratory for Wastewaters and Environment, Centre of Water Researches and Technologies (CERTE) Technopark of Borj Cedria PB 273, Soliman 8020, Tunisia
| | - H Hassairi
- Laboratory for Wastewaters and Environment, Centre of Water Researches and Technologies (CERTE) Technopark of Borj Cedria PB 273, Soliman 8020, Tunisia
| | - L Bousselmi
- Laboratory for Wastewaters and Environment, Centre of Water Researches and Technologies (CERTE) Technopark of Borj Cedria PB 273, Soliman 8020, Tunisia
| | - M F Montemor
- CQE, Departamento de Engenharia Química, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, Lisboa 1049-001, Portugal
| | - H Akrout
- Laboratory for Wastewaters and Environment, Centre of Water Researches and Technologies (CERTE) Technopark of Borj Cedria PB 273, Soliman 8020, Tunisia. @gmail.com
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22
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Espejo HM, Díaz-Amaya S, Stanciu LA, Bahr DF. Nisin infusion into surface cracks in oxide coatings to create an antibacterial metallic surface. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110034. [PMID: 31546451 DOI: 10.1016/j.msec.2019.110034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 06/30/2019] [Accepted: 07/29/2019] [Indexed: 11/29/2022]
Abstract
The efficacy of surface topology and chemistry on the ability for a surface to retain antimicrobial performance via the immobilization of a peptide was evaluated. A nanosecond pulsed laser was used to create oxide films on Ti-6Al-4V and 304L stainless steel. The laser conditions employed created a mudflat cracked surface on titanium, but no cracks on the steel. An antimicrobial peptide, nisin, was infused into the cracked and uncracked oxide surfaces to provide antimicrobial activity against Gram-positive bacteria; Listeria monocytogenes was chosen as the model microorganism. Release tests in distilled water at room temperature show that nisin is slowly liberated from the uncracked stainless steel surface, while there was no evidence of nisin liberation from the cracked titanium alloy surfaces, likely due to immobilization of the peptide into the artificially created micro-cracks on the surface of this alloy. Surfaces treated with nisin became active and exhibit anti-microbial performance against L. monocytogenes; this behavior is mostly retained after scrubbing/washing and simple immersion in water.
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Affiliation(s)
- Héctor M Espejo
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Susana Díaz-Amaya
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Lia A Stanciu
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - David F Bahr
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA.
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23
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Paris JB, Seyer D, Jouenne T, Thébault P. Various methods to combine hyaluronic acid and antimicrobial peptides coatings and evaluation of their antibacterial behaviour. Int J Biol Macromol 2019; 139:468-474. [PMID: 31376454 DOI: 10.1016/j.ijbiomac.2019.07.188] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/11/2019] [Accepted: 07/27/2019] [Indexed: 11/26/2022]
Abstract
To prevent bacterial adhesion and contamination, biomaterials exhibiting both antiadhesive and biocidal properties are the most promising way. However, control of the properties combination is not so easy due, in particular, to antagonist mechanisms. Antibacterial surfaces against Staphylococcus epidermidis adhesion were here elaborated by using both nisin grafting and repelling polysaccharide coating. We evaluated two strategies aiming to improve the antimicrobial peptide (AMP) immobilization parameters (i.e., the accessibility and/or local density) in order to obtain the best antimicrobial activity on surfaces. We thus (i) grafted the nisin on a surface previously coated with hydrolyzed hyaluronic acid (HA) (to decrease the length of the polysaccharide chains) or (ii) coupled nisin and HA in solution before grafting this complex on surfaces. XPS analysis pointed out a lower amount of nisin on the surface for both approaches compared to the immobilization of nisin on native HA. However, an antibacterial activity was maintained, probably due to a higher local density of the AMP when surfaces were modified with hydrolyzed hyaluronic acid, leading to a better combination of antiadhesive-biocidal properties. Microscopy fluorescent observations demonstrated that accumulation of dead cells was also avoided by some coatings architecture.
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Affiliation(s)
| | - Damien Seyer
- UnivCergyPontoise, LabERRMECe, EA1391, F-95302 Cergy-Pontoise, France
| | - Thierry Jouenne
- Normandie Univ, UNIROUEN, INSA Rouen, CNRS, PBS, 76000 Rouen, France
| | - Pascal Thébault
- Normandie Univ, UNIROUEN, INSA Rouen, CNRS, PBS, 76000 Rouen, France.
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24
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Vijayakumar S, Saravanakumar K, Hu X, Wang MH. In Vitro Biocidal Actions of Rhus verniciflua Bark Extract Wrapped Gold Nanoballs Against Biofilm-Forming Food-Borne Bacterial Pathogens. J CLUST SCI 2019. [DOI: 10.1007/s10876-019-01592-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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25
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Oger PC, Piesse C, Ladram A, Humblot V. Engineering of Antimicrobial Surfaces by Using Temporin Analogs to Tune the Biocidal/antiadhesive Effect. MOLECULES (BASEL, SWITZERLAND) 2019; 24:molecules24040814. [PMID: 30813478 PMCID: PMC6412374 DOI: 10.3390/molecules24040814] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 02/19/2019] [Accepted: 02/20/2019] [Indexed: 11/16/2022]
Abstract
Proliferation of resistant bacteria on biomaterials is a major problem leading to nosocomial infections. Due to their broad-spectrum activity and their ability to disrupt bacterial membranes through a rapid membranolytic mechanism, antimicrobial peptides (AMPs) are less susceptible to the development of bacterial resistance and therefore represent good candidates for surface coating strategies to prevent biofilm formation. In this study, we report on the covalent immobilization of temporin-SHa, a small hydrophobic and low cationic antimicrobial peptide exhibiting broad-spectrum activity, and (SHa) analogs on modified gold surfaces. Several analogs derived from SHa with either a carboxamidated ([K3]SHa, d-[K3]SHa) or a carboxylated C-terminus ([K3]SHa-COOH) were used to achieve peptide grafting on gold surfaces modified by a thiolated self-assembled monolayer (SAM). Surface functionalization was characterized by polarization modulation infrared reflection absorption spectroscopy (PM-RAIRS) and X-ray photoemission spectroscopy (XPS). The antibacterial properties of the temporin-functionalized surfaces were tested against the Gram-positive Listeria ivanovii. Direct visualization of the peptide effects on the bacterial membrane was investigated by scanning electron microscopy equipped with a field emission gun (SEM-FEG). All active temporin analogs were successfully grafted and display significant antibacterial activity (from 80 to 90% killing efficiency) in addition to a 2-fold decrease of bacterial adhesion when all d-SHa analogs were used.
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Affiliation(s)
- Pierre-Carl Oger
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface, LRS UMR CNRS 7197, F-75252 Paris, France.
| | - Christophe Piesse
- Sorbonne Université, CNRS, Institut de Biologie Paris-Seine, IBPS, F-75252 Paris, France.
| | - Ali Ladram
- Sorbonne Université, CNRS, Institut de Biologie Paris-Seine, IBPS, F-75252 Paris, France.
| | - Vincent Humblot
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface, LRS UMR CNRS 7197, F-75252 Paris, France.
