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Wintachai P, Jaroensawat N, Harding P, Wiwasuku T, Mitsuwan W, Septama AW. Antibacterial and antibiofilm efficacy of Solanum lasiocarpum root extract synthesized silver/silver chloride nanoparticles against Staphylococcus haemolyticus associated with bovine mastitis. Microb Pathog 2024; 192:106724. [PMID: 38834135 DOI: 10.1016/j.micpath.2024.106724] [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: 03/14/2024] [Revised: 04/30/2024] [Accepted: 06/01/2024] [Indexed: 06/06/2024]
Abstract
Staphylococcus haemolyticus is a cause of bovine mastitis, leading to inflammation in the mammary gland. This bacterial infection adversely affects animal health, reducing milk quality and yield. Its emergence has been widely reported, representing a significant economic loss for dairy farms. Interestingly, S. haemolyticus exhibits higher levels of antimicrobial resistance than other coagulase-negative Staphylococci. In this study, we synthesized silver/silver chloride nanoparticles (Ag/AgCl-NPs) using Solanum lasiocarpum root extract and evaluated their antibacterial and antibiofilm activities against S. haemolyticus. The formation of the Ag/AgCl-NPs was confirmed using UV-visible spectroscopy, which revealed maximum absorption at 419 nm. X-ray diffraction (XRD) analysis demonstrated the crystalline nature of the Ag/AgCl-NPs, exhibiting a face-centered cubic lattice. Fourier transform infrared (FT-IR) spectroscopy elucidated the functional groups potentially involved in the Ag/AgCl-NPs synthesis. Transmission electron microscopy (TEM) analysis revealed that the average particle size of the Ag/AgCl-NPs was 10 nm. Antimicrobial activity results indicated that the minimum inhibitory concentration (MIC) and maximum bactericidal concentration (MBC) of the Ag/AgCl-NPs treatment were 7.82-15.63 μg/mL towards S. haemolyticus. Morphological changes in bacterial cells treated with the Ag/AgCl-NPs were observed under scanning electron microscopy (SEM). The Ag/AgCl-NPs reduced both the biomass of biofilm formation and preformed biofilm by approximately 20.24-94.66 % and 13.67-88.48 %. Bacterial viability within biofilm formation and preformed biofilm was reduced by approximately 21.56-77.54 % and 18.9-71.48 %, respectively. This study provides evidence of the potential of the synthesized Ag/AgCl-NPs as an antibacterial and antibiofilm agent against S. haemolyticus.
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Affiliation(s)
- Phitchayapak Wintachai
- School of Science, Walailak University, Thasala, Nakhon Si Thammarat, 80161, Thailand; Functional Materials and Nanotechnology Center of Excellence, Walailak University, Thasala, Nakhon Si Thammarat, 80161, Thailand.
| | - Nannapat Jaroensawat
- School of Science, Walailak University, Thasala, Nakhon Si Thammarat, 80161, Thailand
| | - Phimphaka Harding
- School of Chemistry, Institute of Science, Suranaree University of Technology, Muang District, Nakhon Ratchasima, 30000, Thailand
| | - Theanchai Wiwasuku
- School of Science, Walailak University, Thasala, Nakhon Si Thammarat, 80161, Thailand; Functional Materials and Nanotechnology Center of Excellence, Walailak University, Thasala, Nakhon Si Thammarat, 80161, Thailand
| | - Watcharapong Mitsuwan
- Akkhraratchakumari Veterinary College, Walailak University, Thasala, Nakhon Si Thammarat, 80161, Thailand; One Health Research Center, Walailak University, Thasala, Nakhon Si Thammarat, 80161, Thailand; Center of Excellence in Innovation of Essential Oil and Bio-active Compound, Walailak University, Thasala, Nakhon Si Thammarat, 80161, Thailand
| | - Abdi Wira Septama
- Research Centre for Pharmaceutical Ingredients and Traditional Medicine, National Research and Innovation Agency (BRIN), South Tangerang, Banten, 15314, Indonesia
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Elhrech H, Aguerd O, El Kourchi C, Gallo M, Naviglio D, Chamkhi I, Bouyahya A. Comprehensive Review of Olea europaea: A Holistic Exploration into Its Botanical Marvels, Phytochemical Riches, Therapeutic Potentials, and Safety Profile. Biomolecules 2024; 14:722. [PMID: 38927125 PMCID: PMC11201932 DOI: 10.3390/biom14060722] [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: 05/16/2024] [Revised: 06/13/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
Human health is now inextricably linked to lifestyle choices, which can either protect or predispose people to serious illnesses. The Mediterranean diet, characterized by the consumption of various medicinal plants and their byproducts, plays a significant role in protecting against ailments such as oxidative stress, cancer, and diabetes. To uncover the secrets of this natural treasure, this review seeks to consolidate diverse data concerning the pharmacology, toxicology, phytochemistry, and botany of Olea europaea L. (O. europaea). Its aim is to explore the potential therapeutic applications and propose avenues for future research. Through web literature searches (using Google Scholar, PubMed, Web of Science, and Scopus), all information currently available on O. europaea was acquired. Worldwide, ethnomedical usage of O. europaea has been reported, indicating its effectiveness in treating a range of illnesses. Phytochemical studies have identified a range of compounds, including flavanones, iridoids, secoiridoids, flavonoids, triterpenes, biophenols, benzoic acid derivatives, among others. These components exhibit diverse pharmacological activities both in vitro and in vivo, such as antidiabetic, antibacterial, antifungal, antioxidant, anticancer, and wound-healing properties. O. europaea serves as a valuable source of conventional medicine for treating various conditions. The findings from pharmacological and phytochemical investigations presented in this review enhance our understanding of its therapeutic potential and support its potential future use in modern medicine.
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Affiliation(s)
- Hamza Elhrech
- Laboratory of Human Pathologies Biology, Department of Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat 10106, Morocco; (H.E.); (O.A.)
| | - Oumayma Aguerd
- Laboratory of Human Pathologies Biology, Department of Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat 10106, Morocco; (H.E.); (O.A.)
| | - Chaimae El Kourchi
- Laboratory of Materials, Nanotechnology and Environment, Faculty of Sciences, Mohammed V University in Rabat, Rabat 10106, Morocco;
| | - Monica Gallo
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy
| | - Daniele Naviglio
- Department of Chemical Sciences, University of Naples Federico II, Via Cintia, 4, 80126 Naples, Italy;
| | - Imane Chamkhi
- Geo-Biodiversity and Natural Patrimony Laboratory (GeoBio), Geophysics, Natural Patrimony, Research Center (GEOPAC), Scientific Institute, Mohammed V University in Rabat, Rabat 10106, Morocco;
| | - Abdelhakim Bouyahya
- Laboratory of Human Pathologies Biology, Department of Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat 10106, Morocco; (H.E.); (O.A.)
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Mishra S, Gantayat S, Dhara C, Bhatt A, Singh M, Vijayakumar S, Rajput M. Advances in bioinspired nanomaterials managing microbial biofilms and virulence: A critical analysis. Microb Pathog 2024; 193:106738. [PMID: 38857710 DOI: 10.1016/j.micpath.2024.106738] [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: 12/31/2023] [Revised: 05/30/2024] [Accepted: 06/07/2024] [Indexed: 06/12/2024]
Abstract
Microbial virulence and biofilm formation stand as a big concern against the goal of achieving a green and sustainable future. Microbial pathogenesis is the process by which the microbes (bacterial, fungal, and viral) cause illness in their respective host organism. 'Nanotechnology' is a state-of-art discipline to address this problem. The use of conventional techniques against microbial proliferation has been challenging against the environment. To tackle this problem, there has been a revolution in this multi-disciplinary field, to address the aspect of bioinspired nanomaterials in the antibiofilm and antimicrobial sector. Bioinspired nanomaterials prove to be a potential antibiofilm and antimicrobial agent as they are non-hazardous to the environment and mostly synthesized using a single-step reduction protocol. They exhibit synergistic effects against bacterial, fungal, and viral pathogens and thereby, control the virulence. In this literature review, we have elucidated the potential of bioinspired nanoparticles as well as nanomaterials as a promising anti-microbial treatment pedagogy and throw light on the advancements in how smart photo-switchable platforms have been designed to exhibit both bacterial releasing as well as bacterial-killing properties. Certain limitations and possible outcomes of these bio-based nanomaterials have been discussed in the hope of achieving a green and sustainable ecosystem.
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Affiliation(s)
- Sudhanshu Mishra
- School of Biosciences, Apeejay Stya University, Sohna-Palwal Road, Gurugram, Haryana, 122103, India.
| | - Saumyatika Gantayat
- School of Biosciences, Apeejay Stya University, Sohna-Palwal Road, Gurugram, Haryana, 122103, India
| | - Chandrajeet Dhara
- School of Biosciences, Apeejay Stya University, Sohna-Palwal Road, Gurugram, Haryana, 122103, India
| | - Ayush Bhatt
- School of Biosciences, Apeejay Stya University, Sohna-Palwal Road, Gurugram, Haryana, 122103, India
| | - Monika Singh
- Department of Biotechnology, School of Applied and Life Sciences (SALS), Uttaranchal University, Arcadia Grant, P.O., Chandanwari, Dehradun, 248007, India
| | - 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, China, 264209
| | - Minakshi Rajput
- Department of Biotechnology, School of Applied and Life Sciences (SALS), Uttaranchal University, Arcadia Grant, P.O., Chandanwari, Dehradun, 248007, India; Gurukula Kangri (Deemed to be University), Haridwar, Uttarakhand, 249404, India.
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Jose A, Asha S, Rani A, T S X, Kumar P. Pseudomonas otitidis-mediated synthesis of silver nanoparticles: characterization, antimicrobial and antibiofilm potential. Lett Appl Microbiol 2024; 77:ovae053. [PMID: 38845375 DOI: 10.1093/lambio/ovae053] [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: 02/16/2024] [Revised: 05/26/2024] [Accepted: 06/04/2024] [Indexed: 06/21/2024]
Abstract
This study explores the eco-friendly synthesis of silver nanoparticles (AgNPs) using soil bacteria, Pseudomonas otitidis. The bio-synthesized AgNPs were characterized using various techniques, including UV-visible spectroscopy, Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and X-ray diffraction (XRD). UV-visible spectroscopy revealed a distinct broad absorption band in the range of 443 nm, indicating the reduction of silver nitrate to AgNPs. XRD analysis provided evidence of the crystalline nature of the particles, with sharp peaks confirming their crystallinity and an average size of 82.76 nm. FTIR spectroscopy identified extracellular protein compounds as capping agents. SEM examination revealed spherical agglomeration of the crystalline AgNPs. The antimicrobial assay by a disc diffusion method, minimum inhibitory concentration, and minimum bactericidal concentration testing revealed that the biosynthesized AgNPs showed moderate antibacterial activity against both pathogenic Gram-negative (Klebsiella pneumoniae, Pseudomonas aeruginosa, and Acinetobacter baumannii) and Gram-positive (Bacillus cereus, Staphylococcus aureus, and Streptococcus mutans) bacterial strains. Furthermore, the AgNPs significantly disrupted the biofilm of P. aeruginosa, as confirmed by crystal violet assay and fluorescent microscopy. Overall, this study underscores the potential of microbial-synthesized nanoparticles in biomedical applications, particularly in combating pathogenic bacteria, offering a promising avenue for future research and development.
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Affiliation(s)
- Ashitha Jose
- Department of Zoology, Government College for Women, Thiruvananthapuram 695014, Kerala, India
| | - Sneha Asha
- Department of Zoology, Government College for Women, Thiruvananthapuram 695014, Kerala, India
| | - Anaswara Rani
- Department of Zoology, Government College for Women, Thiruvananthapuram 695014, Kerala, India
| | - Xavier T S
- Center for Advanced Materials Research, Department of Physics, Government College for Women, Thiruvananthapuram 695014, Kerala, India
| | - Praveen Kumar
- Department of Zoology, Government College for Women, Thiruvananthapuram 695014, Kerala, India
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Alex AM, Subburaman S, Chauhan S, Ahuja V, Abdi G, Tarighat MA. Green synthesis of silver nanoparticle prepared with Ocimum species and assessment of anticancer potential. Sci Rep 2024; 14:11707. [PMID: 38777818 PMCID: PMC11111742 DOI: 10.1038/s41598-024-61946-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 05/12/2024] [Indexed: 05/25/2024] Open
Abstract
Silver nanoparticles (AgNPs) have gained much attention due to their unique physical, and chemical properties. Integration of phytochemicals in nanoformulation might have higher applicability in healthcare. Current work demonstrates the synthesis of green AgNPs with O. gratissimum (gr-AgNPs) O. tenuiflorum (te-AgNPs) and O. americanum (am-AgNPs) followed by an evaluation of their antimicrobial and anticancer properties. SEM analysis revealed spherical-shaped particles with average particle sizes of 69.0 ± 5 nm for te-AgNPs, 46.9 ± 9 nm for gr-AgNPs, and 58.5 ± 18.7 nm for am-AgNPs with a polydispersity index below 0.4. The synthesized am-AgNPs effectively inhibited Klebsiella pneumonia, Escherichia coli, Staphylococcus aureus, Aspergillus niger, and Candida albicans with 23 ± 1.58 mm, 20 ± 1.68 mm, 22 ± 1.80 mm, 26 ± 1.85 mm, and 22 ± 1.40 nm of zone of inhibition respectively. Synthesized AgNPs also induced apoptotic cell death in MCF-7 in concentration-dependent manner. IC50 values for am-AgNPs, te-AgNPs, and gr-AgNPs were 14.78 ± 0.89 µg, 18.04 ± 0.63 and 15.41 ± 0.37 µg respectively which suggested that am-AgNPs were the most effective against cancer. At higher dose size (20 µg) AgNPs were equally effective to commercial standard Doxorubicin (DOX). In comparison to te-AgNPs and gr-AgNPs, am-AgNPs have higher in vitro anticancer and antimicrobial effects. The work reported Ocimum americanum for its anticancer properties with chemical profile (GCMS) and compared it with earlier reported species. The activity against microbial pathogens and selected cancer cells clearly depicted that these species have distinct variations in activity. The results have also emphasized on higher potential of biogenic silver nanoparticles in healthcare but before formulation of commercial products, detailed analysis is required with human and animal models.
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Affiliation(s)
- Asha Monica Alex
- Department of Biotechnology, St Joseph's College, (Autonomous) affiliated to Bharathidasan University, Trichy, Tamil Nadu, India
| | | | - Shikha Chauhan
- University Institute of Biotechnology, Chandigarh University Mohali (Punjab), Gharuan, India
| | - Vishal Ahuja
- University Institute of Biotechnology and University Centre for Research and Development Chandigarh University Mohali (Punjab), Gharuan, India.
| | - Gholamreza Abdi
- Department of Biotechnology, Persian Gulf Research Institute, Persian Gulf University, Bushehr, 75169, Iran.
| | - Maryam Abbasi Tarighat
- Faculty of Nano and Bio Science and Technology, Persian Gulf University, Bushehr, 75169, Iran.
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Abdelrazek HM, Ghozlan HA, Sabry SA, Abouelkheir SS. Copper oxide nanoparticles (CuO-NPs) as a key player in the production of oil-based paint against biofilm and other activities. Heliyon 2024; 10:e29758. [PMID: 38720728 PMCID: PMC11076648 DOI: 10.1016/j.heliyon.2024.e29758] [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: 12/24/2023] [Revised: 04/12/2024] [Accepted: 04/15/2024] [Indexed: 05/12/2024] Open
Abstract
Copper oxide nanoparticles are among the metal nanoparticles gaining popularity in many biotechnological fields, particularly in marine environments. Their antimicrobial and antibiofilm activities make them appealing to many researchers. Among the various methods of producing nanoparticles, biosynthesis is crucial. Thus, a large number of reports have been made about the microbiological manufacture of these nanoparticles by bacteria. Nevertheless, bio-production by means of the cell-free supernatant of marine bacteria is still in its primary phase. This is landmark research to look at how bacteria make a lot (14 g/L) of copper oxide nanoparticles (CuO-NPs) via the cell-free supernatant of Bacillus siamensis HS, their characterization, and their environmental and medical approaches. The biosynthesized nanoparticles were characterized using a UV-visible spectrum range that provides two maximum absorption peaks, one obtained at 400 nm and the other around 550-600 nm. Diffraction of X-rays (XRD) clarifies that the size of the NPs obtained was estimated to be 18 nm using Debye-Scherrer's equation. Scanning electron microscope-energy dispersive X-ray spectroscopy (SEM-EDX) displays 91.93 % copper oxide purity. The Transmission Electron Microscope (TEM) image proves that the particles have a spherical form and an average diameter of 6.54-8.60 nm. At the environmental level, nanoparticles incorporated into oil-based paint can be used as antibiofilm tools to diminish the biofilm formed on the submerged surface in the marine environment. In disease management, NPs can be used as a wound healing agent to reduce the wound gap size as well as an anti-tumour agent to control liver cancer cells (hepatoma cells (HepG2)).
