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Zibar Belasic T, Badnjevic M, Zigante M, Mohar Vitezic B, Spalj S, Markova-Car EP. Supragingival dental biofilm profile and biofilm control during orthodontic treatment with fixed orthodontic appliance: A randomized controlled trial. Arch Oral Biol 2024; 164:105984. [PMID: 38701663 DOI: 10.1016/j.archoralbio.2024.105984] [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: 12/04/2023] [Revised: 04/17/2024] [Accepted: 04/24/2024] [Indexed: 05/05/2024]
Abstract
OBJECTIVE The effectiveness of supragingival dental biofilm control during orthodontic treatment and changes in the bacterial profile were analyzed. DESIGN Sixty-four participants aged 12-22 years (57% female) were included in the study. Participants underwent orthodontic treatment with fixed appliances and were randomly assigned to one of the three groups, which during a period of one month: (I) used chlorhexidine digluconate (CHX), (II) used high concentration of fluoride (F) gel and (III) performed standard oral hygiene. The plaque and gingivitis index, pH of biofilm and white spot lesions (WSL) were assessed. Changes of the bacteria in the biofilm were analyzed by the quantitative polymerase chain reaction RESULTS: Increase in the plaque index, pH of biofilm, and WSL was observed during orthodontic treatment with standard oral hygiene. Large interindividual variability was present, and the effects of one-month use of fluorides and CHX on clinical parameters were not significant. Despite standard hygiene the abundance of studied biofilm bacteria increased - the most Streptoccocus mutans (14.2x) and S. salivarius (3.3x), moderate Veillonella parvula (3x) and the least S. sobrinus (2.3x) and Agregatibacter actinomycetemcomitans (1.9x). The use of CHX reduced S. sobrinus (2.2x) and A. actinomycetemcomitans (1.9x). Fluoride use reduced A. actinomycetemcomitans (1.3x) and S. sobrinus (1.2x). Fluorides better controlled S. mutans than CHX. CONCLUSION Bacterial biomass in supragingival biofilm increased during treatment with metal orthodontic appliances, with greater increase in cariogenic bacteria than periopathogens. Fluoride controlled S. mutans, while CHX S. sobrinus and A. actinomycetemcomitans.
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Affiliation(s)
- T Zibar Belasic
- University of Trieste, Department of Medical, Surgical and Health Sciences, Piazza dell'Ospitale 1, Trieste, Italy
| | - M Badnjevic
- University of Rijeka, Faculty of Dental Medicine, Department of Orthodontics, Kresimirova 40, Rijeka, Croatia.
| | - M Zigante
- University of Rijeka, Faculty of Dental Medicine, Department of Orthodontics, Kresimirova 40, Rijeka, Croatia; Clinical Hospital Center Rijeka, Dental Clinic, Kresimirova 40, Rijeka, Croatia
| | - B Mohar Vitezic
- Clinical Hospital Center Rijeka, Dental Clinic, Kresimirova 40, Rijeka, Croatia; University of Rijeka, Faculty of Medicine, Department of Microbiology and Parasitology, Brace Branchetta 20, Rijeka, Croatia
| | - S Spalj
- University of Rijeka, Faculty of Dental Medicine, Department of Orthodontics, Kresimirova 40, Rijeka, Croatia; Clinical Hospital Center Rijeka, Dental Clinic, Kresimirova 40, Rijeka, Croatia; J. J. Strossmayer University of Osijek, Faculty of Dental Medicine and Health, Department of Dental Medicine, Crkvena 21, Osijek, Croatia
| | - E P Markova-Car
- University of Rijeka, Faculty of Medicine, Department of Basic and Clinical Pharmacology and Toxicology, Brace Branchetta 20, Rijeka, Croatia
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Ribeiro AB, Pizziolo PG, Clemente LM, Aguiar HC, Poker BDC, Silva AAME, Makrakis LR, Fifolato MA, Souza GC, Oliveira VDC, Watanabe E, Lovato da Silva CH. Strategies for Preventing and Treating Oral Mucosal Infections Associated with Removable Dentures: A Scoping Review. Antibiotics (Basel) 2024; 13:273. [PMID: 38534708 DOI: 10.3390/antibiotics13030273] [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: 01/30/2024] [Revised: 03/01/2024] [Accepted: 03/14/2024] [Indexed: 03/28/2024] Open
Abstract
Oral infections occur due to contact between biofilm rich in Candida albicans formed on the inner surface of complete dentures and the mucosa. This study investigated historical advances in the prevention and treatment of oral mucosal infection and identified gaps in the literature. Bibliographic research was conducted, looking at PubMed, Embase, Web of Science, and Scopus, where 935 articles were found. After removing duplicates and excluding articles by reading the title and abstract, 131 articles were selected for full reading and 104 articles were included. Another 38 articles were added from the gray literature. This review followed the PRISMA-ScR guidelines. The historical period described ranges from 1969 to 2023, in which, during the 21st century, in vitro and in vivo studies became more common and, from 2010 to 2023, the number of randomized controlled trials increased. Among the various approaches tested are the incorporation of antimicrobial products into prosthetic materials, the improvement of oral and denture hygiene protocols, the development of synthetic and natural products for the chemical control of microorganisms, and intervention with local or systemic antimicrobial agents. Studies report good results with brushing combined with sodium hypochlorite, and new disinfectant solutions and products incorporated into prosthetic materials are promising.