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26
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Kim DW, Moon JM, Park S, Choi JS, Cho WK. Facile and effective antibacterial coatings on various oxide substrates. J IND ENG CHEM 2018. [DOI: 10.1016/j.jiec.2018.07.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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27
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Cao P, He X, Xiao J, Yuan C, Bai X. Peptide-modified stainless steel with resistance capacity of Staphylococcus aureus
biofilm formation. SURF INTERFACE ANAL 2018. [DOI: 10.1002/sia.6531] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Pan Cao
- Reliability Engineering Institute, National Engineering Research Center for Water Transport Safety; Wuhan University of Technology; Wuhan 430063 China
- Key Laboratory of Marine Power Engineering & Technology, Ministry of Transport; Wuhan University of Technology; Wuhan 430063 China
- College of Mechanical Engineering; Yangzhou University; Yangzhou 255127 China
| | - Xiaoyan He
- Reliability Engineering Institute, National Engineering Research Center for Water Transport Safety; Wuhan University of Technology; Wuhan 430063 China
- Key Laboratory of Marine Power Engineering & Technology, Ministry of Transport; Wuhan University of Technology; Wuhan 430063 China
| | - Jinfei Xiao
- Reliability Engineering Institute, National Engineering Research Center for Water Transport Safety; Wuhan University of Technology; Wuhan 430063 China
- Key Laboratory of Marine Power Engineering & Technology, Ministry of Transport; Wuhan University of Technology; Wuhan 430063 China
| | - Chengqing Yuan
- Reliability Engineering Institute, National Engineering Research Center for Water Transport Safety; Wuhan University of Technology; Wuhan 430063 China
- Key Laboratory of Marine Power Engineering & Technology, Ministry of Transport; Wuhan University of Technology; Wuhan 430063 China
| | - Xiuqin Bai
- Reliability Engineering Institute, National Engineering Research Center for Water Transport Safety; Wuhan University of Technology; Wuhan 430063 China
- Key Laboratory of Marine Power Engineering & Technology, Ministry of Transport; Wuhan University of Technology; Wuhan 430063 China
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28
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Pan C, Zhou Z, Yu X. Coatings as the useful drug delivery system for the prevention of implant-related infections. J Orthop Surg Res 2018; 13:220. [PMID: 30176886 PMCID: PMC6122451 DOI: 10.1186/s13018-018-0930-y] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 08/22/2018] [Indexed: 12/13/2022] Open
Abstract
Implant-related infections (IRIs) which led to a large amount of medical expenditure were caused by bacteria and fungi that involve the implants in the operation or in ward. Traditional treatments of IRIs were comprised of repeated radical debridement, replacement of internal fixators, and intravenous antibiotics. It needed a long time and numbers of surgeries to cure, which meant a catastrophe to patients. So how to prevent it was more important than to cure it. As an excellent local release system, coating is a good idea by its local drug infusion and barrier effect on resisting biofilms which were the main cause of IRIs. So in this review, materials used for coatings and evidences of prevention were elaborated.
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Affiliation(s)
- Chenhao Pan
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, 200233 China
| | - Zubin Zhou
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, 200233 China
| | - Xiaowei Yu
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, 200233 China
- Department of Orthopaedic Surgery, Shanghai Sixth People’s Hospital East Campus, Shanghai University of Medicine and Health Sciences, Shanghai, 201306 China
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29
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Bekmurzayeva A, Duncanson WJ, Azevedo HS, Kanayeva D. Surface modification of stainless steel for biomedical applications: Revisiting a century-old material. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 93:1073-1089. [PMID: 30274039 DOI: 10.1016/j.msec.2018.08.049] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 07/06/2018] [Accepted: 08/22/2018] [Indexed: 12/12/2022]
Abstract
Stainless steel (SS) has been widely used as a material for fabricating cardiovascular stents/valves, orthopedic prosthesis, and other devices and implants used in biomedicine due to its malleability and resistance to corrosion and fatigue. Despite its good mechanical properties, SS (as other metals) lacks biofunctionality. To be successfully used as a biomaterial, SS must be made resistant to the biological environment by increasing its anti-fouling properties, preventing biofilm formation (passive surface modification), and imparting functionality for eluting a specific drug or capturing selected cells (active surface modification); these features depend on the final application. Various physico-chemical techniques, including plasma vapor deposition, electrochemical treatment, and attachment of different linkers that add functional groups, are used to obtain SS with increased corrosion resistance, improved osseointegration capabilities, added hemocompatibility, and enhanced antibacterial properties. Existing literature on this topic is extensive and has not been covered in an integrated way in previous reviews. This review aims to fill this gap, by surveying the literature on SS surface modification methods, as well as modification routes tailored for specific biomedical applications. STATEMENT OF SIGNIFICANCE Stainless steel (SS) is widely used in many biomedical applications including bone implants and cardiovascular stents due to its good mechanical properties, biocompatibility and low price. Surface modification allows improving its characteristics without compromising its important bulk properties. SS with improved blood compatibility (blood contacting implants), enhanced ability to resist bacterial infection (long-term devices), better integration with a tissue (bone implants) are examples of successful SS surface modifications. Existing literature on this topic is extensive and has not been covered in an integrated way in previous reviews. This review paper aims to fill this gap, by surveying the literature on SS surface modification methods, as well as to provide guidance for selecting appropriate modification routes tailored for specific biomedical applications.
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Affiliation(s)
- Aliya Bekmurzayeva
- Engineering and Technology Program, Nazarbayev University, Astana 010000, Kazakhstan; National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan; School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, UK
| | - Wynter J Duncanson
- School of Engineering, Nazarbayev University, Astana 010000, Kazakhstan; College of Engineering, Boston University, Boston, MA 02215, USA
| | - Helena S Azevedo
- School of Engineering and Materials Science, Queen Mary University of London, London E1 4NS, UK
| | - Damira Kanayeva
- School of Science and Technology, Nazarbayev University, Astana 010000, Kazakhstan.
