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Jeong GJ, Khan F, Tabassum N, Kim YM. Alteration of oral microbial biofilms by sweeteners. Biofilm 2024; 7:100171. [PMID: 38197082 PMCID: PMC10772577 DOI: 10.1016/j.bioflm.2023.100171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/14/2023] [Accepted: 12/11/2023] [Indexed: 01/11/2024] Open
Abstract
There is a growing interest in using sweeteners for taste improvement in the food and drink industry. Sweeteners were found to regulate the formation or dispersal of structural components of microbial biofilms. Dietary sugars may enhance biofilm formation and facilitate the development of antimicrobial resistance, which has become a major health issue worldwide. In contrast, bulk and non-nutritive sweeteners are also beneficial for managing microbial infections. This review discusses the clinical significance of oral biofilms formed upon the administration of nutritive and non-nutritive sweeteners. The underlying mechanism of action of sweeteners in the regulation of mono- or poly-microbial biofilm formation and destruction is comprehensively discussed. Bulk and non-nutritive sweeteners have also been used in conjunction with antimicrobial substances to reduce microbial biofilm formation. Formulations with bulk and non-nutritive sweeteners have been demonstrated to be particularly efficient in this regard. Finally, future perspectives with respect to advancing our understanding of mechanisms underlying biofilm regulation activities of sweeteners are presented as well. Several alternative strategies for the application of bulk sweeteners and non-nutritive sweeteners have been employed to control the biofilm-forming microbial pathogens. Gaining insight into the underlying mechanisms responsible for enhancing or inhibiting biofilm formation and virulence properties by both mono- and poly-microbial species in the presence of the sweetener is crucial for developing a therapeutic agent to manage microbial infections.
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Affiliation(s)
- Geum-Jae Jeong
- Department of Food Science and Technology, Pukyong National University, Busan, 48513, Republic of Korea
| | - Fazlurrahman Khan
- Institute of Fisheries Sciences, Pukyong National University, Busan, 48513, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
| | - Nazia Tabassum
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
| | - Young-Mog Kim
- Department of Food Science and Technology, Pukyong National University, Busan, 48513, Republic of Korea
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan, 48513, Republic of Korea
- Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, 48513, Republic of Korea
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Mordzińska-Rak A, Szałapata K, Wydrych J, Gagoś M, Jarosz-Wilkołazka A. Attachment of Proteolytic Enzyme Inhibitors to Vascular Prosthesis-An Analysis of Binding and Antimicrobial Properties. Molecules 2024; 29:935. [PMID: 38474448 DOI: 10.3390/molecules29050935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 03/14/2024] Open
Abstract
Prosthetic infections are associated with high morbidity, mortality, and relapse rates, making them still a serious problem for implantology. Staphylococcus aureus is one of the most common bacterial pathogens causing prosthetic infections. In response to the increasing rate of bacterial resistance to commonly used antibiotics, this work proposes a method for combating pathogenic microorganisms by modifying the surfaces of synthetic polymeric biomaterials using proteolytic enzyme inhibitors (serine protease inhibitors-4-(2-aminoethyl)benzenesulfonyl fluoride hydrochloride and puromycin). While using techniques based on the immobilization of biologically active molecules, it is important to monitor the changes occurring on the surface of the modified biomaterial, where spectroscopic techniques (e.g., FTIR) are ideal. ATR-FTIR measurements demonstrated that the immobilization of both inhibitors caused large structural changes on the surface of the tested vascular prostheses (polyester or polytetrafluoroethylene) and showed that they were covalently bonded to the surfaces of the biomaterials. Next, the bactericidal and antibiofilm activities of the tested serine protease inhibitors were determined using the CLSM microscopic technique with fluorescent staining. During LIVE/DEAD analyses, a significant decrease in the formation of Staphylococcus aureus biofilm after exposure to selected concentrations of native inhibitors (0.02-0.06 mg/mL for puromycin and 0.2-1 mg/mL for 4-(2-aminoethyl)benzenesulfonyl fluoride hydrochloride) was demonstrated.
