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Kumar P, Parveen, Khatoon S, Kumar M, Raj N, Harsha, Solanki R, Manzoor N, Kapur MK. In vitro antifungal activity analysis of Streptomyces sp. strain 196 against Candida albicans and Aspergillus flavus. Int Microbiol 2024:10.1007/s10123-024-00562-2. [PMID: 39068607 DOI: 10.1007/s10123-024-00562-2] [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: 03/01/2024] [Revised: 05/12/2024] [Accepted: 07/22/2024] [Indexed: 07/30/2024]
Abstract
Numerous bioactive compounds have been reported to be produced by the members of the genus Streptomyces. During our previous studies, Streptomyces sp. strain 196 was tested for its antimicrobial activity, and bioactive compounds produced by this strain were characterized LC-MS and 1H NMR. To examine the antifungal potential of strain 196 is the goal of the current investigation. Present investigation is focused on exploring antifungal activity of extract of strain 196 (196EA) on membrane disruption potential against two fungi Candida albicans ATCC 90028 and Aspergillus flavus ITCC 5599. Results revealed that the MIC value is higher for A. flavus than for C. albicans which is 450 µg/mL and 250 µg/mL, respectively. Disc diffusion and spot assay also correspond to the values of the MIC for their respective pathogen. In growth curve analysis, lag and log phase are significantly affected by the extract of strain 196. The effects of extract from strain 196 on plasma membrane disruption of Candida albicans and Aspergillus flavus were analyzed in terms of ergosterol quantification assay, cellular leakage, proton efflux measurement (PM-ATPase), plasma membrane integrity assay (PI), and DNA damage assay (DAPI). Results shown that the extract of strain 196 has the potential to inhibit the cell membrane of the both pathogenic fungi which was further confirmed with the help of scanning electron microscopic (SEM) studies.
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Affiliation(s)
- Prateek Kumar
- Department of Zoology, University of Allahabad, Uttar Pradesh, Prayagraj, 211 002, India
| | - Parveen
- Medical Mycology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Shabana Khatoon
- Medical Mycology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Munendra Kumar
- Department of Zoology, Rajiv Gandhi University, Doimukh, 791112, Arunachal Pradesh, India
| | - Nafis Raj
- Medical Mycology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Harsha
- Microbial Technology Lab, Acharya Narendra Dev College, University of Delhi, New Delhi, 110 019, India
| | - Renu Solanki
- Deen Dayal Upadhyaya College, University of Delhi, New Delhi, 110 078, India
| | - Nikhat Manzoor
- Medical Mycology Laboratory, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India.
| | - Monisha Khanna Kapur
- Microbial Technology Lab, Acharya Narendra Dev College, University of Delhi, New Delhi, 110 019, India.
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Vanlalveni C, Ralte V, Zohmingliana H, Das S, Anal JMH, Lallianrawna S, Rokhum SL. A review of microbes mediated biosynthesis of silver nanoparticles and their enhanced antimicrobial activities. Heliyon 2024; 10:e32333. [PMID: 38947433 PMCID: PMC11214502 DOI: 10.1016/j.heliyon.2024.e32333] [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: 04/21/2023] [Revised: 05/28/2024] [Accepted: 06/02/2024] [Indexed: 07/02/2024] Open
Abstract
In recent decades, biosynthesis of metal and (or) metal oxide nanoparticles using microbes is accepted as one of the most sustainable, cost-effective, robust, and green processes as it does not encompass the usage of largely hazardous chemicals. Accordingly, numerous simple, inexpensive, and environmentally friendly approaches for the biosynthesis of silver nanoparticles (AgNPs) were reported using microbes avoiding conventional (chemical) methods. This comprehensive review detailed an advance made in recent years in the microbes-mediated biosynthesis of AgNPs and evaluation of their antimicrobial activities covering the literature from 2015-till date. It also aimed at elaborating the possible effect of the different phytochemicals, their concentrations, extraction temperature, extraction solvent, pH, reaction time, reaction temperature, and concentration of precursor on the shape, size, and stability of the synthesized AgNPs. In addition, while trying to understand the antimicrobial activities against targeted pathogenic microbes the probable mechanism of the interaction of produced AgNPs with the cell wall of targeted microbes that led to the cell's reputed and death have also been detailed. Lastly, this review detailed the shape and size-dependent antimicrobial activities of the microbes-mediated AgNPs and their enhanced antimicrobial activities by synergetic interaction with known commercially available antibiotic drugs.
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Affiliation(s)
- Chhangte Vanlalveni
- Department of Botany, Mizoram University, Tanhril, Aizawl, Mizoram 796001, India
| | - Vanlalhruaii Ralte
- Department of Botany, Pachhunga University College, Aizawl, 796001, Mizoram, India
| | - Hlawncheu Zohmingliana
- Department of Chemistry, National Institute of Technology Silchar, Silchar, 788010, India
| | - Shikhasmita Das
- Department of Chemistry, National Institute of Technology Silchar, Silchar, 788010, India
| | - Jasha Momo H. Anal
- Natural Products and Medicinal Chemistry Division, CSIR - Indian Institute of Integrative Medicine, Jammu, 180001, India
| | - Samuel Lallianrawna
- Department of Chemistry, Govt. Zirtiri Residential Science College, Aizawl, 796001, Mizoram, India
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C FC, T K. Advances in stabilization of metallic nanoparticle with biosurfactants- a review on current trends. Heliyon 2024; 10:e29773. [PMID: 38699002 PMCID: PMC11064090 DOI: 10.1016/j.heliyon.2024.e29773] [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: 12/16/2023] [Revised: 03/13/2024] [Accepted: 04/15/2024] [Indexed: 05/05/2024] Open
Abstract
Recently, research based on new biomaterials for stabilizing metallic nanoparticles has increased due to their greater environmental friendliness and lower health risk. Their stability is often a critical factor influencing their performance and shelf life. Nowadays, the use of biosurfactants is gaining interest due to their sustainable advantages. Biosurfactants are used for various commercial and industrial applications such as food processing, therapeutic applications, agriculture, etc. Biosurfactants create stable coatings surrounding nanoparticles to stop agglomeration and provide long-term stability. The present review study describes a collection of important scientific works on stabilization and capping of metallic nanoparticles as biosurfactants. This review also provides a comprehensive overview of the intrinsic properties and environmental aspects of metal nanoparticles coated with biosurfactants. In addition, future methods and potential solutions for biosurfactant-mediated stabilization in nanoparticle synthesis are also highlighted. The objective of this study is to ensure that the stabilized nanoparticles exhibit biocompatible properties, making them suitable for applications in medicine and biotechnology.
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Affiliation(s)
- Femina Carolin C
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - Kamalesh T
- Department of Physics, B. S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600 048, India
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Cruz JN, Muzammil S, Ashraf A, Ijaz MU, Siddique MH, Abbas R, Sadia M, Saba, Hayat S, Lima RR. A review on mycogenic metallic nanoparticles and their potential role as antioxidant, antibiofilm and quorum quenching agents. Heliyon 2024; 10:e29500. [PMID: 38660254 PMCID: PMC11040063 DOI: 10.1016/j.heliyon.2024.e29500] [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: 09/19/2023] [Revised: 04/05/2024] [Accepted: 04/09/2024] [Indexed: 04/26/2024] Open
Abstract
The emergence of antimicrobial resistance among biofilm forming pathogens aimed to search for the efficient and novel alternative strategies. Metallic nanoparticles have drawn a considerable attention because of their significant applications in various fields. Numerous methods are developed for the generation of these nanoparticles however, mycogenic (fungal-mediated) synthesis is attractive due to high yields, easier handling, eco-friendly and being energy efficient when compared with conventional physico-chemical methods. Moreover, mycogenic synthesis provides fungal derived biomolecules that coat the nanoparticles thus improving their stability. The process of mycogenic synthesis can be extracellular or intracellular depending on the fungal genera used and various factors such as temperature, pH, biomass concentration and cultivation time may influence the synthesis process. This review focuses on the synthesis of metallic nanoparticles by using fungal mycelium, mechanism of synthesis, factors affecting the mycosynthesis and also describes their potential applications as antioxidants and antibiofilm agents. Moreover, the utilization of mycogenic nanoparticles as quorum quenching agent in hampering the bacterial cell-cell communication (quorum sensing) has also been discussed.
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Affiliation(s)
- Jorddy N. Cruz
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, 66075-110, PA, Brazil Brazil
| | - Saima Muzammil
- Institute of Microbiology, Government College University, Faisalabad, Pakistan
| | - Asma Ashraf
- Department of Zoology, Government College University, Faisalabad, Pakistan
| | - Muhammad Umar Ijaz
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
| | | | - Rasti Abbas
- Institute of Microbiology, Government College University, Faisalabad, Pakistan
| | - Maimona Sadia
- Institute of Microbiology, Government College University, Faisalabad, Pakistan
| | - Saba
- Department of Microbiology and Molecular Genetics, The Women University Multan, Mattital Campus, Multan, Pakistan
| | - Sumreen Hayat
- Institute of Microbiology, Government College University, Faisalabad, Pakistan
| | - Rafael Rodrigues Lima
- Laboratory of Functional and Structural Biology, Institute of Biological Sciences, Federal University of Pará, Belém, 66075-110, PA, Brazil Brazil
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Barreiro C, Albillos SM, García-Estrada C. Penicillium chrysogenum: Beyond the penicillin. ADVANCES IN APPLIED MICROBIOLOGY 2024; 127:143-221. [PMID: 38763527 DOI: 10.1016/bs.aambs.2024.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
Almost one century after the Sir Alexander Fleming's fortuitous discovery of penicillin and the identification of the fungal producer as Penicillium notatum, later Penicillium chrysogenum (currently reidentified as Penicillium rubens), the molecular mechanisms behind the massive production of penicillin titers by industrial strains could be considered almost fully characterized. However, this filamentous fungus is not only circumscribed to penicillin, and instead, it seems to be full of surprises, thereby producing important metabolites and providing expanded biotechnological applications. This review, in addition to summarizing the classical role of P. chrysogenum as penicillin producer, highlights its ability to generate an array of additional bioactive secondary metabolites and enzymes, together with the use of this microorganism in relevant biotechnological processes, such as bioremediation, biocontrol, production of bioactive nanoparticles and compounds with pharmaceutical interest, revalorization of agricultural and food-derived wastes or the enhancement of food industrial processes and the agricultural production.