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Affiliation(s)
- Adriana Barbosa Ribeiro
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
| | - Pillar Gonçalves Pizziolo
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
| | - Lorena Mosconi Clemente
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
| | - Helena Cristina Aguiar
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
| | - Beatriz de Camargo Poker
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
| | - Arthur Augusto Martins E Silva
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
| | - Laís Ranieri Makrakis
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
| | - Marco Aurelio Fifolato
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
| | - Giulia Cristina Souza
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
| | - Viviane de Cássia Oliveira
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
| | - Evandro Watanabe
- Department of Restorative Dentistry, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
| | - Cláudia Helena Lovato da Silva
- Department of Dental Materials and Prosthesis, Ribeirão Preto School of Dentistry, University of São Paulo, Café Avenue S/N, Ribeirão Preto 14040-904, SP, Brazil
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Bano S, Hassan N, Rafiq M, Hassan F, Rehman M, Iqbal N, Ali H, Hasan F, Kang YQ. Biofilms as Battlefield Armor for Bacteria against Antibiotics: Challenges and Combating Strategies. Microorganisms 2023; 11:2595. [PMID: 37894253 PMCID: PMC10609369 DOI: 10.3390/microorganisms11102595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 08/25/2023] [Accepted: 09/04/2023] [Indexed: 10/29/2023] Open
Abstract
Bacterial biofilms are formed by communities, which are encased in a matrix of extracellular polymeric substances (EPS). Notably, bacteria in biofilms display a set of 'emergent properties' that vary considerably from free-living bacterial cells. Biofilms help bacteria to survive under multiple stressful conditions such as providing immunity against antibiotics. Apart from the provision of multi-layered defense for enabling poor antibiotic absorption and adaptive persistor cells, biofilms utilize their extracellular components, e.g., extracellular DNA (eDNA), chemical-like catalase, various genes and their regulators to combat antibiotics. The response of biofilms depends on the type of antibiotic that comes into contact with biofilms. For example, excessive production of eDNA exerts resistance against cell wall and DNA targeting antibiotics and the release of antagonist chemicals neutralizes cell membrane inhibitors, whereas the induction of protein and folic acid antibiotics inside cells is lowered by mutating genes and their regulators. Here, we review the current state of knowledge of biofilm-based resistance to various antibiotic classes in bacteria and genes responsible for biofilm development, and the key role of quorum sensing in developing biofilms and antibiotic resistance is also discussed. In this review, we also highlight new and modified techniques such as CRISPR/Cas, nanotechnology and bacteriophage therapy. These technologies might be useful to eliminate pathogens residing in biofilms by combating biofilm-induced antibiotic resistance and making this world free of antibiotic resistance.
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Affiliation(s)
- Sara Bano
- Applied Environmental and Geomicrobiology Laboratory, Department of Microbiology, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Noor Hassan
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering-College, Pakistan Institute of Engineering and Applied Sciences, Islamabad 44000, Pakistan
| | - Muhammad Rafiq
- Department of Microbiology, Balochistan University of Information Technology, Engineering and Management Sciences, Quetta 87300, Pakistan
| | - Farwa Hassan
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering-College, Pakistan Institute of Engineering and Applied Sciences, Islamabad 44000, Pakistan
| | - Maliha Rehman
- Department of Microbiology, Balochistan University of Information Technology, Engineering and Management Sciences, Quetta 87300, Pakistan
| | - Naveed Iqbal
- Department of Biotechnology & Informatics, Balochistan University of Information Technology, Engineering and Management Sciences, Quetta 87300, Pakistan
- The Department of Paediatrics and Child Health, Aga Khan University, Karachi 74800, Pakistan
| | - Hazrat Ali
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering-College, Pakistan Institute of Engineering and Applied Sciences, Islamabad 44000, Pakistan
| | - Fariha Hasan
- Applied Environmental and Geomicrobiology Laboratory, Department of Microbiology, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Ying-Qian Kang
- Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education of Guizhou, Guiyang 550025, China
- Key Laboratory of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang 550025, China
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Pei S, Feng L, Zhang Y, Liu J, Li J, Zheng Q, Liu X, Luo B, Ruan Y, Li H, Hu W, Niu J, Tian T. Effects of long-term metal exposure on the structure and co-occurrence patterns of the oral microbiota of residents around a mining area. Front Microbiol 2023; 14:1264619. [PMID: 37928665 PMCID: PMC10620801 DOI: 10.3389/fmicb.2023.1264619] [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: 07/21/2023] [Accepted: 10/06/2023] [Indexed: 11/07/2023] Open
Abstract
Objectives The aim of our study was to investigate the impact of long-term exposure to heavy metals on the microbiome of the buccal mucosa, to unveil the link between environmental contamination and the oral microbial ecosystem, and to comprehend its potential health implications. Methods Subjects were divided into two groups: the exposure group and the control group. We collected samples of buccal mucosa, soil, and blood, and conducted microbial diversity analysis on both groups of oral samples using 16S rRNA gene sequencing. The concentrations of heavy metals in blood and soil samples were also determined. Additionally, microbial networks were constructed for the purpose of topological analysis. Results Due to long-term exposure to heavy metals, the relative abundance of Rhodococcus, Delftia, Fusobacterium, and Peptostreptococcus increased, while the abundance of Streptococcus, Gemella, Prevotella, Granulicatella, and Porphyromonas decreased. The concentrations of heavy metals in the blood (Pb, Cd, Hg, and Mo) were associated with the growth of Rhodococcus, Delftia, Porphyromonas, and Gemella. In addition, the relative abundances of some pathogenic bacteria, such as Streptococcus anginosus, S. gordonii, and S. mutans, were found to be enriched in the exposure group. Compared to the exposure group network, the control group network had a greater number of nodes, modules, interactive species, and keystone taxa. Module hubs and connectors in the control group converted into peripherals in the exposure group, indicating that keystone taxa changed. Metals in the blood (Pb, Cd, Hg, and Mo) were drivers of the microbial network of the buccal mucosa, which can have adverse effects on the network, thus providing conditions for the occurrence of certain diseases. Conclusion Long-term exposure to multiple metals perturbs normal bacterial communities in the buccal mucosa of residents in contaminated areas. This exposure reduces the complexity and stability of the microbial network and increases the risk of developing various diseases.