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Affiliation(s)
- Hanan M. Abdelrazek
- Faculty of Science, Alexandria University, Moharrem Bey, 21511 Alexandria, Egypt
| | - Hanan A. Ghozlan
- Faculty of Science, Alexandria University, Moharrem Bey, 21511 Alexandria, Egypt
| | - Soraya A. Sabry
- Faculty of Science, Alexandria University, Moharrem Bey, 21511 Alexandria, Egypt
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Fatima E, Arooj I, Javeed M, Yin J. Green synthesis, characterization and applications of Phyllanthus emblica fruit extract mediated chromium oxide nanoparticles. DISCOVER NANO 2024; 19:68. [PMID: 38625606 PMCID: PMC11019192 DOI: 10.1186/s11671-024-04006-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 04/08/2024] [Indexed: 04/17/2024]
Abstract
The green synthesis of metallic nanoparticles is attributable towards diverse applications in various fields, recently. In this research, we report simple and eco-friendly synthesis of chromium oxide (Cr2O3) nanoparticles using the fruit extract of Phyllanthus emblica as a reducing and capping agent. The absorbance peaks at 350 nm and 450 nm validated the nanoparticle formation in UV-visible spectrum. FTIR spectrum revealed the nature of functional groups. The crystalline properties of nanoparticles were ascertained by XRD analysis. EDX spectrum corroborated the elemental composition of nanoparticles in which chromium and oxygen constituted 68% of total weight. SEM images demonstrated agglomeration of nanoparticles resulting in the formation of large irregularly shaped flakes. Cr2O3 nanoparticles demonstrated excellent antimicrobial properties against 11 bacterial isolates and 1 fungal isolate. The largest inhibition zone (53 mm) was measured against A. baumannii while the smallest inhibition zone (26 mm) was recorded against S. aureus. Minimum inhibitory concentration (MIC) values were < 1 µg/ml for all microbes. However, the synthesized nanoparticles did not reveal synergism with any of the selected antibiotics (FICI values > 1). Nanoparticles possessed potent anti-biofilm powers with maximum (77%) inhibition of E. coli biofilms and minimum (45%) inhibition of S. enterica biofilms. Photocatalytic activity of Cr2O3 nanoparticles was evaluated to determine their efficacy in environmental bioremediation. Outcomes demonstrated degradation of methyl red (84%) but not of methylene blue dye. Furthermore, the Cr2O3 nanoparticles displayed considerable antioxidant (43%) as well as anti-inflammatory (44%) potentials. Hence, the present study accounts for the versatile applications of P. emblica-mediated Cr2O3 nanoparticles which could be pursued for future biomedical and environmental applications.
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Affiliation(s)
- Easha Fatima
- Department of Microbiology and Molecular Genetics, Faculty of Life Sciences, The Women University, Multan, 66000, Pakistan
| | - Iqra Arooj
- Department of Microbiology and Molecular Genetics, Faculty of Life Sciences, The Women University, Multan, 66000, Pakistan.
| | - Mehvish Javeed
- Department of Microbiology and Molecular Genetics, Faculty of Life Sciences, The Women University, Multan, 66000, Pakistan
| | - Jian Yin
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, 215163, Jiangsu, China
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Anguraj A, Michael HSR, Sugumaran S, Madhusudhanan GR, Sivaraman RK. A comparative study on biosynthesized silver nanoparticles from H. undatus fruit peel and their therapeutic applications. DISCOVER NANO 2024; 19:49. [PMID: 38499901 PMCID: PMC10948681 DOI: 10.1186/s11671-024-03995-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Accepted: 03/11/2024] [Indexed: 03/20/2024]
Abstract
The green synthesis of nanoparticles (NPs) gained significant impacts in various fields due to the use of eco-friendly approaches. In this study, silver nanoparticles (AgNPs) were synthesized from the aqueous extract of Hylocereus undatus fruit peel. The presence of AgNPs was analysed using characterization methods such as UV‒Vis, FTIR, GCMS, XRD, EDAX, and FESEM. The synthesized AgNPs showed greater antibacterial activity against Escherichia coli than against Streptococcus pneumoniae. The antifungal activity against Candida albicans was greater than that against Candida tropicalis. The IC50 value for the antibiofilm activity of the AgNPs was 2.81 µg/mL, whereas that of the H. undatus peel extract was 1.34 µg/mL. The invitro antioxidant activity of the AgNPs was evaluated using two different methods. The DPPH radical scavenging activity of the AgNPs and fruit peel extract was observed with IC50 values of 3.8 and 2.03 µg/mL respectively. On the other hand, nitric oxide radical scavenging activities were recorded and the IC50 values were calculated to be 2.8 and 2.3 µg/mL. The AgNPs demonstrated thrombolytic activity in human blood with 10, 32.36, and 56.25% lysis. The cytotoxicity of the AgNPs was minimal, with an IC50 of 0.2 µg/mL and the peel extract had the greatest cytotoxicity with an IC50 of 0.3 µg/mL. The findings of this study demonstrated that the synthesized AgNPs from H. undatus peel extract could be potential candidates for treating prostate cancer.
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Affiliation(s)
- Aswini Anguraj
- Department of Biotechnology, Sri Ramakrishna College of Arts and Science, Coimbatore, Tamilnadu, 641 006, India
| | - Helan Soundra Rani Michael
- Department of Biotechnology, Sri Ramakrishna College of Arts and Science, Coimbatore, Tamilnadu, 641 006, India
| | - Sathish Sugumaran
- Department of Physics, MVJ College of Engineering, Bengaluru, Karnataka, India
| | - Gogul Ramnath Madhusudhanan
- Department of Biotechnology, Sri Ramakrishna College of Arts and Science, Coimbatore, Tamilnadu, 641 006, India
| | - Rathish Kumar Sivaraman
- Department of Biotechnology, Sri Ramakrishna College of Arts and Science, Coimbatore, Tamilnadu, 641 006, India.
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Mehmood S, Hussain M, Bux K, Hussain Z, Raza Shah M, Ali Jakhrani M, Ali Channar P, Begum I, Saboor R, Yildiz CB, Ali K, Herwig R. Structural dynamics and anti-biofilm screening of novel imidazole derivative to explore their anti-biofilm inhibition mechanism against Pseudomonas Aeruginosa. J Biomol Struct Dyn 2024:1-15. [PMID: 38385459 DOI: 10.1080/07391102.2024.2317983] [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: 06/26/2023] [Accepted: 02/07/2024] [Indexed: 02/23/2024]
Abstract
The biofilm formation is still prevalent mechanism of developing the drug resistance in the Pseudomonas aeruginosa, gram-negative bacteria, known for its major role in nosocomial, ventilator-associated pneumonia (VAP), lung infections and catheter-associated urinary tract infections. As best of our knowledge, current study first time reports the most potent inhibitors of LasR, a transcriptional activator of biofilm and virulence regulating genes in, Pseudomonas aeruginosa LasR, utilizing newly functionalized imidazoles (5a-d), synthesized via 1,3-dipolar cycloaddition using click approach. The synthesized ligands were characterized through Mass Spectrometry and 1H NMR. The binding potency and mode of biding of ligands. Quantum Mechanical(QM) methods were utilized to investigate the electronic basis, HOMO/LUMO and dipole moment of the geometry of the ligands for their binding potency. Dynamics cross correlation matrix (DCCMs) and protein surface analysis were further utilized to explore the structural dynamics of the protein. Free energy of binding of ligands and protein were further estimated using Molecular Mechanical Energies with the Poisson-Boltzmann surface area (MMPBSA) method. Molecular Docking studies revealed significant negative binding energies (5a - 10.33, 5b -10.09, 5c - 10.11, and 5d -8.33 KJ/mol). HOMO/LUMO and potential energy surface map estimation showed the ligands(5a) with lower energy gaps and larger dipole moments had relatively larger binding potency. The significant change in the structural dynamics of LasR protein due to complex formation with newlyfunctionalized imidazoles ligands. Hydrogen bond surface analysis followed by MMPBSA calculations of free energy of binding further complemented the Molecular docking revelations showing the specifically ligand (5a) having the relatively higher energy of binding(-65.22kj/mol).Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Shahab Mehmood
- Shaheed Zulfiqar Ali Bhutto Institute of Science and Technology (SZABIST), Pakistan
| | - Mumtaz Hussain
- Department of Chemistry, University of Karachi, Karachi, Pakistan
| | - Khair Bux
- Shaheed Zulfiqar Ali Bhutto Institute of Science and Technology (SZABIST), Pakistan
| | - Zahid Hussain
- Department of Chemistry, University of Karachi, Karachi, Pakistan
| | - Muhammad Raza Shah
- International Center for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, Karachi, Pakistan
| | - Mushtaque Ali Jakhrani
- Institute of Chemistry, Shah Abdul Latif University Khairpur mirs, Khairpurmirs, Sindh, Pakistan
| | - Pervaiz Ali Channar
- Department of Basic Sciences and Humanities, Faculty of Information Sciences and Humanities, Dawood University of Engineering and Technology Karachi, Karachi, Pakistan
| | - Irshad Begum
- Department of Chemistry, University of Karachi, Karachi, Pakistan
| | - Rukhsana Saboor
- Department of Pathology, Ghulam Muhammad Mahar Medical College, Sukkur, Pakistan
| | - Cem B Yildiz
- Department of Medicinal and Aromatic Plants, University of Aksaray, Aksaray, Turkey
| | - Kashif Ali
- Shaheed Zulfiqar Ali Bhutto Institute of Science and Technology (SZABIST), Pakistan
| | - Ralf Herwig
- Laboratories PD Dr. R. Herwig, 80337 Munich, Germany and Heimerer-College, Pristina, Kosovo
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Kashyap AS, Manzar N, Vishwakarma SK, Mahajan C, Dey U. Tiny but mighty: metal nanoparticles as effective antimicrobial agents for plant pathogen control. World J Microbiol Biotechnol 2024; 40:104. [PMID: 38372816 DOI: 10.1007/s11274-024-03911-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 01/29/2024] [Indexed: 02/20/2024]
Abstract
Metal nanoparticles (MNPs) have gained significant attention in recent years for their potential use as effective antimicrobial agents for controlling plant pathogens. This review article summarizes the recent advances in the role of MNPs in the control of plant pathogens, focusing on their mechanisms of action, applications, and limitations. MNPs can act as a broad-spectrum antimicrobial agent against various plant pathogens, including bacteria, fungi, and viruses. Different types of MNPs, such as silver, copper, zinc, iron, and gold, have been studied for their antimicrobial properties. The unique physicochemical properties of MNPs, such as their small size, large surface area, and high reactivity, allow them to interact with plant pathogens at the molecular level, leading to disruption of the cell membrane, inhibition of cellular respiration, and generation of reactive oxygen species. The use of MNPs in plant pathogen control has several advantages, including their low toxicity, selectivity, and biodegradability. However, their effectiveness can be influenced by several factors, including the type of MNP, concentration, and mode of application. This review highlights the current state of knowledge on the use of MNPs in plant pathogen control and discusses the future prospects and challenges in the field. Overall, the review provides insight into the potential of MNPs as a promising alternative to conventional chemical agents for controlling plant pathogens.
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Affiliation(s)
- Abhijeet Shankar Kashyap
- Plant Pathology Lab, ICAR-National Bureau of Agriculturally Important Microorganism, Mau, Uttar Pradesh, India.
| | - Nazia Manzar
- Plant Pathology Lab, ICAR-National Bureau of Agriculturally Important Microorganism, Mau, Uttar Pradesh, India.
| | - Shailesh Kumar Vishwakarma
- Plant Pathology Lab, ICAR-National Bureau of Agriculturally Important Microorganism, Mau, Uttar Pradesh, India
| | - Chetna Mahajan
- Department of Plant Pathology, Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya, Palampur, HP, 176062, India
| | - Utpal Dey
- Krishi Vigyan Kendra (KVK)-Sepahijala, Central Agricultural University (Imphal), Sepahijala, Tripura, India
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11
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Ankudze B, Neglo D, Nsiah F. Green synthesis of silver nanoparticles from discarded shells of velvet tamarind (Dialium cochinchinense) and their antimicrobial synergistic potentials and biofilm inhibition properties. Biometals 2024; 37:143-156. [PMID: 37695459 DOI: 10.1007/s10534-023-00534-5] [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: 03/28/2023] [Accepted: 08/28/2023] [Indexed: 09/12/2023]
Abstract
In the field of nanomedicine, biogenic metal nanoparticles are commonly synthesized using edible plant products as bio-reducing or stabilizing agents. In this study, discarded shell of velvet tamarind fruit is explored as a potent reducing agent for biogenic synthesis of silver nanoparticles (VeV-AgNPs). Silver nanoparticles were formed in minutes under sunlight exposure, which was considerably fast compared to under ambient conditions. The optical, structural and morphological studies revealed that the nanoparticle colloidal solution consisted of particles with quasi-spherical and rodlike morphologies. To investigate antimicrobial properties, eight microorganisms were exposed to the VeV-AgNPs. The results indicated that VeV-AgNPs had enhanced antimicrobial activity, with a recorded minimum inhibitory concentration (MIC) of 3.9 µg/mL against E. coli. Further studies were conducted to examine the biofilm inhibition properties and synergistic effect of the VeV-AgNPs. The findings showed a biofilm inhibition potential of around 98% against E. coli, and the particles were also found to increase the efficacy of standard antimicrobial agents. The combinatory effect with standard antifungal and antibacterial agents ranged from synergistic to antagonistic effects against the tested microorganisms. These results suggest that silver nanoparticles produced from discarded shells of velvet tamarind are potent and could be used as a potential drug candidate to combat antimicrobial resistance.
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Affiliation(s)
- Bright Ankudze
- Department of Chemistry Education, University of Education, P. O. Box 25, Winneba, Ghana.
| | - David Neglo
- Department of Basic Sciences, School of Basic and Biomedical Sciences, University of Health and Allied Sciences, PMB 31, Ho, Ghana
| | - Francis Nsiah
- Department of Chemistry, School of Physical Sciences, University of Cape Coast, Cape Coast, Ghana
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12
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Mondal A, Maity S, Mondal A, Mondal NK. Antibacterial, antibiofilm and larvicidal activity of silver nanoparticles synthesized from spider silk protein. Int J Biol Macromol 2024; 258:128775. [PMID: 38096928 DOI: 10.1016/j.ijbiomac.2023.128775] [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: 08/20/2023] [Revised: 12/09/2023] [Accepted: 12/11/2023] [Indexed: 12/26/2023]
Abstract
Green synthesis of silver nanoparticles has gained attention due to its simple process of synthesis and varied applications. Scientists have tried its synthesis from a wide range of materials, but there is lack of reports that can use the metabolites of insects. Here in this study, we have used the spider silk protein which is considered as complete waste collected from household and field sources and processed to synthesize silver nanoparticles which were subsequently analyzed using different analytical tools like SEM, TEM, FTIR, and XRD. The spider silk protein-mediated synthesized nanoparticle (SP-AgNPs) showed a sharp peak at 420 nm when analyzed spectrophotometrically giving an indication of successful synthesis of AgNP. The synthesized nanoparticle ranges from 10 to 40 nm and were of varied shapes. The synthesized SP-AgNPs showed remarkable antibacterial activity. The MIC values against B. subtilis and E. coli were recorded 45 and 40 μg/mL respectively. Further to know the mechanisms of antibacterial activity protein leakage and conductivity measurement were conducted. The synthesized nanoparticle also showed excellent antibiofilm activity with inhibition percentages of 74 % and 68 % for E. coli and B. subtilis respectively at MIC concentration of the treatment. Finally, the synthesized nanoparticles was applied as mosquito larvicidal agent against Culex sp. and the difference between LC50 and LD90 value was recorded as statistically significant (p < 0.0267) during 24 h of incubation. Therefore, it can be said that spider-web could be an excellent biological reducing and capping agent for heavy metal nanoparticle synthesis that can minimize the ailments caused by mosquitoes and pathogenic microorganisms.