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Affiliation(s)
- Carlos Barreiro
- Área de Bioquímica y Biología Molecular, Departamento de Biología Molecular, Facultad de Veterinaria, Universidad de León, León, Spain; Instituto de Biología Molecular, Genómica y Proteómica (INBIOMIC), Universidad de León, León, Spain.
| | - Silvia M Albillos
- Área de Bioquímica y Biología Molecular, Departamento de Biotecnología y Ciencia de los Alimentos, Facultad de Ciencias, Universidad de Burgos, Burgos, Spain
| | - Carlos García-Estrada
- Departamento de Ciencias Biomédicas, Facultad de Veterinaria, Universidad de León, León, Spain; Instituto de Biomedicina (IBIOMED), Universidad de León, León, Spain
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Bharti S, Singh B, Kumar S, Kumar R, Kumar J. Synthesis of bio-stabilized silver nanoparticles using Roccella montagnei, their anticandidal capacities & potential to inhibit the virulence factors in fluconazole-resistant Candida albicans. World J Microbiol Biotechnol 2024; 40:158. [PMID: 38592601 DOI: 10.1007/s11274-024-03928-w] [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: 09/16/2023] [Accepted: 02/15/2024] [Indexed: 04/10/2024]
Abstract
Candida species is the causative agent in approximately 80% of invasive mycoses and drug-resistant Candida albicans is among the four strains of 'critical priority group' framed by WHO. Lichens are endowed with some rare phytochemicals and a plethora of therapeutics viz. antifungal capacities of Roccella montagnei. Biosynthesis of silver nanoparticles (AgNPs) using lichen could offer an eco-friendly, and cost-effective alternative against emerging 'microbial resistance.' Therefore, the objective was to biosynthesize silver nanoparticles (Rm-AgNPs) using a Hydro-alcoholic (1:1) extract of R. montagnei to develop a potent anticandidal agent against Fluconazole-resistant C. albicans NBC099. UV-Spectroscopy identified AgNPs specific-peak of Rm-AgNPs at 420-440 nm and FTIR revealed the presence of amines, alcohol, aromatic compounds, and acids. SEM and TEM analysis indicated that Rm-AgNPs are spherical shaped with a size range of 10-50 nm. Zetasizer analysis indicated that particles are highly stable and have a mean hydrodynamic diameter of 116 nm with a zeta potential charge of - 41 mV. XRD analysis suggested face centered cubic crystal lattice structure. Results indicated that Rm-AgNPs strongly inhibited the growth of NBC099 at a minimum inhibitory concentration (IC50) of ≤ 15 µg. C. albicans culture treated with Rm-AgNPs at concentrations below IC50, down-regulates the production of different virulence factors in NBC099, viz. hyphal formation (> 85%), biofilms production (> 80%), phospholipase, esterase, proteinase activity. The apoptosis assay demonstrated the Rm-AgNPs induced apoptosis in NBC099 cells via oxidative stress. Interestingly, Rm-AgNPs showed negligible cytotoxicity (< 6%) in murine RAW 246.7 macrophage cells at a concentration above 15 µg/mL. Therefore, Rm-AgNPs have been offered as an anti-candida alternative that can be utilized to improve the efficacy of already available medications.
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Affiliation(s)
- Shweta Bharti
- Department of Environmental Microbiology, Babasaheb Bhimrao Ambedkar University, Lucknow, Lucknow, India
| | - Balwant Singh
- Department of Biotechnology, Bundelkhand University, Jhansi, India
| | - Sanket Kumar
- Department of Botany, School of Sciences, IFTM University, Moradabad, 244102, India
| | - Rajesh Kumar
- Department of Environmental Microbiology, Babasaheb Bhimrao Ambedkar University, Lucknow, Lucknow, India
| | - Jatinder Kumar
- CSIR-Indian Institute of Integrative Medicine, Jammu, Jammu & Kashmir, India.
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7
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Ali EM, Abdallah BM. The potential use of ozone as antifungal and antiaflatoxigenic agent in nuts and its effect on nutritional quality. BRAZ J BIOL 2024; 84:e263814. [DOI: 10.1590/1519-6984.263814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 05/31/2022] [Indexed: 11/21/2022] Open
Abstract
Abstract Ozone gas is considered as a safe antimicrobial agent in food industries. Here, we evaluated the antifungal and antiaflatoxigenic activities of ozone against fungal contamination in nuts. The most predominant fungal genera in nuts were Aspergillus, Penicillium, Fusarium, and Rhizopus. Ozone (4 ppm) significantly reduced the fungal sporulation of A. flavus and their aflatoxin production. Interestingly, ozone treatment of nuts reduced the total fungal count and increased aflatoxins degradation by approximately 95% and 85%, respectively. Ozone displayed high efficiency to increase the permeability of cell membrane and injury of cell wall of fungi. Increasing the exposure time of ozone in nuts up to 180 minutes showed to reduce the total lipid, carbohydrates, and protein by around 41.2%, 42.7% and 38.4% respectively, in pistachio, almond and peanuts. In conclusion, ozonation is a suitable decontaminating approach for reducing the microbial load in nuts, when used with suitable exposure time.
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Affiliation(s)
- E. M. Ali
- King Faisal University, Saudi Arabia; Cairo University, Egypt
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8
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Makhwitine JP, Kumalo HM, Ndlovu SI, Mkhwanazi NP. Epigenetic Induction of Secondary Metabolites Production in Endophytic Fungi Penicillium chrysogenum and GC-MS Analysis of Crude Metabolites with Anti-HIV-1 Activity. Microorganisms 2023; 11:1404. [PMID: 37374906 DOI: 10.3390/microorganisms11061404] [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: 04/25/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
The continuous burden of human immunodeficiency virus-1 in Sub-Saharan Africa, coupled with the inability of antiretroviral agents to eradicate HIV-1 from viral reservoirs, the potential risks of drug resistance development, and the development of adverse effects, emphasizes the need to develop a new class of HIV-1 inhibitors. Here, we cultivated four endophytic fungal isolates from a medicinal plant, Albizia adianthifolia with the addition of small epigenetic modifiers, sodium butyrate, and valproic acid, to induce the expression of biosynthetic gene clusters encoding active secondary metabolites with probable anti-HIV activities. We identified a non-toxic crude extract of the endophytic fungus Penicillium chrysogenum treated with sodium butyrate to possess significantly greater anti-HIV activity than the untreated extracts. Penicillium chrysogenum P03MB2 showed anti-HIV activity with an IC50 of 0.6024 µg/mL compared to untreated fungal crude extract (IC50 5.053 µg/mL) when treated with sodium butyrate. The profile of secondary metabolite compounds from the bioactive, partially purified extracts were identified by gas chromatography-mass spectrometry (GC-MS), and more bioactive compounds were detected in treated P. chrysogenum P03MB2 fractions than in untreated fractions. Pyrrolo[1,2-a]pyrazine-1,4-dione, hexahydro (13.64%), cyclotrisiloxane, hexamethyl (8.18%), cyclotetrasiloxane, octamethyl (7.23%), cyclopentasiloxane, decamethyl (6.36%), quinoline, 1,2-dihydro-2,24-trimethyl (5.45%), propanenitrile (4.55%), deca-6,9-diene (4.55%), dibutyl phthalate (4.55%), and silane[1,1-dimethyl-2-propenyl)oxy]dimethyl (2.73%) were the most abundant compounds. These results indicate that treatment of endophytic fungi with small epigenetic modifiers enhances the secretion of secondary metabolites with stronger anti-HIV-1 properties, acknowledging the feasibility of epigenetic modification as an innovative approach for the discovery of cryptic fungal metabolites which can be developed into therapeutic compounds.
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Affiliation(s)
- John P Makhwitine
- Discipline of Medical Microbiology, School of Laboratory Medicine and Medical Sciences, College of Health Science, University of KwaZulu-Natal, Durban 4000, South Africa
| | - Hezekiel M Kumalo
- Drug Research and Innovation Unit, Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Science, University of KwaZulu-Natal, Durban 4000, South Africa
| | - Sizwe I Ndlovu
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Johannesburg 2028, South Africa
| | - Nompumelelo P Mkhwanazi
- HIV Pathogenesis Programme, Doris Duke Medical Research Institute, School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban 4000, South Africa
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Rodrigues MP, Pinto PN, Dias RRDS, Biscoto GL, Salvato LA, Millán RDS, Orlando RM, Keller KM. The Antimicrobial Applications of Nanoparticles in Veterinary Medicine: A Comprehensive Review. Antibiotics (Basel) 2023; 12:958. [PMID: 37370277 DOI: 10.3390/antibiotics12060958] [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: 04/24/2023] [Revised: 05/17/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
Nanoparticles (NPs) are nanoscaled particles sized from 1-100 nm, which can be composed of inorganic or organic compounds. NPs have distinctive morphology, size, structure, and surface features, which give them specific properties. These particular attributes make them interesting for biological and medical applications. Due to these characteristics, researchers are studying the possible aptness of numerous nanoparticles in veterinary medicine, such as the capacity to act as a drug delivery system. The use of these NPs as a possible bactericidal or bacteriostatic medication has been studied against different bacteria, especially multiresistant strains and the ones that cause mastitis disease. The antibiofilm property of these nanostructures has also already been proved. The antiviral activity has also been shown for some important viral animal diseases; the antifungal activity had been demonstrated against both pathogenic and mycotoxigenic species. Therefore, this review aimed to elucidate the main clinical and preventive veterinary applications of inorganic and organic nanoparticles.
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Affiliation(s)
- Mariana Paiva Rodrigues
- Programa de Pós-Graduação em Ciência Animal, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 30270-901, Brazil
| | - Priscila Natália Pinto
- Programa de Pós-Graduação em Ciência Animal, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 30270-901, Brazil
| | - Raul Roque de Souza Dias
- Programa de Pós-Graduação em Ciência Animal, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 30270-901, Brazil
| | - Gabriela Lago Biscoto
- Departamento de Medicina Veterinária Preventiva, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 30123-970, Brazil
| | - Lauranne Alves Salvato
- Departamento de Medicina Veterinária Preventiva, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 30123-970, Brazil
| | - Ruben Dario Sinisterra Millán
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte 30123-970, Brazil
| | - Ricardo Mathias Orlando
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte 30123-970, Brazil
| | - Kelly Moura Keller
- Departamento de Medicina Veterinária Preventiva, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte 30123-970, Brazil
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Narware J, Singh SP, Manzar N, Kashyap AS. Biogenic synthesis, characterization, and evaluation of synthesized nanoparticles against the pathogenic fungus Alternaria solani. Front Microbiol 2023; 14:1159251. [PMID: 37138620 PMCID: PMC10149959 DOI: 10.3389/fmicb.2023.1159251] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 03/13/2023] [Indexed: 05/05/2023] Open
Abstract
In the present study, Trichoderma harzianum culture filtrate (CF) was used as a reducing and capping agent to synthesize silver nanoparticles (Ag NPs) in a quick, simple, cost-effective, and eco-friendly manner. The effects of different ratios (silver nitrate (AgNO3): CF), pH, and incubation time on the synthesis of Ag NPs were also examined. Ultraviolet-visible (UV-Vis) spectra of the synthesized Ag NPs showed a distinct surface plasmon resonance (SPR) peak at 420 nm. Spherical and monodisperse NPs were observed using scanning electron microscopy (SEM). Elemental silver (Ag) was identified in the Ag area peak indicated by energy dispersive x-ray (EDX) spectroscopy. The crystallinity of Ag NPs was confirmed by x-ray diffraction (XRD), and Fourier transform infrared (FTIR) was used to examine the functional groups present in the CF. Dynamic light scattering (DLS) revealed an average size (43.68 nm), which was reported to be stable for 4 months. Atomic force microscopy (AFM) was used to confirm surface morphology. We also investigated the in vitro antifungal efficacy of biosynthesized Ag NPs against Alternaria solani, which demonstrated a significant inhibitory effect on mycelial growth and spore germination. Additionally, microscopic investigation revealed that Ag NP-treated mycelia exhibited defects and collapsed. Apart from this investigation, Ag NPs were also tested in an epiphytic environment against A. solani. Ag NPs were found to be capable of managing early blight disease based on field trial findings. The maximum percentage of early blight disease inhibition by NPs was observed at 40 parts per million (ppm) (60.27%), followed by 20 ppm (58.68%), whereas in the case of the fungicide mancozeb (1,000 ppm), the inhibition was recorded at 61.54%.