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Affiliation(s)
- Shuwei Pei
- School of Public Health, Lanzhou University, Lanzhou, Gansu, China
| | - Lu Feng
- School of Stomatology, Lanzhou University, Lanzhou, Gansu, China
| | - Yonghua Zhang
- Child Health Department, Lanzhou Maternal and Child Health Care Hospital, Lanzhou, Gansu, China
| | - Jiangyun Liu
- School of Public Health, Lanzhou University, Lanzhou, Gansu, China
| | - Jia Li
- School of Public Health, Lanzhou University, Lanzhou, Gansu, China
| | - Qiwen Zheng
- School of Public Health, Lanzhou University, Lanzhou, Gansu, China
| | - Xingrong Liu
- School of Public Health, Lanzhou University, Lanzhou, Gansu, China
| | - Bin Luo
- School of Public Health, Lanzhou University, Lanzhou, Gansu, China
| | - Ye Ruan
- School of Public Health, Lanzhou University, Lanzhou, Gansu, China
| | - Huan Li
- School of Public Health, Lanzhou University, Lanzhou, Gansu, China
| | - Weigang Hu
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou University, Lanzhou, China
| | - Jingping Niu
- School of Public Health, Lanzhou University, Lanzhou, Gansu, China
| | - Tian Tian
- School of Public Health, Lanzhou University, Lanzhou, Gansu, China
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Moghadam NCZ, Jasim SA, Ameen F, Alotaibi DH, Nobre MAL, Sellami H, Khatami M. Nickel oxide nanoparticles synthesis using plant extract and evaluation of their antibacterial effects on Streptococcus mutans. Bioprocess Biosyst Eng 2022; 45:1201-1210. [PMID: 35704072 DOI: 10.1007/s00449-022-02736-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 05/20/2022] [Indexed: 12/29/2022]
Abstract
Dental decay is known in the world as the most common human infectious disease. Ascending process of dental caries index in the world shows the failure of oral disease prevention. Streptococcus mutans bacteria cause acid damage and tooth decay by producing acid over time. Nanomaterials with suitable functionality, high permeability, extremely large surface area, significant reactivity, unique mechanical features, and non-bacterial resistance can be considered as promising agents for antimicrobial and antiviral applications. In this study, nickel oxide (NiO) nanoparticles with size range from 2 to 16 nm containing Stevia natural sweetener were eco-friendly synthesized via a simple method. Additionally, their various concentrations were evaluated on S. mutans bacteria by applying the broth dilution method. The results demonstrated that these spherical NiO nanoparticles had efficient bacteriostatic activity on this gram-positive coccus.
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Affiliation(s)
| | - Saade Abdalkareem Jasim
- Medical Laboratory Techniques Department, Al-Maarif University College, Al-Anbar-Ramadi, Iraq
| | - Fuad Ameen
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Dalal H Alotaibi
- Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, 11545, Saudi Arabia
| | - Marcos A L Nobre
- São Paulo State University (Unesp), School of Technology and Sciences, Presidente Prudente, SP, 19060-900, Brazil
| | - Hanen Sellami
- Water Research and Technologies Center (CERTE), Borj-Cedria Technopark, University of Carthage, 8020, Soliman, Tunisia
| | - Mehrdad Khatami
- Antibacterial Materials R&D Centre, China Metal New Materials (Huzhou) Institute, Huzhou, Zhejiang, China.
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Kumar SS, Ghosh P, Kataria N, Kumar D, Thakur S, Pathania D, Kumar V, Nasrullah M, Singh L. The role of conductive nanoparticles in anaerobic digestion: Mechanism, current status and future perspectives. CHEMOSPHERE 2021; 280:130601. [PMID: 33945900 DOI: 10.1016/j.chemosphere.2021.130601] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 04/05/2021] [Accepted: 04/12/2021] [Indexed: 06/12/2023]
Abstract
In the current scenario, alternative energy sources are the need of the hour. Organic wastes having a larger fraction of biodegradable constituents present a sustainable bioenergy source. It has been reported that the calorific value of biogas generated by anaerobic digestion (AD) is 21-25 MJ/m3 with the treatment which makes it an excellent replacement of natural gas and fossil fuels and can reduce more than 80% greenhouse gas emission to the surroundings. However, there are some limitations associated with the AD process for instance ammonia build-up at the first stage reduces the rate of hydrolysis of biomass, whereas, in the last stage it interferes with methane formation. Owing to special physicochemical properties such as high activity, high reactive surface area, and high specificity, tailor-made conductive nanoparticles can improve the performance of the AD process. In the AD process, H2 is used as an electron carrier, referred as mediated interspecies electron transfer (MIET). Due to the diffusion limitation of these electron carriers, the MIET efficiency is relatively low that limits the methanogenesis. Direct interspecies electron transfer (DIET), which enables direct cell-to-cell electron transport between bacteria and methanogen, has been considered an alternative efficient approach to MIET that creates metabolically favorable conditions and results in faster conversion of organic acids and alcohols into methane. This paper discusses in detail the application of conductive nanoparticles to enhance the AD process efficiency. Interaction between microbes in anaerobic conditions for electron transfer with the help of CNPs is discussed. Application of a variety of conductive nanomaterials as an additive is discussed with their potential biogas production and treatment enhancement in the anaerobic digestion process.
