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Tungare K, Gupta J, Bhori M, Garse S, Kadam A, Jha P, Jobby R, Amanullah M, Vijayakumar S. Nanomaterial in controlling biofilms and virulence of microbial pathogens. Microb Pathog 2024; 192:106722. [PMID: 38815775 DOI: 10.1016/j.micpath.2024.106722] [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: 01/28/2024] [Revised: 05/25/2024] [Accepted: 05/27/2024] [Indexed: 06/01/2024]
Abstract
The escalating threat of antimicrobial resistance (AMR) poses a grave concern to global public health, exacerbated by the alarming shortage of effective antibiotics in the pipeline. Biofilms, intricate populations of bacteria encased in self-produced matrices, pose a significant challenge to treatment, as they enhance resistance to antibiotics and contribute to the persistence of organisms. Amid these challenges, nanotechnology emerges as a promising domain in the fight against biofilms. Nanomaterials, with their unique properties at the nanoscale, offer innovative antibacterial modalities not present in traditional defensive mechanisms. This comprehensive review focuses on the potential of nanotechnology in combating biofilms, focusing on green-synthesized nanoparticles and their associated anti-biofilm potential. The review encompasses various aspects of nanoparticle-mediated biofilm inhibition, including mechanisms of action. The diverse mechanisms of action of green-synthesized nanoparticles offer valuable insights into their potential applications in addressing AMR and improving treatment outcomes, highlighting novel strategies in the ongoing battle against infectious diseases.
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Affiliation(s)
- Kanchanlata Tungare
- School of Biotechnology and Bioinformatics, D Y Patil Deemed to be University, Navi Mumbai, Plot no 50, Sector 15, CBD Belapur, 400614, Maharashtra, India.
| | - Juhi Gupta
- School of Biotechnology and Bioinformatics, D Y Patil Deemed to be University, Navi Mumbai, Plot no 50, Sector 15, CBD Belapur, 400614, Maharashtra, India
| | - Mustansir Bhori
- Inveniolife Technology PVT LTD, Office No.118, Grow More Tower, Plot No.5, Sector 2, Kharghar, Navi Mumbai, Maharashtra, 410210, India
| | - Samiksha Garse
- School of Biotechnology and Bioinformatics, D Y Patil Deemed to be University, Navi Mumbai, Plot no 50, Sector 15, CBD Belapur, 400614, Maharashtra, India
| | - Aayushi Kadam
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, Manitoba, R3T 2N2, Canada; Anatek Services PVT LTD, 10, Sai Chamber, Near Santacruz Railway Bridge, Sen Nagar, Santacruz East, Mumbai, Maharashtra, 400055, India
| | - Pamela Jha
- Sunandan Divatia School of Science, SVKM'S NMIMS University, Mumbai, India
| | - Renitta Jobby
- Amity Institute of Biotechnology, Amity University, Maharashtra, Mumbai-Pune Expressway, Bhatan, Panvel, Navi Mumbai, Maharashtra, 410206, India; Amity Centre of Excellence in Astrobiology, Amity University Maharashtra, Mumbai-Pune Expressway, Bhatan, Panvel, Navi Mumbai, Maharashtra, 410206, India
| | - Mohammed Amanullah
- Department of Clinical Biochemistry, College of Medicine, King Khalid University, Abha, Saudi Arabia, 61421
| | - Sekar Vijayakumar
- Center for Global Health Research (CGHR), Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, India; Marine College, Shandong University, Weihai, 264209, PR China
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Santos ACC, Batista GC, Cerqueira RC, Lisboa MG, Correa JL, Rodrigues TS, da Silva MNT, Bittar VP, Malta SM, Dos Santos NCL, Espindola FS, Bonetti AM, Ueira-Vieira C. Green synthesis of silver nanoparticle using pollen extract from Tetragonisca angustula a stingless bee. DISCOVER NANO 2024; 19:92. [PMID: 38801473 PMCID: PMC11130103 DOI: 10.1186/s11671-024-04038-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 05/22/2024] [Indexed: 05/29/2024]
Abstract
This study explores the green synthesis of silver nanoparticles (AgNPs) using a methanolic extract of fermented pollen from Tetragonisca angustula, a species of stingless bees. The AgNPs exhibit spherical morphology, low charge values, and suspension stability, with their unique composition attributed to elements from the pollen extract. Antioxidant assays show comparable activity between the pollen extract and AgNPs, emphasizing the retention of antioxidant effects. The synthesized AgNPs demonstrate antimicrobial activity against multidrug-resistant bacteria, highlighting their potential in combating bacterial resistance. The AgNPs exhibit no toxic effects on Drosophila melanogaster and even enhance the hatching rate of eggs. The study underscores the innovative use of stingless bee pollen extract in green synthesis, offering insights into the varied applications of AgNPs in biomedicine.