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Affiliation(s)
- Jeetu Narware
- Department of Mycology and Plant Pathology, Institute of Agriculture Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - Satyendra P. Singh
- Department of Mycology and Plant Pathology, Institute of Agriculture Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - Nazia Manzar
- Molecular Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganism, Mau, Uttar Pradesh, India
| | - Abhijeet Shankar Kashyap
- Molecular Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganism, Mau, Uttar Pradesh, India
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Abd El-Ghany MN, Hamdi SA, Korany SM, Elbaz RM, Emam AN, Farahat MG. Biogenic Silver Nanoparticles Produced by Soil Rare Actinomycetes and Their Significant Effect on Aspergillus-derived mycotoxins. Microorganisms 2023; 11:microorganisms11041006. [PMID: 37110430 PMCID: PMC10142716 DOI: 10.3390/microorganisms11041006] [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: 03/04/2023] [Revised: 04/09/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
The current investigation addressed the green synthesis of silver nanoparticles (AgNPs) using newly isolated silver-resistant rare actinomycetes, Glutamicibacter nicotianae SNPRA1 and Leucobacter aridicollis SNPRA2, and investigated their impact on the mycotoxigenic fungi Aspergillus flavus ATCC 11498 and Aspergillus ochraceus ATCC 60532. The formation of AgNPs was evidenced by the reaction's color change to brownish and the appearance of the characteristic surface plasmon resonance. The transmission electron microscopy of biogenic AgNPs produced by G. nicotianae SNPRA1 and L. aridicollis SNPRA2 (designated Gn-AgNPs and La-AgNPs, respectively) revealed the generation of monodispersed spherical nanoparticles with average sizes of 8.48 ± 1.72 nm and 9.67 ± 2.64 nm, respectively. Furthermore, the XRD patterns reflected their crystallinity and the FTIR spectra demonstrated the presence of proteins as capping agents. Both bioinspired AgNPs exhibited a remarkable inhibitory effect on the conidial germination of the investigated mycotoxigenic fungi. The bioinspired AgNPs caused an increase in DNA and protein leakage, suggesting the disruption of membrane permeability and integrity. Interestingly, the biogenic AgNPs completely inhibited the production of total aflatoxins and ochratoxin A at concentrations less than 8 μg/mL. At the same time, cytotoxicity investigations revealed the low toxicity of the biogenic AgNPs against the human skin fibroblast (HSF) cell line. Both biogenic AgNPs exhibited feasible biocompatibility with HSF cells at concentrations up to 10 μg/mL and their IC50 values were 31.78 and 25.83 μg/mL for Gn-AgNPs and La-AgNPs, respectively. The present work sheds light on the antifungal prospect of the biogenic AgNPs produced by rare actinomycetes against mycotoxigenic fungi as promising candidates to combat mycotoxin formation in food chains at nontoxic doses.
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Affiliation(s)
- Mohamed N Abd El-Ghany
- Botany and Microbiology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Salwa A Hamdi
- Zoology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Shereen M Korany
- Botany and Microbiology Department, Faculty of Science, Helwan University, Cairo 11795, Egypt
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Reham M Elbaz
- Botany and Microbiology Department, Faculty of Science, Helwan University, Cairo 11795, Egypt
- Department of Biology, Faculty of Science, University of Bisha, P.O. Box 551, Bisha 61922, Saudi Arabia
| | - Ahmed N Emam
- Refractories, Ceramics and Building Materials Department, Advanced Materials Technology & Mineral Resources Research Institute, National Research Centre (NRC), El Bohouth St., Dokki, Cairo 12622, Egypt
- Nanomedicine & Tissue Engineering Research Lab, Medical Research Centre of Excellence, National Research Centre, El Bohouth St., Dokki, Cairo 12622, Egypt
| | - Mohamed G Farahat
- Botany and Microbiology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
- Biotechnology Department, Faculty of Nanotechnology for Postgraduate Studies, Cairo University, Sheikh Zayed Branch Campus, Giza 12588, Egypt
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Al Hallak M, Verdier T, Bertron A, Roques C, Bailly JD. Fungal Contamination of Building Materials and the Aerosolization of Particles and Toxins in Indoor Air and Their Associated Risks to Health: A Review. Toxins (Basel) 2023; 15:toxins15030175. [PMID: 36977066 PMCID: PMC10054896 DOI: 10.3390/toxins15030175] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 03/02/2023] Open
Abstract
It is now well established that biological pollution is a major cause of the degradation of indoor air quality. It has been shown that microbial communities from the outdoors may significantly impact the communities detected indoors. One can reasonably assume that the fungal contamination of the surfaces of building materials and their release into indoor air may also significantly impact indoor air quality. Fungi are well known as common contaminants of the indoor environment with the ability to grow on many types of building materials and to subsequently release biological particles into the indoor air. The aerosolization of allergenic compounds or mycotoxins borne by fungal particles or vehiculated by dust may have a direct impact on the occupant’s health. However, to date, very few studies have investigated such an impact. The present paper reviewed the available data on indoor fungal contamination in different types of buildings with the aim of highlighting the direct connections between the growth on indoor building materials and the degradation of indoor air quality through the aerosolization of mycotoxins. Some studies showed that average airborne fungal spore concentrations were higher in buildings where mould was a contaminant than in normal buildings and that there was a strong association between fungal contamination and health problems for occupants. In addition, the most frequent fungal species on surfaces are also those most commonly identified in indoor air, regardless the geographical location in Europe or the USA. Some fungal species contaminating the indoors may be dangerous for human health as they produce mycotoxins. These contaminants, when aerosolized with fungal particles, can be inhaled and may endanger human health. However, it appears that more work is needed to characterize the direct impact of surface contamination on the airborne fungal particle concentration. In addition, fungal species growing in buildings and their known mycotoxins are different from those contaminating foods. This is why further in situ studies to identify fungal contaminants at the species level and to quantify their average concentration on both surfaces and in the air are needed to be better predict health risks due to mycotoxin aerosolization.
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Affiliation(s)
- Mohamad Al Hallak
- Laboratoire Matériaux et Durabilité des Constructions (LMDC), INSA Toulouse, 135 Avenue de Rangueil, 31400 Toulouse, France
| | - Thomas Verdier
- Laboratoire Matériaux et Durabilité des Constructions (LMDC), INSA Toulouse, 135 Avenue de Rangueil, 31400 Toulouse, France
| | - Alexandra Bertron
- Laboratoire Matériaux et Durabilité des Constructions (LMDC), INSA Toulouse, 135 Avenue de Rangueil, 31400 Toulouse, France
| | - Christine Roques
- Laboratoire Génie Chimique (LGC), Université de Toulouse, CNRS, 35 Chemin des Maraîchers, 31400 Toulouse, France
| | - Jean-Denis Bailly
- École Nationale Vétérinaire de Toulouse, 23 Chemin des Capelles, 31076 Toulouse, France
- Laboratoire de Chimie Agro-industrielle (LCA), Université de Toulouse, INRAE, INPT, 4 Allées Emile Monso, 31030 Toulouse, France
- Correspondence:
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Abd El-Ghany MN, Hamdi SA, Korany SM, Elbaz RM, Farahat MG. Biosynthesis of Novel Tellurium Nanorods by Gayadomonas sp. TNPM15 Isolated from Mangrove Sediments and Assessment of Their Impact on Spore Germination and Ultrastructure of Phytopathogenic Fungi. Microorganisms 2023; 11:microorganisms11030558. [PMID: 36985132 PMCID: PMC10053417 DOI: 10.3390/microorganisms11030558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
The biosynthesis of nanoparticles using green technology is emerging as a cost-efficient, eco-friendly and risk-free strategy in nanotechnology. Recently, tellurium nanoparticles (TeNPs) have attracted growing attention due to their unique properties in biomedicine, electronics, and other industrial applications. The current investigation addresses the green synthesis of TeNPs using a newly isolated mangrove-associated bacterium, Gayadomonas sp. TNPM15, and their impact on the phytopathogenic fungi Fusarium oxysporum and Alternaria alternata. The biogenic TeNPs were characterized using transmission electron microscopy (TEM), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), Raman spectroscopy and Fourier transform infrared (FTIR). The results of TEM revealed the intracellular biosynthesis of rod-shaped nanostructures with a diameter range from 15 to 23 nm and different lengths reaching up to 243 nm. Furthermore, the successful formation of tellurium nanorods was verified by SEM-EDX, and the XRD pattern revealed their crystallinity. In addition, the FTIR spectrum provided evidence for the presence of proteinaceous capping agents. The bioinspired TeNPs exhibited obvious inhibitory effect on the spores of both investigated phytopathogens accomplished with prominent ultrastructure alternations, as evidenced by TEM observations. The biogenic TeNPs impeded spore germination of F. oxysporum and A. alternata completely at 48.1 and 27.6 µg/mL, respectively. Furthermore, an increase in DNA and protein leakage was observed upon exposure of fungal spores to the biogenic TeNPs, indicating the disruption of membrane permeability and integrity. Besides their potent influence on fungal spores, the biogenic TeNPs demonstrated remarkable inhibitory effects on the production of various plant cell wall-degrading enzymes. Moreover, the cytotoxicity investigations revealed the biocompatibility of the as-prepared biogenic TeNPs and their low toxicity against the human skin fibroblast (HSF) cell line. The biogenic TeNPs showed no significant cytotoxic effect towards HSF cells at concentrations up to 80 μg/mL, with a half-maximal inhibitory concentration (IC50) value of 125 μg/mL. The present work spotlights the antifungal potential of the biogenic TeNPs produced by marine bacterium against phytopathogenic fungi as a promising candidate to combat fungal infections.
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Affiliation(s)
- Mohamed N. Abd El-Ghany
- Botany and Microbiology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
- Correspondence: or (M.N.A.E.-G.); (M.G.F.)
| | - Salwa A. Hamdi
- Zoology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Shereen M. Korany
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Reham M. Elbaz
- Botany and Microbiology Department, Faculty of Science, Helwan University, Cairo 11795, Egypt
- Department of Biology, College of Science, University of Bisha, P.O. Box 551, Bisha 61922, Saudi Arabia
| | - Mohamed G. Farahat
- Botany and Microbiology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
- Biotechnology Department, Faculty of Nanotechnology for Postgraduate Studies, Sheikh Zayed Branch Campus, Cairo University, Sheikh Zayed City 12588, Egypt
- Correspondence: or (M.N.A.E.-G.); (M.G.F.)
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14
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Abdelaziz AM, Elshaer MA, Abd-Elraheem MA, Ali OMOM, Haggag MI, El-Sayyad GS, Attia MS. Ziziphus spina-christi extract-stabilized novel silver nanoparticle synthesis for combating Fusarium oxysporum-causing pepper wilt disease: in vitro and in vivo studies. Arch Microbiol 2023; 205:69. [PMID: 36670250 DOI: 10.1007/s00203-023-03400-7] [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: 05/10/2022] [Revised: 12/09/2022] [Accepted: 01/01/2023] [Indexed: 01/22/2023]
Abstract
The novelty of the present study is studying the ability of aqueous Ziziphus spina-christi leaves' extract (ZSCE) to produce eco-friendly and cost-effective silver nanoparticles (Ag NPs) against Fusarium wilt disease. Phytochemical screening of ZSCE by HPLC showed that they contain important antimicrobial substances such as Rutin, Naringin, Myricetin, Quercetin, Kaempferol, Hesperidin, Syringeic, Eugenol, Pyrogallol, Gallic and Ferulic. Characterization methods reveal a stable Ag NPs with a crystalline structure, spherical in shape with average particle size about 11.25 nm. ZSCE and Ag NPs showed antifungal potential against F. oxysporum at different concentrations with MIC of Ag NPs as 0.125 mM. Ag NPs treatment was the most effective, as it gave the least disease severity (20.8%) and the highest protection rate (75%). The application of ZSCE or Ag NPs showed a clear recovery, and its effectiveness was not limited for improving growth and metabolic characteristics only, but also inducing substances responsible for defense against pathogens and activating plant immunity (such as increasing phenols and strong expression of peroxidase and polyphenol oxidase as well as isozymes). Owing to beneficial properties such as antifungal activity, and the eco-friendly approach of cost and safety, they can be applied in agricultural field as novel therapeutic nutrients.