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Affiliation(s)
- Smita S Kumar
- Department of Environmental Sciences, JC Bose University of Science and Technology, YMCA, NH-2, Sector-6, Mathura Road, Faridabad, Haryana, 121006, India
| | - Pooja Ghosh
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Navish Kataria
- Department of Environmental Sciences, JC Bose University of Science and Technology, YMCA, NH-2, Sector-6, Mathura Road, Faridabad, Haryana, 121006, India
| | - Deepak Kumar
- Department of Chemical Engineering, State University of New York College of Environmental Science and Forestry, Syracuse, NY, 13210, USA
| | - Sveta Thakur
- Department of Bio Science, Himachal Pradesh University, Summer Hill, Shimla, Himachal Pradesh, 171005, India
| | - Deepak Pathania
- Central University of Jammu, Bagla (Rahya Suchani), Distt. Samba, J&K, 181143, India
| | - Vivek Kumar
- Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, 110016, India
| | - Mohd Nasrullah
- Faculty of Civil Engineering Technology, Universiti Malaysia Pahang (UMP), 26300, Gambang, Kuantan, Pahang, Malaysia
| | - Lakhveer Singh
- Department of Environmental Science, SRM University-AP, Amaravati, Andhra Pradesh, 522502, India.
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Kang Y, Sun B, Chen Y, Lou Y, Zheng M, Li Z. Dental Plaque Microbial Resistomes of Periodontal Health and Disease and Their Changes after Scaling and Root Planing Therapy. mSphere 2021; 6:e0016221. [PMID: 34287005 PMCID: PMC8386447 DOI: 10.1128/msphere.00162-21] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 05/23/2021] [Indexed: 11/20/2022] Open
Abstract
The human oral microbial community has been considered a reservoir of antibiotic resistance. Currently, the effects of periodontitis and the scaling and root planing (SRP) treatment on the performance of antibiotic-resistant genes (ARGs) and metal-resistant genes (MRGs) in the dental plaque microbiota are not well characterized. To explore this issue, we selected 48 healthy-state (HS), 40 periodontitis-state (PS; before treatment), and 24 resolved-state (RS; after SRP treatment) metagenomic data of dental plaque samples from the Sequence Read Archive (SRA) database. NetShift analysis identified Fretibacterium fastidiosum, Tannerella forsythia, and Campylobacter rectus as key drivers during dental plaque microbiota alteration in the progression of periodontitis. Periodontitis and SRP treatment resulted in an increase in the number of ARGs and MRGs in dental plaque and significantly altered the composition of ARG and MRG profiles. Bacitracin, beta-lactam, macrolide-lincosamide-streptogramin (MLS), tetracycline, and multidrug resistance genes were the main classes of ARGs with high relative abundance, whereas multimetal, iron, chromium, and copper resistance genes were the primary types of MRGs in dental plaque microbiota. The cooccurrence of ARGs, MRGs, and mobile genetic elements (MGEs) indicated that a coselection phenomenon exists in the resistomes of dental plaque microbiota. Overall, our data provide new insights into the standing of the distribution of ARGs and MRGs in oral microbiota of periodontitis patients, and it was possible to contribute to the understanding of the complicated correlations among microorganisms, resistomes, and MGEs. IMPORTANCE The emergence and development of resistance to antibiotics in periodontal pathogens have affected the success rate of treatment for periodontitis. The development of new antibacterial strategies is urgently needed to help control and treat periodontal disease, and dental plaque microbiome studies offer a promising new angle of attack. In this study, we investigated the dental plaque microbiota and resistomes in periodontal health and disease states and their changes after SRP therapy. This is the first analysis of the profile of the microbial community and antibiotic and metal resistance genes in dental plaque by the metagenomic approach, to the best of our knowledge. Monitoring the profile of these resistomes has huge potential to provide reference levels for proper antibiotics use and the development of new antimicrobial strategies in periodontitis therapy and thereby improve actual efficacy of the treatment regimens.
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Affiliation(s)
- Yutong Kang
- State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
- Wenzhou Key Laboratory of Sanitary Microbiology, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Bianjin Sun
- Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou, Zhejiang, China
- National Clinical Research Center for Ocular Diseases, Wenzhou, Zhejiang, China
| | - Yiju Chen
- Wenzhou Key Laboratory of Sanitary Microbiology, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yongliang Lou
- Wenzhou Key Laboratory of Sanitary Microbiology, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Meiqin Zheng
- Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou, Zhejiang, China
- National Clinical Research Center for Ocular Diseases, Wenzhou, Zhejiang, China
| | - Zhenjun Li
- State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
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Malaekeh-Nikouei B, Fazly Bazzaz BS, Mirhadi E, Tajani AS, Khameneh B. The role of nanotechnology in combating biofilm-based antibiotic resistance. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101880] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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9
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Bai R, Peng L, Sun Q, Zhang Y, Zhang L, Wei Y, Han B. Metallic Antibacterial Surface Treatments of Dental and Orthopedic Materials. MATERIALS 2020; 13:ma13204594. [PMID: 33076495 PMCID: PMC7658793 DOI: 10.3390/ma13204594] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/05/2020] [Accepted: 10/13/2020] [Indexed: 12/12/2022]
Abstract
The oral cavity harbors complex microbial communities, which leads to biomaterial-associated infections (BAI) during dental and orthopedic treatments. Conventional antibiotic treatments have met great challenges recently due to the increasing emergency of drug-resistant bacteria. To tackle this clinical issue, antibacterial surface treatments, containing surface modification and coatings, of dental and orthopedic materials have become an area of intensive interest now. Among various antibacterial agents used in surface treatments, metallic agents possess unique properties, mainly including broad-spectrum antibacterial properties, low potential to develop bacterial resistance, relative biocompatibility, and chemical stability. Therefore, this review mainly focuses on underlying antibacterial applications and the mechanisms of metallic agents in dentistry and orthopedics. An overview of the present review indicates that much work remains to be done to deepen the understanding of antibacterial mechanisms and potential side-effects of metallic agents.