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Affiliation(s)
- Ana Carolina Costa Santos
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlândia, Uberlandia, Brazil
| | - Gabriela Carvalho Batista
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlândia, Uberlandia, Brazil
| | | | - Mariana Gonçalves Lisboa
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlândia, Uberlandia, Brazil
| | - Joberth Lee Correa
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlândia, Uberlandia, Brazil
| | - Tamiris Sabrina Rodrigues
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlândia, Uberlandia, Brazil
| | - Murillo Néia Thomaz da Silva
- Laboratory of Nanobiotechnology, Institute of Biotechnology, Federal University of Uberlândia, Uberlandia, Brazil
| | - Vinícius Prado Bittar
- Laboratory of Biochemistry and Molecular Biology, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Brazil
| | - Serena Mares Malta
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlândia, Uberlandia, Brazil
| | | | - Foued Salmen Espindola
- Laboratory of Biochemistry and Molecular Biology, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Brazil
| | - Ana Maria Bonetti
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlândia, Uberlandia, Brazil
| | - Carlos Ueira-Vieira
- Laboratory of Genetics, Institute of Biotechnology, Federal University of Uberlândia, Uberlandia, Brazil.
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Zhang ML, Zhang GP, Ma HS, Pan YZ, Liao XL. Preparation of pH-responsive polyurethane nano micelles and their antibacterial application. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024; 35:519-534. [PMID: 38265701 DOI: 10.1080/09205063.2024.2301807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 12/29/2023] [Indexed: 01/25/2024]
Abstract
Considering the differences in pH between bacterial infection microenvironment and normal tissues, a series of pH-responsive drug-release amphiphilic polyurethane copolymers (DPU-g-PEG) have been prepared in this work. Fourier transform infrared (FT-IR) spectroscopy and 1H NMR was selected to detect the structure of the condensed polymers. The DPU-g-PEG amphiphilic copolymers could form stable micelles with a hydrophilic shell of polyethylene glycol (PEG) and a hydrophobic core of polylactic acid (PLA). We loaded a model drug called triclosan onto DPU-g-PEG micelles and studied how pH affects their particle size, Zeta potential, and drug release performance. The results revealed that when exposed to acidic conditions, the surface potential of DPU-g-PEG micelles changed, the micelles' particle size increased, and the drug release performance was significantly enhanced. These results suggested that the micelles prepared in this study can release more antibacterial substances at sites of bacterial infection. Meanwhile, we also investigated the impact of different ratios of soft and hard segments on the properties of micelles, and the results showed that the pH responsiveness of micelles was strongest when the ratio of soft segments (PLLA diol + PEG 2000): 1,6-hexamethylene diisocyanate (HDI): 2,6-Bis-(2-hydroxy-ethyl)-pyrrolo[3,4-f]isoindole-1,3,5,7-tetraone (DMA) = 1: 1.2: 0.2. Furthermore, the results of inhibition zone test, minimum inhibitory concentration (MIC), and minimum bactericidal concentration (MBC) all confirmed the antibacterial activity of triclosan-load DPU-g-PEG micelles. In conclusion, the DPU-g-PEG micelles produced in this study have the potential to be used as intelligent drug delivery systems in the biomedical field.