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30
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Santos JC, Sousa RC, Otoni CG, Moraes AR, Souza VG, Medeiros EA, Espitia PJ, Pires AC, Coimbra JS, Soares NF. Nisin and other antimicrobial peptides: Production, mechanisms of action, and application in active food packaging. INNOV FOOD SCI EMERG 2018. [DOI: 10.1016/j.ifset.2018.06.008] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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31
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Van Dijck P, Sjollema J, Cammue BPA, Lagrou K, Berman J, d’Enfert C, Andes DR, Arendrup MC, Brakhage AA, Calderone R, Cantón E, Coenye T, Cos P, Cowen LE, Edgerton M, Espinel-Ingroff A, Filler SG, Ghannoum M, Gow NA, Haas H, Jabra-Rizk MA, Johnson EM, Lockhart SR, Lopez-Ribot JL, Maertens J, Munro CA, Nett JE, Nobile CJ, Pfaller MA, Ramage G, Sanglard D, Sanguinetti M, Spriet I, Verweij PE, Warris A, Wauters J, Yeaman MR, Zaat SA, Thevissen K. Methodologies for in vitro and in vivo evaluation of efficacy of antifungal and antibiofilm agents and surface coatings against fungal biofilms. MICROBIAL CELL (GRAZ, AUSTRIA) 2018; 5:300-326. [PMID: 29992128 PMCID: PMC6035839 DOI: 10.15698/mic2018.07.638] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 05/24/2018] [Indexed: 12/13/2022]
Abstract
Unlike superficial fungal infections of the skin and nails, which are the most common fungal diseases in humans, invasive fungal infections carry high morbidity and mortality, particularly those associated with biofilm formation on indwelling medical devices. Therapeutic management of these complex diseases is often complicated by the rise in resistance to the commonly used antifungal agents. Therefore, the availability of accurate susceptibility testing methods for determining antifungal resistance, as well as discovery of novel antifungal and antibiofilm agents, are key priorities in medical mycology research. To direct advancements in this field, here we present an overview of the methods currently available for determining (i) the susceptibility or resistance of fungal isolates or biofilms to antifungal or antibiofilm compounds and compound combinations; (ii) the in vivo efficacy of antifungal and antibiofilm compounds and compound combinations; and (iii) the in vitro and in vivo performance of anti-infective coatings and materials to prevent fungal biofilm-based infections.
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Affiliation(s)
- Patrick Van Dijck
- VIB-KU Leuven Center for Microbiology, Leuven, Belgium
- KU Leuven Laboratory of Molecular Cell Biology, Leuven, Belgium
| | - Jelmer Sjollema
- University of Groningen, University Medical Center Groningen, Department of BioMedical Engineering, Groningen, The Netherlands
| | - Bruno P. A. Cammue
- Centre for Microbial and Plant Genetics, KU Leuven, Leuven, Belgium
- Department of Plant Systems Biology, VIB, Ghent, Belgium
| | - Katrien Lagrou
- Department of Microbiology and Immunology, KU Leuven, Leuven, Belgium
- Clinical Department of Laboratory Medicine and National Reference Center for Mycosis, UZ Leuven, Belgium
| | - Judith Berman
- School of Molecular Cell Biology and Biotechnology, Faculty of Life Sciences, Tel Aviv University, Ramat Aviv, Israel
| | - Christophe d’Enfert
- Institut Pasteur, INRA, Unité Biologie et Pathogénicité Fongiques, Paris, France
| | - David R. Andes
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin, USA
- Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Maiken C. Arendrup
- Unit of Mycology, Statens Serum Institut, Copenhagen, Denmark
- Department of Clinical Microbiology, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Axel A. Brakhage
- Leibniz Institute for Natural Product Research and Infection Biology - Hans Knoell Institute (HKI), Dept. Microbiology and Molecular Biology, Friedrich Schiller University Jena, Institute of Microbiology, Jena, Germany
| | - Richard Calderone
- Department of Microbiology & Immunology, Georgetown University Medical Center, Washington DC, USA
| | - Emilia Cantón
- Severe Infection Research Group: Medical Research Institute La Fe (IISLaFe), Valencia, Spain
| | - Tom Coenye
- Laboratory of Pharmaceutical Microbiology, Ghent University, Ghent, Belgium
- ESCMID Study Group for Biofilms, Switzerland
| | - Paul Cos
- Laboratory for Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Belgium
| | - Leah E. Cowen
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Mira Edgerton
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, Buffalo, NY USA
| | | | - Scott G. Filler
- Division of Infectious Diseases, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Mahmoud Ghannoum
- Center for Medical Mycology, Department of Dermatology, University Hospitals Cleveland Medical Center and Case Western Re-serve University, Cleveland, OH, USA
| | - Neil A.R. Gow
- MRC Centre for Medical Mycology, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Hubertus Haas
- Biocenter - Division of Molecular Biology, Medical University Innsbruck, Innsbruck, Austria
| | - Mary Ann Jabra-Rizk
- Department of Oncology and Diagnostic Sciences, School of Dentistry; Department of Microbiology and Immunology, School of Medicine, University of Maryland, Baltimore, USA
| | - Elizabeth M. Johnson
- National Infection Service, Public Health England, Mycology Reference Laboratory, Bristol, UK
| | | | | | - Johan Maertens
- Department of Microbiology and Immunology, KU Leuven, Leuven, Belgium and Clinical Department of Haematology, UZ Leuven, Leuven, Belgium
| | - Carol A. Munro
- MRC Centre for Medical Mycology, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Jeniel E. Nett
- University of Wisconsin-Madison, Departments of Medicine and Medical Microbiology & Immunology, Madison, WI, USA
| | - Clarissa J. Nobile
- Department of Molecular and Cell Biology, School of Natural Sciences, University of California, Merced, Merced, USA
| | - Michael A. Pfaller
- Departments of Pathology and Epidemiology, University of Iowa, Iowa, USA
- JMI Laboratories, North Liberty, Iowa, USA
| | - Gordon Ramage
- ESCMID Study Group for Biofilms, Switzerland
- College of Medical, Veterinary and Life Sciences, University of Glasgow, UK
| | - Dominique Sanglard
- Institute of Microbiology, University of Lausanne and University Hospital, CH-1011 Lausanne
| | - Maurizio Sanguinetti
- Institute of Microbiology, Università Cattolica del Sacro Cuore, IRCCS-Fondazione Policlinico "Agostino Gemelli", Rome, Italy
| | - Isabel Spriet
- Pharmacy Dpt, University Hospitals Leuven and Clinical Pharmacology and Pharmacotherapy, Dpt. of Pharmaceutical and Pharma-cological Sciences, KU Leuven, Belgium
| | - Paul E. Verweij
- Center of Expertise in Mycology Radboudumc/CWZ, Radboud University Medical Center, Nijmegen, the Netherlands (omit "Nijmegen" in Radboud University Medical Center)
| | - Adilia Warris
- MRC Centre for Medical Mycology, Aberdeen Fungal Group, University of Aberdeen, Foresterhill, Aberdeen, UK
| | - Joost Wauters
- KU Leuven-University of Leuven, University Hospitals Leuven, Department of General Internal Medicine, Herestraat 49, B-3000 Leuven, Belgium
| | - Michael R. Yeaman
- Geffen School of Medicine at the University of California, Los Angeles, Divisions of Molecular Medicine & Infectious Diseases, Har-bor-UCLA Medical Center, LABioMed at Harbor-UCLA Medical Center
| | - Sebastian A.J. Zaat
- Department of Medical Microbiology, Amsterdam Infection and Immunity Institute, Academic Medical Center, University of Am-sterdam, Netherlands
| | - Karin Thevissen
- Centre for Microbial and Plant Genetics, KU Leuven, Leuven, Belgium
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Fighting biofilms with lantibiotics and other groups of bacteriocins. NPJ Biofilms Microbiomes 2018; 4:9. [PMID: 29707229 PMCID: PMC5908865 DOI: 10.1038/s41522-018-0053-6] [Citation(s) in RCA: 125] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 03/09/2018] [Accepted: 03/21/2018] [Indexed: 01/03/2023] Open
Abstract
Biofilms are sessile communities of bacteria typically embedded in an extracellular polymeric matrix. Bacterial cells embedded in biofilms are inherently recalcitrant to antimicrobials, compared to cells existing in a planktonic state, and are notoriously difficult to eradicate once formed. Avenues to tackle biofilms thus far have largely focussed on attempting to disrupt the initial stages of biofilm formation, including adhesion and maturation of the biofilm. Such an approach is advantageous as the concentrations required to inhibit formation of biofilms are generally much lower than removing a fully established biofilm. The crisis of antibiotic resistance in clinical settings worldwide has been further exacerbated by the ability of certain pathogenic bacteria to form biofilms. Perhaps the most notorious biofilm formers described from a clinical viewpoint have been methicillin-resistant Staphylococcus aureus (MRSA), Staphylococcus epidermidis, Pseudomonas aeruginosa, Gardnerella vaginalis and Streptococcus mutans, the latter of which is found in oral biofilms. Due to the dearth of novel antibiotics in recent decades, compounded by the increasing rate of emergence of resistance amongst pathogens with a propensity for biofilm formation, solutions are urgently required to mitigate these crises. Bacteriocins are a class of antimicrobial peptides, which are ribosomally synthesised and often are more potent than their antibiotic counterparts. Here, we review a selection of studies conducted with bacteriocins with the ultimate objective of inhibiting biofilms. Overall, a deeper understanding of the precise means by which a biofilm forms on a substrate as well as insights into the mechanisms by which bacteriocins inhibit biofilms is warranted.