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Affiliation(s)
- Amer M Abdelaziz
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, 13759, Egypt
| | - Mohammed A Elshaer
- Agricultural Biochemistry Department, Faculty of Agriculture, Al-Azhar University, Cairo, 13759, Egypt
| | - Mohamed A Abd-Elraheem
- Agricultural Biochemistry Department, Faculty of Agriculture, Al-Azhar University, Cairo, 13759, Egypt
| | - Omar M Omar M Ali
- Microbiology and Immunology Department, Faculty of Pharmacy, Galala University, New Galala City, Suez, Egypt
| | - Muhammad I Haggag
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, 13759, Egypt
| | - Gharieb S El-Sayyad
- Microbiology and Immunology Department, Faculty of Pharmacy, Galala University, New Galala City, Suez, Egypt. .,Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt.
| | - Mohamed S Attia
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, 13759, Egypt
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15
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Antifungal Activity of Biosynthesized Silver Nanoparticles (AgNPs) against Aspergilli Causing Aspergillosis: Ultrastructure Study. J Funct Biomater 2022; 13:jfb13040242. [PMID: 36412883 PMCID: PMC9680418 DOI: 10.3390/jfb13040242] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/03/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022] Open
Abstract
Currently, nanoparticles and nanomaterials are widely used for biomedical applications. In the present study, silver nanoparticles (AgNPs) were successfully biosynthesized using a cell-free extract (CFE) of Bacillus thuringiensis MAE 6 through a green and ecofriendly method. The size of the biosynthesized AgNPs was 32.7 nm, and their crystalline nature was confirmed by XRD, according to characterization results. A surface plasmon resonance spectrum of AgNPs was obtained at 420 nm. Nanoparticles were further characterized using DLS and FTIR analyses, which provided information on their size, stability, and functional groups. AgNPs revealed less cytotoxicity against normal Vero cell line [IC50 = 155 μg/mL]. Moreover, the biosynthesized AgNPs exhibited promising antifungal activity against four most common Aspergillus, including Aspergillus niger, A. terreus, A. flavus, and A. fumigatus at concentrations of 500 μg/mL where inhibition zones were 16, 20, 26, and 19 mm, respectively. In addition, MICs of AgNPs against A. niger, A. terreus, A. flavus, and A. fumigatus were 125, 62.5, 15.62, and 62.5 μg/mL, respectively. Furthermore, the ultrastructural study confirmed the antifungal effect of AgNPs, where the cell wall's integrity and homogeneity were lost; the cell membrane had separated from the cell wall and had intruded into the cytoplasm. In conclusion, the biosynthesized AgNPs using a CFE of B. thuringiensis can be used as a promising antifungal agent against Aspergillus species causing Aspergillosis.
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Sonawane H, Shelke D, Chambhare M, Dixit N, Math S, Sen S, Borah SN, Islam NF, Joshi SJ, Yousaf B, Rinklebe J, Sarma H. Fungi-derived agriculturally important nanoparticles and their application in crop stress management - Prospects and environmental risks. ENVIRONMENTAL RESEARCH 2022; 212:113543. [PMID: 35613631 DOI: 10.1016/j.envres.2022.113543] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 05/11/2022] [Accepted: 05/19/2022] [Indexed: 05/28/2023]
Abstract
Nanotechnology has a wide range of agricultural applications, with emphasize on the development of novel nano-agrochemicals such as, nano-fertilizer and nano-pesticides. It has a significant impact on sustainable agriculture by increasing agricultural productivity, while reducing the use of inorganic fertilizers, pesticides, and herbicides. Nano-coating delivery methods for agrochemicals have improved agrochemical effectiveness, safety, and consistency. Biosynthesis of nanoparticles (NPs) has recently been recognized as an effective tool, contrary to chemically derived NPs, for plant abiotic and biotic stress control, and crop improvement. In this regard, fungi have tremendous scope and importance for producing biogenic NPs of various sizes, shapes, and characteristics. Fungi are potential candidates for synthesis of biogenic NPs due to their enhanced bioavailability, biological activity, and higher metal tolerance. However, their biomimetic properties and high capacity for dispersion in soil, water environments, and foods may have negative environmental consequences. Furthermore, their bioaccumulation raises significant concerns about the novel properties of nanomaterials potentially causing adverse biological effects, including toxicity. This review provides a concise outline of the growing role of fungal-mediated metal NPs synthesis, its potential applications in crop field, and associated issues of nano-pollution in soil and its future implications.
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Affiliation(s)
- Hiralal Sonawane
- PG Research Centre Botany, PDEA's Prof. Ramkrishna More ACS College, Akurdi, Pune, Maharashtra, India
| | - Deepak Shelke
- Department of Botany, Amruteshwar Art's, Commerce, and Science College, Vinzar, Velha, Pune, Maharashtra, India
| | - Mahadev Chambhare
- Department of Botany, Amruteshwar Art's, Commerce, and Science College, Vinzar, Velha, Pune, Maharashtra, India
| | - Nishi Dixit
- Department of Botany, Amruteshwar Art's, Commerce, and Science College, Vinzar, Velha, Pune, Maharashtra, India
| | - Siddharam Math
- Department of Botany, Amruteshwar Art's, Commerce, and Science College, Vinzar, Velha, Pune, Maharashtra, India
| | - Suparna Sen
- Environmental Biotechnology Lab, Life Sciences Division, Institute of Advanced Study in Science and Technology (IASST), Guwahati, India
| | | | - Nazim Forid Islam
- Institutional Biotech Hub, Department of Botany, N N Saikia College, Titabar, 785630, India
| | - Sanket J Joshi
- Oil & Gas Research Centre, Central Analytical and Applied Research Unit, Sultan Qaboos University, Muscat, Oman
| | - Balal Yousaf
- Research Group for Advanced Carbonaceous Material for Environmental Applications, Chinese Academy of Science (CAS)-Key Laboratory of Crust-Mantle Materials and the Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefai, 230026, Anhui, China
| | - Jörg Rinklebe
- Laboratory of Soil- and Groundwater-Management, Institute of Soil Engineering, Waste and Water Science, Faculty of Architecture and Civil Engineering, University of Wuppertal, Pauluskirchstraße 7, 42285, Wuppertal, Germany; International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan 173212, Himachal Pradesh, India.
| | - Hemen Sarma
- Institutional Biotech Hub, Department of Botany, N N Saikia College, Titabar, 785630, India; Bioremediation Technology Research Group, Department of Botany, Bodoland University, Rangalikhata, Deborgaon, Kokrajhar, BTR, Assam, 783370, India.
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17
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Gudkov SV, Serov DA, Astashev ME, Semenova AA, Lisitsyn AB. Ag 2O Nanoparticles as a Candidate for Antimicrobial Compounds of the New Generation. Pharmaceuticals (Basel) 2022; 15:ph15080968. [PMID: 36015116 PMCID: PMC9415021 DOI: 10.3390/ph15080968] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 07/29/2022] [Accepted: 08/04/2022] [Indexed: 12/16/2022] Open
Abstract
Antibiotic resistance in microorganisms is an important problem of modern medicine which can be solved by searching for antimicrobial preparations of the new generation. Nanoparticles (NPs) of metals and their oxides are the most promising candidates for the role of such preparations. In the last few years, the number of studies devoted to the antimicrobial properties of silver oxide NPs have been actively growing. Although the total number of such studies is still not very high, it is quickly increasing. Advantages of silver oxide NPs are the relative easiness of production, low cost, high antibacterial and antifungal activities and low cytotoxicity to eukaryotic cells. This review intends to provide readers with the latest information about the antimicrobial properties of silver oxide NPs: sensitive organisms, mechanisms of action on microorganisms and further prospects for improving the antimicrobial properties.
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Affiliation(s)
- Sergey V. Gudkov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia
- Correspondence:
| | - Dmitriy A. Serov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia
| | - Maxim E. Astashev
- Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia
| | - Anastasia A. Semenova
- V. M. Gorbatov Federal Research Center for Food Systems of Russian Academy of Sciences, 109316 Moscow, Russia
| | - Andrey B. Lisitsyn
- V. M. Gorbatov Federal Research Center for Food Systems of Russian Academy of Sciences, 109316 Moscow, Russia
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18
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Li T, Huang W, Yu H. Synergetic Antimicrobial Effect of Silver Nanoparticles Conjugated with Iprodione against Valsa mali. MATERIALS 2022; 15:ma15155147. [PMID: 35897579 PMCID: PMC9332150 DOI: 10.3390/ma15155147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 07/08/2022] [Accepted: 07/15/2022] [Indexed: 11/28/2022]
Abstract
Apple tree canker induced by Valsamali is a vital disease in apple production around the world, and it highlyimpacts the development of apple industry. It is of great significance to study the inhibition effect of common fungicides and develop new fungistats for comprehensive control of apple tree canker. In this experiment, the inhibition activity of five fungicides, including mancozeb, metalaxyl, iprodione, prochloraz, and difenoconazole along with biosynthesized nanosilver against V. mali, were measured with the mycelium growth rate and agar well diffusion methods. The results showed that iprodione exhibited the best inhibitory effect, the median inhibition concentration (IC50) of iprodione and nanosilver was 0.62 μg.mL−1 and 45.50 μg.mL−1, the suppression rate achieved 67.93% at 200 μg.mL−1 of nanosilver. Moreover, a remarkable additive and synergistic antimicrobial effect was verified when silver nanoparticles were conjugated with iprodione at 9:1, 8:2, 7:3, and 6:4 (v/v), and the toxicity ratio was 1.04, 1.13, 1.01, and 0.98, respectively. It is proven that biosynthesized silver nanoparticles could effectively inhibit Valsamali, and it is possible to develop and screen silver nanoparticle-based nano pesticides to manage plant diseases synthetically.
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Affiliation(s)
- Tao Li
- College of Resources and Environment, Anhui Science and Technology University, Donghua Road 9, Chuzhou 233100, China;
| | - Weidong Huang
- College of Agriculture, Anhui Science and Technology University, Donghua Road 9, Chuzhou 233100, China
- Correspondence: (W.H.); (H.Y.)
| | - Haibing Yu
- College of Agriculture, Anhui Science and Technology University, Donghua Road 9, Chuzhou 233100, China
- Correspondence: (W.H.); (H.Y.)
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19
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Yaraki MT, Zahed Nasab S, Zare I, Dahri M, Moein Sadeghi M, Koohi M, Tan YN. Biomimetic Metallic Nanostructures for Biomedical Applications, Catalysis, and Beyond. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00285] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
| | - Shima Zahed Nasab
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 143951561, Iran
| | - Iman Zare
- Research and Development Department, Sina Medical Biochemistry Technologies Co. Ltd., Shiraz 7178795844, Iran
| | - Mohammad Dahri
- Student Research Committee, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz 71345, Iran
| | - Mohammad Moein Sadeghi
- Student Research Committee, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz 71345, Iran
| | - Maedeh Koohi
- Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan 45371-38791, Islamic Republic of Iran
| | - Yen Nee Tan
- Faculty of Science, Agriculture and Engineering, Newcastle University, Newcastle Upon Tyne NE1 7RU, U.K
- Newcastle Research and Innovation Institute, Newcastle University in Singapore, 80 Jurong East Street 21, No. 05-04, 609607, Singapore
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20
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Green, sustainable, and room-temperature synthesis of silver nanowires using tannic acid – Kinetic and parametric study. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Ali EM, Abdallah BM. Effective Inhibition of Invasive Pulmonary Aspergillosis by Silver Nanoparticles Biosynthesized with Artemisia sieberi Leaf Extract. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 12:51. [PMID: 35010001 PMCID: PMC8746907 DOI: 10.3390/nano12010051] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 12/27/2022]
Abstract
Aspergillus fumigatus is one of the most common fungal pathogens that can cause a diversity of diseases ranging from invasive pulmonary aspergillosis (IPA) and aspergilloma to allergic syndromes. In this study, we investigated the antifungal effect of silver nanoparticles biosynthesized with Artemisia sieberi leaf extract (AS-AgNPs) against A. fumigatus in vitro and in vivo. The biosynthesized AS-AgNPs were characterized by imaging (transmission electron microscopy (TEM)), UV-VIS spectroscopy, X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). The microdilution method showed the antifungal activity of AS-AgNPs against A. fumigatus, with an MIC of 128 µg/mL. AS-AgNPs significantly inhibited the growth of hyphae in all directions, as imaged by SEM. Additionally, TEM on biofilm revealed invaginations of the cell membrane, a change in the vacuolar system, and the presence of multilamellar bodies within vacuoles. Interestingly, AS-AgNPs displayed low cytotoxicity on the A549 human lung cell line in vitro. Treatment of an invasive pulmonary aspergillosis (IPA) mouse model with AS-AgNPs demonstrated the potency of AS-AgNPs to significantly reduce lung tissue damage and to suppress the elevated levels of pro-inflammatory cytokines, tumor necrosis factor-alpha (TNF-α), interleukin-1 (IL-1), and interleukin-17 (IL-17). The therapeutic potential of AS-AgNPs was found to be due to their direct action to suppress the fungal burden and gliotoxin production in the lungs. In addition, AS-AgNPs reduced the oxidative stress in the lungs by increasing the enzymatic activities of catalase (CAT) and superoxide dismutase (SOD). Thus, our data indicate the biosynthesized AS-AgNPs as a novel antifungal alternative treatment against aspergillosis.