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Affiliation(s)
- Rushui Bai
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
| | - Liying Peng
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
| | - Qiannan Sun
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
| | - Yunfan Zhang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
| | - Lingyun Zhang
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
| | - Yan Wei
- Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China
- Correspondence: (Y.W.); (B.H.); Tel.: +86-010-82195584 (Y.W.); +86-010-82195381 (B.H.)
| | - Bing Han
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, 22 Zhongguancun South Avenue, Haidian District, Beijing 100081, China; (R.B.); (L.P.); (Q.S.); (Y.Z.); (L.Z.)
- Correspondence: (Y.W.); (B.H.); Tel.: +86-010-82195584 (Y.W.); +86-010-82195381 (B.H.)
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Eco-Friendly Biosynthesis of Nickel Oxide Nanoparticles Mediated by Okra Plant Extract and Investigation of Their Photocatalytic, Magnetic, Cytotoxicity, and Antibacterial Properties. J CLUST SCI 2019. [DOI: 10.1007/s10876-019-01584-x] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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11
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Garza-Cervantes JA, Escárcega-González CE, Barriga Castro ED, Mendiola-Garza G, Marichal-Cancino BA, López-Vázquez MA, Morones-Ramirez JR. Antimicrobial and antibiofilm activity of biopolymer-Ni, Zn nanoparticle biocomposites synthesized using R. mucilaginosa UANL-001L exopolysaccharide as a capping agent. Int J Nanomedicine 2019; 14:2557-2571. [PMID: 31118605 PMCID: PMC6498977 DOI: 10.2147/ijn.s196470] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 02/22/2019] [Indexed: 11/23/2022] Open
Abstract
Introduction: Global increase in the consumption of antibiotics has induced selective stress on wild-type microorganisms, pushing them to adapt to conditions of higher antibiotic concentrations, and thus an increased variety of resistant bacterial strains have emerged. Metal nanoparticles synthesized by green methods have been studied and proposed as potential antimicrobial agents against both wild-type and antibiotic-resistant strains; in addition, exopolysaccharides have been used as capping agent of metal nanoparticles due to their biocompatibility, reducing biological risks in a wide variety of applications. Purpose: In this work, we use an exopolysaccharide, from Rhodotorula mucilaginosa UANL-001L, an autochthonous strain from the Mexican northeast, as a capping agent in the synthesis of Zn, and Ni, nanoparticle biopolymer biocomposites. Materials and methods: To physically and chemically characterize the synthesized biocomposites, FT-IR, UV-Vs, TEM, SAED and EDS analysis were carried out. Antimicrobial and antibiofilm biological activity were tested for the biocomposites against two resistant clinical strains, a Gram-positive Staphylococcus aureus, and a Gram-negative Pseudomonas aeruginosa. Antimicrobial activity was determined using a microdilution assay whereas antibiofilm activity was analyzed through crystal violet staining. Results: Biocomposites composed of exopolysaccharide capped Zn and Ni metal nanoparticles were synthesized through a green synthesis methodology. The average size of the Zn and Ni nanoparticles ranged between 8 and 26 nm, respectively. The Ni-EPS biocomposites showed antimicrobial and antibiofilm activity against resistant strains of Staphylococcus aureus and Pseudomonas aeruginosa at 3 and 2 mg/mL, respectively. Moreover, Zn-EPS biocomposites showed antimicrobial activity against resistant Staphylococcus aureus at 1 mg/mL. Both biocomposites showed no toxicity, as renal function showed no differences between treatments and control in the in vivo assays with male rats tests in this study at a concentration of 24 mg/kg of body weight. Conclusion: The exopolysaccharide produced by Rhodotorula mucilaginosa UANL-001L is an excellent candidate as a capping agent in the synthesis of biopolymer-metal nanoparticle biocomposites. Both Ni and Zn-EPS biocomposites demonstrate to be potential contenders as novel antimicrobial agents against both Gram-negative and Gram-positive clinically relevant resistant bacterial strains. Moreover, Ni-EPS biocomposites also showed antibiofilm activity, which makes them an interesting material to be used in different applications to counterattack global health problems due to the emergence of resistant microorganisms.
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Affiliation(s)
- Javier Alberto Garza-Cervantes
- Universidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, San Nicolás de los Garza, NL 66451, México.,Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Parque de Investigación e Innovación Tecnológica, Apodaca 66629, Nuevo León, México
| | - C Enrique Escárcega-González
- Universidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, San Nicolás de los Garza, NL 66451, México.,Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Parque de Investigación e Innovación Tecnológica, Apodaca 66629, Nuevo León, México.,Universidad Autónoma de Aguascalientes, Departamento de Fisiología y Farmacología, Centro de Ciencias Básicas, Aguascalientes, Mexico
| | | | - G Mendiola-Garza
- Universidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, San Nicolás de los Garza, NL 66451, México.,Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Parque de Investigación e Innovación Tecnológica, Apodaca 66629, Nuevo León, México
| | - Bruno Antonio Marichal-Cancino
- Universidad Autónoma de Aguascalientes, Departamento de Fisiología y Farmacología, Centro de Ciencias Básicas, Aguascalientes, Mexico
| | - Mario Alberto López-Vázquez
- Universidad Autónoma de Aguascalientes, Departamento de Fisiología y Farmacología, Centro de Ciencias Básicas, Aguascalientes, Mexico
| | - Jose Ruben Morones-Ramirez
- Universidad Autónoma de Nuevo León, UANL, Facultad de Ciencias Químicas, San Nicolás de los Garza, NL 66451, México.,Centro de Investigación en Biotecnología y Nanotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Parque de Investigación e Innovación Tecnológica, Apodaca 66629, Nuevo León, México
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12
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Behera N, Arakha M, Priyadarshinee M, Pattanayak BS, Soren S, Jha S, Mallick BC. Oxidative stress generated at nickel oxide nanoparticle interface results in bacterial membrane damage leading to cell death. RSC Adv 2019; 9:24888-24894. [PMID: 35528690 PMCID: PMC9069889 DOI: 10.1039/c9ra02082a] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 07/31/2019] [Indexed: 11/21/2022] Open
Abstract
Metal oxide nanoparticles (NPs) have shown enhanced antibacterial effects against many bacteria.