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Affiliation(s)
- Aleksandra Mordzińska-Rak
- Department of Biochemistry and Biotechnology, Institute of Biological Science, Maria Curie-Skłodowska University, Akademicka 19, 20-031 Lublin, Poland
| | - Katarzyna Szałapata
- Department of Biochemistry and Biotechnology, Institute of Biological Science, Maria Curie-Skłodowska University, Akademicka 19, 20-031 Lublin, Poland
| | - Jerzy Wydrych
- Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka 19, 20-031 Lublin, Poland
| | - Mariusz Gagoś
- Department of Cell Biology, Institute of Biological Science, Maria Curie-Skłodowska University, Akademicka 19, 20-031 Lublin, Poland
| | - Anna Jarosz-Wilkołazka
- Department of Biochemistry and Biotechnology, Institute of Biological Science, Maria Curie-Skłodowska University, Akademicka 19, 20-031 Lublin, Poland
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Nouruzi E, Hosseini SM, Asghari B, Mahjoub R, Zare EN, Shahbazi MA, Kalhori F, Arabestani MR. Effect of poly (lactic-co-glycolic acid) polymer nanoparticles loaded with vancomycin against Staphylococcus aureus biofilm. BMC Biotechnol 2023; 23:39. [PMID: 37723466 PMCID: PMC10506343 DOI: 10.1186/s12896-023-00811-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 09/07/2023] [Indexed: 09/20/2023] Open
Abstract
Staphylococcus aureus is a unique challenge for the healthcare system because it can form biofilms, is resistant to the host's immune system, and is resistant to numerous antimicrobial therapies. The aim of this study was to investigate the effect of poly (lactic-co-glycolic acid) (PLGA) polymer nanoparticles loaded with vancomycin and conjugated with lysostaphin (PLGA-VAN-LYS) on inhibiting S. aureus biofilm formation. Nano drug carriers were produced using the double emulsion evaporation process. we examined the physicochemical characteristics of the nanoparticles, including particle size, polydispersity index (PDI), zeta potential, drug loading (DL), entrapment efficiency (EE), Lysostaphin conjugation efficiency (LCE), and shape. The effect of the nano drug carriers on S. aureus strains was evaluated by determining the minimum inhibitory concentration (MIC), conducting biofilm formation inhibition studies, and performing agar well diffusion tests. The average size, PDI, zeta potential, DL, EE, and LCE of PLGA-VAN-LYS were 320.5 ± 35 nm, 0.270 ± 0.012, -19.5 ± 1.3 mV, 16.75 ± 2.5%, 94.62 ± 2.6%, and 37% respectively. Both the agar well diffusion and MIC tests did not show a distinction between vancomycin and the nano drug carriers after 72 h. However, the results of the biofilm analysis demonstrated that the nano drug carrier had a stronger inhibitory effect on biofilm formation compared to the free drug. The use of this technology for treating hospital infections caused by the Staphylococcus bacteria may have favorable effects on staphylococcal infections, considering the efficacy of the nano medicine carrier developed in this study.
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Affiliation(s)
- Ellahe Nouruzi
- Department of Microbiology, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, IR, Iran
| | - Seyed Mostafa Hosseini
- Department of Microbiology, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, IR, Iran.
- Infectious Disease Research Center, Hamadan University of Medical Sciences, Hamadan, IR, Iran.
| | - Babak Asghari
- Department of Microbiology, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, IR, Iran
| | - Reza Mahjoub
- Department of Pharmacology and Toxicology, School of Pharmacy, Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | | | - Mohammad-Ali Shahbazi
- Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Fereshte Kalhori
- Biotechnology department, Hamadan University of Medical Sciences, Hamadan, IR, Iran
| | - Mohammad Reza Arabestani
- Department of Microbiology, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, IR, Iran.
- Infectious Disease Research Center, Hamadan University of Medical Sciences, Hamadan, IR, Iran.