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Affiliation(s)
- Enas M. Ali
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia;
- Department of Botany and Microbiology, Faculty of Science, Cairo University, Cairo 12613, Egypt
| | - Basem M. Abdallah
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia;
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22
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Biosynthesis of Silver Nanoparticles by Conyza canadensis and Their Antifungal Activity against Bipolaris maydis. CRYSTALS 2021. [DOI: 10.3390/cryst11121443] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Silver nanoparticles were biosynthesized from Conyzacanadensis leaf extract with the help of a microwave oven. The UV-vis spectrum showed the maximum absorption at 441 nm, corresponding to the surface plasmon resonance of silver nanoparticles. Transmission electron microscope and scanning electron microscope images showed that the synthesized silver nanoparticles were spherical or near-spherical with an average diameter of 43.9 nm. X-ray diffraction demonstrated nanoparticles with a single-phase cubic structure. As-synthesized silver nanoparticles displayed prominent antifungal activity against Bipolaris maydis. The colony inhibition rate reached 88.6% when the concentration of nanosilver colloid was 100 μL·mL−1 (v/v). At such a concentration, no colony formation was observed on the solid plate. The diameter of the inhibition zone was 13.20 ± 1.12 mm. These results lay the foundation for the comprehensive control of plant pathogens using an environmentally friendly approach.
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23
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Striking Back against Fungal Infections: The Utilization of Nanosystems for Antifungal Strategies. Int J Mol Sci 2021; 22:ijms221810104. [PMID: 34576268 PMCID: PMC8466259 DOI: 10.3390/ijms221810104] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 09/13/2021] [Accepted: 09/15/2021] [Indexed: 12/19/2022] Open
Abstract
Fungal infections have become a major health concern, given that invasive infections by Candida, Cryptococcus, and Aspergillus species have led to millions of mortalities. Conventional antifungal drugs including polyenes, echinocandins, azoles, allylamins, and antimetabolites have been used for decades, but their limitations include off-target toxicity, drug-resistance, poor water solubility, low bioavailability, and weak tissue penetration, which cannot be ignored. These drawbacks have led to the emergence of novel antifungal therapies. In this review, we discuss the nanosystems that are currently utilized for drug delivery and the application of antifungal therapies.
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24
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Yugay Y, Rusapetova T, Mashtalyar D, Grigorchuk V, Vasyutkina E, Kudinova O, Zenkina K, Trifuntova I, Karabtsov A, Ivanov V, Aseeva T, Bulgakov V, Shkryl Y. Biomimetic synthesis of functional silver nanoparticles using hairy roots of Panax ginseng for wheat pathogenic fungi treatment. Colloids Surf B Biointerfaces 2021; 207:112031. [PMID: 34392080 DOI: 10.1016/j.colsurfb.2021.112031] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/28/2021] [Accepted: 08/07/2021] [Indexed: 02/07/2023]
Abstract
Presently, multifunctional silver nanoparticles (AgNPs) show a rapid growth in various commercial applications, leading to increasing demand for new eco-friendly manufacturing technologies. An array of genetic engineering tools can be used to increase the yield in the production of AgNPs using various biological systems. The present study reports a green chemistry approach for the biological synthesis of AgNPs using extracts from non-transformed callus, rolC-transgenic callus and hairy roots of Panax ginseng and an evaluation of their efficacy against crop-damaging fungal pathogens. All types of ginseng cell lines promote the reduction of silver nitrate and formation of spherical AgNPs with an average diameter of 50-90 nm. Notably, hairy root extract possessed the maximal reduction potential among the studied cell lines probably due to higher secondary metabolite content. The biosynthesized nanoparticles were highly toxic against several wheat fungal pathogens including Fusarium graminearum, F. avenaceum, F. poae, and F. sporotrichioides, which are associated with fusarium head blight disease in cereals. Furthermore, the antifungal activity of nanosilver was successfully utilized for surface sterilization of infected wheat kernels without any negative effect on seed germination capability.
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Affiliation(s)
- Yulia Yugay
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, 690022, Russia
| | - Tatiana Rusapetova
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, 690022, Russia
| | - Dmitriy Mashtalyar
- Institute of Chemistry, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, 690022, Russia
| | - Valeria Grigorchuk
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, 690022, Russia
| | - Elena Vasyutkina
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, 690022, Russia
| | - Olesya Kudinova
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, 690022, Russia
| | - Kristina Zenkina
- Far Eastern Agricultural Research Institute, Khabarovsk Federal Research Center of the Far Eastern Branch of the Russian Academy of Sciences, Khabarovsk, 680521, Russia
| | - Irina Trifuntova
- Far Eastern Agricultural Research Institute, Khabarovsk Federal Research Center of the Far Eastern Branch of the Russian Academy of Sciences, Khabarovsk, 680521, Russia
| | - Alexander Karabtsov
- Far Eastern Geological Institute, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, 690022 Russia
| | - Vladimir Ivanov
- Far Eastern Geological Institute, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, 690022 Russia
| | - Tatiana Aseeva
- Far Eastern Agricultural Research Institute, Khabarovsk Federal Research Center of the Far Eastern Branch of the Russian Academy of Sciences, Khabarovsk, 680521, Russia
| | - Victor Bulgakov
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, 690022, Russia
| | - Yury Shkryl
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, 690022, Russia.
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Bhavya G, Belorkar SA, Mythili R, Geetha N, Shetty HS, Udikeri SS, Jogaiah S. Remediation of emerging environmental pollutants: A review based on advances in the uses of eco-friendly biofabricated nanomaterials. CHEMOSPHERE 2021; 275:129975. [PMID: 33631403 DOI: 10.1016/j.chemosphere.2021.129975] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/24/2021] [Accepted: 02/09/2021] [Indexed: 05/04/2023]
Abstract
The increased environmental pollutants due to anthropogenic activities are posing an adverse effects and threat on various biotic forms on the planet. Heavy metals and certain organic pollutants by their toxic persistence in the environment are regarded as significant pollutants worldwide. In recent years, pollutants exist in various forms in the environment are difficult to eliminate by traditional technologies due to various drawbacks. This has lead to shifting of research for the development of cost-effective and efficient technologies for the remediation of environmental pollutants. The adaption of adsorption phenomenon from the traditional technologies with the modification of adsorbents at nanoscale is the trended research for mitigating the environmental pollutants with petite environmental concerns. Over the past decade, the hidden potentials of biological sources for the biofabrication of nanomaterials as bequeathed rapid research for remediating the environmental pollution in a sustainable manner. The biofabricated nanomaterials possess an inimitable phenomenon such as photo and enzymatic catalysis, electrostatic interaction, surface active site interactions, etc., contributing for the detoxification of various pollutants. With this background, the current review highlights the emerging biofabricated nano-based adsorbent materials and their underlying mechanisms addressing the environmental remediation of persistent organic pollutants, heavy metal (loid)s, phytopathogens, special attention to the reduction of pathogen-derived toxins and air pollutants. Each category is illustrated with suitable examples, fundamental mechanism, and graphical representations, along with societal applications. Finally, the future and sustainable development of eco-friendly biofabricated nanomaterial-based adsorbents is discussed.
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Affiliation(s)
- Gurulingaiah Bhavya
- Nanobiotechnology Laboratory, Department of Studies in Biotechnology, University of Mysore, Manasagangotri, Mysuru, 570 006, Karnataka, India
| | - Seema Anil Belorkar
- Microbiology and Bioinformatics Department, Bilaspur University, Bilaspur, (C.G), 495 001, India
| | - Raja Mythili
- PG & Research Department of Biotechnology, Mahendra Arts & Science College, Kalippatti, 637501, Tamil Nadu, India
| | - Nagaraja Geetha
- Nanobiotechnology Laboratory, Department of Studies in Biotechnology, University of Mysore, Manasagangotri, Mysuru, 570 006, Karnataka, India
| | - Huntrike Shekar Shetty
- Nanobiotechnology Laboratory, Department of Studies in Biotechnology, University of Mysore, Manasagangotri, Mysuru, 570 006, Karnataka, India
| | - Shashikant S Udikeri
- Department of Agricultural Entomolgy, University of Agricultural Sciences, Dharwad, 580005, Karnataka, India
| | - Sudisha Jogaiah
- Laboratory of Plant Healthcare and Diagnostics, PG Department of Biotechnology and Microbiology, Karnataka University, Dharwad, 580 003, Karnataka, India.
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The Efficacy of Green Synthesized Nanosilver in Reducing the Incidence of Post-Harvest Apple Fruit Brown Rot. J Fungi (Basel) 2021; 7:jof7060473. [PMID: 34200972 PMCID: PMC8230666 DOI: 10.3390/jof7060473] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/28/2021] [Accepted: 05/31/2021] [Indexed: 11/17/2022] Open
Abstract
This study aimed to green synthesize nanosilver (AgNPs) using black tea extract and use it as a nanopreservative to increase the shelf life of stored apple fruits. Ultraviolet visible absorption (UV-vis) analysis of AgNPs recorded two λ max values at 260 and 452 nm. Transmission electron microscope and dynamic light scattering analyses showed that AgNPs are spherical in shape and have an average size of 20 and 170.6 nm, respectively, with a zeta potential of -20.06 mV. An in vitro assay confirmed the antifungal potential of AgNPs against M. fructigena when applied at 200 mg/L and preincubated for 4 days, reducing the radial growth by 96.1%. At the same dose and preincubation period, AgNPs caused a significant reduction in the diameter and fresh weight of brown rotted lesions in apple fruits artificially coinoculated with the pathogen by 77.4% and 84.4%, respectively. AgNPs caused the leakage of proteins and DNA from M. fructigena conidia and did not express cytotoxicity against the human HaCaT cell lines. Accordingly, green synthesized AgNPs are eco-friendly and economical and do not pose harm to human health; thus, they could be used as an effective nanopreservative in apple fruit stores to reduce the incidence of brown rot disease.