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Sjollema J, Zaat SAJ, Fontaine V, Ramstedt M, Luginbuehl R, Thevissen K, Li J, van der Mei HC, Busscher HJ. In vitro methods for the evaluation of antimicrobial surface designs. Acta Biomater 2018; 70:12-24. [PMID: 29432983 DOI: 10.1016/j.actbio.2018.02.001] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 01/12/2018] [Accepted: 02/01/2018] [Indexed: 11/16/2022]
Abstract
Bacterial adhesion and subsequent biofilm formation on biomedical implants and devices are a major cause of their failure. As systemic antibiotic treatment is often ineffective, there is an urgent need for antimicrobial biomaterials and coatings. The term "antimicrobial" can encompass different mechanisms of action (here termed "antimicrobial surface designs"), such as antimicrobial-releasing, contact-killing or non-adhesivity. Biomaterials equipped with antimicrobial surface designs based on different mechanisms of action require different in vitro evaluation methods. Available industrial standard evaluation tests do not address the specific mechanisms of different antimicrobial surface designs and have therefore been modified over the past years, adding to the myriad of methods available in the literature to evaluate antimicrobial surface designs. The aim of this review is to categorize fourteen presently available methods including industrial standard tests for the in vitro evaluation of antimicrobial surface designs according to their suitability with respect to their antimicrobial mechanism of action. There is no single method or industrial test that allows to distinguish antimicrobial designs according to all three mechanisms identified here. However, critical consideration of each method clearly relates the different methods to a specific mechanism of antimicrobial action. It is anticipated that use of the provided table with the fourteen methods will avoid the use of wrong methods for evaluating new antimicrobial designs and therewith facilitate translation of novel antimicrobial biomaterials and coatings to clinical use. The need for more and better updated industrial standard tests is emphasized. STATEMENT OF SIGNIFICANCE European COST-action TD1305, IPROMEDAI aims to provide better understanding of mechanisms of antimicrobial surface designs of biomaterial implants and devices. Current industrial evaluation standard tests do not sufficiently account for different, advanced antimicrobial surface designs, yet are urgently needed to obtain convincing in vitro data for approval of animal experiments and clinical trials. This review aims to provide an innovative and clear guide to choose appropriate evaluation methods for three distinctly different mechanisms of antimicrobial design: (1) antimicrobial-releasing, (2) contact-killing and (3) non-adhesivity. Use of antimicrobial evaluation methods and definition of industrial standard tests, tailored toward the antimicrobial mechanism of the design, as identified here, fulfill a missing link in the translation of novel antimicrobial surface designs to clinical use.
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Affiliation(s)
- Jelmer Sjollema
- University of Groningen, University Medical Center Groningen, Department of BioMedical Engineering, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands.
| | - Sebastian A J Zaat
- Department of Medical Microbiology, CINIMA (Center for Infection and Immunity Amsterdam), Academic Medical Center, University of Amsterdam, Meibergdreef 15, 1105 AZ Amsterdam, The Netherlands
| | - Veronique Fontaine
- Unit of Pharmaceutical Microbiology and Hygiene, Faculty of Pharmacy, Université Libre de Bruxelles (ULB), Campus Plaine, Boulevard du Triomphe, 1050 Brussels, Belgium
| | | | - Reto Luginbuehl
- RMS Foundation, Bischmattstrasse 12, 2544 Bettlach, Switzerland
| | - Karin Thevissen
- Centre for Microbial and Plant Genetics, CMPG, University of Leuven, Kasteelpark Arenberg 20, 3001 Heverlee, Belgium
| | - Jiuyi Li
- School of Civil Engineering, Beijing Jiaotong University, 3 Shangyuancun, Xizhimenwai, Beijing 100044, China
| | - Henny C van der Mei
- University of Groningen, University Medical Center Groningen, Department of BioMedical Engineering, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Henk J Busscher
- University of Groningen, University Medical Center Groningen, Department of BioMedical Engineering, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
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Hüwe C, Schmeichel J, Brodkorb F, Dohlen S, Kalbfleisch K, Kreyenschmidt M, Lorenz R, Kreyenschmidt J. Potential of antimicrobial treatment of linear low-density polyethylene with poly((tert-butyl-amino)-methyl-styrene) to reduce biofilm formation in the food industry. BIOFOULING 2018; 34:378-387. [PMID: 29663827 DOI: 10.1080/08927014.2018.1453926] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2017] [Accepted: 03/12/2018] [Indexed: 06/08/2023]
Abstract
Antimicrobial surfaces are one approach to prevent biofilms in the food industry. The aim of this study was to investigate the effect of poly((tert-butyl-amino)-methyl-styrene) (poly(TBAMS)) incorporated into linear low-density polyethylene (LLDPE) on the formation of mono- and mixed-species biofilms. The biofilm on untreated and treated LLDPE was determined after 48 and 168 h. The comparison of the results indicated that the ability of Listeria monocytogenes to form biofilms was completely suppressed by poly(TBAMS) (Δ168 h 3.2 log10 cfu cm-2) and colonization of Staphylococcus aureus and Escherichia coli was significantly delayed, but no effect on Pseudomonas fluorescens was observed. The results of dual-species biofilms showed complex interactions between the microorganisms, but comparable effects on the individual bacteria by poly(TBAMS) were identified. Antimicrobial treatment with poly(TBAMS) shows great potential to prevent biofilms on polymeric surfaces. However, a further development of the material is necessary to reduce the colonization of strong biofilm formers.