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Exploring Possible Ways to Enhance the Potential and Use of Natural Products through Nanotechnology in the Battle against Biofilms of Foodborne Bacterial Pathogens. Pathogens 2023; 12:pathogens12020270. [PMID: 36839543 PMCID: PMC9967150 DOI: 10.3390/pathogens12020270] [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: 12/29/2022] [Revised: 01/30/2023] [Accepted: 02/01/2023] [Indexed: 02/10/2023] Open
Abstract
Biofilms enable pathogenic bacteria to survive in unfavorable environments. As biofilm-forming pathogens can cause rapid food spoilage and recurrent infections in humans, especially their presence in the food industry is problematic. Using chemical disinfectants in the food industry to prevent biofilm formation raises serious health concerns. Further, the ability of biofilm-forming bacterial pathogens to tolerate disinfection procedures questions the traditional treatment methods. Thus, there is a dire need for alternative treatment options targeting bacterial pathogens, especially biofilms. As clean-label products without carcinogenic and hazardous potential, natural compounds with growth and biofilm-inhibiting and biofilm-eradicating potentials have gained popularity as natural preservatives in the food industry. However, the use of these natural preservatives in the food industry is restricted by their poor availability, stability during food processing and storage. Also there is a lack of standardization, and unattractive organoleptic qualities. Nanotechnology is one way to get around these limitations and as well as the use of underutilized bioactives. The use of nanotechnology has several advantages including traversing the biofilm matrix, targeted drug delivery, controlled release, and enhanced bioavailability, bioactivity, and stability. The nanoparticles used in fabricating or encapsulating natural products are considered as an appealing antibiofilm strategy since the nanoparticles enhance the activity of the natural products against biofilms of foodborne bacterial pathogens. Hence, this literature review is intended to provide a comprehensive analysis of the current methods in nanotechnology used for natural products delivery (biofabrication, encapsulation, and nanoemulsion) and also discuss the different promising strategies employed in the recent and past to enhance the inhibition and eradication of foodborne bacterial biofilms.
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Antibiofilm Synergistic Activity of Streptomycin in Combination with Thymol-Loaded Poly (Lactic-co-glycolic Acid) Nanoparticles against Klebsiella pneumoniae Isolates. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:1936165. [PMID: 35911151 PMCID: PMC9334066 DOI: 10.1155/2022/1936165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/12/2022] [Accepted: 07/01/2022] [Indexed: 11/17/2022]
Abstract
Background. Thymol is an important component of essential oils found in the oil of thyme, is extracted mainly from Thymus vulgaris, and was shown to act synergistically with streptomycin against Klebsiella pneumoniae biofilms. Additionally, thymol could be encapsulated into poly (lactic-co-glycolic acid) (PLGA) nanoparticles to overcome issues related to its low water solubility and high volatility. The present study aimed to investigate the antibiofilm activity of thymol-loaded PLGA nanoparticles (Thy-NPs) alone and in combination with streptomycin against biofilms of K. pneumoniae isolates. Methods. The broth microdilution method was used to determine the minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). The antibiofilm activities were determined by the safranin dye assay. The synergistic effect of Thy-NPs with streptomycin was assessed by the checkerboard method. The kinetic study of the biofilm biomass and time-kill assay were further performed. Results. Thy-NPs exhibited the highest antibacterial activity against K. pneumoniae isolates, with MIC values ranging from 1 to 8 µg/mL. Additionally, Thy-NPs showed the highest antibiofilm activity against K. pneumoniae isolates with minimal biofilm inhibitory concentration (MBIC) and minimal biofilm eradication concentration (MBEC) values ranging from 16 to 64 µg/mL and from 32 to 128 µg/Ml, respectively. The combination treatment combining Thy-NPs with streptomycin showed a synergistic effect against the inhibition of biofilm formation and eradication of biofilms of K. pneumoniae isolates with fractional inhibitory concentration index values ranging from 0.13 to 0.28. In addition, the MBIC and MBEC values of streptomycin against K. pneumoniae isolates were dramatically reduced (up to 128-fold) in combination with Thy-NPs, suggesting that Thy-NPs would enhance the antibiofilm activity of streptomycin. The biomass and time-kill kinetics analysis confirmed the observed synergistic interactions and showed the bactericidal activity of streptomycin in combination with Thy-NPs. Conclusions. Our results indicate that the synergistic bactericidal effect between streptomycin and Thy-NPs could be a promising approach in the control of biofilm-associated infections caused by K. pneumoniae.