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Affiliation(s)
- Anupam Mondal
- Environmental Chemistry Laboratory, Department of Environmental Science, The University of Burdwan, Burdwan, West Bengal, India
| | - Suprity Maity
- Environmental Chemistry Laboratory, Department of Environmental Science, The University of Burdwan, Burdwan, West Bengal, India
| | - Arghadip Mondal
- Environmental Chemistry Laboratory, Department of Environmental Science, The University of Burdwan, Burdwan, West Bengal, India
| | - Naba Kumar Mondal
- Environmental Chemistry Laboratory, Department of Environmental Science, The University of Burdwan, Burdwan, West Bengal, India.
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13
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Dhir R, Chauhan S, Subham P, Kumar S, Sharma P, Shidiki A, Kumar G. Plant-mediated synthesis of silver nanoparticles: unlocking their pharmacological potential-a comprehensive review. Front Bioeng Biotechnol 2024; 11:1324805. [PMID: 38264582 PMCID: PMC10803431 DOI: 10.3389/fbioe.2023.1324805] [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: 10/20/2023] [Accepted: 12/18/2023] [Indexed: 01/25/2024] Open
Abstract
In recent times, nanoparticles have experienced a significant upsurge in popularity, primarily owing to their minute size and their remarkable ability to modify physical, chemical, and biological properties. This burgeoning interest can be attributed to the expanding array of biomedical applications where nanoparticles find utility. These nanoparticles, typically ranging in size from 10 to 100 nm, exhibit diverse shapes, such as spherical, discoidal, and cylindrical configurations. These variations are not solely influenced by the manufacturing processes but are also intricately linked to interactions with surrounding stabilizing agents and initiators. Nanoparticles can be synthesized through physical or chemical methods, yet the biological approach emerges as the most sustainable and eco-friendly alternative among the three. Among the various nanoparticle types, silver nanoparticles have emerged as the most encountered and widely utilized due to their exceptional properties. What makes the synthesis of silver nanoparticles even more appealing is the application of plant-derived sources as reducing agents. This approach not only proves to be cost-effective but also significantly reduces the synthesis time. Notably, silver nanoparticles produced through plant-mediated processes have garnered considerable attention in recent years due to their notable medicinal capabilities. This comprehensive review primarily delves into the diverse medicinal attributes of silver nanoparticles synthesized using plant-mediated techniques. Encompassing antimicrobial properties, cytotoxicity, wound healing, larvicidal effects, anti-angiogenesis activity, antioxidant potential, and antiplasmodial activity, the paper extensively covers these multifaceted roles. Additionally, an endeavor is made to provide an elucidated summary of the operational mechanisms underlying the pharmacological actions of silver nanoparticles.
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Affiliation(s)
- Rajan Dhir
- Department of Microbiology, School of Bioengineering and Biosciences, Lovely Professional University, Punjab, India
| | - Sakshi Chauhan
- Department of Microbiology, School of Bioengineering and Biosciences, Lovely Professional University, Punjab, India
| | - Praddiuman Subham
- Department of Microbiology, School of Bioengineering and Biosciences, Lovely Professional University, Punjab, India
| | - Saksham Kumar
- Department of Microbiology, School of Bioengineering and Biosciences, Lovely Professional University, Punjab, India
| | - Pratham Sharma
- Department of Microbiology, School of Bioengineering and Biosciences, Lovely Professional University, Punjab, India
| | - Amrullah Shidiki
- Department of Microbiology, National Medical College and Teaching Hospital, Birgunj, Nepal
| | - Gaurav Kumar
- Department of Microbiology, School of Bioengineering and Biosciences, Lovely Professional University, Punjab, India
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AlFaleh FA, Ismael SS, Aguilar-Marcelino L, Silva FEM, Ashraf T, Abbas RZ, Qamar W. Use of nanoparticles, a modern means of drug delivery, against cryptosporidiosis. J Adv Vet Anim Res 2023; 10:704-719. [PMID: 38370897 PMCID: PMC10868694 DOI: 10.5455/javar.2023.j726] [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: 08/20/2023] [Revised: 09/19/2023] [Accepted: 10/20/2023] [Indexed: 02/20/2024] Open
Abstract
Cryptosporidium is a primary cause of waterborne epidemics, despite being previously considered only an opportunistic pathogen. The disease is associated with significant economic losses in humans and animals that are brought on by diarrhea, which frequently causes dehydration. Contact with diseased people or animals, as well as polluted water, is the major cause of infection. Different drugs are used to control the parasites. Nitazoxanide (NTZ), which is an anti-protozoan and anti-viral drug, can be used to control helminths, viruses, and protozoan parasites as a broad-spectrum antibiotic and has been approved by the food and drug authority (FDA). However, the problem is the development of resistance over a period of time in these parasites. Nanoparticles have received significant attention as possible anti-parasitic agents in recent years. By directing medications to specific cellular locations, targeted drug delivery minimizes the side effects of medications. Nanoparticles have demonstrated effectiveness against different Cryptosporidium species. Nanoparticles loaded with NTZ are found to be an effective remedy for C. parvum in young ones and decrease the oocyst count shed in the stools. Additionally, silver nanoparticles have proven to be effective against C. parvum by releasing silver ions that breach the cell wall of the oocyst, causing the escape of intracellular contents and the destruction of sporozoites within the oocyst. Implementing tiny particles for the purification of consuming water from Cryptosporidium is an economical and environmentally sustainable process. However, the use of nanoparticles in medicine requires more research.
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Affiliation(s)
- Faleh A. AlFaleh
- Department of Biology, College of Science in Zulfi, Majmaah University, Majmaah, Saudi Arabia
| | - Shameeran Salman Ismael
- Medical Laboratory Sciences Department, College of Health Sciences, University of Duhok, Duhok, Iraq
| | | | | | - Tayyaba Ashraf
- Department of Parasitology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
| | - Rao Zahid Abbas
- Department of Parasitology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
| | - Warda Qamar
- Department of Parasitology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
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15
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Khaleghian M, Sahrayi H, Hafezi Y, Mirshafeeyan M, Moghaddam ZS, Farasati Far B, Noorbazargan H, Mirzaie A, Ren Q. In silico design and mechanistic study of niosome-encapsulated curcumin against multidrug-resistant Staphylococcus aureus biofilms. Front Microbiol 2023; 14:1277533. [PMID: 38098658 PMCID: PMC10720333 DOI: 10.3389/fmicb.2023.1277533] [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: 08/16/2023] [Accepted: 10/30/2023] [Indexed: 12/17/2023] Open
Abstract
Curcumin, an important natural component of turmeric, has been known for a long time for its antimicrobial properties. This study aimed to investigate the anti-biofilm action of the niosome-encapsulated curcumin and explore the involved anti-biofilm mechanism. In silico investigations of ADME-Tox (absorption, distribution, metabolism, excretion, and toxicity) were first performed to predict the suitability of curcumin for pharmaceutical application. Curcumin showed low toxicity but at the same time, low solubility and low stability, which, in turn, might reduce its antimicrobial activity. To overcome these intrinsic limitations, curcumin was encapsulated using a biocompatible niosome system, and an encapsulation efficiency of 97% was achieved. The synthesized curcumin-containing niosomes had a spherical morphology with an average diameter of 178 nm. The niosomal curcumin was capable of reducing multi-drug resistant (MDR) Staphylococcus aureus biofilm 2-4-fold compared with the free curcumin. The encapsulated curcumin also demonstrated no significant cytotoxicity on the human foreskin fibroblasts. To understand the interaction between curcumin and S. aureus biofilm, several biofilm-related genes were analyzed for their expression. N-acetylglucosaminyl transferase (IcaD), a protein involved in the production of polysaccharide intercellular adhesion and known to play a function in biofilm development, was found to be downregulated by niosomal curcumin and showed high binding affinity (-8.3 kcal/mol) with curcumin based on molecular docking analysis. Our study suggests that the niosome-encapsulated curcumin is a promising approach for the treatment of MDR S. aureus biofilm and can be extended to biofilms caused by other pathogens.
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Affiliation(s)
| | - Hamidreza Sahrayi
- Department of Chemical and Petrochemical Engineering, Sharif University of Technology, Tehran, Iran
| | - Yousef Hafezi
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Mahshad Mirshafeeyan
- Department of Chemical and Petrochemical Engineering, Sharif University of Technology, Tehran, Iran
| | - Zahra Salehi Moghaddam
- Department of Microbial Biotechnology, School of Biology, College of Science, University of Tehran, Tehran, Iran
| | - Bahareh Farasati Far
- Department of Chemistry, Iran University of Science and Technology, Tehran, Iran
| | - Hassan Noorbazargan
- Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amir Mirzaie
- Department of Biology, Parand Branch, Islamic Azad University, Shahr-e Jadid-e Parand, Iran
| | - Qun Ren
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, St. Gallen, Switzerland
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16
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Akkiraju AG, Atcha KR, Sagurthi SR. Cloning, Purification, and Biophysical Characterization of FemB Protein from Methicillin-Resistant Staphylococcus aureus and Inhibitors Screening. Appl Biochem Biotechnol 2023:10.1007/s12010-023-04780-8. [PMID: 37991634 DOI: 10.1007/s12010-023-04780-8] [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] [Accepted: 10/31/2023] [Indexed: 11/23/2023]
Abstract
Methicillin-resistant Staphylococcus aureus has emerged as a leading cause of nosocomial, community acquired infections worldwide. Earlier investigations revealed that mecA-encoded FEM proteins play a role in antimicrobial resistance by developing unique peptidoglycan cross-linking which helps in the formation of protective cell membrane. In view to this, present study focused on expression, purification FEM proteins, and FemB biophysical characterization with the aid of in silico and in vitro approaches. Furthermore, we carried out biological screening assays and identified the novel potent 1,2,3-triazole conjugated 1,3,4-oxadiazole hybrid molecule which could inhibit the MRSA than the proven oxacillin.
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Affiliation(s)
- Anjini Gayatri Akkiraju
- Molecular Medicine Lab, Dept. of Genetics & Biotechnology, Osmania University, Hyderabad, Telangana, 500007, India
| | - Krishnam Raju Atcha
- Department of Chemistry, Nizam College, Osmania University, Hyderabad, Telangana, 500001, India
| | - Someswar Rao Sagurthi
- Molecular Medicine Lab, Dept. of Genetics & Biotechnology, Osmania University, Hyderabad, Telangana, 500007, India.
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17
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Moradi F, Ghaedi A, Fooladfar Z, Bazrgar A. Recent advance on nanoparticles or nanomaterials with anti-multidrug resistant bacteria and anti-bacterial biofilm properties: A systematic review. Heliyon 2023; 9:e22105. [PMID: 38034786 PMCID: PMC10685370 DOI: 10.1016/j.heliyon.2023.e22105] [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: 06/07/2023] [Revised: 09/05/2023] [Accepted: 11/04/2023] [Indexed: 12/02/2023] Open
Abstract
Objective With the wide spread of Multidrug-resistant bacteria (MDR) due to the transfer and acquisition of antibiotic resistance genes and the formation of microbial biofilm, various researchers around the world are looking for a solution to overcome these resistances. One potential strategy and the best candidate to overcome these infections is using an effective nanomaterial with antibacterial properties against them. Methods and analysis: In this study, we overview nanomaterials with anti-MDR bacteria and anti-biofilm properties. Hence, we systematically explored biomedical databases (Web of Sciences, Google Scholar, PubMed, and Scopus) to categorize related studies about nanomaterial with anti-MDR bacteria and anti-biofilm activities from 2007 to December 2022. Results In total, forty-one studies were investigated to find antibacterial and anti-biofilm information about the nanomaterial during 2007-2022. According to the collected documents, nineteen types of nanomaterial showed putative antibacterial effects such as Cu, Ag, Au, Au/Pt, TiO2, Al2O3, ZnO, Se, CuO, Cu/Ni, Cu/Zn, Fe3O4, Au/Fe3O4, Au/Ag, Au/Pt, Graphene O, and CuS. In addition, seven types of them considered as anti-biofilm agents such as Ag, ZnO, Au/Ag, Graphene O, Cu, Fe3O4, and Au/Ag. Conclusion According to the studies, each of nanomaterial has been designed with different methods and their effects against standard strains, clinical strains, MDR strains, and bacterial biofilms have been investigated in-vitro and in-vivo conditions. In addition, nanomaterials have different destructive mechanism on bacterial structures. Various nanoparticles (NP) introduced as the best candidate to designing new drug and medical equipment preventing infectious disease outbreaks by overcome antibiotic resistance and bacterial biofilm.
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Affiliation(s)
- Farhad Moradi
- Department of Bacteriology & Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Arshin Ghaedi
- Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Fooladfar
- Department of Bacteriology & Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Aida Bazrgar
- Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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18
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Esfahani MB, Khodavandi A, Alizadeh F, Bahador N. Antibacterial and Anti-Biofilm Activities of Microbial Synthesized Silver and Magnetic Iron Oxide Nanoparticles Against Pseudomonas aeruginosa. IEEE Trans Nanobioscience 2023; 22:956-966. [PMID: 37071524 DOI: 10.1109/tnb.2023.3268138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
Abstract
Pseudomonas aeruginosa is a human bacterial pathogen causing devastating diseases and equipped with various virulence factors like biofilm formation. Common antibiotic treatment has limited efficacy for the P. aeruginosa present in biofilms because of the increased resistance. In this study, we focused our attention on the antibacterial and anti-biofilm activities of various microbial synthesized silver (nano-Ag) and magnetic iron oxide (nano-Fe3O4) nanoparticles against clinical isolates of P. aeruginosa that displayed ceftazidime resistance. The nano-Ag and nano-Fe3O4 represented great antibacterial properties. Nano-Ag and nano-Fe3O4 exhibited a reduction in the biofilm formation by P. aeruginosa reference strain as determined by crystal violet and XTT assays and light microscopy method. Among all, nano-Ag-2 and 7 owing to inherent attributes and mechanisms of resistance in the bacterial biofilm, exhibited anti-biofilm efficacy against ceftazidime resistance clinical isolate of P. aeruginosa. Moreover, nano-Ag and nano-Fe3O4 changed the relative expression of biofilm-associated genes, PELA and PSLA in a concentration dependent manner by P. aeruginosa reference strain. As revealed by qRT-PCR, the expression levels of biofilm-associated genes were downregulated in P. aeruginosa biofilms treated with nano-Ag, while selected biofilm-associated genes were low expressed under treated with nano-Fe3O4. Results of the study demonstrate the potential of microbial synthesized nano-Ag-2 and 7 to act as anti-biofilm agents against ceftazidime resistance clinical isolate of P. aeruginosa. Molecular targeting of biofilm-associated genes by nano-Ag and nano-Fe3O4 may be candidate for new therapeutics against P. aeruginosa diseases.