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Affiliation(s)
- Carina Hüwe
- a Faculty of Agriculture, Institute of Nutritional and Food Sciences, Food Processing Engineering , University of Bonn , Bonn , Germany
| | - Jennifer Schmeichel
- a Faculty of Agriculture, Institute of Nutritional and Food Sciences, Food Processing Engineering , University of Bonn , Bonn , Germany
| | - Florian Brodkorb
- b Department of Chemical Engineering , University of Applied Sciences Münster , Steinfurt , Germany
| | - Sophia Dohlen
- a Faculty of Agriculture, Institute of Nutritional and Food Sciences, Food Processing Engineering , University of Bonn , Bonn , Germany
| | - Katrin Kalbfleisch
- b Department of Chemical Engineering , University of Applied Sciences Münster , Steinfurt , Germany
| | - Martin Kreyenschmidt
- b Department of Chemical Engineering , University of Applied Sciences Münster , Steinfurt , Germany
| | - Reinhard Lorenz
- b Department of Chemical Engineering , University of Applied Sciences Münster , Steinfurt , Germany
| | - Judith Kreyenschmidt
- a Faculty of Agriculture, Institute of Nutritional and Food Sciences, Food Processing Engineering , University of Bonn , Bonn , Germany
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Cao P, Li WW, Morris AR, Horrocks PD, Yuan CQ, Yang Y. Investigation of the antibiofilm capacity of peptide-modified stainless steel. ROYAL SOCIETY OPEN SCIENCE 2018; 5:172165. [PMID: 29657809 PMCID: PMC5882733 DOI: 10.1098/rsos.172165] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 02/06/2018] [Indexed: 06/08/2023]
Abstract
Biofilm formation on surfaces is an important research topic in ship tribology and medical implants. In this study, dopamine and two types of synthetic peptides were designed and attached to 304 stainless steel surfaces, aiming to inhibit the formation of biofilms. A combinatory surface modification procedure was applied in which dopamine was used as a coupling agent, allowing a strong binding ability with the two peptides. X-ray photoelectron spectroscopy (XPS), elemental analysis, contact angle measurement and surface roughness test were used to evaluate the efficiency of the peptide modification. An antibiofilm assay against Staphylococcus aureus was conducted to validate the antibiofilm capacity of the peptide-modified stainless steel samples. XPS analysis confirmed that the optimal dopamine concentration was 40 µg ml-1 in the coupling reaction. Element analysis showed that dopamine and the peptides had bound to the steel surfaces. The robustness assay of the modified surface demonstrated that most peptide molecules had bound on the surface of the stainless steel firmly. The contact angle of the modified surfaces was significantly changed. Modified steel samples exhibited improved antibiofilm properties in comparison to untreated and dopamine-only counterpart, with the peptide 1 modification displaying the best antibiofilm effect. The modified surfaces showed antibacterial capacity. The antibiofilm capacity of the modified surfaces was also surface topography sensitive. The steel sample surfaces polished with 600# sandpaper exhibited stronger antibiofilm capacity than those polished with other types of sandpapers after peptide modification. These findings present valuable information for future antifouling material research.
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Affiliation(s)
- Pan Cao
- School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, People's Republic of China
- Institute for Science and Technology in Medicine, Keele University, Stoke-on-Trent ST4 7QB, UK
| | - Wen-Wu Li
- Institute for Science and Technology in Medicine, Keele University, Stoke-on-Trent ST4 7QB, UK
| | - Andrew R. Morris
- School of Medicine, Keele University, Newcastle-under-Lyme ST5 5BG, UK
| | - Paul D. Horrocks
- Institute for Science and Technology in Medicine, Keele University, Stoke-on-Trent ST4 7QB, UK
- School of Medicine, Keele University, Newcastle-under-Lyme ST5 5BG, UK
| | - Cheng-Qing Yuan
- School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, People's Republic of China
| | - Ying Yang
- Institute for Science and Technology in Medicine, Keele University, Stoke-on-Trent ST4 7QB, UK
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Cao P, Yuan C, Xiao J, He X, Bai X. A biofilm resistance surface yielded by grafting of antimicrobial peptides on stainless steel surface. SURF INTERFACE ANAL 2018. [DOI: 10.1002/sia.6406] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Pan Cao
- School of Energy and Power Engineering; Wuhan University of Technology; Wuhan 430063 PR China
| | - Chengqing Yuan
- School of Energy and Power Engineering; Wuhan University of Technology; Wuhan 430063 PR China
| | - Jinfei Xiao
- School of Energy and Power Engineering; Wuhan University of Technology; Wuhan 430063 PR China
| | - Xiaoyan He
- School of Energy and Power Engineering; Wuhan University of Technology; Wuhan 430063 PR China
| | - Xiuqin Bai
- School of Energy and Power Engineering; Wuhan University of Technology; Wuhan 430063 PR China
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Costa GA, Rossatto FCP, Medeiros AW, Correa APF, Brandelli A, Frazzon APG, Motta ADESDA. Evaluation antibacterial and antibiofilm activity of the antimicrobial peptide P34 against Staphylococcus aureus and Enterococcus faecalis. AN ACAD BRAS CIENC 2018; 90:73-84. [PMID: 29424388 DOI: 10.1590/0001-3765201820160131] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 06/20/2016] [Indexed: 12/30/2022] Open
Abstract
The adhesion ability of bacteria to abiotic surfaces has important implications in food industries, because these organisms can survive for long periods through the biofilm formation. They can be transferred from one place to another in the industry causing contamination of the food processing environment. In this study, the antibacterial and antibiofilm activities of the antimicrobial peptide P34, characterized as a bacteriocin-like substance (BLS P34) were tested against planktonic and sessile cells of Staphylococcus aureus and Enterococcus faecalis isolated from foods. The BLS P34 showed inhibitory effect against all planktonic cells of E. faecalis. The inhibition of biofilm formation and the eradication of pre-formed biofilm were evaluated with the crystal violet assay and with the reduction of 3-bromide [4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium. The BLS P34 promoted a reduction of percentage of adhered microbial cells on the surface, not being able to perform the complete elimination of biofilm formation. The metabolic activity of S. aureus biofilms decreased considerably between 41-95%. However, E. faecalis cells showed up metabolically stimulated. The BLS P34 has the potential antibiofilm for the species S. aureus. Studies suggest more detailed approaches to a better understanding of the interactions between the antimicrobial and bacterial cells within the biofilm structure.