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Al-Wrafy FA, Al-Gheethi AA, Ponnusamy SK, Noman EA, Fattah SA. Nanoparticles approach to eradicate bacterial biofilm-related infections: A critical review. CHEMOSPHERE 2022; 288:132603. [PMID: 34678351 DOI: 10.1016/j.chemosphere.2021.132603] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/06/2021] [Accepted: 10/16/2021] [Indexed: 06/13/2023]
Abstract
Biofilm represents one of the crucial factors for the emergence of multi-drug resistance bacterial infections. The high mortality, morbidity and medical device-related infections are associated with biofilm formation, which requires primarily seek alternative treatment strategies. Recently, nanotechnology has emerged as a promising method for eradicating bacterial biofilm-related infection. The efficacy of nanoparticles (NPs) against bacterial infections interest great attention, and the researches on the subject are rapidly increasing. However, the majority of studies continue to focus on the antimicrobial effects of NPs in vitro, while only a few achieved in vivo and very few registered as clinical trials. The present review aimed to organize the scattered available information regarding NPs approach to eradicate bacterial biofilm-related infections. The current review highlighted the advantages and disadvantages associated with this approach, in addition to the challenges that prevent reaching the clinical applications. It was appeared that the production of NPs either as antimicrobials or as drug carriers requires further investigations to overcome the obstacles associated with their kinetic and biocompatibility.
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Affiliation(s)
- Fairoz Ali Al-Wrafy
- Department of Applied Microbiology, Faculty of Applied Science, Taiz University, 6350, Taiz, Yemen.
| | - Adel Ali Al-Gheethi
- Civil Department, Faculty of Civil Engineering and Built Environment, Universiti Tun Hussein Onn Malaysia, 86400, Batu Pahat, Johor, Malaysia.
| | - Senthil Kumar Ponnusamy
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India
| | - Efaq Ali Noman
- Department of Applied Microbiology, Faculty of Applied Science, Taiz University, 6350, Taiz, Yemen
| | - Shaima Abdul Fattah
- Department of Applied Microbiology, Faculty of Applied Science, Taiz University, 6350, Taiz, Yemen; Department of Biological Sciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia
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Gwak MA, Hong BM, Park WH. Hyaluronic acid/tannic acid hydrogel sunscreen with excellent anti-UV, antioxidant, and cooling effects. Int J Biol Macromol 2021; 191:918-924. [PMID: 34597695 DOI: 10.1016/j.ijbiomac.2021.09.169] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/17/2021] [Accepted: 09/24/2021] [Indexed: 12/29/2022]
Abstract
Excessive exposure to UV radiation is one of the major factors that causes skin aging, erythema, burns, and skin cancer. Recently, the usage of sunscreens for skin protection has increased because the amount of UV radiation reaching the Earth's surface has increased owing to the destruction of the ozone layer that blocks UV radiation. Hydrogels with a three-dimensional network structure exhibit physical and chemical properties that are similar to those of the extracellular matrix in the human body, a high water content, flexibility, and biocompatibility. Therefore, they are applied in a wide range of fields, such as in cosmetics, medicines, and pharmaceuticals. However, conventional hydrogel-based sunscreens have drawbacks such as complicated process conditions, high cost, and low biocompatibility. In this study, a novel hydrogel-type sunscreen with excellent UV protection and cooling effects was prepared by a very simple process using two natural materials, hyaluronic acid (HA) and tannic acid (TA). The HA/TA hydrogels exhibited broad-spectrum UV protection in the UVA and UVB regions (280-360 nm). In addition, they showed excellent adhesion to the skin surface, antioxidative activity, cooling effect, and high moisture content, demonstrating great application potential as a hydrogel-type sunscreen.