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Subramani RM, Lotha R, Shamprasad BR, Sridharan S, Natesan R, Nagarajan S, Sivasubramanian A. BBD optimized antioxidants of Crotalaria candicans and its nanoconjugates, exert potent in vivo anti-biofilm effects against MRSA. Sci Rep 2023; 13:16407. [PMID: 37775527 PMCID: PMC10541877 DOI: 10.1038/s41598-023-43574-0] [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: 05/02/2023] [Accepted: 09/26/2023] [Indexed: 10/01/2023] Open
Abstract
Crotalaria genus is extensively dispersed in tropical and subtropical provinces, and it is found to harbor antioxidant flavonoids. Response surface methodology-based optimization was carried out for the purpose of efficient extraction involving a suitable solvent which can maximize the yield along with higher total phenolic content and total flavonoid content (TFC). Optimization conditions for extraction of C.candicans flavonoids (CCF) based on variables such as solvent, solid-solvent ratio and extraction temperature were evaluated. The optimized conditions were found as Solvent i.e., Aqueous-ethanol (53.42%), Solid-solvent ratio (1:15.83 w/v) and temperature (44.42 °C) and resulted to obtain the TFC as 176.23 mg QRET/g C. candicans extract with the yield 27.42 mg CCF/g (C. candicans dry weight). LC-MS analysis of CCF, revealed the presence of seven major flavonoids. The antioxidant flavonoids were further used to functionalize the zero-valent silver (ZVAgF) and copper (ZVCuF) nanoparticles. The ZVAgF and ZVCuF were investigated using UV-Vis spectrophotometry, FT-IR spectroscopy and X-ray diffractometry to confirm the presence of the zero valent metals and possible functional groups which capped the elemental metal. Further transmission electron microscopy, dynamic light scattering method and zeta-potential studies were done to understand their respective structural and morphological properties. The efficacy of the as-prepared ZVAgF/ZVCuF as antibiofilm agents on Methicillin-resistant Staphylococcus aureus (MRSA) with the mechanism studies have been explored. The MRSA-colony count from the infection zebrafish (in vivo) model, portrayed a reduction of > 1.9 fold for ZVCuF and > twofold for ZVAgF, with no alteration in liver morphology when treated with ZVAgF, implying that the nanoparticles were safe and biocompatible.
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Affiliation(s)
- Ramya M Subramani
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, Tamil Nadu, India
| | - Robert Lotha
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, Tamil Nadu, India
| | - Bhanuvalli R Shamprasad
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, Tamil Nadu, India
| | - Sriram Sridharan
- Centre for Advanced Research in Indian System of Medicine, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, Tamil Nadu, India
| | - Ravichandran Natesan
- Centre for Advanced Research in Indian System of Medicine, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, Tamil Nadu, India
| | - Saisubramanian Nagarajan
- Centre for Research on Infectious Diseases, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, Tamil Nadu, India.
| | - Arvind Sivasubramanian
- Department of Chemistry, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, Tamil Nadu, India.
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Rahman L, Sarwar Y, Khaliq S, Inayatullah, Abbas W, Mobeen A, Ullah A, Hussain SZ, Khan WS, Kyriazi ME, Hussain I, Kanaras AG, Rehman A. Surfactin-Conjugated Silver Nanoparticles as an Antibacterial and Antibiofilm Agent against Pseudomonas aeruginosa. ACS APPLIED MATERIALS & INTERFACES 2023; 15:43321-43331. [PMID: 37668507 DOI: 10.1021/acsami.3c07071] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Abstract
The emergence of antimicrobial resistance is an alarming global health concern and has stimulated the development of novel functional nanomaterials to combat multi-drug-resistant (MDR) bacteria. In this work, we demonstrate for the first time the synthesis and application of surfactin-coated silver nanoparticles as an efficient antibacterial and antibiofilm agent against the drug-resistant bacteria Pseudomonas aeruginosa for safe dermal applications. Our in vivo studies showed no significant superficial dermal irritation, edema, and erythema, while microscopic analysis revealed that surfactin-coated silver nanoparticles caused no pathological alterations at the applied concentrations. These results support the potential use of surfactin-coated silver nanoparticles against drug-resistant bacterial biofilm infections and in skin wound dressing applications.
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Affiliation(s)
- Lutfur Rahman
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 65 Landsdowne Street, Cambridge, Massachusetts 02139, United States
| | - Yasra Sarwar
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Shazia Khaliq
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Inayatullah
- Department of Anatomy, Saidu Medical and Dental College, Saidu Sharif 19130, Mingora, Swat, Pakistan
| | - Wasim Abbas
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Ameena Mobeen
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Ata Ullah
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Syed Zajif Hussain
- Department of Chemistry and Chemical Engineering, SBA School of Science & Engineering (SBASSE), Lahore University of Management Sciences (LUMS), DHA, Lahore Cantt 54792, Pakistan
| | - Waheed S Khan
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
| | - Maria-Eleni Kyriazi
- College of Engineering and Technology, American University of the Middle East, 15453 Egaila, Kuwait
| | - Irshad Hussain
- Department of Chemistry and Chemical Engineering, SBA School of Science & Engineering (SBASSE), Lahore University of Management Sciences (LUMS), DHA, Lahore Cantt 54792, Pakistan
| | - Antonios G Kanaras
- School of Physics and Astronomy, Faculty of Engineering and Physical Sciences, University of Southampton, Southampton SO171BJ, United Kingdom
- Institute for Life Sciences, University of Southampton, Southampton SO171BJ, United Kingdom
| | - Asma Rehman
- National Institute for Biotechnology & Genetic Engineering College Pakistan Institute of Engineering & Applied Sciences (NIBGE-C, PIEAS), Jhang Road, Faisalabad 38000, Pakistan
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El-Bastawisy HS, El-Sayyad GS, Abu Safe FA. Detection of hemolytic Shiga toxin-producing Escherichia coli in fresh vegetables and efficiency of phytogenically synthesized silver nanoparticles by Syzygium aromaticum extract and gamma radiation against isolated pathogens. BMC Microbiol 2023; 23:262. [PMID: 37723460 PMCID: PMC10508014 DOI: 10.1186/s12866-023-02994-8] [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: 05/10/2023] [Accepted: 08/25/2023] [Indexed: 09/20/2023] Open
Abstract
BACKGROUND Shiga toxin-producing E. coli (STEC) is a major cause of foodborne diseases accompanied by several clinical illnesses in humans. This research aimed to isolate, identify, and combat STEC using novel alternative treatments, researchers have lately investigated using plant extract to produce nanoparticles in an environmentally acceptable way. At various gamma-ray doses, gamma irradiation is used to optimize the conditions for the biogenically synthesized silver nanoparticles (Ag NPs) using an aqueous extract of clove as a reducing and stabilizing agent. METHODS On a specific medium, 120 vegetable samples were screened to isolate STEC and molecularly identified using real-time PCR. Moreover, the antibacterial and antibiofilm activities of biogenically synthesized Ag NPs against the isolated STEC were examined. RESULTS Twenty-five out of 120 samples of eight types of fresh vegetables tested positive for E. coli, as confirmed by 16S rRNA, of which three were positive for the presence of Stx-coding genes, and six were partially hemolytic. Seven antibiotic disks were used to determine antibiotic susceptibility; the results indicated that isolate STX2EC had the highest antibiotic resistance. The results demonstrated that Ag NPs were highly effective against the STEC isolates, particularly the isolate with the highest drug resistance, with inhibition zones recorded as 19 mm for STX2EC, 11 mm for STX1EC1, and 10 mm for STX1EC2 at a concentration of 108 µg/mL. MICs of the isolates STX1EC1, and STX1EC2 were 13.5 µg/mL whereas it was detected as 6.75 µg/mL for STX2EC. The percentages of biofilm inhibition for STX1EC2, STX1EC1, and STX2EC, were 78.7%, 76.9%, and 71.19%, respectively. CONCLUSION These findings suggest that the biogenic Ag NPs can be utilized as a new promising antibacterial agent to combat biofouling on surfaces.
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Affiliation(s)
- Hanan S El-Bastawisy
- Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt.
| | - Gharieb S El-Sayyad
- Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt.
| | - Feriala A Abu Safe
- Botany Department, Faculty of Women for Art, Science and Education, Ain Shams University, Cairo, Egypt
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22
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Adnan M, Siddiqui AJ, Ashraf SA, Ashraf MS, Alomrani SO, Alreshidi M, Tepe B, Sachidanandan M, Danciu C, Patel M. Saponin-Derived Silver Nanoparticles from Phoenix dactylifera (Ajwa Dates) Exhibit Broad-Spectrum Bioactivities Combating Bacterial Infections. Antibiotics (Basel) 2023; 12:1415. [PMID: 37760712 PMCID: PMC10525761 DOI: 10.3390/antibiotics12091415] [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: 07/09/2023] [Revised: 09/01/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
The emergence of antibiotic resistance poses a serious threat to humankind, emphasizing the need for alternative antimicrobial agents. This study focuses on investigating the antibacterial, antibiofilm, and anti-quorum-sensing (anti-QS) activities of saponin-derived silver nanoparticles (AgNPs-S) obtained from Ajwa dates (Phoenix dactylifera L.). The design and synthesis of these novel nanoparticles were explored in the context of developing alternative strategies to combat bacterial infections. The Ajwa date saponin extract was used as a reducing and stabilizing agent to synthesize AgNPs-S, which was characterized using various analytical techniques, including UV-Vis spectroscopy, Fourier transform infrared (FTIR) spectroscopy, and transmission electron microscopy (TEM). The biosynthesized AgNPs-S exhibited potent antibacterial activity against both Gram-positive and Gram-negative bacteria due to their capability to disrupt bacterial cell membranes and the leakage of nucleic acid and protein contents. The AgNPs-S effectively inhibited biofilm formation and quorum-sensing (QS) activity by interfering with QS signaling molecules, which play a pivotal role in bacterial virulence and pathogenicity. Furthermore, the AgNPs-S demonstrated significant antioxidant activity against 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radicals and cytotoxicity against small lung cancer cells (A549 cells). Overall, the findings of the present study provide valuable insights into the potential use of these nanoparticles as alternative therapeutic agents for the design and development of novel antibiotics. Further investigations are warranted to elucidate the possible mechanism involved and safety concerns when it is used in vivo, paving the way for future therapeutic applications in combating bacterial infections and overcoming antibiotic resistance.
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Affiliation(s)
- Mohd Adnan
- Department of Biology, College of Science, University of Ha’il, Ha’il 55473, Saudi Arabia; (M.A.)
- Medical and Diagnostic Research Centre, University of Ha’il, Ha’il 55473, Saudi Arabia
| | - Arif Jamal Siddiqui
- Department of Biology, College of Science, University of Ha’il, Ha’il 55473, Saudi Arabia; (M.A.)
- Medical and Diagnostic Research Centre, University of Ha’il, Ha’il 55473, Saudi Arabia
| | - Syed Amir Ashraf
- Medical and Diagnostic Research Centre, University of Ha’il, Ha’il 55473, Saudi Arabia
- Department of Clinical Nutrition, College of Applied Medial Sciences, University of Ha’il, Ha’il 55473, Saudi Arabia
| | - Mohammad Saquib Ashraf
- Department of Medical Laboratory Science, College of Applied Medical Sciences, Riyadh ELM University, Riyadh 12734, Saudi Arabia
| | - Sarah Owdah Alomrani
- Department of Biology, College of Science and Arts, Najran University, Najran 66252, Saudi Arabia
| | - Mousa Alreshidi
- Department of Biology, College of Science, University of Ha’il, Ha’il 55473, Saudi Arabia; (M.A.)
- Medical and Diagnostic Research Centre, University of Ha’il, Ha’il 55473, Saudi Arabia
| | - Bektas Tepe
- Department of Molecular Biology and Genetics, Faculty of Science and Literature, Kilis 7 Aralik University, TR-79000 Kilis, Turkey
| | - Manojkumar Sachidanandan
- Medical and Diagnostic Research Centre, University of Ha’il, Ha’il 55473, Saudi Arabia
- Department of Oral Radiology, College of Dentistry, University of Ha’il, Ha’il 55473, Saudi Arabia
| | - Corina Danciu
- Department of Pharmacognosy, Faculty of Pharmacy, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Square, 300041 Timisoara, Romania
| | - Mitesh Patel
- Research and Development Cell, Department of Biotechnology, Parul Institute of Applied Sciences, Parul University, Vadodara 391760, India
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23
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Verduzco-Chavira K, Vallejo-Cardona AA, González-Garibay AS, Torres-González OR, Sánchez-Hernández IM, Flores-Fernández JM, Padilla-Camberos E. Antibacterial and Antibiofilm Activity of Chemically and Biologically Synthesized Silver Nanoparticles. Antibiotics (Basel) 2023; 12:1084. [PMID: 37508180 PMCID: PMC10376474 DOI: 10.3390/antibiotics12071084] [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: 04/28/2023] [Revised: 06/12/2023] [Accepted: 06/16/2023] [Indexed: 07/30/2023] Open
Abstract
Bacterial biofilms are a significant problem in the food industry, as they are difficult to eradicate and represent a threat to consumer health. Currently, nanoparticles as an alternative to traditional chemical disinfectants have garnered much attention due to their broad-spectrum antibacterial activity and low toxicity. In this study, silver nanoparticles (AgNPs) were synthesized by a biological method using a Jacaranda mimosifolia flower aqueous extract and by a chemical method, and the factors affecting both syntheses were optimized. The nanoparticles were characterized by Ultraviolet-visible (UV-Vis) spectrophotometry, Fourier-transform infrared spectroscopy (FTIR), Dynamic light scattering (DLS), X-ray diffraction (XRD), and Transmission electron microscopy (TEM) with a spherical and uniform shape. The antibacterial and antibiofilm formation activity was carried out on bacterial species of Pseudomonas aeruginosa and Staphylococcus aureus with the capacity to form biofilm. The minimum inhibitory concentration was 117.5 μg/mL for the chemical and 5.3 μg/mL for the biological nanoparticles. Both types of nanoparticles showed antibiofilm activity in the qualitative Congo red test and in the quantitative microplate test. Antibiofilm activity tests on fresh lettuce showed that biological nanoparticles decreased the population of S. aureus and P. aeruginosa by 0.63 and 2.38 logarithms, respectively, while chemical nanoparticles had little microbial reduction. In conclusion, the biologically synthesized nanoparticles showed greater antibiofilm activity. Therefore, these results suggest their potential application in the formulation of sanitizing products for the food and healthcare industries.
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Affiliation(s)
- Karen Verduzco-Chavira
- Department of Technological and Industrial Processes, ITESO, The Jesuit University of Guadalajara, Anillo Perif. Sur Manuel Gómez Morin 3838, Tlaquepaque 45604, Mexico
| | - Alba Adriana Vallejo-Cardona
- Medical and Pharmaceutical Biotechnology Unit, Center for Research and Assistance in Technology and Design of the State of Jalisco, A.C. (CIATEJ), Av. Normalistas No. 800 Col. Colinas de la Normal, Guadalajara 44270, Mexico
| | - Angélica Sofía González-Garibay
- Medical and Pharmaceutical Biotechnology Unit, Center for Research and Assistance in Technology and Design of the State of Jalisco, A.C. (CIATEJ), Av. Normalistas No. 800 Col. Colinas de la Normal, Guadalajara 44270, Mexico
| | - Omar Ricardo Torres-González
- Medical and Pharmaceutical Biotechnology Unit, Center for Research and Assistance in Technology and Design of the State of Jalisco, A.C. (CIATEJ), Av. Normalistas No. 800 Col. Colinas de la Normal, Guadalajara 44270, Mexico
| | - Iván Moisés Sánchez-Hernández
- Medical and Pharmaceutical Biotechnology Unit, Center for Research and Assistance in Technology and Design of the State of Jalisco, A.C. (CIATEJ), Av. Normalistas No. 800 Col. Colinas de la Normal, Guadalajara 44270, Mexico
| | - Jose Miguel Flores-Fernández
- Department of Biochemistry & Centre for Prions and Protein Folding Diseases, University of Alberta, 204 Brain and Aging Research Building, Edmonton, AB T6G 2M8, Canada
- Departamento de Investigación e Innovación, Universidad Tecnológica de Oriental, Oriental C.P., Puebla 75020, Mexico
| | - Eduardo Padilla-Camberos
- Medical and Pharmaceutical Biotechnology Unit, Center for Research and Assistance in Technology and Design of the State of Jalisco, A.C. (CIATEJ), Av. Normalistas No. 800 Col. Colinas de la Normal, Guadalajara 44270, Mexico
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24
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Chin JD, Zhao L, Mayberry TG, Cowan BC, Wakefield MR, Fang Y. Photodynamic Therapy, Probiotics, Acetic Acid, and Essential Oil in the Treatment of Chronic Wounds Infected with Pseudomonas aeruginosa. Pharmaceutics 2023; 15:1721. [PMID: 37376169 PMCID: PMC10301549 DOI: 10.3390/pharmaceutics15061721] [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: 05/11/2023] [Revised: 06/05/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
As a prevalent medical problem that burdens millions of patients across the world, chronic wounds pose a challenge to the healthcare system. These wounds, often existing as a comorbidity, are vulnerable to infections. Consequently, infections hinder the healing process and complicate clinical management and treatment. While antibiotic drugs remain a popular treatment for infected chronic wounds, the recent rise of antibiotic-resistant strains has hastened the need for alternative treatments. Future impacts of chronic wounds are likely to increase with aging populations and growing obesity rates. With the need for more effective novel treatments, promising research into various wound therapies has seen an increased demand. This review summarizes photodynamic therapy, probiotics, acetic acid, and essential oil studies as developing antibiotic-free treatments for chronic wounds infected with Pseudomonas aeruginosa. Clinicians may find this review informative by gaining a better understanding of the state of current research into various antibiotic-free treatments. Furthermore. this review provides clinical significance, as clinicians may seek to implement photodynamic therapy, probiotics, acetic acid, or essential oils into their own practice.