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Ghosh S, Ahmad R, Banerjee K, AlAjmi MF, Rahman S. Mechanistic Aspects of Microbe-Mediated Nanoparticle Synthesis. Front Microbiol 2021; 12:638068. [PMID: 34025600 PMCID: PMC8131684 DOI: 10.3389/fmicb.2021.638068] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 03/25/2021] [Indexed: 11/13/2022] Open
Abstract
In recent times, nanoparticles (NPs) have found increasing interest owing to their size, large surface areas, distinctive structures, and unique properties, making them suitable for various industrial and biomedical applications. Biogenic synthesis of NPs using microbes is a recent trend and a greener approach than physical and chemical methods of synthesis, which demand higher costs, greater energy consumption, and complex reaction conditions and ensue hazardous environmental impact. Several microorganisms are known to trap metals in situ and convert them into elemental NPs forms. They are found to accumulate inside and outside of the cell as well as in the periplasmic space. Despite the toxicity of NPs, the driving factor for the production of NPs inside microorganisms remains unelucidated. Several reports suggest that nanotization is a way of stress response and biodefense mechanism for the microbe, which involves metal excretion/accumulation across membranes, enzymatic action, efflux pump systems, binding at peptides, and precipitation. Moreover, genes also play an important role for microbial nanoparticle biosynthesis. The resistance of microbial cells to metal ions during inward and outward transportation leads to precipitation. Accordingly, it becomes pertinent to understand the interaction of the metal ions with proteins, DNA, organelles, membranes, and their subsequent cellular uptake. The elucidation of the mechanism also allows us to control the shape, size, and monodispersity of the NPs to develop large-scale production according to the required application. This article reviews different means in microbial synthesis of NPs focusing on understanding the cellular, biochemical, and molecular mechanisms of nanotization of metals.
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Affiliation(s)
- Shubhrima Ghosh
- Department of Chemistry, Indian Institute of Technology Delhi, New Delhi, India
- Research and Development Office, Ashoka University, Sonepat, India
| | - Razi Ahmad
- Department of Chemistry, Indian Institute of Technology Delhi, New Delhi, India
- Department of Biosciences, Jamia Millia Islamia, New Delhi, India
| | - Kamalika Banerjee
- Kusuma School of Biological Sciences, Indian Institute of Technology Delhi, New Delhi, India
| | - Mohamed Fahad AlAjmi
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Shakilur Rahman
- Department of Biosciences, Jamia Millia Islamia, New Delhi, India
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28
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Zhou L, Zhao X, Li M, Lu Y, Ai C, Jiang C, Liu Y, Pan Z, Shi J. Antifungal activity of silver nanoparticles synthesized by iturin against Candida albicans in vitro and in vivo. Appl Microbiol Biotechnol 2021; 105:3759-3770. [PMID: 33900424 DOI: 10.1007/s00253-021-11296-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/09/2021] [Accepted: 04/12/2021] [Indexed: 12/30/2022]
Abstract
Candida albicans (C. albicans) is a fungal pathogen that is difficult to cure clinically due to lack of effective antifungal agents with low toxicity. In this study, iturin, a cyclic peptide having wide antifungal spectrum, was used to synthesize nanosilver particles (AgNPs), and a complex of iturin-AgNPs was formed. The antifungal activity of iturin-AgNPs against C. albicans and its mechanisms were tested in vitro. Iturin-AgNPs were also loaded in chitosan (CS) composite dressing and applied to skin wound healing in mice. As results, iturin-AgNPs showed excellent antifungal activity with the minimum inhibitory concentrations (MIC) of 1.25, 2.5, and 5 μg/mL at C. albicans concentrations of 1×105, 1×106, and 1×107 CFU/mL, respectively. The MIC value still kept at 2.5 μg/mL against C. albicans (105 CFU/mL) after 15 regeneration, showing less induction of drug resistance to the pathogenic fungus. The antifungal mechanisms of iturin-AgNPs against C. albicans were identified as the increase of membrane permeability, damage of cell membrane integrity, and leakage of cellular protein and nucleic acids. No toxicity was found for iturin-AgNPs to HaCaT cells at concentrations of lower than 10 μg/mL. In wound healing application, iturin-AgNP CS composite dressing significantly accelerated the healing of C. albicans infected skin wounds at the early 10 days. In conclusion, iturin-AgNPs were developed as an efficient antifungal agent against C. albicans in vitro and in vivo and showed potential application in wound healing promotion.
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Affiliation(s)
- Liangfu Zhou
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 Youyi West Road, Xi'an, 710072, Shaanxi Province, China
| | - Xixi Zhao
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 Youyi West Road, Xi'an, 710072, Shaanxi Province, China.,College of Enology, Northwest A&F University, YangLing, Shaanxi Province, China
| | - Meixuan Li
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 Youyi West Road, Xi'an, 710072, Shaanxi Province, China
| | - Yao Lu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 Youyi West Road, Xi'an, 710072, Shaanxi Province, China
| | - Chongyang Ai
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 Youyi West Road, Xi'an, 710072, Shaanxi Province, China
| | - Chunmei Jiang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 Youyi West Road, Xi'an, 710072, Shaanxi Province, China
| | - Yanlin Liu
- College of Enology, Northwest A&F University, YangLing, Shaanxi Province, China
| | - Zhongli Pan
- Department of Biological and Agricultural Engineering, University of California, 3018 Bainer Hall, One Shields Ave. Davis, Davis, CA, 95616, USA
| | - Junling Shi
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 Youyi West Road, Xi'an, 710072, Shaanxi Province, China.
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29
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Raafat M, El-Sayed ASA, El-Sayed MT. Biosynthesis and Anti-Mycotoxigenic Activity of Zingiber officinale Roscoe-Derived Metal Nanoparticles. Molecules 2021; 26:2290. [PMID: 33920949 PMCID: PMC8071333 DOI: 10.3390/molecules26082290] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 03/30/2021] [Accepted: 04/13/2021] [Indexed: 01/15/2023] Open
Abstract
Mycotoxigenic fungi have attracted special attention due to their threat to food security and toxicity to human health. Aqueous extract of Zingiber officinale Roscoe was used as reducing and capping agent for the synthesis of silver (AgNPs), copper (CuNPs), and zinc oxide (ZnONPs) nanoparticles. UV-Visible spectra of the AgNPs, CuNPs, and ZnONPs showed absorption peaks at λmax 416 nm, 472 nm, and 372 nm, respectively. Zeta potential of AgNPs, CuNPs, and ZnONPs were -30.9, -30.4 and -18.4 mV, respectively. ZnONPs showed the highest activity against Aspergillus awamori ZUJQ 965830.1 (ZOI 20.9 mm and MIC 24.7 µg/mL). TEM micrographs of ZnONPs-treated A. awamori showed cracks and pits in the cell wall, liquefaction of the cytoplasmic content, making it less electron-dense. The sporulation and ochratoxin A production of A. awamori was inhibited by ZnONPs in a concentration-dependent pattern. The inhibition percentage of OTA were 45.6, 84.78 and 95.65% for 10, 15, 20 of ZnONPs/mL, respectively.
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Affiliation(s)
- Mohamed Raafat
- Department of Pharmacology and Toxicology, College of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia;
| | - Ashraf S. A. El-Sayed
- Botany and Microbiology Department, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
| | - Manal T. El-Sayed
- Botany and Microbiology Department, Faculty of Science, Zagazig University, Zagazig 44519, Egypt
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30
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Abdallah BM, Ali EM. Green Synthesis of Silver Nanoparticles Using the Lotus lalambensis Aqueous Leaf Extract and Their Anti-Candidal Activity against Oral Candidiasis. ACS OMEGA 2021; 6:8151-8162. [PMID: 33817474 PMCID: PMC8014928 DOI: 10.1021/acsomega.0c06009] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 03/08/2021] [Indexed: 05/31/2023]
Abstract
Oral candidiasis is widely spread in both humans and animals, which is caused mainly by Candida albicans. In this study, we aimed to biosynthesize silver nanoparticles (AgNPs) for the first time using the Lotus lalambensis Schweinf leaf extract (L-AgNPs) and investigated their anti-candidal potency alone or in combination with the leaf extract of L. lalambensis (L-AgNPs/LL) against C. albicans. The biosynthesized L-AgNPs were characterized by imaging (transmission electron microscopy, TEM), UV-vis spectroscopy, Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD). The results of the disk diffusion method showed the potent synergistic anti-candidal activity of L-AgNPs/LL (24 mm inhibition zone). L-AgNPs/LL completely inhibited the morphogenesis of C. albicans and suppressed the adhesion and the formation of the biofilm of C. albicans by 82.5 and 78.7%, respectively. Further, L-AgNPs/LL inhibited the production of antioxidant enzymes of C. albicans by 80%. SEM and TEM revealed deteriorations in the cell wall ultrastructure in L-AgNPs/LL-treated C. albicans. Interestingly, L-AgNPs/LL showed less than 5% cytotoxicity when examined with either the primary bone marrow derived mesenchymal stem cell (BMSCs) or MCF-7 cell line at MIC values of L-AgNPs/LL. In conclusion, we identified L-AgNPs/LL as a potential biosynthesized-based drug for oral candidiasis in humans and animals.
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Affiliation(s)
- Basem M. Abdallah
- Department
of Biological Sciences, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Endocrine
Research (KMEB), Department of Endocrinology, University of Southern Denmark, Odense DK-5000, Denmark
| | - Enas M. Ali
- Department
of Biological Sciences, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department
of Botany and Microbiology, Faculty of Science, Cairo University, Cairo 12613, Egypt
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31
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Rai M, Bonde S, Golinska P, Trzcińska-Wencel J, Gade A, Abd-Elsalam KA, Shende S, Gaikwad S, Ingle AP. Fusarium as a Novel Fungus for the Synthesis of Nanoparticles: Mechanism and Applications. J Fungi (Basel) 2021; 7:139. [PMID: 33672011 PMCID: PMC7919287 DOI: 10.3390/jof7020139] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/06/2021] [Accepted: 02/10/2021] [Indexed: 01/05/2023] Open
Abstract
Nanotechnology is a new and developing branch that has revolutionized the world by its applications in various fields including medicine and agriculture. In nanotechnology, nanoparticles play an important role in diagnostics, drug delivery, and therapy. The synthesis of nanoparticles by fungi is a novel, cost-effective and eco-friendly approach. Among fungi, Fusarium spp. play an important role in the synthesis of nanoparticles and can be considered as a nanofactory for the fabrication of nanoparticles. The synthesis of silver nanoparticles (AgNPs) from Fusarium, its mechanism and applications are discussed in this review. The synthesis of nanoparticles from Fusarium is the biogenic and green approach. Fusaria are found to be a versatile biological system with the ability to synthesize nanoparticles extracellularly. Different species of Fusaria have the potential to synthesise nanoparticles. Among these, F. oxysporum has demonstrated a high potential for the synthesis of AgNPs. It is hypothesised that NADH-dependent nitrate reductase enzyme secreted by F. oxysporum is responsible for the reduction of aqueous silver ions into AgNPs. The toxicity of nanoparticles depends upon the shape, size, surface charge, and the concentration used. The nanoparticles synthesised by different species of Fusaria can be used in medicine and agriculture.
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Affiliation(s)
- Mahendra Rai
- Department of Biotechnology, Nanobiotechnology Laboratory, Sant Gadge Baba Amravati University, Amravati 444602, India; (S.B.); (A.G.); (S.S.)
- Department of Microbiology, Nicolaus Copernicus University, Lwowska, 87-100 Torun, Poland; (P.G.); (J.T.-W.)
| | - Shital Bonde
- Department of Biotechnology, Nanobiotechnology Laboratory, Sant Gadge Baba Amravati University, Amravati 444602, India; (S.B.); (A.G.); (S.S.)
| | - Patrycja Golinska
- Department of Microbiology, Nicolaus Copernicus University, Lwowska, 87-100 Torun, Poland; (P.G.); (J.T.-W.)
| | - Joanna Trzcińska-Wencel
- Department of Microbiology, Nicolaus Copernicus University, Lwowska, 87-100 Torun, Poland; (P.G.); (J.T.-W.)
| | - Aniket Gade
- Department of Biotechnology, Nanobiotechnology Laboratory, Sant Gadge Baba Amravati University, Amravati 444602, India; (S.B.); (A.G.); (S.S.)
| | - Kamel A. Abd-Elsalam
- Agricultural Research Center, Plant Pathology Research Institute, Giza 12619, Egypt;
| | - Sudhir Shende
- Department of Biotechnology, Nanobiotechnology Laboratory, Sant Gadge Baba Amravati University, Amravati 444602, India; (S.B.); (A.G.); (S.S.)