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Affiliation(s)
- Nibedita Behera
- Department of Chemistry
- Ravenshaw University
- Cuttack-753003
- India
| | - Manoranjan Arakha
- Centre for Biotechnology
- Siksha ‘O’ Anusandhan (Deemed to be University)
- Bhubaneswar-751003
- India
| | | | | | - Siba Soren
- Department of Chemistry
- Ravenshaw University
- Cuttack-753003
- India
| | - Suman Jha
- Department of Life Science
- National Institute of Technology
- Rourkela-769008
- India
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13
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Ahmed B, Hashmi A, Khan MS, Musarrat J. ROS mediated destruction of cell membrane, growth and biofilms of human bacterial pathogens by stable metallic AgNPs functionalized from bell pepper extract and quercetin. ADV POWDER TECHNOL 2018. [DOI: 10.1016/j.apt.2018.03.025] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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14
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de Almeida J, Pimenta AL, Pereira UA, Barbosa LCA, Hoogenkamp MA, van der Waal SV, Crielaard W, Felippe WT. Effects of three γ-alkylidene-γ-lactams on the formation of multispecies biofilms. Eur J Oral Sci 2018. [PMID: 29517121 DOI: 10.1111/eos.12411] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
This study evaluated the inhibitory effects of lactams on Streptococcus mutans, Enterococcus faecalis, and Candida glabrata multispecies biofilm formation. γ-Alkylidene-γ-lactams 1, 2, and 3 [solubilized in 3.5% dimethyl sulfoxide (DMSO)] were tested. Glass coverslips were conditioned with either the lactams or 3.5% DMSO (control) for 1 h, inoculated with microbial cultures, and incubated for 48 h. To assess the effect of the lactams on biofilm formation, the following parameters were determined: the biofilm biomass (by both crystal violet staining and protein determination); the amount of insoluble polysaccharides of the extracellular matrix; and the number of viable and total cells [by both colony-forming unit counting and quantitative real-time PCR (qPCR)]. Data were analysed using one-way anova and post-hoc Tukey tests. Lactams 1, 2, and 3 promoted a statistically significant reduction in the amount of biofilm biomass, but only lactam 3 resulted in a statistically significant reduction in the number of attached viable E. faecalis. Both total protein content and the amount of extracellular polysaccharides decreased significantly. The effects of γ-alkylidene-γ-lactams 1, 2, and 3 on the inhibition of multispecies biofilm formation were evident by their ability to reduce the amount of protein and extracellular polysaccharides.
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Affiliation(s)
- Josiane de Almeida
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands.,Department of Endodontics, Federal University of Santa Catarina (UFSC), Florianópolis, SC, Brazil.,Department of Endodontics, University of Southern Santa Catarina (UNISUL), Palhoça, SC, Brazil
| | - Andrea L Pimenta
- Department of Periodontics, Federal University of Santa Catarina (UFSC), Florianópolis, SC, Brazil.,Department of Biologie, Université de Cergy Pontoisé, Cergy Pontoise, France
| | - Ulisses A Pereira
- Department of Chemistry, Federal University of Viçosa (UFV), Viçosa, MG, Brazil
| | - Luiz C A Barbosa
- Department of Chemistry, Federal University of Viçosa (UFV), Viçosa, MG, Brazil.,Department of Chemistry, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Michel A Hoogenkamp
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Suzette V van der Waal
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands.,Department of Endodontics, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Wim Crielaard
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Wilson T Felippe
- Department of Endodontics, Federal University of Santa Catarina (UFSC), Florianópolis, SC, Brazil
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15
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Saleem S, Ahmed B, Khan MS, Al-Shaeri M, Musarrat J. Inhibition of growth and biofilm formation of clinical bacterial isolates by NiO nanoparticles synthesized from Eucalyptus globulus plants. Microb Pathog 2017; 111:375-387. [PMID: 28916319 DOI: 10.1016/j.micpath.2017.09.019] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Revised: 09/07/2017] [Accepted: 09/11/2017] [Indexed: 11/27/2022]
Abstract
Nanotechnology based therapeutics has emerged as a promising approach for augmenting the activity of existing antimicrobials due to the unique physical and chemical properties of nanoparticles (NPs). Nickel oxide nanoparticles (NiO-NPs) have been suggested as prospective antibacterial and antitumor agent. In this study, NiO-NPs have been synthesized by a green approach using Eucalyptus globulus leaf extract and assessed for their bactericidal activity. The morphology and purity of synthesized NiO-NPs determined through various spectroscopic techniques like UV-Visible, FT-IR, XRD, EDX and electron microscopy differed considerably. The synthesized NiO-NPs were pleomorphic varying in size between 10 and 20 nm. The XRD analysis revealed the average size of NiO-NPs as 19 nm. The UV-Vis spectroscopic data showed a strong SPR of NiO-NPs with a characteristic spectral peak at 396 nm. The FTIR data revealed various functional moieties like C=C, C-N, C-H and O-H which elucidate the role of leaf biomolecules in capping and dispersal of NiO-NPs. The bioactivity assay revealed the antibacterial and anti-biofilm activity of NiO-NPs against ESβL (+) E. coli, P. aeruginosa, methicillin sensitive and resistant S. aureus. Growth inhibition assay demonstrated time and NiO-NPs concentration dependent decrease in the viability of treated cells. NiO-NPs induced biofilm inhibition was revealed by a sharp increase in characteristic red fluorescence of PI, while SEM images of NiO-NPs treated cells were irregular shrink and distorted with obvious depressions/indentations. The results suggested significant antibacterial and antibiofilm activity of NiO-NPs which may play an important role in the management of infectious diseases affecting human health.