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Affiliation(s)
- Jaeson D. Chin
- Department of Microbiology, Immunology & Pathology, Des Moines University, Des Moines, IA 50312, USA
| | - Lei Zhao
- The Department of Respiratory Medicine, The Second People’s Hospital of Hefei and Hefei Hospital Affiliated to Anhui Medical University, Hefei 230002, China
| | - Trenton G. Mayberry
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO 65212, USA
| | - Braydon C. Cowan
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO 65212, USA
| | - Mark R. Wakefield
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO 65212, USA
- Ellis Fischel Cancer Center, University of Missouri, Columbia, MO 65212, USA
| | - Yujiang Fang
- Department of Microbiology, Immunology & Pathology, Des Moines University, Des Moines, IA 50312, USA
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25
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Kitpipit W, Scholfield CN, Sangkanu S, Nissapatorn V, Pereira MDL, Paul AK, Mitsuwan W. Virulence factors and quorum sensing as targets of new therapeutic options by plant-derived compounds against bacterial infections caused by human and animal pathogens. Vet World 2023; 16:1346-1355. [PMID: 37577190 PMCID: PMC10421536 DOI: 10.14202/vetworld.2023.1346-1355] [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: 03/17/2023] [Accepted: 05/25/2023] [Indexed: 08/15/2023] Open
Abstract
The emergence of antibiotic-resistant bacteria and hospital-acquired bacterial infection has become rampant due to antibiotic overuse. Virulence factors are secondary to bacterial growth and are important in their pathogenesis, and therefore, new antimicrobial therapies to inhibit bacterial virulence factors are becoming important strategies against antibiotic resistance. Here, we focus on anti-virulence factors that act through anti-quorum sensing and the subsequent clearance of bacteria by antimicrobial compounds, especially active herbal extracts. These quorum sensing systems are based on toxins, biofilms, and efflux pumps, and bioactive compounds isolated from medicinal plants can treat bacterial virulence pathologies. Ideally, bacterial virulence factors are secondary growth factors of bacteria. Hence, inhibition of bacterial virulence factors could reduce bacterial pathogenesis. Furthermore, anti-virulence factors from herbal compounds can be developed as novel treatments for bacterial infection. Therefore, this narrative review aims to discuss bacterial virulence factors acting through quorum sensing systems that are preserved as targets for treating bacterial infection by plant-derived compounds.
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Affiliation(s)
- Warangkana Kitpipit
- Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat, 80160, Thailand
- One Health Research Center, Walailak University, Nakhon Si Thammarat, 80160, Thailand
- Food Technology and Innovation Center of Excellence, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - C. Norman Scholfield
- Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat, 80160, Thailand
- One Health Research Center, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - Suthinee Sangkanu
- School of Allied Health Sciences, Southeast Asia Water Team, World Union for Herbal Drug Discovery, and Research Excellence Center for Innovation and Health Products, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - Veeranoot Nissapatorn
- School of Allied Health Sciences, Southeast Asia Water Team, World Union for Herbal Drug Discovery, and Research Excellence Center for Innovation and Health Products, Walailak University, Nakhon Si Thammarat, 80160, Thailand
| | - Maria de Lourdes Pereira
- Department of Medical Sciences, CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Alok K. Paul
- School of Pharmacy and Pharmacology, University of Tasmania, Hobart, TAS 7001, Australia
| | - Watcharapong Mitsuwan
- Akkhraratchakumari Veterinary College, Walailak University, Nakhon Si Thammarat, 80160, Thailand
- One Health Research Center, Walailak University, Nakhon Si Thammarat, 80160, Thailand
- Center of Excellence in Innovation of Essential Oil and Bioactive Compounds, Walailak University, Nakhon Si Thammarat, 80160, Thailand
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26
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Arsene MMJ, Viktorovna PI, Alla M, Mariya M, Davares AKL, Carime BZ, Anatolievna GO, Vyacheslavovna YN, Vladimirovna ZA, Andreevna SL, Aleksandrovna VE, Alekseevich BL, Nikolaïevna BM, Parfait K, Andrey V. Antimicrobial activity of phytofabricated silver nanoparticles using Carica papaya L. against Gram-negative bacteria. Vet World 2023; 16:1301-1311. [PMID: 37577189 PMCID: PMC10421558 DOI: 10.14202/vetworld.2023.1301-1311] [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: 03/11/2023] [Accepted: 05/17/2023] [Indexed: 08/15/2023] Open
Abstract
Background and Aim Antibiotic resistance, especially in Gram-negative bacteria, is a major public health risk affecting all industries requiring the use of antibiotics, including agriculture and animal breeding. This study aimed to use papaya extracts to synthesize silver nanoparticles (AgNPs) and evaluate their antimicrobial activity against various Gram-negative bacteria. Materials and Methods Silver nanoparticles were synthesized from the aqueous extracts of papaya seed, root, and bark, with AgNO3 used as a reducing agent. The phytofabricated AgNPs were analyzed by ultraviolet-visible absorbance, X-ray diffraction (XRD), Fourier-transform infrared spectroscopy, and photon cross-correlation spectroscopy (PCCS). The disc-diffusion method was used to perform antibacterial analysis, and the minimum inhibitory concentrations (MIC) and minimum bactericidal concentrations were determined. We also investigated the antibiofilm activity of AgNPs and attempted to elucidate the potential mechanism of action on Escherichia coli ATCC 25922. Results Phytofabrication of AgNPs was successful with papaya root (PR-AgNPs) and papaya seed (PS-AgNPs), but not with papaya bark. Silver nanoparticles using papaya root and PS-AgNPs were both cubic and showed maximum absorbances of 2.6 and 0.3 AUs at 411.6 and 416.8 nm wavelengths and average hydrodynamic diameters X50 of 59.46 ± 7.03 and 66.57 ± 8.89 nm, respectively. The Ag in both AgNPs was confirmed by X-ray fluorescence by a distinctive peak in the spectrum at the silver Kα line of 22.105 keV. Both AgNPs exhibited broad-spectrum antimicrobial and antibiofilm activity against all Gram-negative bacteria, and PR-AgNPs were slightly better than AgNPs-PS. The MIC ranged from 16 μg/mL-128 μg/mL and 16 μg/mL-64 μg/mL, respectively, for PS-AgNPs and PR-AgNPs. The elucidation of the mechanism of action revealed interference with E. coli ATCC 25922 growth kinetics and inhibition of H+-ATPase proton pumps. Conclusion Papaya seed and root extracts were efficient reducing agents for the biogenic synthesis of AgNPs, with noteworthy antibacterial and antibiofilm activities. Future studies should be conducted to identify the phytochemicals and the mechanism involved in AgNPs synthesis.
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Affiliation(s)
- Mbarga Manga Joseph Arsene
- Department of Microbiology V.S. Kiktenko, Medical Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
- Research Institute of Molecular and Cellular Medicine, Medical Institute RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Podoprigora Irina Viktorovna
- Department of Microbiology V.S. Kiktenko, Medical Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
- Research Institute of Molecular and Cellular Medicine, Medical Institute RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Marukhlenko Alla
- Department of Pharmaceutical and Toxicological Chemistry, Medical Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Morozova Mariya
- Department of Pharmaceutical and Toxicological Chemistry, Medical Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Anyutoulou Kitio Linda Davares
- Department of Microbiology V.S. Kiktenko, Medical Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Bassa Zacharie Carime
- Department of Food Sciences and Nutrition, National School of Agro-industrial Sciences, University of Ngaoundere, Cameroon
| | - Gizinger Oksana Anatolievna
- Department of Microbiology V.S. Kiktenko, Medical Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Yashina Natalya Vyacheslavovna
- Department of Microbiology V.S. Kiktenko, Medical Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Zhigunova Anna Vladimirovna
- Department of Microbiology V.S. Kiktenko, Medical Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Smolyakova Larissa Andreevna
- Department of Microbiology V.S. Kiktenko, Medical Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Vasilieva Elena Aleksandrovna
- Department of Microbiology V.S. Kiktenko, Medical Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Butusov Leonid Alekseevich
- Institute of Innovative Engineering Technologies, RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Borekhova Marina Nikolaïevna
- Department of Microbiology V.S. Kiktenko, Medical Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Kezimana Parfait
- Department of Agrobiotechnology, Agrarian Institute, RUDN University named after Patrice Lumumba, Moscow, Russia
| | - Vodyashkin Andrey
- Institute of Biochemical Technology and Nanotechnology. RUDN University named after Patrice Lumumba, Moscow, Russia
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27
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Al-Momani H, Almasri M, Al Balawi D, Hamed S, Albiss BA, Aldabaibeh N, Ibrahim L, Albalawi H, Al Haj Mahmoud S, Khasawneh AI, Kilani M, Aldhafeeri M, Bani-Hani M, Wilcox M, Pearson J, Ward C. The efficacy of biosynthesized silver nanoparticles against Pseudomonas aeruginosa isolates from cystic fibrosis patients. Sci Rep 2023; 13:8876. [PMID: 37264060 DOI: 10.1038/s41598-023-35919-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 05/25/2023] [Indexed: 06/03/2023] Open
Abstract
The high antibiotic resistance of Pseudomonas aeruginosa (PA) makes it critical to develop alternative antimicrobial agents that are effective and affordable. One of the many applications of silver nanoparticles (Ag NPs) is their use as an antimicrobial agent against bacteria resistant to common antibiotics. The key purpose of this research was to assess the antibacterial and antibiofilm effectiveness of biosynthesized Ag NPs against six biofilm-forming clinically isolated strains of PA and one reference strain (ATCC 27853). Ag NPs were biosynthesized using a seed extract of Peganum harmala as a reducing agent. Ag NPs were characterized by Ultraviolet-visible (UV-Vis) spectroscopy and scanning transmission electron microscopy (STEM). The effect of Ag NPs on biofilm formation and eradication was examined through micro-titer plate assays, and the minimal inhibitory (MIC) and minimum bactericidal (MBC) concentrations determined. In addition, real-time polymerase chain reactions (RT-PCR) were performed to examine the effects of Ag NPs on the expression of seven PA biofilm-encoding genes (LasR, LasI, LssB, rhIR, rhII, pqsA and pqsR). The biosynthesized Ag NPs were spherically-shaped with a mean diameter of 11 nm. The MIC for each PA strain was 15.6 µg/ml, while the MBC was 31.25 µg/ml. All PA strains exposed to Ag NPs at sub-inhibitory concentrations (0.22-7.5 µg/ml) showed significant inhibitory effects on growth and biofilm formation. Biomass and biofilm metabolism were reduced dependent on Ag NP concentration. The expression of the quorum-sensing genes of all strains were significantly reduced at an Ag NP concentration of 7.5 µg/ml. The results demonstrate the extensive in-vitro antibacterial and antibiofilm performance of Ag NPs and their potential in the treatment of PA infection. It is recommended that future studies examine the possible synergy between Ag NPs and antibiotics.
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Affiliation(s)
- Hafez Al-Momani
- Department of Microbiology, Pathology and Forensic Medicine, Faculty of Medicine, Hashemite University Medical School, The Hashemite University, Zarqa, 13133, Jordan.
| | - Muna Almasri
- Faculty of Applied Medical Sciences, The Hashemite University, Zarqa, 13133, Jordan
| | - Dua'A Al Balawi
- Faculty of Applied Medical Sciences, The Hashemite University, Zarqa, 13133, Jordan
| | - Saja Hamed
- Department of Pharmaceutical and Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, The Hashemite University, Zarqa, Jordan
| | - Borhan Aldeen Albiss
- Nanotechnology Institute, Jordan University of Science & Technology, P.O. Box 3030, Irbid, 22110, Jordan
| | - Nour Aldabaibeh
- Supervisor of Microbiology Laboratory, Laboratory Medicine Department, Jordan University Hospital, Amman, Jordan
| | - Lugain Ibrahim
- Faculty of Applied Medical Sciences, The Hashemite University, Zarqa, 13133, Jordan
| | - Hadeel Albalawi
- Faculty of Applied Medical Sciences, The Hashemite University, Zarqa, 13133, Jordan
| | - Sameer Al Haj Mahmoud
- Department of Basic Medical Science, Faculty of Medicine, Al-Balqa' Applied University, AL-Salt, Jordan
| | - Ashraf I Khasawneh
- Department of Microbiology, Pathology and Forensic Medicine, Faculty of Medicine, Hashemite University Medical School, The Hashemite University, Zarqa, 13133, Jordan
| | - Muna Kilani
- Department of Pediatrics, Faculty of Medicine, The Hashemite University, Zarqa, Jordan
| | - Muneef Aldhafeeri
- Biosciences Institute, Medical School, Newcastle University, Newcastle Upon Tyne, NE2 4HH, UK
| | - Muayyad Bani-Hani
- Department of Plant Production and Protection, Faculty of Agriculture, Jerash University, Jerash, Jordan
| | - Matthew Wilcox
- Institutes of Cellular Medicine and Cell & Molecular Biosciences, Newcastle University Medical School, Newcastle University, Newcastle Upon Tyne, NE2 4HH, UK
- Biosciences Institute, Medical School, Newcastle University, Newcastle Upon Tyne, NE2 4HH, UK
| | - Jeffrey Pearson
- Biosciences Institute, Medical School, Newcastle University, Newcastle Upon Tyne, NE2 4HH, UK
| | - Christopher Ward
- Institutes of Cellular Medicine and Cell & Molecular Biosciences, Newcastle University Medical School, Newcastle University, Newcastle Upon Tyne, NE2 4HH, UK
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28
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Kang MG, Khan F, Tabassum N, Cho KJ, Jo DM, Kim YM. Inhibition of Biofilm and Virulence Properties of Pathogenic Bacteria by Silver and Gold Nanoparticles Synthesized from Lactiplantibacillus sp. Strain C1. ACS OMEGA 2023; 8:9873-9888. [PMID: 36969455 PMCID: PMC10035013 DOI: 10.1021/acsomega.2c06789] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
The emergence of antibiotic resistance in microbial pathogens necessitates the development of alternative ways to combat the infections that arise. The current study used nanotechnology as an alternate technique to control virulence characteristics and biofilm development in Pseudomonas aeruginosa and Staphylococcus aureus. Furthermore, based on the acceptance and biocompatibility of the probiotic bacteria, we chose a lactic acid bacteria (LAB) for synthesizing two types of metallic nanoparticles (NPs) in this study. Using molecular techniques, the LAB strain C1 was isolated from Kimchi food samples and identified as Lactiplantibacillus sp. strain C1. The prepared supernatant from strain C1 was used to produce gold nanoparticles (AuNPs) and silver nanoparticles (AgNPs). C1-AuNPs and C1-AgNPs were characterized physiochemically using a variety of instruments. C1-AuNPs and C1-AgNPs had spherical shapes and sizes of 100.54 ± 14.07 nm (AuNPs) and 129.51 ± 12.31 nm (AgNPs), respectively. C1-AuNPs and C1-AgNPs were discovered to have high zeta potentials of -23.29 ± 1.17 and -30.57 ± 0.29 mV, respectively. These nanoparticles have antibacterial properties against several bacterial pathogens. C1-AuNPs and C1-AgNPs significantly inhibited the initial stage biofilm formation and effectively eradicated established mature biofilms of P. aeruginosa and S. aureus. Furthermore, when P. aeruginosa was treated with sub-MIC levels of C1-AuNPs and C1-AgNPs, their different virulence features were significantly reduced. Both NPs greatly inhibited the hemolytic activity of S. aureus. The inhibition of P. aeruginosa and S. aureus biofilms and virulence features by C1-AuNPs and C1-AgNPs can be regarded as viable therapeutic strategies for preventing infections caused by these bacteria.