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Affiliation(s)
- Mao-Lan Zhang
- Institute of Biomedical Engineering, Chongqing University of Science and Technology, Chongqing, China
| | - Gui-Ping Zhang
- Institute of Biomedical Engineering, Chongqing University of Science and Technology, Chongqing, China
| | - Hong-Shuo Ma
- Institute of Biomedical Engineering, Chongqing University of Science and Technology, Chongqing, China
| | - Yu-Zhu Pan
- School of Chemical Engineering, Sichuan University of Science and Engineering, Zigong, China
| | - Xiao-Ling Liao
- Institute of Biomedical Engineering, Chongqing University of Science and Technology, Chongqing, China
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Aboelenin AM, El-Mowafy M, Saleh NM, Shaaban MI, Barwa R. Ciprofloxacin- and levofloxacin-loaded nanoparticles efficiently suppressed fluoroquinolone resistance and biofilm formation in Acinetobacter baumannii. Sci Rep 2024; 14:3125. [PMID: 38326515 PMCID: PMC10850473 DOI: 10.1038/s41598-024-53441-1] [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: 07/23/2023] [Accepted: 01/31/2024] [Indexed: 02/09/2024] Open
Abstract
The spread of fluoroquinolone (FQ) resistance in Acinetobacter baumannii represents a critical health threat. This study aims to overcome FQ resistance in A. baumannii via the formulation of polymeric nanoFQs. Herein, 80 A. baumannii isolates were obtained from diverse clinical sources. All A. baumannii isolates showed high resistance to most of the investigated antimicrobials, including ciprofloxacin (CIP) and levofloxacin (LEV) (97.5%). FQ resistance-determining regions of the gyrA and parC genes were the most predominant resistant mechanism, harbored by 69 (86.3%) and 75 (93.8%) of the isolates, respectively. Additionally, plasmid-mediated quinolone resistance genes aac(6')-Ib and qnrS were detected in 61 (76.3%) and 2 (2.5%) of the 80 isolates, respectively. The CIP- and LEV-loaded poly ε-caprolactone (PCL) nanoparticles, FCIP and FLEV, respectively, showed a 1.5-6- and 6-12-fold decrease in the MIC, respectively, against the tested isolates. Interestingly, the time kill assay demonstrated that MICs of FCIP and FLEV completely killed A. baumannii isolates after 5-6 h of treatment. Furthermore, FCIP and FLEV were found to be efficient in overcoming the FQ resistance mediated by the efflux pumps in A. baumannii isolates as revealed by decreasing the MIC four-fold lower than that of free CIP and LEV, respectively. Moreover, FCIP and FLEV at 1/2 and 1/4 MIC significantly decreased biofilm formation by 47-93% and 69-91%, respectively. These findings suggest that polymeric nanoparticles can restore the effectiveness of FQs and represent a paradigm shift in the fight against A. baumannii isolates.
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Affiliation(s)
- Alaa M Aboelenin
- Department of Microbiology and Immunology, Faculty of Pharmacy, Mansoura University, PO Box 35516, Mansoura, Egypt
| | - Mohammed El-Mowafy
- Department of Microbiology and Immunology, Faculty of Pharmacy, Mansoura University, PO Box 35516, Mansoura, Egypt
| | - Noha M Saleh
- Department of Pharmaceutics, Faculty of Pharmacy, Mansoura University, PO Box 35516, Mansoura, Egypt
| | - Mona I Shaaban
- Department of Microbiology and Immunology, Faculty of Pharmacy, Mansoura University, PO Box 35516, Mansoura, Egypt.
| | - Rasha Barwa
- Department of Microbiology and Immunology, Faculty of Pharmacy, Mansoura University, PO Box 35516, Mansoura, Egypt.
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Singh A, Modi SK, Joshi P, Nenavathu BP, Singh MS, Verma S, Hatshan MR. Sunlight mediated removal of toxic pollutants from Yamuna wastewater using efficient nano TeO 2-ZnO nanocomposites. CHEMOSPHERE 2024; 348:140658. [PMID: 37956931 DOI: 10.1016/j.chemosphere.2023.140658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/23/2023] [Accepted: 11/06/2023] [Indexed: 11/21/2023]
Abstract
We have utilised our TeO2-ZnO nanocomposites for Yamuna wastewater treatment in natural sunlight wherein the sampling site was Nigam Bodh Ghat, Kashmere Gate, Delhi. In BET isotherm, TZ NCs exhibited type IV isotherm forming a H3 like hysteric loop sustaining mesoporous characteristic with an increase in surface area, pore volume and pore diameter of 56.76 m2/g, 0.257 cc/g and 17.18 nm respectively, when compared to pristine ZnO NPs. Yamuna wastewater treatment was carried out using various concentrations of TZ NCs (range 0.1-0.3 g/500 mL) under natural sunlight. Post-treatment, all the physicochemical parameters such as DO, BOD, COD, Nitrates, Ammonia and Phenolic contents were found to be reduced to 10 times bringing Yamuna water parameters within safe limits. Our TZ NCs have shown to have high selectivity for the removal of Chromium from water. Out of all the three concentrations 0.2 g/500 mL or 0.4 mg/mL is the most optimum concentration of TZ NCs for complete Yamuna wastewater treatment. Also, the bacterial culture present in Yamuna water was killed by 90% using TZ having MIC of 0.1 mg/mL. The antibiofilm activity of TZ against K.pneumoniae MTCC 109 was also checked using Congo Red Agar Assay. The presence of heavy metals, their corresponding degradation and leaching studies were analysed using ICP-OES. TZ NCs showed a very minimal leaching rate of Zinc into the water, proving no toxicity associated with these nanocomposites. Further, to observe the safe disposal of TZ NCs into the soil, TZ NCs were utilised for ecotoxicity studies.