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Affiliation(s)
- Samia Saleem
- Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh 202002, U.P., India
| | - Bilal Ahmed
- Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh 202002, U.P., India.
| | - Mohammad Saghir Khan
- Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh 202002, U.P., India
| | - Majed Al-Shaeri
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Javed Musarrat
- Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh 202002, U.P., India; School of Biosciences and Biodiversity, Baba Ghulam Shah Badshah University, Rajouri, Jammu & Kashmir, India
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16
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Rashid MMO, Akhter KN, Chowdhury JA, Hossen F, Hussain MS, Hossain MT. Characterization of phytoconstituents and evaluation of antimicrobial activity of silver-extract nanoparticles synthesized from Momordica charantia fruit extract. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 17:336. [PMID: 28651578 PMCID: PMC5485605 DOI: 10.1186/s12906-017-1843-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 06/19/2017] [Indexed: 12/19/2022]
Abstract
BACKGROUND Our present study was conducted to characterize the phytoconstituents present in the aqueous extract of Momordica charantia and evaluate the antimicrobial efficacy of silver-extract nanoparticles (Ag-Extract-NPs). METHODS Silver nanoparticles (AgNPs) were prepared by reducing AgNO3; and NaBH4 served as reducing agent. After screening of phytochemicals; AgNPs and aqueous extract were mixed thoroughly and then coated by polyaniline. These NPs were characterized by using Visual inspection, UV spectroscopy, FTIR, SEM and TEM techniques. Antimicrobial activities were assessed against Staphylococcus aureus, Salmonella typhi, Escherichia coli and Pseudomonas aeruginosa. RESULTS Aqueous extract of M. charantia fruits contain alkaloid, phenol, saponin etc. UV-Vis spectrum showed strong absorption peak around 408 nm. The presence of -CH, -NH, -COOH etc. stretching in FTIR spectrum of Ag-Extract-NPs endorsed that AgNPs were successfully capped by bio-compounds. SEM and TEM result revealed that synthesized NPs had particle size 78.5-220 nm. Ag-Extract-NPs showed 34.6 ± 0.8 mm zone of inhibition against E. coli compared to 25.6 ± 0.5 mm for ciprofloxacin. Maximum zone of inhibition for Ag-Extract-NPs were 24.8 ± 0.7 mm, 26.4 ± 0.4 mm, 7.4 ± 0.4 mm for S. aureus, P. aeruginosa and S. typhi. We found that Ag-Extract-NPs have much better antibacterial efficacy than AgNPs and M. charantia extract has individually. It is also noticed that gram negative bacteria (except S. typhi) are more susceptible to Ag-Extract-NPs than gram positive bacteria. CONCLUSION Ag-Extract-NPs showed strong antibacterial activity. In order to make a reliable stand for mankind, further study is needed to consider determining the actual biochemical pathway by which AgNPs-extracts exert their antimicrobial effect.
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Affiliation(s)
- Md. Mamun Or Rashid
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali, 3814, Bangladesh
| | - Kazi Nahid Akhter
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali, 3814, Bangladesh
| | - Jakir Ahmed Chowdhury
- Department of Pharmaceutical Technology, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Foysal Hossen
- Department of Microbiology, Noakhali Science and Technology University, Sonapur, Noakhali, 3814, Bangladesh
| | - Md. Saddam Hussain
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali, 3814, Bangladesh
| | - Md. Tanvir Hossain
- Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Sonapur, Noakhali, 3814, Bangladesh
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17
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Costa L, do Nascimento C, de Souza VOP, Pedrazzi V. Microbiological and clinical assessment of the abutment and non-abutment teeth of partial removable denture wearers. Arch Oral Biol 2017; 75:74-80. [DOI: 10.1016/j.archoralbio.2016.11.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 10/31/2016] [Accepted: 11/01/2016] [Indexed: 10/20/2022]
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18
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Ali K, Dwivedi S, Azam A, Saquib Q, Al-Said MS, Alkhedhairy AA, Musarrat J. Aloe vera extract functionalized zinc oxide nanoparticles as nanoantibiotics against multi-drug resistant clinical bacterial isolates. J Colloid Interface Sci 2016; 472:145-56. [DOI: 10.1016/j.jcis.2016.03.021] [Citation(s) in RCA: 171] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 03/09/2016] [Accepted: 03/11/2016] [Indexed: 10/22/2022]
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19
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Countering drug resistance, infectious diseases, and sepsis using metal and metal oxides nanoparticles: Current status. Colloids Surf B Biointerfaces 2016; 146:70-83. [PMID: 27259161 DOI: 10.1016/j.colsurfb.2016.05.046] [Citation(s) in RCA: 111] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 05/12/2016] [Accepted: 05/16/2016] [Indexed: 12/12/2022]
Abstract
One fourth of the global mortalities is still caused by microbial infections largely due to the development of resistance against conventional antibiotics among pathogens, the resurgence of old infectious diseases and the emergence of hundreds of new infectious diseases. The lack of funds and resources for the discovery of new antibiotics necessitates the search for economic and effective alternative antimicrobial agents. Metal and metal oxide nanoparticles including silver and zinc oxide exhibit remarkable antimicrobial activities against pathogens and hence are one of the most propitious alternative antimicrobial agents. These engineered nanomaterials are approved by regulatory agencies such as USFDA and Korea's FITI, for use as antimicrobial agents, supplementary antimicrobials, food packaging, skin care products, oral hygiene, and for fortifying devices prone to microbial infections. Nevertheless, detailed studies, on molecular and biochemical mechanisms underlying their antimicrobial activity are missing. To take the full advantage of this emerging technology selective antimicrobial activity of these nanoparticles against pathogens should be studied. Optimization of these nanomaterials through functionalization to increase their efficacy and biocompatibility is also required. Urgent in vivo studies on the toxicity of nanomaterials at realistic doses are also needed before their clinical translation.