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Affiliation(s)
- Géssica A Costa
- Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul/UFRGS, Rua Sarmento Leite, 500, 90050-170 Porto Alegre, RS, Brazil
| | - Fernanda C P Rossatto
- Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul/UFRGS, Rua Sarmento Leite, 500, 90050-170 Porto Alegre, RS, Brazil
| | - Aline W Medeiros
- Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul/UFRGS, Rua Sarmento Leite, 500, 90050-170 Porto Alegre, RS, Brazil
| | - Ana Paula F Correa
- Instituto de Ciência e Tecnologia de Alimentos, Laboratório de Bioquímica e Microbiologia Aplicada, Universidade Federal do Rio Grande do Sul/UFRGS, Avenida Bento Gonçalves, 9500, 91501-970 Porto Alegre, RS, Brazil
| | - Adriano Brandelli
- Instituto de Ciência e Tecnologia de Alimentos, Laboratório de Bioquímica e Microbiologia Aplicada, Universidade Federal do Rio Grande do Sul/UFRGS, Avenida Bento Gonçalves, 9500, 91501-970 Porto Alegre, RS, Brazil
| | - Ana Paula G Frazzon
- Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul/UFRGS, Rua Sarmento Leite, 500, 90050-170 Porto Alegre, RS, Brazil
| | - Amanda DE S DA Motta
- Programa de Pós-Graduação em Microbiologia Agrícola e do Ambiente, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul/UFRGS, Rua Sarmento Leite, 500, 90050-170 Porto Alegre, RS, Brazil
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Boden A, Bhave M, Wang PY, Jadhav S, Kingshott P. Binary Colloidal Crystal Layers as Platforms for Surface Patterning of Puroindoline-Based Antimicrobial Peptides. ACS APPLIED MATERIALS & INTERFACES 2018; 10:2264-2274. [PMID: 29281884 DOI: 10.1021/acsami.7b10392] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The ability of bacteria to form biofilms and the emergence of antibiotic-resistant strains have prompted the need to develop the next generation of antibacterial coatings. Antimicrobial peptides (AMPs) are showing promise as molecules that can address these issues, especially if used when immobilized as a surface coating. We present a method that explores how surface patterns together with the selective immobilization of an AMP called PuroA (FPVTWRWWKWWKG-NH2) can be used to both kill bacteria and also as a tool to study bacterial attachment mechanisms. Surface patterning is achieved using stabilized self-assembled binary colloidal crystal (BCC) layers, allowing selective PuroA immobilization to carboxylated particles using N-(3-dimethylaminopropyl)-N'-ethyl carbodiimide (EDC) hydrochloride/N-hydroxysuccinimide (NHS) coupling chemistry. Covalent immobilization of PuroA was compared with physical adsorption (i.e., without the addition of EDC/NHS). The AMP-functionalized colloids and BCC layers were characterized by X-ray photoelectron spectroscopy, ζ potentials, and matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS). Surface antimicrobial activity was assessed by viability assays using Escherichia coli. MALDI-TOF MS analysis revealed that although not all of PuroA was successfully covalently immobilized, a relatively low density of PuroA (1.93 × 1013 molecules/cm2 and 7.14 × 1012 molecules/cm2 for covalent and physical immobilization, respectively) was found to be sufficient at significantly decreasing the viability of E. coli by 70% when compared to that of control samples. The findings provide a proof of concept that BCC layers are a suitable platform for the patterned immobilization of AMPs and the importance of ascertaining the success of small-molecule grafting reactions using surface-MALDI, something that is often assumed to be successful in the field.
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Affiliation(s)
- Andrew Boden
- Department of Chemistry and Biotechnology, School of Science, Faculty of Science, Engineering and Technology, Swinburne University of Technology , Hawthorn, 3122 VIC, Australia
| | - Mrinal Bhave
- Department of Chemistry and Biotechnology, School of Science, Faculty of Science, Engineering and Technology, Swinburne University of Technology , Hawthorn, 3122 VIC, Australia
| | - Peng-Yuan Wang
- Department of Chemistry and Biotechnology, School of Science, Faculty of Science, Engineering and Technology, Swinburne University of Technology , Hawthorn, 3122 VIC, Australia
| | - Snehal Jadhav
- Department of Chemistry and Biotechnology, School of Science, Faculty of Science, Engineering and Technology, Swinburne University of Technology , Hawthorn, 3122 VIC, Australia
| | - Peter Kingshott
- Department of Chemistry and Biotechnology, School of Science, Faculty of Science, Engineering and Technology, Swinburne University of Technology , Hawthorn, 3122 VIC, Australia
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D’Almeida M, Attik N, Amalric J, Brunon C, Renaud F, Abouelleil H, Toury B, Grosgogeat B. Chitosan coating as an antibacterial surface for biomedical applications. PLoS One 2017; 12:e0189537. [PMID: 29236781 PMCID: PMC5728531 DOI: 10.1371/journal.pone.0189537] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 11/27/2017] [Indexed: 01/05/2023] Open
Abstract
Background and objectives A current public health issue is preventing post-surgical complications by designing antibacterial implants. To achieve this goal, in this study we evaluated the antibacterial activity of an animal-free chitosan grafted onto a titanium alloy. Methods Animal-free chitosan binding on the substrate was performed by covalent link via a two-step process using TriEthoxySilylPropyl Succinic Anhydride (TESPSA) as the coupling agent. All grafting steps were studied and validated by means of X-ray Photoelectron Spectroscopy (XPS), Time-of-Flight secondary ion mass spectrometry (ToF-SIMS) analyses and Dynamic-mode Secondary Ion Mass Spectrometry (DSIMS). The antibacterial activity against Escherichia coli and Staphylococcus aureus strains of the developed coating was assessed using the number of colony forming units (CFU). Results XPS showed a significant increase in the C and N atomic percentages assigned to the presence of chitosan. A thick layer of polymer deposit was detected by ToF-SIMS and the results obtained by DSIMS measurements are in agreement with ToF-SIMS and XPS analyses and confirms that the coating synthesis was a success. The developed coating was active against both gram negative and gram positive tested bacteria. Conclusion The success of the chitosan immobilization was proven using the surface characterization techniques applied in this study. The coating was found to be effective against Escherichia coli and Staphylococcus aureus strains.