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Affiliation(s)
- Min A Gwak
- Department of Organic Materials Engineering, Chungnam National University, Daejeon 34134, South Korea
| | - Bo Min Hong
- Department of Organic Materials Engineering, Chungnam National University, Daejeon 34134, South Korea
| | - Won Ho Park
- Department of Organic Materials Engineering, Chungnam National University, Daejeon 34134, South Korea.
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Mevo SIU, Ashrafudoulla M, Furkanur Rahaman Mizan M, Park SH, Ha SD. Promising strategies to control persistent enemies: Some new technologies to combat biofilm in the food industry-A review. Compr Rev Food Sci Food Saf 2021; 20:5938-5964. [PMID: 34626152 DOI: 10.1111/1541-4337.12852] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 09/01/2021] [Accepted: 09/04/2021] [Indexed: 01/22/2023]
Abstract
Biofilm is an advanced form of protection that allows bacterial cells to withstand adverse environmental conditions. The complex structure of biofilm results from genetic-related mechanisms besides other factors such as bacterial morphology or substratum properties. Inhibition of biofilm formation of harmful bacteria (spoilage and pathogenic bacteria) is a critical task in the food industry because of the enhanced resistance of biofilm bacteria to stress, such as cleaning and disinfection methods traditionally used in food processing plants, and the increased food safety risks threatening consumer health caused by recurrent contamination and rapid deterioration of food by biofilm cells. Therefore, it is urgent to find methods and strategies for effectively combating bacterial biofilm formation and eradicating mature biofilms. Innovative and promising approaches to control bacteria and their biofilms are emerging. These new approaches range from methods based on natural ingredients to the use of nanoparticles. This literature review aims to describe the efficacy of these strategies and provide an overview of recent promising biofilm control technologies in the food processing sector.
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Affiliation(s)
| | - Md Ashrafudoulla
- Food Science and Technology Department, Chung-Ang University, Anseong, Republic of Korea
| | | | - Si Hong Park
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon, USA
| | - Sang-Do Ha
- Food Science and Technology Department, Chung-Ang University, Anseong, Republic of Korea
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Thomsen H, Agnes M, Uwangue O, Persson L, Mattsson M, Graf FE, Kasimati EM, Yannakopoulou K, Ericson MB, Farewell A. Increased antibiotic efficacy and noninvasive monitoring of Staphylococcus epidermidis biofilms using per-cysteamine-substituted γ-cyclodextrin - A delivery effect validated by fluorescence microscopy. Int J Pharm 2020; 587:119646. [PMID: 32679261 DOI: 10.1016/j.ijpharm.2020.119646] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/09/2020] [Accepted: 07/09/2020] [Indexed: 12/17/2022]
Abstract
Limited and poor delivery of antibiotics is cited as one reason for the difficulty in treating antibiotic-resistant biofilms associated with chronic infections. We investigate the effectiveness of a positively charged, single isomer cyclodextrin derivative, octakis[6-(2-aminoethylthio)-6-deoxy]-γ-CD (γCys) to improve the delivery of antibiotics to biofilms. Using multiphoton laser scanning microscopy complemented with super-resolution fluorescence microscopy, we showed that γCys tagged with fluorescein (FITC) is uniformly distributed throughout live S. epidermidis biofilm cultures in vitro and results suggest it is localized extracellularly in the biofilm matrix. NMR spectroscopic data in aqueous solution confirm that γCys forms inclusion complexes with both the antibiotics oxacillin and rifampicin. Efficacy of γCys/antibiotic (oxacillin and rifampicin) was measured in the biofilms. While treatment with γCys/oxacillin had little improvement over oxacillin alone, γCys/rifampicin reduced the biofilm viability to background levels demonstrating a remarkable improvement over rifampicin alone. The strong synergistic effect for γCys/rifampicin is at this stage not clearly understood, but plausible explanations are related to increased solubility of rifampicin upon complexation and/or synergistic interference with components of the biofilm. The results demonstrate that designed cyclodextrin nanocarriers, like γCys, efficiently deliver suitable antibiotics to biofilms and that fluorescence microscopy offers a novel approach for mechanistic investigations.