- Academy of Biology and Biotechnology, Southern Federal University, 344006 Rostov-on-Don, Russia
| | - Swapnil Gaikwad
- Microbial Diversity Research Centre, Dr. D. Y. Patil Biotechnology and Bioinformatics Institute, Dr. D. Y. Patil Vidyapeeth (Deemed to be University), Tathawade, Pune 411033, India;
| | - Avinash P. Ingle
- Biotechnology Centre, Department of Agricultural Botany, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra 444104, India;
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32
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Saravanan A, Kumar PS, Karishma S, Vo DVN, Jeevanantham S, Yaashikaa PR, George CS. A review on biosynthesis of metal nanoparticles and its environmental applications. CHEMOSPHERE 2021; 264:128580. [PMID: 33059285 DOI: 10.1016/j.chemosphere.2020.128580] [Citation(s) in RCA: 128] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 10/01/2020] [Accepted: 10/05/2020] [Indexed: 05/02/2023]
Abstract
Nanotechnology has become one of the emerging multi-disciplinary fields receiving universal attention and playing a substantial role in agriculture, environment and pharmacology. In spite of various techniques employed for nanoparticle synthesis such as laser ablation, mechanical milling, spinning and chemical deposition, usage of hazardous chemicals and expensiveness of the process makes it unsuitable for the continuous production. Hence the necessity of sustainable, economic and environment friendly approach development have increased in recent years. Microbial synthesis of nanoparticles connecting microbiology and nanotechnology is one of the green techniques employed for sustainable production. Gold, silver and other metal nanoparticles like platinum, palladium, molybdenum nanoparticles biosynthesis by bacteria, fungi, yeast and algae have been reported in the present review. On account of microbial rich community, several microbes have been explored for the production of nanoparticles. Nanoparticles are also employed for environmental remediation processes such as pollutant removal and detection of contaminants. Lack of monodispersity and prolonged duration of synthesis are the limitations of bio-synthesis process which can be overcome by optimization of methods of microbial cultivation and its extraction techniques. The current review describes the different microbes involved in the synthesis of nanoparticles and its environmental applications.
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Affiliation(s)
- A Saravanan
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, 602105, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, India.
| | - S Karishma
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, 602105, India
| | - Dai-Viet N Vo
- Center of Excellence for Green Energy and Environmental Nanomaterials (CE@GrEEN), Nguyen Tat Thanh University, Ho Chi Minh City, Viet Nam
| | - S Jeevanantham
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, 602105, India
| | - P R Yaashikaa
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, India
| | - Cynthia Susan George
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, India
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Kaabipour S, Hemmati S. A review on the green and sustainable synthesis of silver nanoparticles and one-dimensional silver nanostructures. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2021; 12:102-136. [PMID: 33564607 PMCID: PMC7849236 DOI: 10.3762/bjnano.12.9] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 12/14/2020] [Indexed: 05/08/2023]
Abstract
The significance of silver nanostructures has been growing considerably, thanks to their ubiquitous presence in numerous applications, including but not limited to renewable energy, electronics, biosensors, wastewater treatment, medicine, and clinical equipment. The properties of silver nanostructures, such as size, size distribution, and morphology, are strongly dependent on synthesis process conditions such as the process type, equipment type, reagent type, precursor concentration, temperature, process duration, and pH. Physical and chemical methods have been among the most common methods to synthesize silver nanostructures; however, they possess substantial disadvantages and short-comings, especially compared to green synthesis methods. On the contrary, the number of green synthesis techniques has been increasing during the last decade and they have emerged as alternative routes towards facile and effective synthesis of silver nanostructures with different morphologies. In this review, we have initially outlined the most common and popular chemical and physical methodologies and reviewed their advantages and disadvantages. Green synthesis methodologies are then discussed in detail and their advantages over chemical and physical methods have been noted. Recent studies are then reviewed in detail and the effects of essential reaction parameters, such as temperature, pH, precursor, and reagent concentration, on silver nanostructure size and morphology are discussed. Also, green synthesis techniques used for the synthesis of one-dimensional (1D) silver nanostructures have been reviewed, and the potential of alternative green reagents for their synthesis has been discussed. Furthermore, current challenges regarding the green synthesis of 1D silver nanostructures and future direction are outlined. To sum up, we aim to show the real potential of green nanotechnology towards the synthesis of silver nanostructures with various morphologies (especially 1D ones) and the possibility of altering current techniques towards more environmentally friendly, more energy-efficient, less hazardous, simpler, and cheaper procedures.
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Affiliation(s)
- Sina Kaabipour
- School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma, 74078, USA
| | - Shohreh Hemmati
- School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma, 74078, USA
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34
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Mohamed HI, Abd-Elsalam KA, Tmam AM, Sofy MR. Silver-based nanomaterials for plant diseases management: Today and future perspectives. SILVER NANOMATERIALS FOR AGRI-FOOD APPLICATIONS 2021:495-526. [DOI: 10.1016/b978-0-12-823528-7.00031-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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35
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Ahmed T, Ren H, Noman M, Shahid M, Liu M, Ali MA, Zhang J, Tian Y, Qi X, Li B. Green synthesis and characterization of zirconium oxide nanoparticles by using a native Enterobacter sp. and its antifungal activity against bayberry twig blight disease pathogen Pestalotiopsis versicolor. NANOIMPACT 2021; 21:100281. [PMID: 35559773 DOI: 10.1016/j.impact.2020.100281] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 11/06/2020] [Accepted: 11/27/2020] [Indexed: 05/11/2023]
Abstract
Pestalotiopsis versicolor is a most destructive fungal pathogen that causes twig blight disease in bayberry. For the last seven years, it is difficult to control this pathogen due to its latent infestation mode and its control through chemical fungicides is environmentally corrosive in addition to being costly. In this study, we reported the fungicidal potential of biologically synthesized zirconium oxide nanoparticles (ZrONPs) against P. versicolor for the first time. The strain used for green synthesis of ZrONPs was taxonomically identified as Enterobacter sp. strain RNT10. The production of ZrONPs in reaction mixture was confirmed through UV-vis spectroscopy analysis. Moreover, FTIR, XRD, SEM and TEM analysis showed the presence of capping proteins and crystalline nature of spherical shaped ZrONPs with particle size ranging from 33 to 75 nm. EDX spectra revealed an elemental profile of ZrONPs comprising of Zr (54.40%) and oxygen (43.49%). Biogenic ZrONPs showed substantial antifungal inhibition zones (25.18 ± 1.52 mm) at 20 μg mL-1 concentration against P. versicolor strain XJ27. Moreover, the treatment of 20 μg mL-1 ZrONPs significantly inhibited twig blight in detached leaf assay. Furthermore, imaging through SEM and TEM showed the adverse effects of ZrONPs against P. versicolor in terms of extracellular leakage of DNA and proteins. Overall, this study suggested that biogenic ZrONPs could substitute chemically synthesized antifungal agents with the specific application towards control of twig blight disease in bayberry.
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Affiliation(s)
- Temoor Ahmed
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China
| | - Haiying Ren
- Institute of Horticulture, Zhejiang Academy of Agricultural Sciences, 310021 Hangzhou, China
| | - Muhammad Noman
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China
| | - Muhammad Shahid
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad 38000, Pakistan
| | - Mengju Liu
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China
| | - Md Arshad Ali
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China
| | - Jiannan Zhang
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China
| | - Ye Tian
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China
| | - Xingjiang Qi
- Institute of Horticulture, Zhejiang Academy of Agricultural Sciences, 310021 Hangzhou, China
| | - Bin Li
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China.
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Ahmed T, Noman M, Luo J, Muhammad S, Shahid M, Ali MA, Zhang M, Li B. Bioengineered chitosan-magnesium nanocomposite: A novel agricultural antimicrobial agent against Acidovorax oryzae and Rhizoctonia solani for sustainable rice production. Int J Biol Macromol 2020; 168:834-845. [PMID: 33242551 DOI: 10.1016/j.ijbiomac.2020.11.148] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/13/2020] [Accepted: 11/21/2020] [Indexed: 12/11/2022]
Abstract
Chitosan is a potent biopolymer having promising antimicrobial properties against phytopathogens. Recently, engineered nanomaterials (ENMs) have gained much attention due to their potential application in the plant disease management. In this study, we reported the green synthesis of chitosan-magnesium (CS-Mg) nanocomposite and its antimicrobial activity against two rice pathogens namely Acidovorax oryzae and Rhizoctonia solani for the first time. The green MgO nanoparticles synthesized by using a native Bacillus sp. strain RNT3, were used to fabricate CS-Mg nanocomposite utilizing one-pot synthesis method. The synthesis of CS-Mg nanocomposite was further confirmed by using UV-vis spectroscopy, whereas, FTIR and XRD analysis showed the capping of CS-Mg nanocomposites by different functional groups together with their crystalline structure, respectively. Besides, SEM and TEM images revealed the spherical shape along with the particles size ranging from 29 to 60 nm. Moreover, EDS analysis confirmed the elemental purity of nanocomposite. The CS-Mg nanocomposite showed remarkable antimicrobial activity against A. oryzae and R. solani and significantly inhibited the growth as compared to non-treated control. The ultrastructure studies showed damaged structure of cell wall and internal cellular organelles after treatment with 100 μg mL-1 CS-Mg nanocomposite. The results of this study indicated that CS-Mg nanocomposite-based antimicrobial agents could be considered as promising nanopesticides against phytopathogens in plant disease management.
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Affiliation(s)
- Temoor Ahmed
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China
| | - Muhammad Noman
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China
| | - Jinyan Luo
- Department of Plant Quarantine, Shanghai Extension and Service Center of Agriculture Technology, Shanghai 201103, China
| | - Sher Muhammad
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Muhammad Shahid
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad 38000, Pakistan.
| | - Md Arshad Ali
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China
| | - Muchen Zhang
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China
| | - Bin Li
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, 310058 Hangzhou, China.
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Gherasim O, Puiu RA, Bîrcă AC, Burdușel AC, Grumezescu AM. An Updated Review on Silver Nanoparticles in Biomedicine. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2318. [PMID: 33238486 PMCID: PMC7700255 DOI: 10.3390/nano10112318] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/17/2020] [Accepted: 11/20/2020] [Indexed: 12/12/2022]
Abstract
Silver nanoparticles (AgNPs) represent one of the most explored categories of nanomaterials for new and improved biomaterials and biotechnologies, with impressive use in the pharmaceutical and cosmetic industry, anti-infective therapy and wound care, food and the textile industry. Their extensive and versatile applicability relies on the genuine and easy-tunable properties of nanosilver, including remarkable physicochemical behavior, exceptional antimicrobial efficiency, anti-inflammatory action and antitumor activity. Besides commercially available and clinically safe AgNPs-based products, a substantial number of recent studies assessed the applicability of nanosilver as therapeutic agents in augmented and alternative strategies for cancer therapy, sensing and diagnosis platforms, restorative and regenerative biomaterials. Given the beneficial interactions of AgNPs with living structures and their nontoxic effects on healthy human cells, they represent an accurate candidate for various biomedical products. In the present review, the most important and recent applications of AgNPs in biomedical products and biomedicine are considered.
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Affiliation(s)
- Oana Gherasim
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (O.G.); (R.A.P.); (A.C.B.); (A.-C.B.)