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Affiliation(s)
- Mélanie D’Almeida
- Université Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire des Multimatériaux et Interfaces, Villeurbanne, France
| | - Nina Attik
- Université Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire des Multimatériaux et Interfaces, Villeurbanne, France
- Université Lyon, Université Claude Bernard Lyon 1, UFR d’Odontologie, Lyon, France
- * E-mail:
| | | | | | - François Renaud
- Université Lyon, Université Claude Bernard Lyon 1, CNRS, MATEIS (UMR 5510), Villeurbanne, France
| | - Hazem Abouelleil
- Université Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire des Multimatériaux et Interfaces, Villeurbanne, France
- Université Lyon, Université Claude Bernard Lyon 1, UFR d’Odontologie, Lyon, France
| | - Bérangère Toury
- Université Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire des Multimatériaux et Interfaces, Villeurbanne, France
| | - Brigitte Grosgogeat
- Université Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire des Multimatériaux et Interfaces, Villeurbanne, France
- Université Lyon, Université Claude Bernard Lyon 1, UFR d’Odontologie, Lyon, France
- Service de Traitements et de Consultations Dentaires, Hospices Civils de Lyon, Lyon, France
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Demir B, Broughton RM, Huang TS, Bozack MJ, Worley SD. Polymeric Antimicrobial N-Halamine-Surface Modification of Stainless Steel. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b02412] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Buket Demir
- Department of Chemistry
and Biochemistry, Auburn University, Auburn, Alabama 36849, United States
| | - R. M. Broughton
- Center for Polymers and Advanced Composites, Department of Mechanical
Engineering, Auburn University, Auburn, Alabama 36849, United States
| | - T. S. Huang
- Department of Poultry Science, Auburn University, Auburn, Alabama 36849, United States
| | - M. J. Bozack
- Department of Physics, Auburn University, Auburn, Alabama 36849, United States
| | - S. D. Worley
- Department of Chemistry
and Biochemistry, Auburn University, Auburn, Alabama 36849, United States
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Elaboration of antibacterial plastic surfaces by a combination of antiadhesive and biocidal coatings of natural products. Colloids Surf B Biointerfaces 2017; 156:186-193. [DOI: 10.1016/j.colsurfb.2017.05.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 05/02/2017] [Accepted: 05/10/2017] [Indexed: 02/02/2023]
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Aveyard J, Bradley JW, McKay K, McBride F, Donaghy D, Raval R, D'Sa RA. Linker-free covalent immobilization of nisin using atmospheric pressure plasma induced grafting. J Mater Chem B 2017; 5:2500-2510. [PMID: 32264556 DOI: 10.1039/c7tb00113d] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The linker-free covalent immobilization of polymers on surfaces has the potential to impart new properties and functions to surfaces for a wide range of applications. However, most current methods for the production of these surfaces involve multiple chemical steps and do not have a high degree of control over the chemical functionalities at the surface. A comprehensive study detailing the facile two-step covalent grafting of the antimicrobial peptide nisin onto polystyrene surfaces is reported. Functionalization is achieved using an atmospheric pressure plasma jet, and the reaction is monitored and compared with a standard wet chemical functionalization approach using a variety of analytical techniques. The reactive species produced by the atmospheric pressure plasma jet were analyzed by mass spectrometry and optical emission spectroscopy. The surface chemistry and topography of the functionalized surfaces were determined using contact angle measurements, Fourier infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy and atomic force microscopy respectively. Following surface analysis, the antimicrobial efficacy of the covalently grafted nisin against two major food borne pathogens (Staphylococcus aureus and Listeria monocytogenes) was assessed at two different pHs. The results demonstrated that a post-plasma treatment step after nisin deposition is required to covalently graft the peptide onto the surface. The covalent immobilization of nisin resulted in a significant reduction in bacterial counts within a short 30 minutes contact time. These surfaces were also significantly more antimicrobial compared to those prepared via a more traditional wet chemical approach indicating that the reported method could be a less expensive and less time consuming alternative.
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Affiliation(s)
- Jenny Aveyard
- Department of Electrical Engineering and Electronics, University of Liverpool, L69 3GJ, UK.
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43
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Chen J, Zhu Y, Song Y, Wang L, Zhan J, He J, Zheng J, Zhong C, Shi X, Liu S, Ren L, Wang Y. Preparation of an antimicrobial surface by direct assembly of antimicrobial peptide with its surface binding activity. J Mater Chem B 2017; 5:2407-2415. [DOI: 10.1039/c6tb03337g] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The designed antimicrobial peptide has surface binding activity onto titanium, gold, polymethyl methacrylate and hydroxyapatite substrates.
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Affiliation(s)
- Junjian Chen
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - Yuchen Zhu
- National Engineering Research Centre for Tissue Restoration & Reconstruction
- Guangzhou 510006
- China
| | - Yancheng Song
- The Third Affiliated Hospital of Southern Medical University
- Guangzhou 510630
- China
| | - Lin Wang
- Guangdong Province Key Laboratory of Biomedical Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - Jiezhao Zhan
- National Engineering Research Centre for Tissue Restoration & Reconstruction
- Guangzhou 510006
- China
| | - Jingcai He
- Guangdong Province Key Laboratory of Biomedical Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - Jian Zheng
- National Engineering Research Centre for Tissue Restoration & Reconstruction
- Guangzhou 510006
- China
| | - Chunting Zhong
- Guangdong Province Key Laboratory of Biomedical Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - Xuetao Shi
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
| | - Sa Liu
- National Engineering Research Centre for Tissue Restoration & Reconstruction
- Guangzhou 510006
- China
| | - Li Ren
- National Engineering Research Centre for Tissue Restoration & Reconstruction
- Guangzhou 510006
- China
| | - Yingjun Wang
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou 510641
- China
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Rai A, Pinto S, Evangelista MB, Gil H, Kallip S, Ferreira MG, Ferreira L. High-density antimicrobial peptide coating with broad activity and low cytotoxicity against human cells. Acta Biomater 2016; 33:64-77. [PMID: 26821340 DOI: 10.1016/j.actbio.2016.01.035] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2014] [Revised: 12/18/2015] [Accepted: 01/23/2016] [Indexed: 01/24/2023]
Abstract
Medical device-associated infections are a multi-billion dollar burden for the worldwide healthcare systems. The modification of medical devices with non-leaching coatings capable of killing microorganisms on contact is one of the strategies being investigated to prevent microorganism colonization. Here we developed a robust antimicrobial coating based on the chemical immobilization of the antimicrobial peptide (AMP), cecropin-melittin (CM), on gold nanoparticles coated surfaces. The concentration of AMP immobilized (110 μg/cm(2)) was higher than most of the studies reported so far (<10 μg/cm(2)). This translated onto a coating with high antimicrobial activity against Gram positive and negative bacteria sp., as well as multi-drug resistant bacteria. Studies with E. coli reporter bacteria showed that these coatings induced the permeability of the outer membrane of bacteria in less than 5 min and the inner membrane in approximately 20 min. Importantly, the antimicrobial properties of the coating are maintained in the presence of 20% (v/v) human serum, and have low probability to induce bacteria resistance. We further show that coatings have low toxicity against human endothelial and fibroblast cells and is hemocompatible since it does not induce platelet and complement activation. The antimicrobial coating described here may be promising to prevent medical device-associated infections. STATEMENT OF SIGNIFICANCE In recent years, antimicrobial peptides (AMPs) have been chemically immobilized on surfaces of medical devices to render them with antimicrobial properties. Surfaces having immobilized cationic peptides are susceptible to be adsorbed by plasma proteins with the subsequent loss of antimicrobial activity. Furthermore, with the exception of very few studies that have determined the cytotoxicity of surfaces in mammalian cells, the effect of the immobilized AMP on human cells is relatively unknown. Here we report a coating based on cecropin-melittin peptide (CM) that maintains its antimicrobial activity against Gram-positive and negative bacteria including multi-drugs resistance bacteria in the presence of serum and has relatively low cytotoxicity against human cells. The reported coatings may be translated on to variety of substrates (glass and titanium) and medical devices to prevent device-associated microbial infection.