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Affiliation(s)
- Min-Gyun Kang
- Department
of Food Science and Technology, Pukyong
National University, Busan 48513, Republic of Korea
| | - Fazlurrahman Khan
- 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
| | - Kyung-Jin Cho
- Department
of Food Science and Technology, Pukyong
National University, Busan 48513, Republic of Korea
| | - Du-Min Jo
- 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
| | - 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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29
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Prasetyo WE, Kusumaningsih T, Triadmojo B, Anggraini SD, Marliyana SD, Firdaus M. Investigation of the dual role of acyl phloroglucinols as a new hope for antibacterial and anti-SARS-CoV-2 agents employing integrated in vitro and multi-phase in silico approaches. J Biomol Struct Dyn 2023; 41:15067-15084. [PMID: 36927239 DOI: 10.1080/07391102.2023.2186712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 02/23/2023] [Indexed: 03/18/2023]
Abstract
With the rapid spread of multi-drug-resistant bacteria and more infectious or aggressive variants of SARS-CoV-2, it is critical to develop drugs that can quickly adapt to evolving bacterial and viral mutations. In this study, encouraged by nature, we synthesized a series of phloroglucinol (PG) derivatives, acyl phloroglucinols (ACPLs) 2a-4c by mimicking the structure of the natural antifungal 2,4-diacetylphloroglucinol 3a (2,4-DAPG). According to the quantum chemical calculation, these compounds were expected to be exceptionally favourable for intermolecular interaction with protein receptors. Intriguingly, the in vitro study of Staphylococcus aureus (S. aureus) ATCC 25923 and Escherichia coli (E. coli) ATCC 25922, showed that the four ACPLs 3a-4a had good antibacterial activity and selectivity against gram-positive bacteria, S. aureus. These results were then supported by in silico molecular docking and molecular dynamics simulations (MDs) between these potent compounds and the S. aureus FtsA protein (PDB ID: 3WQU). Furthermore, with the aid of the knowledge base Virus-CKB along with the molecular docking study, it was found that the three ACPLs 4a-4c showed potential inhibitors against SARS-CoV-2 PLpro (PDB ID: 7CMD). Additionally, 100 ns of MDs was carried out in order to assess the stability behaviour of ACPLs at the docked site. Moreover, in silico ADME/T and drug likeness of all studied ACPLs were also predicted. Finally, shape-based screening of FDA-approved drugs was performed using the most prominent synthesized ACPLs as a template, enabling us to include several medications that could be utilized as antibacterial and antiviral drug candidates.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Wahyu Eko Prasetyo
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Surakarta, Indonesia
| | - Triana Kusumaningsih
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Surakarta, Indonesia
| | - Bram Triadmojo
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Surakarta, Indonesia
| | - Septin Dwi Anggraini
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Surakarta, Indonesia
| | - Soerya Dewi Marliyana
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Surakarta, Indonesia
| | - Maulidan Firdaus
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Surakarta, Indonesia
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Alghuthaymi MA, Patil S, Rajkuberan C, Krishnan M, Krishnan U, Abd-Elsalam KA. Polianthes tuberosa-Mediated Silver Nanoparticles from Flower Extract and Assessment of Their Antibacterial and Anticancer Potential: An In Vitro Approach. PLANTS (BASEL, SWITZERLAND) 2023; 12:1261. [PMID: 36986949 PMCID: PMC10054782 DOI: 10.3390/plants12061261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/04/2023] [Accepted: 03/08/2023] [Indexed: 06/19/2023]
Abstract
Plant-mediated metallic nanoparticles have beenreported for a diversified range of applications in biological sciences. In the present study, we propose the Polianthes tuberosa flower as a reducing and stabilizing agent for the synthesis of silver nanoparticles (PTAgNPs). The PTAgNPs were exclusively characterized using UV-Visible spectroscopy, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), X-ray diffraction (XRD), atomic force microscopy, zeta potential, and transmission electron microscopy (TEM) studies. In a biological assay, we investigated the antibacterial and anticancer activity of silver nanoparticles in the A431 cell line. The PTAgNPs demonstrated a dose-dependent activity in E. coli and S. aureus, suggesting the bactericidal nature of AgNPs. The PTAgNPs exhibited dose-dependent toxicity in the A431 cell line, with an IC50 of 54.56 µg/mL arresting cell growth at the S phase, as revealed by flow cytometry analysis. The COMET assay revealed 39.9% and 18.15 severities of DNA damage and tail length in the treated cell line, respectively. Fluorescence staining studies indicate that PTAgNPs cause reactive oxygen species (ROS) and trigger apoptosis. This research demonstrates that synthesized silver nanoparticles have a significant effect on inhibiting the growth of melanoma cells and other forms of skin cancer. The results show that these particles can cause apoptosis or cell death in malignant tumor cells. This suggests that they could be used to treat skin cancers without harming normal tissues.
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Affiliation(s)
- Mousa A. Alghuthaymi
- Biology Department, Science and Humanities College, Shaqra University, Alquwayiyah 11971, Saudi Arabia
| | - Sunita Patil
- Rajiv Memorial Education Society’s College of Pharmacy, Gulbarga 585102, India
| | | | - Muthukumar Krishnan
- Department of Petrochemical Technology, Anna University, Tiruchirappalli 620024, India
| | - Ushani Krishnan
- Karpaga vinayaga College of Engineering, Chengalpattu 603308, India
| | - Kamel A. Abd-Elsalam
- Plant Pathology Research Institute, Agricultural Research Center, Giza 12619, Egypt
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Ranjani S, Hemalatha S. Nanoformulation target virulence genes to break antibiotic resistance in MDR E. coli. APPLIED NANOSCIENCE 2023. [DOI: 10.1007/s13204-023-02782-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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Beyond the Risk of Biofilms: An Up-and-Coming Battleground of Bacterial Life and Potential Antibiofilm Agents. Life (Basel) 2023; 13:life13020503. [PMID: 36836860 PMCID: PMC9959329 DOI: 10.3390/life13020503] [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: 01/03/2023] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 02/15/2023] Open
Abstract
Microbial pathogens and their virulence factors like biofilms are one of the major factors which influence the disease process and its outcomes. Biofilms are a complex microbial network that is produced by bacteria on any devices and/or biotic surfaces to escape harsh environmental conditions and antimicrobial effects. Due to the natural protective nature of biofilms and the associated multidrug resistance issues, researchers evaluated several natural anti-biofilm agents, including bacteriophages and their derivatives, honey, plant extracts, and surfactants for better destruction of biofilm and planktonic cells. This review discusses some of these natural agents that are being put into practice to prevent biofilm formation. In addition, we highlight bacterial biofilm formation and the mechanism of resistance to antibiotics.
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Oves M, Rauf MA, Qari HA. Therapeutic Applications of Biogenic Silver Nanomaterial Synthesized from the Paper Flower of Bougainvillea glabra (Miami, Pink). NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13030615. [PMID: 36770576 PMCID: PMC9920917 DOI: 10.3390/nano13030615] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/30/2023] [Accepted: 01/30/2023] [Indexed: 05/29/2023]
Abstract
In this research, Bougainvillea glabra paper flower extract was used to quickly synthesize biogenic silver nanoparticles (BAgNPs) utilizing green chemistry. Using the flower extract as a biological reducing agent, silver nanoparticles were generated by the conversion of Ag+ cations to Ag0 ions. Data patterns obtained from physical techniques for characterizing BAgNPs, employing UV-visible, scattering electron microscope (SEM), transmission electron microscope (TEM), dynamic light scattering (DLS), X-ray diffraction (XRD), and Fourier-transform infrared spectroscopy (FTIR), suggested that the nanoparticles have a spherical to oval form with size ranging from 10 to 50 nm. Spectroscopy and microscopic analysis were used to learn more about the antibacterial properties of the biologically produced BAgNPs from Bougainvillea glabra. Further, the potential mechanism of action of nanoparticles was investigated by studying their interactions in vitro with several bacterial strains and mammalian cancer cell systems. Finally, we can conclude that BAgNPs can be functionalized to dramatically inhibit bacterial growth and the growth of cancer cells in culture conditions, suggesting that biologically produced nanomaterials will provide new opportunities for a wide range of biomedical applications in the near future.
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Affiliation(s)
- Mohammad Oves
- Centre of Excellence in Environmental Studies, King Abdulaziz University, Jeddah 22252, Saudi Arabia
| | - Mohd Ahmar Rauf
- Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Huda A. Qari
- Biological Science Department, Faculty of Science, King Abdulaziz University, Jeddah 22252, Saudi Arabia
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Valorisation of fruit peel bioactive into green synthesized silver nanoparticles to modify cellulose wrapper for shelf-life extension of packaged bread. Food Res Int 2023; 164:112321. [PMID: 36737915 DOI: 10.1016/j.foodres.2022.112321] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 12/03/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022]
Abstract
Fruit peels are rich source of bioactive compounds such as polyphenols, flavonoids, and antioxidants but are often discarded as waste due to limited pharmaceutical and nutraceutical applications. This study aimed to valorise pomegranate and citrus fruit peel into green synthesised silver nanoparticles (AgNPs) in order to modify cellulose-based wrapping material for prospective food packaging applications and propose an alternate and sustainable approach to replace polyethene based food packaging material. Four different concentrations of AgNO3 (0.5 mM, 1 mM, 2 mM, and 3 mM) were used for green synthesis of AgNPs from fruit peel bioactive, which were characterised followed by phytochemical analysis. Ultraviolet-Visible spectroscopy showed surface plasmon resonance at 420 nm, XRD analysis showed 2θ peak at 27.8°, 32.16°, 38.5°, 44.31°, 46.09°, 54.76°, 57.47°, 64.61° and 77.50° corresponding to (210), (122), (111), (200), (231), (142), (241), (220) and (311) plane of face centred cubic crystal structure of AgNPs. Fourier-transform infrared spectroscopy analysis of AgNPs green synthesised from pomegranate and kinnow peel extract showed a major peak at 3277, 1640 and 1250-1020 1/cm while a small peak at 2786 1/cm was observed in case of pomegranate peel extract which was negligible in AgNPs synthesized from kinnow peel extract. Particle sizes of AgNPs showed no statistically significant variance with p > 0.10 and thus, 2 mM was chosen for further experimentation and modification of cellulose based packaging material as it showed smallest average particle size. Zeta potential was observed to be nearly neutral with a partial negative strength due to presence of various phenolic compounds such as presence of gallic acid which was confirmed by ultrahigh performance liquid chromatography-photodiode array(UHPLC-PDA) detector. Thermal stability analysis of green synthesised AgNPs qualified the sterilisation conditions up to 100 °C. AgNPs green synthesized from both the peel extracts had higher polyphenolic content, antioxidant and radical scavenging activity as compared to peel extracts without treatment (p < 0.05). The cellulose based food grade packaging material was enrobed by green synthesised AgNPs. The characterisation of modified cellulose wrappers showed no significant difference in thickness of modified cellulose wrappers as compared with untreated cellulose wrapper (p > 0.42) while weight and grammage increased significantly in modified cellulose wrapper (p < 0.05). The colour values on CIE scale (L*, a* and b*) showed statistically significant increase in yellow and green colour (p < 0.05) for modified cellulose wrappers as compared to control wrapper. The oxygen permeability coefficient, water vapour permeability coefficient, water absorption capacity and water behaviour characteristics (water content, swelling degree and solubility) showed significant decrease (p < 0.05) for modified cellulose wrapper as compared to control wrapper. A uniform distribution and density of green synthesised AgNPs across cellulose wrapper matrix was observed through scanning electron microscopy (SEM) images with no significant aggregation, confirming successful enrobing and stable immobilisation of nanoparticles from cellulose matrix. A seven-day storage study of bread wrapped in modified and control cellulose wrappers showed delayed occurrence of microbial, yeast and mould count in bread packaged in modified cellulose wrappers and thus, resulting in shelf life extension of bread. The results are encouraging for the potential applications of modified cellulose wrappers to replace polyethene based food packaging.
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More PR, Pandit S, Filippis AD, Franci G, Mijakovic I, Galdiero M. Silver Nanoparticles: Bactericidal and Mechanistic Approach against Drug Resistant Pathogens. Microorganisms 2023; 11:microorganisms11020369. [PMID: 36838334 PMCID: PMC9961011 DOI: 10.3390/microorganisms11020369] [Citation(s) in RCA: 44] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/11/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
This review highlights the different modes of synthesizing silver nanoparticles (AgNPs) from their elemental state to particle format and their mechanism of action against multidrug-resistant and biofilm-forming bacterial pathogens. Various studies have demonstrated that the AgNPs cause oxidative stress, protein dysfunction, membrane disruption, and DNA damage in bacteria, ultimately leading to bacterial death. AgNPs have also been found to alter the adhesion of bacterial cells to prevent biofilm formation. The benefits of using AgNPs in medicine are, to some extent, counter-weighted by their toxic effect on humans and the environment. In this review, we have compiled recent studies demonstrating the antibacterial activity of AgNPs, and we are discussing the known mechanisms of action of AgNPs against bacterial pathogens. Ongoing clinical trials involving AgNPs are briefly presented. A particular focus is placed on the mechanism of interaction of AgNPs with bacterial biofilms, which are a significant pathogenicity determinant. A brief overview of the use of AgNPs in other medical applications (e.g., diagnostics, promotion of wound healing) and the non-medical sectors is presented. Finally, current drawbacks and limitations of AgNPs use in medicine are discussed, and perspectives for the improved future use of functionalized AgNPs in medical applications are presented.
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Affiliation(s)
- Pragati Rajendra More
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “L. Vanvitelli”, Via De Crecchio, 7, 80138 Naples, Italy
- Systems and Synthetic Biology Division, Department of Biology and Biological Engineering, Chalmers University of Technology, 41296 Gothenburg, Sweden
| | - Santosh Pandit
- Systems and Synthetic Biology Division, Department of Biology and Biological Engineering, Chalmers University of Technology, 41296 Gothenburg, Sweden
| | - Anna De Filippis
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “L. Vanvitelli”, Via De Crecchio, 7, 80138 Naples, Italy
| | - Gianluigi Franci
- Department of Medicine, Surgery and Dentistry, Scuola Medica Salernitana, University of Salerno, 84081 Baronissi, Italy
| | - Ivan Mijakovic
- Systems and Synthetic Biology Division, Department of Biology and Biological Engineering, Chalmers University of Technology, 41296 Gothenburg, Sweden
- Novo Nordisk Foundation Center for Bio Sustainability, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
- Correspondence: (I.M.); (M.G.)
| | - Massimiliano Galdiero
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “L. Vanvitelli”, Via De Crecchio, 7, 80138 Naples, Italy
- Correspondence: (I.M.); (M.G.)