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Affiliation(s)
- Hanna Thomsen
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden; CARe, Centre for Antibiotic Resistance Research, University of Gothenburg, Sweden
| | - Marco Agnes
- Institute of Nanoscience & Nanotechnology, National Center for Scientific Research " Demokritos", Aghia Paraskevi Attikis 15341, Greece
| | - Owens Uwangue
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden
| | - Linnéa Persson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden
| | - Matilda Mattsson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden
| | - Fabrice E Graf
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden; CARe, Centre for Antibiotic Resistance Research, University of Gothenburg, Sweden
| | - Eleni-Marina Kasimati
- Institute of Nanoscience & Nanotechnology, National Center for Scientific Research " Demokritos", Aghia Paraskevi Attikis 15341, Greece
| | - Konstantina Yannakopoulou
- Institute of Nanoscience & Nanotechnology, National Center for Scientific Research " Demokritos", Aghia Paraskevi Attikis 15341, Greece
| | - Marica B Ericson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden
| | - Anne Farewell
- Department of Chemistry and Molecular Biology, University of Gothenburg, Box 462, 40530, Sweden; CARe, Centre for Antibiotic Resistance Research, University of Gothenburg, Sweden.
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The battle against biofilm infections: juglone loaded nanoparticles as an anticandidal agent. J Biotechnol 2020; 316:17-26. [PMID: 32315688 DOI: 10.1016/j.jbiotec.2020.04.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 01/22/2020] [Accepted: 04/14/2020] [Indexed: 10/24/2022]
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Lemoine V, Bernard C, Leman-Loubière C, Clément-Larosière B, Girardot M, Boudesocque-Delaye L, Munnier E, Imbert C. Nanovectorized Microalgal Extracts to Fight Candida albicans and Cutibacterium acnes Biofilms: Impact of Dual-Species Conditions. Antibiotics (Basel) 2020; 9:E279. [PMID: 32466354 PMCID: PMC7344943 DOI: 10.3390/antibiotics9060279] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/22/2020] [Accepted: 05/23/2020] [Indexed: 12/19/2022] Open
Abstract
Biofilm-related infections are a matter of concern especially because of the poor susceptibility of microorganisms to conventional antimicrobial agents. Innovative approaches are needed. The antibiofilm activity of extracts of cyanobacteria Arthrospira platensis, rich in free fatty acids, as well as of extract-loaded copper alginate-based nanocarriers, were studied on single- and dual-species biofilms of Candida albicans and Cutibacterium acnes. Their ability to inhibit the biofilm formation and to eradicate 24 h old biofilms was investigated. Concentrations of each species were evaluated using flow cytometry. Extracts prevented the growth of C. acnes single-species biofilms (inhibition > 75% at 0.2 mg/mL) but failed to inhibit preformed biofilms. Nanovectorised extracts reduced the growth of single-species C. albicans biofilms (inhibition > 43% at 0.2 mg/mL) while free extracts were weakly or not active. Nanovectorised extracts also inhibited preformed C. albicans biofilms by 55% to 77%, whereas the corresponding free extracts were not active. In conclusion, even if the studied nanocarrier systems displayed promising activity, especially against C. albicans, their efficacy against dual-species biofilms was limited. This study highlighted that working in such polymicrobial conditions can give a more objective view of the relevance of antibiofilm strategies by taking into account interspecies interactions that can offer additional protection to microbes.
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Affiliation(s)
- Virginie Lemoine
- Laboratoire Ecologie et Biologie des Interactions, Université de Poitiers, UMR CNRS 7267, 86073 Poitiers, France; (V.L.); (C.B.); (M.G.)
| | - Clément Bernard
- Laboratoire Ecologie et Biologie des Interactions, Université de Poitiers, UMR CNRS 7267, 86073 Poitiers, France; (V.L.); (C.B.); (M.G.)
| | - Charlotte Leman-Loubière
- Laboratoire SIMBA EA 7502, Faculté de Pharmacie, Université de Tours, 31 avenue Monge, 37200 Tours, France; (C.L.-L.); (L.B.-D.)