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45
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Yüksel E, Karakeçili A, Demirtaş TT, Gümüşderelioğlu M. Preparation of bioactive and antimicrobial PLGA membranes by magainin II/EGF functionalization. Int J Biol Macromol 2016; 86:162-8. [PMID: 26802245 DOI: 10.1016/j.ijbiomac.2016.01.061] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Revised: 01/13/2016] [Accepted: 01/18/2016] [Indexed: 11/29/2022]
Abstract
Development of dual functional materials that are capable of both reducing bacterial interaction and encouraging host tissue integration has gained importance in design of biomaterials. In this study, we prepared a bilayer poly (lactide co-glycolide) fibrous membrane with antibacterial and bioactive properties by electrospinning. The antibacterial layer was produced by covalent immobilization of antimicrobial peptide, Magainin II. The bioactive layer incorporating epidermal growth factor (EGF) molecules was subsequently electrospun on the antibacterial layer. The membranes were characterized by X-ray photoelectron spectroscopy, scanning electron microscopy and fluorescence microscopy. EGF release was detected by enzyme-linked immunosorbent assay. The antibacterial activity was tested against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). The ability to support tissue cell integration was detected by using L-929 mouse fibroblasts. The dual functional membranes established enhanced antibacterial properties and increased tissue cell compatibility. This combined approach suggests a promising strategy for wound dressings, vascular grafts and dental membranes as well as catheters and fixation devices.
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Affiliation(s)
- Emre Yüksel
- Ankara University, Faculty of Engineering, Chemical Engineering Department, 06100 Ankara, Turkey
| | - Ayşe Karakeçili
- Ankara University, Faculty of Engineering, Chemical Engineering Department, 06100 Ankara, Turkey.
| | - T Tolga Demirtaş
- Hacettepe University, Bioengineering Department, 06800, Beytepe, Ankara, Turkey
| | - Menemşe Gümüşderelioğlu
- Hacettepe University, Bioengineering Department, 06800, Beytepe, Ankara, Turkey; Hacettepe University, Chemical Engineering Department 06800, Beytepe, Ankara, Turkey
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Abstract
The dramatic rise in the incidence of antibiotic resistance demands that new therapeutic options will have to be developed. One potentially interesting class of antimicrobials are the modified bacteriocins termed lantibiotics, which are bacterially produced, posttranslationally modified, lanthionine/methyllanthionine-containing peptides. It is interesting that low levels of resistance have been reported for lantibiotics compared with commercial antibiotics. Given that there are very few examples of naturally occurring lantibiotic resistance, attempts have been made to deliberately induce resistance phenotypes in order to investigate this phenomenon. Mechanisms that hinder the action of lantibiotics are often innate systems that react to the presence of any cationic peptides/proteins or ones which result from cell well damage, rather than being lantibiotic specific. Such resistance mechanisms often arise due to altered gene regulation following detection of antimicrobials/cell wall damage by sensory proteins at the membrane. This facilitates alterations to the cell wall or changes in the composition of the membrane. Other general forms of resistance include the formation of spores or biofilms, which are a common mechanistic response to many classes of antimicrobials. In rare cases, bacteria have been shown to possess specific antilantibiotic mechanisms. These are often species specific and include the nisin lytic protein nisinase and the phenomenon of immune mimicry.
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Affiliation(s)
- Lorraine A Draper
- School of Microbiology, University College Cork, Cork, Ireland Alimentary Pharmabiotic Centre, University College Cork, Cork, Ireland
| | - Paul D Cotter
- Alimentary Pharmabiotic Centre, University College Cork, Cork, Ireland Teagasc Food Research Centre, Moorepark, Fermoy, County Cork, Ireland
| | - Colin Hill
- School of Microbiology, University College Cork, Cork, Ireland Alimentary Pharmabiotic Centre, University College Cork, Cork, Ireland
| | - R Paul Ross
- School of Microbiology, University College Cork, Cork, Ireland Alimentary Pharmabiotic Centre, University College Cork, Cork, Ireland
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Zhu X, Wu H, Yang J, Tong J, Yi J, Hu Z, Hu J, Wang T, Fan L. Antibacterial activity of chitosan grafting nisin: Preparation and characterization. REACT FUNCT POLYM 2015. [DOI: 10.1016/j.reactfunctpolym.2015.04.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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48
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Soares JW, Kirby R, Doherty LA, Meehan A, Arcidiacono S. Immobilization and orientation-dependent activity of a naturally occurring antimicrobial peptide. J Pept Sci 2015; 21:669-79. [DOI: 10.1002/psc.2787] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 03/10/2015] [Accepted: 04/27/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Jason W. Soares
- U.S. Army Natick Soldier Research, Development and Engineering Center; Natick MA 01760 USA
| | - Romy Kirby
- U.S. Army Natick Soldier Research, Development and Engineering Center; Natick MA 01760 USA
| | - Laurel A. Doherty
- U.S. Army Natick Soldier Research, Development and Engineering Center; Natick MA 01760 USA
| | - Alexa Meehan
- U.S. Army Natick Soldier Research, Development and Engineering Center; Natick MA 01760 USA
| | - Steven Arcidiacono
- U.S. Army Natick Soldier Research, Development and Engineering Center; Natick MA 01760 USA
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Bastarrachea LJ, Goddard JM. Antimicrobial coatings with dual cationic and N-halamine character: characterization and biocidal efficacy. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:4243-4251. [PMID: 25871333 DOI: 10.1021/acs.jafc.5b00445] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A method to prepare an antimicrobial coating for food-handling materials is reported. Alternating layers of branched polyethylenimine and styrene maleic anhydride copolymer were applied onto the surface of polypropylene. The resulting coatings had low surface energy and presented enhanced antimicrobial character due to the presence of both cationic and N-halamine forming structures. In its unchlorinated form, the coating inactivated Listeria monocytogenes by ∼3 logarithmic cycles. In the form of N-halamines >5 logarithmic cycles were reached. Microbial inactivation kinetics showed a Weibullian behavior when the coating was unchlorinated and a sigmoidal behavior when chlorinated. Microscopy confirmed that the reduction in the microbial load was due to biocidal effects of the coating and not bacterial adhesion onto the modified surface. The modified surface was able to be repeatedly rechlorinated. Such rechargeable antimicrobial coatings may support improving food safety by reducing cross-contamination of microorganisms from food-processing equipment.
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Affiliation(s)
- Luis J Bastarrachea
- Department of Food Science, University of Massachusetts, 102 Holdsworth Way, Amherst, Massachusetts 01003, United States
| | - Julie M Goddard
- Department of Food Science, University of Massachusetts, 102 Holdsworth Way, Amherst, Massachusetts 01003, United States
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50
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Bastarrachea LJ, Denis-Rohr A, Goddard JM. Antimicrobial Food Equipment Coatings: Applications and Challenges. Annu Rev Food Sci Technol 2015; 6:97-118. [DOI: 10.1146/annurev-food-022814-015453] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Luis J. Bastarrachea
- Department of Food Science, University of Massachusetts Amherst, Amherst, Massachusetts 01003;
| | - Anna Denis-Rohr
- Department of Food Science, University of Massachusetts Amherst, Amherst, Massachusetts 01003;
| | - Julie M. Goddard
- Department of Food Science, University of Massachusetts Amherst, Amherst, Massachusetts 01003;
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