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Antimicrobial and Biofilm Formation Inhibition Properties of Biogenic Silver Nanoparticles Synthesised Using Tuber Extract of Cyperus esculentus. BIONANOSCIENCE 2023. [DOI: 10.1007/s12668-023-01061-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Tryptone-stabilized silver nanoparticles' potential to mitigate planktonic and biofilm growth forms of Serratia marcescens. J Biol Inorg Chem 2023; 28:139-152. [PMID: 36484825 PMCID: PMC9734995 DOI: 10.1007/s00775-022-01977-w] [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: 06/14/2022] [Accepted: 10/19/2022] [Indexed: 12/14/2022]
Abstract
Several microbial pathogens are capable of forming biofilms. These microbial communities pose a serious challenge to the healthcare sector as they are quite difficult to combat. Given the challenges associated with the antibiotic-based management of biofilms, the research focus has now been shifted towards finding alternate treatment strategies that can replace or complement the antibacterial properties of antibiotics. The field of nanotechnology offers several novel and revolutionary approaches to eradicate biofilm-forming microbes. In this study, we evaluated the antibacterial and antibiofilm efficacy of in-house synthesized, tryptone-stabilized silver nanoparticles (Ts-AgNPs) against the superbug Serratia marcescens. The nanoparticles were of spherical morphology with an average hydrodynamic diameter of 170 nm and considerable colloidal stability with a Zeta potential of - 24 ± 6.15 mV. Ts-AgNPs showed strong antibacterial activities with a minimum inhibitory concentration (MIC50) of 2.5 µg/mL and minimum bactericidal concentration (MBC) of 12.5 µg/mL against S. marcescens. The nanoparticles altered the cell surface hydrophobicity and inhibited biofilm formation. The Ts-AgNPs were also effective in distorting pre-existing biofilms by degrading the extracellular DNA (eDNA) component of the extracellular polymeric substance (EPS) layer. Furthermore, reduction in quorum-sensing (QS)-induced virulence factors produced by S. marcescens indicated that Ts-AgNPs attenuated the QS pathway. Together, these findings suggest that Ts-AgNPs are an important anti-planktonic and antibiofilm agent that can be explored for both the prevention and treatment of infections caused by S. marcescens.
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Ankudze B, Neglo D. Green synthesis of silver nanoparticles from peel extract of Chrysophyllum albidum fruit and their antimicrobial synergistic potentials and biofilm inhibition properties. Biometals 2022:10.1007/s10534-022-00483-5. [PMID: 36586061 DOI: 10.1007/s10534-022-00483-5] [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: 05/05/2022] [Accepted: 12/21/2022] [Indexed: 01/01/2023]
Abstract
Current methods for green synthesis of metal nanoparticles often require continuous harvesting of fresh bio-materials for every synthesis cycle. Practices and procedures that economize bio-materials need to be employed if green synthesis could become a sustainable and eco-friendly method for synthesizing metal nanoparticles. This study explores Chrysophyllum albidum peels (mostly regarded as waste) to prepare silver nanoparticles (Alb-AgNPs). The technique employed in the synthesis allows repeated use of the peels, thus, reducing the heavy dependence on bio-materials. The optical and structural properties of the Alb-AgNPs were studied with Scanning electron microscope, Fourier transform infrared spectrometer, UV-Vis spectrophotometer and powder X-ray diffractometer. The antimicrobial properties of the Alb-AgNPs were studied with selected microorganisms namely; S. aureus, E. coli, K. pneumoniae, B. subtilis, S. mutans, P. aeruginosa, S. typhi, and Candida albicans. High inhibitory activity against the microorganisms were exhibited with MICs ranging from 15.62 to 1000 µg/mL. Again, the Alb-AgNPs showed the ability to enhance the efficacy of standard antimicrobial agents. The results of the combined interaction with standard antibacterial and antifungal agents ranged from synergistic to antagonistic effects against the tested microorganisms. In addition, the Alb-AgNPs could serve as a biofilm inhibitor with the highest percent inhibition of about 92% against methicillin-resistant Staphylococcus aureus. The results from this study thus provide access to the simple, sustainable, economic and eco-friendly synthesis of silver nanoparticles with efficient antimicrobial properties as drug candidates as a means of overcoming the prevailing antibiotic resistance menaces.
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Affiliation(s)
- Bright Ankudze
- Department of Chemistry Education, University of Education, P. O. Box 25, Winneba, Ghana.
| | - David Neglo
- Department of Basic Sciences, School of Basic and Biomedical Sciences, University of Health, PMB 31, Ho, Ghana
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Nastulyavichus A, Khaertdinova L, Tolordava E, Yushina Y, Ionin A, Semenova A, Kudryashov S. Additive Nanosecond Laser-Induced Forward Transfer of High Antibacterial Metal Nanoparticle Dose onto Foodborne Bacterial Biofilms. MICROMACHINES 2022; 13:2170. [PMID: 36557469 PMCID: PMC9788456 DOI: 10.3390/mi13122170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/04/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
Additive laser-induced forward transfer (LIFT) of metal bactericidal nanoparticles from a polymer substrate directly onto food bacterial biofilms has demonstrated its unprecedented efficiency in combating pathogenic microorganisms. Here, a comprehensive study of laser fluence, metal (gold, silver and copper) film thickness, and the transfer distance effects on the antibacterial activity regarding biofilms of Gram-negative and Gram-positive food bacteria (Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, Listeria monocytogenes, Salmonella spp.) indicated the optimal operation regimes of the versatile modality. LIFT-induced nanoparticle penetration into a biofilm was studied by energy-dispersion X-ray spectroscopy, which demonstrated that nanoparticles remained predominantly on the surface of the biofilm.
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Affiliation(s)
| | | | - Eteri Tolordava
- Lebedev Physical Institute, 119991 Moscow, Russia
- N.F. Gamaleya Federal Research Center of Epidemiology and Microbiology, 123098 Moscow, Russia
| | - Yulia Yushina
- Federal State Budgetary Scientific Institution “Federal Scientific Center for Food Systems named after V.M. Gorbatov” Russian Academy of Sciences, 109316 Moscow, Russia
| | - Andrey Ionin
- Lebedev Physical Institute, 119991 Moscow, Russia
| | - Anastasia Semenova
- Federal State Budgetary Scientific Institution “Federal Scientific Center for Food Systems named after V.M. Gorbatov” Russian Academy of Sciences, 109316 Moscow, Russia
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Hasan KF, Xiaoyi L, Shaoqin Z, Horváth PG, Bak M, Bejó L, Sipos G, Alpár T. Functional silver nanoparticles synthesis from sustainable point of view: 2000 to 2023 ‒ A review on game changing materials. Heliyon 2022; 8:e12322. [PMID: 36590481 PMCID: PMC9800342 DOI: 10.1016/j.heliyon.2022.e12322] [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: 08/26/2022] [Revised: 11/13/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022] Open
Abstract
The green and facile synthesis of metallic silver nanoparticles (AgNPs) is getting tremendous attention for exploring superior applications because of their small dimensions and shape. AgNPs are already proven materials for superior coloration, biocidal, thermal, UV-protection, and mechanical performance. Originally, some conventional chemical-based reducing agents were used to synthesize AgNPs, but these posed potential risks, especially for enhanced toxicity. This became a driving force to innovate plant-based sustainable and green metallic nanoparticles (NPs). Moreover, the synthesized NPs using plant-based derivatives could be tuned and regulated to achieve the required shape and size of the AgNPs. AgNPs synthesized from naturally derived materials are safe, economical, eco-friendly, facile, and convenient, which is also motivating researchers to find greener routes and viable options, utilizing various parts of plants like flowers, stems, heartwood, leaves and carbohydrates like chitosan to meet the demands. This article intends to provide a comprehensive review of all aspects of AgNP materials, including green synthesis methodology and mechanism, incorporation of advanced technologies, morphological and elemental study, functional properties (coloration, UV-protection, biocidal, thermal, and mechanical properties), marketing value, future prospects and application, especially for the last 20 years or more. The article also includes a SWOT (Strengths, weaknesses, opportunities, and threats) analysis regarding the use of AgNPs. This report would facilitate the industries and consumers associated with AgNP synthesis and application through fulfilling the demand for sustainable, feasible, and low-cost product manufacturing protocols and their future prospects.
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Affiliation(s)
- K.M. Faridul Hasan
- Fiber and Nanotechnology Program, University of Sopron, 9400, Sopron, Hungary
- Faculty of Wood Engineering and Creative Industry, University of Sopron, 9400, Sopron, Hungary
| | - Liu Xiaoyi
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education; Department of Nutrition and Food Hygiene, School of Public Health, Guizhou Medical University, 550025, Guizhou, PR China
| | - Zhou Shaoqin
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education; Department of Nutrition and Food Hygiene, School of Public Health, Guizhou Medical University, 550025, Guizhou, PR China
- Center of Expertise in Mycology, Radboud University Medical Center/Canisius Wilhelmina Hospital, 6525 GA Nijmegen, The Netherlands
| | - Péter György Horváth
- Faculty of Wood Engineering and Creative Industry, University of Sopron, 9400, Sopron, Hungary
| | - Miklós Bak
- Faculty of Wood Engineering and Creative Industry, University of Sopron, 9400, Sopron, Hungary
| | - László Bejó
- Faculty of Wood Engineering and Creative Industry, University of Sopron, 9400, Sopron, Hungary
| | - György Sipos
- Functional Genomics and Bioinformatics Group, Faculty of Forestry, University of Sopron, 9400, Sopron, Hungary
| | - Tibor Alpár
- Fiber and Nanotechnology Program, University of Sopron, 9400, Sopron, Hungary
- Faculty of Wood Engineering and Creative Industry, University of Sopron, 9400, Sopron, Hungary
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Deen GR, Hannan FA, Henari F, Akhtar S. Effects of Different Parts of the Okra Plant ( Abelmoschus esculentus) on the Phytosynthesis of Silver Nanoparticles: Evaluation of Synthesis Conditions, Nonlinear Optical and Antibacterial Properties. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:4174. [PMID: 36500797 PMCID: PMC9738003 DOI: 10.3390/nano12234174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 11/20/2022] [Accepted: 11/21/2022] [Indexed: 06/17/2023]
Abstract
In this work, stable and spherical silver nanoparticles (AgNPs) were synthesized in situ from silver salt (silver nitrate) using the aqueous extract of the okra plant (Abelmoschus esculentus) at room temperature and ambient pH conditions. The influences of different parts of the plant (such as the leaves, stems, and pods) on the chemical-reducing effectiveness of silver nitrate to silver nanoparticles were investigated. The aqueous extract of the leaves was found to be more effective in the chemical reduction of silver nanoparticles and in stabilizing them at the same time. The silver nanoparticles produced were stable and did not precipitate even after storage for 1 month. The extract of the stem was less effective in the reduction capacity followed by the extract of the pods. The results indicate that the different amounts of phytochemicals present in the leaves, stems, and pods of the okra plant are responsible for the chemical reduction and stabilizing effect. The silver nanoparticles were characterized by UV-Vis spectroscopy, Fourier-transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), and energy-dispersive X-ray spectroscopy (EDX). The surface plasmon resonance (SPR) peak at 460 nm confirmed the formation of silver nanoparticles. The nanoparticles were spherical with an average size of 16 nm and polycrystalline with face-centered cubic (fcc) structures. The z-scan technique was used to study the nonlinear refraction and absorption coefficients of AgNPs at wavelengths of 488 and 514 nm under C.W. mode excitation. The nonlinear refraction index and nonlinear absorption coefficients were calculated in the theoretical equations in the experimental data. The antibacterial properties of the nanoparticles were evaluated against Gram-positive and Gram-negative bacteria.
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Affiliation(s)
- G. Roshan Deen
- Materials for Medicine Research Group, School of Medicine, The Royal College of Surgeons in Ireland (RCSI), Medical University of Bahrain, Busaiteen 228, Bahrain
| | - Fatima Al Hannan
- Materials for Medicine Research Group, School of Medicine, The Royal College of Surgeons in Ireland (RCSI), Medical University of Bahrain, Busaiteen 228, Bahrain
| | - Fryad Henari
- Materials for Medicine Research Group, School of Medicine, The Royal College of Surgeons in Ireland (RCSI), Medical University of Bahrain, Busaiteen 228, Bahrain
| | - Sultan Akhtar
- Department of Biophysics, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia
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Tawre MS, Shiledar A, Satpute SK, Ahire K, Ghosh S, Pardesi K. Synergistic and antibiofilm potential of Curcuma aromatica derived silver nanoparticles in combination with antibiotics against multidrug-resistant pathogens. Front Chem 2022; 10:1029056. [PMID: 36438875 PMCID: PMC9682076 DOI: 10.3389/fchem.2022.1029056] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 10/14/2022] [Indexed: 06/12/2024] Open
Abstract
Hospital acquired infections caused due to ESKAPE pathogens pose a challenge for treatment due to their growing antimicrobial resistance. Curcuma aromatica (CA) is traditionally known for its antibacterial, wound healing and anti-inflammatory properties. The present study highlights the biogenic synthesis of silver nanoparticles (CAAgNPs) capped and stabilized by the compounds from CA rhizome extract, also further demonstrating their antibacterial, antibiofilm and synergistic effects against multidrug-resistant (MDR) pathogens. CAAgNPs were synthesized using aqueous rhizome extract of CA (5 mg/ml) and AgNO3 (0.8 mM) incubated at 60°C up to 144 h. UV-vis spectroscopy, field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), energy dispersive spectroscopy (EDS) and X-ray diffraction (XRD) revealed CAAgNPs with characteristic peak at 430 nm, 13 ± 5 nm size of spherical shape, showing presence of silver and crystalline nature, respectively. Dynamic light scattering (DLS) and zeta potential confirmed their monodispersed nature with average diameter of 77.88 ± 48.60 nm and stability. Fourier transform infrared spectroscopic (FTIR) analysis demonstrated the presence of phenolic -OH and carbonyl groups possibly involved in the reduction and stabilization of CAAgNPs. The minimum inhibitory concentrations (MICs), minimum bactericidal concentrations (MBCs) and minimum biofilm inhibitory concentrations (MBICs) of CAAgNPs against Pseudomonas aeruginosa, NCIM 5029 and PAW1, and, Staphylococcus aureus, NCIM 5021 and S8 were in range from 8 to 128 μg/ml. Almost 50% disruption of pre-formed biofilms at concentrations 8-1,024 μg/ml was observed. Fluorescence microscopy and FESEM analysis confirmed cell death and disruption of pre-formed biofilms of P. aeruginosa PAW1 and S. aureus S8. Checkerboard assay demonstrated the synergistic effect of CAAgNPs (0.125-4 μg/ml) in combination with various antibiotics (0.063-1,024 μg/ml) against planktonic and biofilm forms of P. aeruginosa PAW1. The study confirms the antibacterial and antibiofilm activity of CAAgNPs alone and in combination with antibiotics against MDR pathogens, thus, reducing the dose as well as toxicity of both. CAAgNPs have the potential to be used in wound dressings and ointments, and to improve the performances of medical devices and surgical implants. In vivo toxicity of CAAgNPs however needs to be tested further using mice models.
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Affiliation(s)
- Madhumita S. Tawre
- Department of Microbiology, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Aishwarya Shiledar
- Department of Microbiology, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Surekha K. Satpute
- Department of Microbiology, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Kedar Ahire
- Department of Zoology, Savitribai Phule Pune University, Pune, Maharashtra, India
| | - Sougata Ghosh
- Department of Microbiology, School of Science, RK University, Rajkot, Gujarat, India
| | - Karishma Pardesi
- Department of Microbiology, Savitribai Phule Pune University, Pune, Maharashtra, India
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Kumari M, Sarkar B, Mukherjee K. Nanoscale calcium oxide and its biomedical applications: A comprehensive review. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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44
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Antimicrobial potential of a ponericin-like peptide isolated from Bombyx mori L. hemolymph in response to Pseudomonas aeruginosa infection. Sci Rep 2022; 12:15493. [PMID: 36109567 PMCID: PMC9477818 DOI: 10.1038/s41598-022-19450-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 08/29/2022] [Indexed: 12/29/2022] Open
Abstract
The main effectors in the innate immune system of Bombyx mori L. are antimicrobial peptides (AMPs). Here, we infected B. mori with varied inoculum sizes of Pseudomonas aeruginosa ATCC 25668 cells to investigate changes in morpho-anatomical responses, physiological processes and AMP production. Ultraviolet-visible spectra revealed a sharp change in λmax from 278 to 285 nm (bathochromic shift) in the hemolymph of infected B. mori incubated for 24 h. Further, Fourier Transform InfraRed studies on the hemolymph extracted from the infected B. mori showed a peak at 1550 cm-1, indicating the presence of α-helical peptides. The peptide fraction was obtained through methanol, acetic acid and water mixture (90:1:9) extraction, followed by peptide purification using Reverse Phase High Performance Liquid Chromatography. The fraction exhibiting antibacterial properties was collected and characterized by Matrix-Assisted Laser Desorption/Ionization-Time of Flight. A linear α-helical peptide with flexible termini (LLKELWTKMKGAGKAVLGKIKGLL) was found, corresponding to a previously described peptide from ant venom and here denominated as Bm-ponericin-L1. The antibacterial activity of Bm-ponericin-L1 was determined against ESKAPE pathogens. Scanning electron microscopy confirmed the membrane disruption potential of Bm-ponericin-L1. Moreover, this peptide also showed promising antibiofilm activity. Finally, cell viability and hemolytic assays revealed that Bm-ponericin-L1 is non-toxic toward primary fibroblasts cell lines and red blood cells, respectively. This study opens up new perspectives toward an alternative approach to overcoming multiple-antibiotic-resistance by means of AMPs through invertebrates' infection with human pathogenic bacteria.