| | | | - Marion Girardot
- Laboratoire Ecologie et Biologie des Interactions, Université de Poitiers, UMR CNRS 7267, 86073 Poitiers, France; (V.L.); (C.B.); (M.G.)
| | - Leslie Boudesocque-Delaye
- Laboratoire SIMBA EA 7502, Faculté de Pharmacie, Université de Tours, 31 avenue Monge, 37200 Tours, France; (C.L.-L.); (L.B.-D.)
| | - Emilie Munnier
- Laboratoire Nanomédicaments et Nanosondes EA 6295, Faculté de Pharmacie, Université de Tours, 31 avenue Monge, 37200 Tours, France;
| | - Christine Imbert
- Laboratoire Ecologie et Biologie des Interactions, Université de Poitiers, UMR CNRS 7267, 86073 Poitiers, France; (V.L.); (C.B.); (M.G.)
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Vimala RTV, Lija Escaline J, Sivaramakrishnan S. Characterization of self-assembled bioflocculant from the microbial consortium and its applications. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 258:110000. [PMID: 31929048 DOI: 10.1016/j.jenvman.2019.110000] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 11/17/2019] [Accepted: 12/12/2019] [Indexed: 06/10/2023]
Abstract
Bioflocculant has been recently exploited in various research activities. In this research, we report for the first time that a novel bioflocculant can self-assemble into nanoparticles with an irregular structure in solution. Bioflocculant has been developed from novel consortium encompassing Enterococcus faecalis, Proteus mirabilis, Lysini bacillus sp., inoculated into the modified medium such as hydrolyzed wheat bran and rice bran extract. Characterization of bioflocculant shows that it is made up of mannose, fructose, raffinose, and galactose with a slightly negative charges. They are further characterized by FTIR and XPS. 3D-EEM and MALDITOF-MS are confirmed the proteoglycan nature of the bioflocculant. These bioflocculant not only exhibits greater biosorption of heavy metals by self-flocculating (or) self-aggregating activity, but also possesses mosquitocidal and anti-biofilm activity due to its cell surface modification. Further research have to be carried out regarding the mechanism of self-assembly nature of bioflocculant into nanoparticle in solution which provide a new path for bioremediation and biomedical application.
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Affiliation(s)
- R T V Vimala
- Department of Biotechnology, Bharathidasan University, Tiruchirappalli, 620024, India
| | - J Lija Escaline
- Department of Biotechnology, Bharathidasan University, Tiruchirappalli, 620024, India
| | - S Sivaramakrishnan
- Department of Biotechnology, Bharathidasan University, Tiruchirappalli, 620024, India.
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Deepika MS, Thangam R, Sundarraj S, Sheena TS, Sivasubramanian S, Kulandaivel J, Thirumurugan R. Co-delivery of Diverse Therapeutic Compounds Using PEG–PLGA Nanoparticle Cargo against Drug-Resistant Bacteria: An Improved Anti-biofilm Strategy. ACS APPLIED BIO MATERIALS 2019; 3:385-399. [DOI: 10.1021/acsabm.9b00850] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Murugesan Sathiya Deepika
- Laboratory of Aquabiotics/Nanoscience, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu 620 024, India
| | - Ramar Thangam
- Centre for Academic and Research Excellence (CARE), CSIR-Central Leather Research Institute, Chennai, Tamil Nadu 600 020, India
| | - Shenbagamoorthy Sundarraj
- Centre for Nanoscience and Nanotechnology, Sathyabama Institute of Science and Technology (Deemed to be University), Jeppiaar Nagar, Chennai, Tamil Nadu 600 119, India
| | - Thankaraj Salammal Sheena
- Centre for Nanoscience and Nanotechnology, Department of Physics, Bharathidasan University, Tiruchirappalli, Tamil Nadu 620 024, India
| | | | - Jeganathan Kulandaivel
- Centre for Nanoscience and Nanotechnology, Department of Physics, Bharathidasan University, Tiruchirappalli, Tamil Nadu 620 024, India
| | - Ramasamy Thirumurugan
- Laboratory of Aquabiotics/Nanoscience, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu 620 024, India
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