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Affiliation(s)
- Aishwarya Singh
- Department of Applied Sciences and Humanities, Indira Gandhi Delhi Technical University for Women, Delhi, 110006, India
| | - Suraj Kumar Modi
- Department of Biotechnology, Bennett University, Greater Noida, Uttar Pradesh, 201310, India; Centre of Excellence for Nanosensors and Nanomedicine, Bennett University, Greater Noida, Uttar Pradesh, India
| | - Preeti Joshi
- Department of Applied Sciences and Humanities, Indira Gandhi Delhi Technical University for Women, Delhi, 110006, India
| | - Bhavani Prasad Nenavathu
- Department of Applied Sciences and Humanities, Indira Gandhi Delhi Technical University for Women, Delhi, 110006, India.
| | - Manu Smriti Singh
- Department of Biotechnology, Bennett University, Greater Noida, Uttar Pradesh, 201310, India; Centre of Excellence for Nanosensors and Nanomedicine, Bennett University, Greater Noida, Uttar Pradesh, India; Centre for Life Sciences, Mahindra University Survey, No: 62/1A, Bahadurpally Jeedimetla, Hyderabad, Telangana, 500043, India
| | - Swati Verma
- Department of Civil and Environmental Engineering, Hanyang University, Seoul, 04763, Republic of Korea.
| | - Mohammad Rafe Hatshan
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
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Kaiser KG, Delattre V, Frost VJ, Buck GW, Phu JV, Fernandez TG, Pavel IE. Nanosilver: An Old Antibacterial Agent with Great Promise in the Fight against Antibiotic Resistance. Antibiotics (Basel) 2023; 12:1264. [PMID: 37627684 PMCID: PMC10451389 DOI: 10.3390/antibiotics12081264] [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: 06/30/2023] [Revised: 07/21/2023] [Accepted: 07/27/2023] [Indexed: 08/27/2023] Open
Abstract
Antibiotic resistance in bacteria is a major problem worldwide that costs 55 billion USD annually for extended hospitalization, resource utilization, and additional treatment expenditures in the United States. This review examines the roles and forms of silver (e.g., bulk Ag, silver salts (AgNO3), and colloidal Ag) from antiquity to the present, and its eventual incorporation as silver nanoparticles (AgNPs) in numerous antibacterial consumer products and biomedical applications. The AgNP fabrication methods, physicochemical properties, and antibacterial mechanisms in Gram-positive and Gram-negative bacterial models are covered. The emphasis is on the problematic ESKAPE pathogens and the antibiotic-resistant pathogens of the greatest human health concern according to the World Health Organization. This review delineates the differences between each bacterial model, the role of the physicochemical properties of AgNPs in the interaction with pathogens, and the subsequent damage of AgNPs and Ag+ released by AgNPs on structural cellular components. In closing, the processes of antibiotic resistance attainment and how novel AgNP-antibiotic conjugates may synergistically reduce the growth of antibiotic-resistant pathogens are presented in light of promising examples, where antibiotic efficacy alone is decreased.
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Affiliation(s)
- Kyra G. Kaiser
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA; (K.G.K.); (V.D.); (G.W.B.)
- Department of Life Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
| | - Victoire Delattre
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA; (K.G.K.); (V.D.); (G.W.B.)
- Department of Life Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
| | - Victoria J. Frost
- Department of Chemistry, Physics, Geology and the Environment, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA; (V.J.F.); (J.V.P.)
- Department of Biology, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA
| | - Gregory W. Buck
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA; (K.G.K.); (V.D.); (G.W.B.)
- Department of Life Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
| | - Julianne V. Phu
- Department of Chemistry, Physics, Geology and the Environment, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA; (V.J.F.); (J.V.P.)
- Department of Biology, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA
| | - Timea G. Fernandez
- Department of Chemistry, Physics, Geology and the Environment, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA; (V.J.F.); (J.V.P.)
- Department of Biology, Winthrop University, 701 Oakland Avenue, Rock Hill, SC 29733, USA
| | - Ioana E. Pavel
- Department of Physical and Environmental Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA; (K.G.K.); (V.D.); (G.W.B.)
- Department of Life Sciences, Texas A&M University Corpus Christi, 6300 Ocean Drive, Corpus Christi, TX 78412, USA
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