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Dwivedi S, Wahab R, Khan F, Mishra YK, Musarrat J, Al-Khedhairy AA. Reactive oxygen species mediated bacterial biofilm inhibition via zinc oxide nanoparticles and their statistical determination. PLoS One 2014; 9:e111289. [PMID: 25402188 PMCID: PMC4234364 DOI: 10.1371/journal.pone.0111289] [Citation(s) in RCA: 199] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Accepted: 09/29/2014] [Indexed: 02/03/2023] Open
Abstract
The formation of bacterial biofilm is a major challenge in clinical applications. The main aim of this study is to describe the synthesis, characterization and biocidal potential of zinc oxide nanoparticles (NPs) against bacterial strain Pseudomonas aeruginosa. These nanoparticles were synthesized via soft chemical solution process in a very short time and their structural properties have been investigated in detail by using X-ray diffraction and transmission electron microscopy measurements. In this work, the potential of synthesized ZnO-NPs (∼10–15 nm) has been assessed in-vitro inhibition of bacteria and the formation of their biofilms was observed using the tissue culture plate assays. The crystal violet staining on biofilm formation and its optical density revealed the effect on biofilm inhibition. The NPs at a concentration of 100 µg/mL significantly inhibited the growth of bacteria and biofilm formation. The biofilm inhibition by ZnO-NPs was also confirmed via bio-transmission electron microscopy (Bio-TEM). The Bio-TEM analysis of ZnO-NPs treated bacteria confirmed the deformation and damage of cells. The bacterial growth in presence of NPs concluded the bactericidal ability of NPs in a concentration dependent manner. It has been speculated that the antibacterial activity of NPs as a surface coating material, could be a feasible approach for controlling the pathogens. Additionally, the obtained bacterial solution data is also in agreement with the results from statistical analytical methods.
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Affiliation(s)
- Sourabh Dwivedi
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Rizwan Wahab
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
- * E-mail:
| | - Farheen Khan
- Department of Chemistry, Aligarh Muslim University, Aligarh, India
| | - Yogendra K. Mishra
- Functional Nanomaterials, Institute for Materials Science, University of Kiel, Kiel, Germany
| | - Javed Musarrat
- Department of Agricultural Microbiology, Faculty of Agricultural Sciences, Aligarh Muslim University, Aligarh, India
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Khan ST, Ahamed M, Musarrat J, Al-Khedhairy AA. Anti-biofilm and antibacterial activities of zinc oxide nanoparticles against the oral opportunistic pathogensRothia dentocariosaandRothia mucilaginosa. Eur J Oral Sci 2014; 122:397-403. [DOI: 10.1111/eos.12152] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/01/2014] [Indexed: 01/21/2023]
Affiliation(s)
- Shams T. Khan
- Department of Zoology; College of Science; King Saud University; Riyadh Saudi Arabia
| | - Maqusood Ahamed
- King Abdullah Institute for Nanotechnology; King Saud University; Riyadh Saudi Arabia
| | - Javed Musarrat
- Department of Agricultural Microbiology; Faculty of Agricultural Sciences; Aligarh Muslim University; Aligarh India
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22
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Khan M, Khan ST, Khan M, Adil SF, Musarrat J, Al-Khedhairy AA, Al-Warthan A, Siddiqui MRH, Alkhathlan HZ. Antibacterial properties of silver nanoparticles synthesized using Pulicaria glutinosa plant extract as a green bioreductant. Int J Nanomedicine 2014; 9:3551-65. [PMID: 25114525 PMCID: PMC4122514 DOI: 10.2147/ijn.s61983] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The antibacterial properties of nanoparticles (NPs) can be significantly enhanced by increasing the wettability or solubility of NPs in aqueous medium. In this study, we investigated the effects of the stabilizing agent on the solubility of silver NPs and its subsequent effect on their antimicrobial activities. Silver NPs were prepared using an aqueous solution of Pulicaria glutinosa plant extract as bioreductant. The solution also acts as a capping ligand. During this study, the antimicrobial activities of silver NPs, as well as the plant extract alone, were tested against Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, and Micrococcus luteus. Silver NPs were prepared with various concentrations of the plant extract to study its effect on antimicrobial activity. Interestingly, various concentrations of P. glutinosa extract did not show any effect on the growth of tested bacteria; however, a significant effect on the antimicrobial property of plant extract capped silver NPs (Ag-NPs-PE) was observed. For instance, the half maximal inhibitory concentration values were found to decrease (from 4% to 21%) with the increasing concentrations of plant extract used for the synthesis of Ag-NPs-PE. These results clearly indicate that the addition of P. glutinosa extracts enhances the solubility of Ag-NPs-PE and, hence, increases their toxicity against the tested microorganisms.
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Affiliation(s)
- Mujeeb Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Shams Tabrez Khan
- Zoology Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Merajuddin Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Syed Farooq Adil
- Department of Chemistry, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Javed Musarrat
- Zoology Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | | | - Abdulrahman Al-Warthan
- Department of Chemistry, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | | | - Hamad Z Alkhathlan
- Department of Chemistry, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
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