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Green synthesis of silver nanoparticles using medicinal plants: Characterization and application. JOURNAL OF RADIATION RESEARCH AND APPLIED SCIENCES 2022. [DOI: 10.1016/j.jrras.2022.06.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Quorum Quenching Potential of Biogenic Silver Nanoparticles against Chromobacterium violaceum 4212. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2022. [DOI: 10.22207/jpam.16.3.77] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The Chromobacterium violaceum is a gram-negative facultative anaerobic bacterium that is known to cause human infections in lungs, liver, brain, spleen lymph nodes and urinary tract. It has Acyl Homoserine Lactone (AHL) regulated virulence features like violacein pigment production, swarming motility, biofilm formation and haemolysis. Bacterial pathogens form biofilms in natural as well as medical implants due to a complex signalling – “Quorum Sensing” (QS). QS builds an interaction among the cells, which increases the proliferation and mechanisms necessary for invasion into the host. Instead of using only bactericidal agents for infection control, suppression of QS by Quorum Quenching agents (QQ) can overcome limitations of currently used antimicrobial substances. In the present study biogenic silver nanoparticles (BSNPs) synthesized from selected five plant extracts were screened against Chromobacterium violaceum MCC 4212 for QQ potential. Biofilm inhibition of 91.8% and dispersal of 81.33% was found to be exhibited by BSNPsmade from extracts of Garcinia and Trachyspermum. Swarming nature was inhibited by 66% while there was complete inhibition of haemolysis by BSNPs. Therefore, the BSNPs synthesized were found potential to control the pathogenicity of C. violaceum 4212 as an antibiofilm agent.
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Bold BE, Urnukhsaikhan E, Mishig-Ochir T. Biosynthesis of silver nanoparticles with antibacterial, antioxidant, anti-inflammatory properties and their burn wound healing efficacy. Front Chem 2022; 10:972534. [PMID: 36072703 PMCID: PMC9441807 DOI: 10.3389/fchem.2022.972534] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 07/28/2022] [Indexed: 11/30/2022] Open
Abstract
The current study aims to develop a novel burn wound ointment consisting of sheep’s tail ointment loaded with AgNP. The AgNP in the ointment serves as an antibacterial, antioxidant and anti-inflammatory agent. The AgNP was developed via the biological method with the assistance of the medicinal plant Rhodiola rosea. The characterization of AgNP was assessed using UV-Vis spectroscopy, FTIR, Zeta Potential, XRD, PCCS, SEM, and EDX techniques. The formation of AgNP was confirmed by UV-Vis spectrum at the absorbance of ∼430 nm, and the biomolecules responsible for reducing and capping the AgNP were characterized by FTIR analysis. The stability of AgNP was determined with Zeta potential, which revealed a highly stable colloidal solution with a surface charge of −68.38 ± 3.4 mV. The synthesized AgNP had a face-centered cubic structure with a crystallite size of 23 nm and average grain size of 67.5 nm. The SEM image showed a fairly monodisperse 20 nm-sized spherical-shaped AgNP. The synthesized AgNP contained high purity of the silver, and a low concentration of AgNP inhibited both Gram-positive and Gram-negative bacteria. Moreover, the scavenging activity of AgNP was investigated using DPPH and H2O2 scavenging assay, and the results revealed a dose-dependent antioxidant activity with the highest activity at a concentration of 450 μg/ml. Finally, the burn wound healing effect was evaluated by applying the AgNP-loaded ointment to the wound site of BALB/c mice. The in-vivo studies confirmed that AgNP-loaded ointment reduced the wound size, decreased the epidermis layer, and lowered mast cell migration compared to untreated burn wounds. And the synthesized AgNP regulated both pro-inflammatory and anti-inflammatory gene expression, thereby promoting burn wound closure on BALB/c mice. The developed AgNP-loaded ointment has the potential to be applied in the biomedical field.
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Affiliation(s)
- Bum-Erdene Bold
- Laboratory of Molecular and Cellular Biophysics, Department of Biology, National University of Mongolia, Ulaanbaatar, Mongolia
- Graduate School of National University of Mongolia, Ulaanbaatar, Mongolia
| | - Enerelt Urnukhsaikhan
- Laboratory of Molecular and Cellular Biophysics, Department of Biology, National University of Mongolia, Ulaanbaatar, Mongolia
- Graduate School of National University of Mongolia, Ulaanbaatar, Mongolia
- *Correspondence: Enerelt Urnukhsaikhan,
| | - Tsogbadrakh Mishig-Ochir
- Laboratory of Molecular and Cellular Biophysics, Department of Biology, National University of Mongolia, Ulaanbaatar, Mongolia
- Graduate School of National University of Mongolia, Ulaanbaatar, Mongolia
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Meesaragandla B, Hayet S, Fine T, Janke U, Chai L, Delcea M. Inhibitory Effect of Epigallocatechin Gallate-Silver Nanoparticles and Their Lysozyme Bioconjugates on Biofilm Formation and Cytotoxicity. ACS APPLIED BIO MATERIALS 2022; 5:4213-4221. [PMID: 35977081 PMCID: PMC9490750 DOI: 10.1021/acsabm.2c00409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 08/05/2022] [Indexed: 11/30/2022]
Abstract
Biofilms are multicellular communities of microbial cells that grow on natural and synthetic surfaces. They have become the major cause for hospital-acquired infections because once they form, they are very difficult to eradicate. Nanotechnology offers means to fight biofilm-associated infections. Here, we report on the synthesis of silver nanoparticles (AgNPs) with the antibacterial ligand epigallocatechin gallate (EGCG) and the formation of a lysozyme protein corona on AgNPs, as shown by UV-vis, dynamic light scattering, and circular dichroism analyses. We further tested the activity of EGCG-AgNPs and their lysozyme bioconjugates on the viability of Bacillus subtilis cells and biofilm formation. Our results showed that, although EGCG-AgNPs presented no antibacterial activity on planktonic B. subtilis cells, they inhibited B. subtilis biofilm formation at concentrations larger than 40 nM, and EGCG-AgNP-lysozyme bioconjugates inhibited biofilms at concentrations above 80 nM. Cytotoxicity assays performed with human cells showed a reverse trend, where EGCG-AgNPs barely affected human cell viability while EGCG-AgNP-lysozyme bioconjugates severely hampered viability. Our results therefore demonstrate that EGCG-AgNPs may be used as noncytotoxic antibiofilm agents.
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Affiliation(s)
- Brahmaiah Meesaragandla
- Institute
of Biochemistry, University of Greifswald, Felix-Hausdorff-Straße 4, 17489 Greifswald, Germany
- ZIK
HIKE—Zentrum für Innovationskompetenz “Humorale
Immunreaktionen bei kardiovaskulären Erkrankungen”, Fleischmannstraße 42, 17489 Greifswald, Germany
| | - Shahar Hayet
- Institute
of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, 91904 Jerusalem, Israel
- The
Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Edmond J. Safra Campus, 91904 Jerusalem, Israel
| | - Tamir Fine
- Institute
of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, 91904 Jerusalem, Israel
- The
Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Edmond J. Safra Campus, 91904 Jerusalem, Israel
| | - Una Janke
- Institute
of Biochemistry, University of Greifswald, Felix-Hausdorff-Straße 4, 17489 Greifswald, Germany
- ZIK
HIKE—Zentrum für Innovationskompetenz “Humorale
Immunreaktionen bei kardiovaskulären Erkrankungen”, Fleischmannstraße 42, 17489 Greifswald, Germany
| | - Liraz Chai
- Institute
of Chemistry, The Hebrew University of Jerusalem, Edmond J. Safra Campus, 91904 Jerusalem, Israel
- The
Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Edmond J. Safra Campus, 91904 Jerusalem, Israel
| | - Mihaela Delcea
- Institute
of Biochemistry, University of Greifswald, Felix-Hausdorff-Straße 4, 17489 Greifswald, Germany
- ZIK
HIKE—Zentrum für Innovationskompetenz “Humorale
Immunreaktionen bei kardiovaskulären Erkrankungen”, Fleischmannstraße 42, 17489 Greifswald, Germany
- DZHK
(Deutsches Zentrum für Herz-Kreislauf-Forschung), Partner Site
Greifswald, 17489 Greifswald, Germany
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Azhar S, Rana NF, Kashif AS, Tanweer T, Shafique I, Menaa F. DEAE-Dextran Coated AgNPs: A Highly Blendable Nanofiller Enhances Compressive Strength of Dental Resin Composites. Polymers (Basel) 2022; 14:polym14153143. [PMID: 35956658 PMCID: PMC9371126 DOI: 10.3390/polym14153143] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/08/2022] [Accepted: 07/14/2022] [Indexed: 02/05/2023] Open
Abstract
Micro-crack formation and resultant bacterial infiltration are major causes of secondary caries formation in dental resin-based composite restorations. Improving dental resin composites’ mechanical and biological properties using highly bendable nanoparticles (NPs) can resolve this issue. This study aims to develop novel Diethylaminoethyl (DEAE)-Dextran silver nanoparticles (AgNPs) and subsequently modify composite resins with these NPs to enhance their mechanical and antibacterial properties. DEAE-Dextran AgNPs were successfully synthesized using a chemical reduction method that was confirmed with the help of ultraviolet-visible (UV-Vis) spectroscopy, scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), Zeta potential, and energy-dispersive X-ray spectroscopy (EDS). Antibacterial activity of a composite disc with DEAE-Dextran AgNPs was tested against Streptococcus mutans, Enterococcus faecalis, and oral microcosm. The composite discs prepared with DEAE-Dextran AgNPs exhibited excellent antibacterial activity compared with composite resin reinforced by simple AgNPs (p < 0.05). Mechanical properties were significantly enhanced by adding DEAE-Dextran into composite resin (p < 0.05). Moreover, unlike AgNPs, DEAE-Dextran AgNPs were found to be less hemolytic. The results establish strong ground applications for DEAE-Dextran-modified dental composite resins in restorative dental applications.
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Affiliation(s)
- Shabia Azhar
- Department of Biomedical Engineering and Sciences, School of Mechanical & Manufacturing Engineering, National University of Science & Technology, Islamabad 44000, Pakistan; (S.A.); (A.S.K.); (T.T.); (I.S.)
- Integrated Nanobiotechnology Laboratory, School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - Nosheen Fatima Rana
- Department of Biomedical Engineering and Sciences, School of Mechanical & Manufacturing Engineering, National University of Science & Technology, Islamabad 44000, Pakistan; (S.A.); (A.S.K.); (T.T.); (I.S.)
- Integrated Nanobiotechnology Laboratory, School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
- Correspondence: (N.F.R.); (F.M.); Tel.: +92-5190856074 (N.F.R.); Fax: +92-5190856002 (N.F.R.)
| | - Amer Sohail Kashif
- Department of Biomedical Engineering and Sciences, School of Mechanical & Manufacturing Engineering, National University of Science & Technology, Islamabad 44000, Pakistan; (S.A.); (A.S.K.); (T.T.); (I.S.)
| | - Tahreem Tanweer
- Department of Biomedical Engineering and Sciences, School of Mechanical & Manufacturing Engineering, National University of Science & Technology, Islamabad 44000, Pakistan; (S.A.); (A.S.K.); (T.T.); (I.S.)
- Integrated Nanobiotechnology Laboratory, School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - Iqra Shafique
- Department of Biomedical Engineering and Sciences, School of Mechanical & Manufacturing Engineering, National University of Science & Technology, Islamabad 44000, Pakistan; (S.A.); (A.S.K.); (T.T.); (I.S.)
- Integrated Nanobiotechnology Laboratory, School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - Farid Menaa
- Departments of Internal Medicine and Nanomedicine, California Innovations Corporation, San Diego, CA 92037, USA
- Correspondence: (N.F.R.); (F.M.); Tel.: +92-5190856074 (N.F.R.); Fax: +92-5190856002 (N.F.R.)
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50
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Rather MA, Deori PJ, Gupta K, Daimary N, Deka D, Qureshi A, Dutta TK, Joardar SN, Mandal M. Ecofriendly phytofabrication of silver nanoparticles using aqueous extract of Cuphea carthagenensis and their antioxidant potential and antibacterial activity against clinically important human pathogens. CHEMOSPHERE 2022; 300:134497. [PMID: 35398470 DOI: 10.1016/j.chemosphere.2022.134497] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 03/24/2022] [Accepted: 03/31/2022] [Indexed: 06/14/2023]
Abstract
The green synthesis of nanoparticles (NPs) is the safest, ecofriendly, cost-effective, and non-hazardous approach of nanotechnology. In the current study, we described the green synthesis of silver nanoparticles (AgNPs) using Cuphea carthagenensis aqueous leaf extract as a reducing, capping, and stabilizing agent. The study aims at the synthesis, characterization, optimization, and determination of the antibacterial activity of Cc-AgNPs against clinically important human pathogens. Coating of cotton fabrics with Cc-AgNPs and their efficacy against skin infection causing organisms was also evaluated. Furthermore, antioxidant activity, growth assay and time kill assay of Cc-AgNPs were also performed in the study. The biosynthesized Cc-AgNPs were characterized by UV-visible spectrometry, energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), transmission electron microscopy (TEM), and Fourier transform infrared spectroscopy (FTIR). The spectroscopic and microscopic analysis demonstrated biosynthesis of face-centered cubic (fcc) crystalline spherical Cc-AgNPs with an average particle size of 10.65 ± 0.1 nm. Optimized peak synthesis of Cc-AgNPs was reported at pH7, 55 °C, 4 mM silver nitrate, and 5:45 (plant extract: silver nitrate). Cc-AgNPs exhibited potent antioxidant effect and antibacterial activity against both Gram-positive and Gram-negative bacteria. The lowest MIC (15 μg/ml) and MBC (25 μg/ml) values were reported against S. typhimurium. The Cc-AgNPs coated fabrics demonstrated potent antibacterial activity against tested strains. This application could be helpful in wound healing management. Furthermore, the hemolytic analysis demonstrated that Cc-AgNPs exhibit non-toxic nature against Red Blood Cells (RBCs) at the tested concentrations. In conclusion, the investigation demonstrated a fast, stable, and eco-friendly approach to the biosynthesis of Cc-AgNPs along with their antibacterial and antioxidant properties.
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Affiliation(s)
- Muzamil Ahmad Rather
- Department of Molecular Biology and Biotechnology, Tezpur University, Napaam, Tezpur, 784028, Assam, India
| | - Pranab Jyoti Deori
- Department of Molecular Biology and Biotechnology, Tezpur University, Napaam, Tezpur, 784028, Assam, India
| | - Kuldeep Gupta
- Department of Molecular Biology and Biotechnology, Tezpur University, Napaam, Tezpur, 784028, Assam, India
| | - Niran Daimary
- Department of Energy, Tezpur University, Napaam, Tezpur, 784028, Assam, India
| | - Dhanapati Deka
- Department of Energy, Tezpur University, Napaam, Tezpur, 784028, Assam, India
| | - Asifa Qureshi
- Environmental Biotechnology and Genomics Division (EBGD) CSIR-NEERI, Nagpur, 440020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Delhi, India
| | - Tapan Kumar Dutta
- Department of Veterinary Microbiology CVSc & AH, Central Agricultural University Selesih, Aizawl, Mizoram, 796014, India
| | - Siddhartha Narayan Joardar
- Department of Veterinary Microbiology, West Bengal University of Animal & Fishery Sciences 68, K. B. Sarani, Kolkata, 700037, India
| | - Manabendra Mandal
- Department of Molecular Biology and Biotechnology, Tezpur University, Napaam, Tezpur, 784028, Assam, India.
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