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Romania
| | - Rebecca Alexandra Puiu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (O.G.); (R.A.P.); (A.C.B.); (A.-C.B.)
| | - Alexandra Cătălina Bîrcă
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (O.G.); (R.A.P.); (A.C.B.); (A.-C.B.)
| | - Alexandra-Cristina Burdușel
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (O.G.); (R.A.P.); (A.C.B.); (A.-C.B.)
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (O.G.); (R.A.P.); (A.C.B.); (A.-C.B.)
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 90-92 Panduri Road, 050657 Bucharest, Romania
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Ibrahim E, Luo J, Ahmed T, Wu W, Yan C, Li B. Biosynthesis of Silver Nanoparticles Using Onion Endophytic Bacterium and Its Antifungal Activity against Rice Pathogen Magnaporthe oryzae. J Fungi (Basel) 2020; 6:E294. [PMID: 33217899 PMCID: PMC7712207 DOI: 10.3390/jof6040294] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/13/2020] [Accepted: 11/14/2020] [Indexed: 12/22/2022] Open
Abstract
Biosynthesis of silver nanoparticles (AgNPs) using endophytic bacteria is a safe alternative to the traditional chemical method. The purpose of this research is to biosynthesize AgNPs using endophytic bacterium Bacillus endophyticus strain H3 isolated from onion. The biosynthesized AgNPs with sizes from 4.17 to 26.9 nm were confirmed and characterized by various physicochemical techniques such as Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), UV-visible spectroscopy, transmission electron microscopy (TEM) and scanning electron microscopy (SEM) in addition to an energy dispersive spectrum (EDS) profile. The biosynthesized AgNPs at a concentration of 40 μg/mL had a strong antifungal activity against rice blast pathogen Magnaporthe oryzae with an inhibition rate of 88% in mycelial diameter. Moreover, the biosynthesized AgNPs significantly inhibited spore germination and appressorium formation of M. oryzae. Additionally, microscopic observation showed that mycelia morphology was swollen and abnormal when dealing with AgNPs. Overall, the current study revealed that AgNPs could protect rice plants against fungal infections.
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Affiliation(s)
- Ezzeldin Ibrahim
- State Key Laboratory of Rice Biology, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (E.I.); (T.A.)
- Department of Vegetable Diseases Research, Plant Pathology Research Institute, Agriculture Research Centre, Giza 12916, Egypt
| | - Jinyan Luo
- Department of Plant Quarantine, Shanghai Extension and Service Center of Agriculture Technology, Shanghai 201103, China;
| | - Temoor Ahmed
- State Key Laboratory of Rice Biology, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (E.I.); (T.A.)
| | - Wenge Wu
- Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230001, China;
| | - Chenqi Yan
- Institute of Biotechnology, Ningbo Academy of Agricultural Sciences, Ningbo 315040, China
| | - Bin Li
- State Key Laboratory of Rice Biology, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (E.I.); (T.A.)
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Abdelghany T, Hassan MM, El-Naggar MA. GC/MS analysis of Juniperus procera extract and its activity with silver nanoparticles against Aspergillus flavus growth and aflatoxins production. BIOTECHNOLOGY REPORTS (AMSTERDAM, NETHERLANDS) 2020; 27:e00496. [PMID: 32637346 PMCID: PMC7327896 DOI: 10.1016/j.btre.2020.e00496] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 06/08/2020] [Accepted: 06/24/2020] [Indexed: 02/04/2023]
Abstract
From ancient to currently, it has been hard to prevent the exposure to mycotoxigenic fungi, due to these fungi occurs naturally in the environment. This paper reports the antifungal activities of the Juniperus procera stem extract with silver nanoparticles (AgNPs) against Aspergillus flavus growth and aflatoxins production. Numerous constituents of J. procera extract were detected by GC/MS analysis. Methanolic extract at 30, 60 and 90 mg/mL inhibited the growth of A. flavus, where the inhibition reached to 50.86, 51.60 and 52.58 %. respectively while weak inhibition was observed using the aqueous extract. Growth of A. flavus was reduced using AgNPs, the highest inhibition 39.31 % was recorded at 100 ppm AgNPs. Synergistic activity was observed by applying 50 ppm of AgNPs with aqueous and methanolic extracts of J. procera . A reduction in aflatoxin B2 and G2 synthesis was observed using different concentrations of methanolic stems extract of J. procera particularly with AgNPs.
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Affiliation(s)
- T.M. Abdelghany
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Maryam M. Hassan
- Biology Department, Faculty of Science, Jazan University, Jazan, Saudi Arabia
| | - Medhat A. El-Naggar
- Agricultural Research Center, Plant Pathology Research Institute, Giza, Egypt
- National Research Central Lab., GSFMO, Riyadh, Saudi Arabia
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Zhang X, Li G, Wu D, Liu J, Wu Y. Recent advances on emerging nanomaterials for controlling the mycotoxin contamination: From detection to elimination. FOOD FRONTIERS 2020. [DOI: 10.1002/fft2.42] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Xianlong Zhang
- School of Food and Biological Engineering Shaanxi University of Science and Technology Xi'an China
| | - Guoliang Li
- School of Food and Biological Engineering Shaanxi University of Science and Technology Xi'an China
| | - Di Wu
- Institute for Global Food Security, School of Biological Sciences Queen's University Belfast Belfast United Kingdom
| | - Jianghua Liu
- School of Food and Biological Engineering Shaanxi University of Science and Technology Xi'an China
| | - Yongning Wu
- NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science China National Center for Food Safety Risk Assessment Beijing China
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41
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Moradi F, Sedaghat S, Moradi O, Arab Salmanabadi S. Review on green nano-biosynthesis of silver nanoparticles and their biological activities: with an emphasis on medicinal plants. INORG NANO-MET CHEM 2020. [DOI: 10.1080/24701556.2020.1769662] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Fatemeh Moradi
- Department of Chemistry, College of Science, Shahr-e-Qods Branch, Islamic Azad University, Shahr-e-Qods, Iran
| | - Sajjad Sedaghat
- Department of Chemistry, College of Science, Shahr-e-Qods Branch, Islamic Azad University, Shahr-e-Qods, Iran
| | - Omid Moradi
- Department of Chemistry, College of Science, Shahr-e-Qods Branch, Islamic Azad University, Shahr-e-Qods, Iran
| | - Samira Arab Salmanabadi
- Department of Chemistry, College of Science, Shahr-e-Qods Branch, Islamic Azad University, Shahr-e-Qods, Iran
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Screening and Molecular Docking of Novel Benzothiazole Derivatives as Potential Antimicrobial Agents. Antibiotics (Basel) 2020; 9:antibiotics9050221. [PMID: 32365587 PMCID: PMC7277330 DOI: 10.3390/antibiotics9050221] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/26/2020] [Accepted: 04/27/2020] [Indexed: 02/06/2023] Open
Abstract
The burden of antibiotic resistance necessitates a continued search for new antimicrobials. We evaluated the antimicrobial activities of novel benzothiazoles synthesized by our group. Antibacterial activity was evaluated in vitro in Staphylococcus aureus, Bacillus subtilis, and Escherichia coli, while the antifungal activity was tested in Candida albicans and Aspergillus niger, and expressed as the minimum inhibitory concentration (MIC; µg/mL). MIC values of benzothiazole compounds ranged from 25 to 200 µg/mL. Compounds 3 and 4 gave high antibacterial and moderate antifungal activities, while 10 and 12 showed moderate activity against all tested organisms. In addition, some benzothiazole compounds significantly suppressed the activity of Escherichia coli dihydroorotase and inhibited the dimorphic transition of Candida albicans. Moreover, the active benzothiazole compounds induced DNA and protein leakage in Aspergillus niger spores. Molecular interactions of benzothiazole derivatives with dihydroorotase revealed the formation of hydrogen bonds with the active site residues LEU222 or ASN44. Strong hydrophobic interactions of the bulky thiazole and naphthalene rings at the entrance to the active site might interfere with the access of substrates to their binding sites, which results in dihydroorotase inhibition. Thus, inhibition of dihydroorotase might contribute to the observed antimicrobial actions of these compounds.
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Shen T, Wang Q, Li C, Zhou B, Li Y, Liu Y. Transcriptome sequencing analysis reveals silver nanoparticles antifungal molecular mechanism of the soil fungi Fusarium solani species complex. JOURNAL OF HAZARDOUS MATERIALS 2020; 388:122063. [PMID: 31972432 DOI: 10.1016/j.jhazmat.2020.122063] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 01/08/2020] [Accepted: 01/08/2020] [Indexed: 06/10/2023]
Abstract
Silver nanoparticles (AgNPs) have been widely used in various fields due to their antimicrobial activities. However, the antimicrobial mechanisms of AgNPs against fungi, especially on transcriptional level, are still unclear. In this study, the inhibitory property of AgNPs against Fusarium solani species complex was investigated. Transmission electron microscopes were used to observe the alterations in morphology and cellular structure of fungal hyphae treated with AgNPs. Disturbances in the cell walls and membranes, as well as empty space in the cytoplasm were observed. The transcriptome sequencing of F. solani species complex mycelia was performed using the Illumina NextSeq 500 ribonucleic acid sequencing (RNA-Seq) platform. In the RNA-Seq study, AgNPs treatment resulted in 2503 differentially expressed genes (DEGs). Gene Ontology (GO) analysis revealed that the DEGs were mainly involved in 6 different terms. Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis also revealed that energy and substance metabolism, signal transduction and genetic information processing were the most highly enriched pathways for these DEGs. In addition, RNA-seq results were validated by quantitative polymerase chain reactions (qPCRs). Our findings enhanced the understanding of the antifungal activities of AgNPs and the underlying molecular mechanisms, and provided a new perspective for investigating this novel antifungal agent.
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Affiliation(s)
- Tianlin Shen
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, State Key Laboratory of Nutrition Resources Integrated Utilization, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Qiushuang Wang
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, State Key Laboratory of Nutrition Resources Integrated Utilization, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Chengliang Li
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, State Key Laboratory of Nutrition Resources Integrated Utilization, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Bo Zhou
- College of Life Sciences, Shandong Agricultural University, Tai'an, Shandong, 271018, China
| | - Yuhuan Li
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, State Key Laboratory of Nutrition Resources Integrated Utilization, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Yanli Liu
- National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources, State Key Laboratory of Nutrition Resources Integrated Utilization, College of Resources and Environment, Shandong Agricultural University, Tai'an, Shandong 271018, China.
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El Sayed MT, El-Sayed AS. Biocidal Activity of Metal Nanoparticles Synthesized by Fusarium solani against Multidrug-Resistant Bacteria and Mycotoxigenic Fungi. J Microbiol Biotechnol 2020; 30:226-236. [PMID: 31474084 PMCID: PMC9728364 DOI: 10.4014/jmb.1906.06070] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Antibiotic resistance by pathogenic bacteria and fungi is one of the most serious global public health problems in the 21st century, directly affecting human health and lifestyle. Pseudomonas aeruginosa and Staphylococcus aureus with strong resistance to the common antibiotics have been isolated from Intensive Care Unit patients at Zagazig Hospital. Thus, in this study we assessed the biocidal activity of nanoparticles of silver, copper and zinc synthesized by Fusarium solani KJ 623702 against these multidrug resistant-bacteria. The synthesized Metal Nano-particles (MNPs) were characterized by UV-Vis spectroscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction, and Zeta potential. The Fourier transform infrared spectroscopy (FTIR) result showed the presence of different functional groups such as carboxyl, amino and thiol, ester and peptide bonds in addition to glycosidic bonds that might stabilize the dispersity of MNPs from aggregation. The antimicrobial potential of MNPs by F. solani against the multidrug-resistant (MDR) P. aeruginosa and S. aureus in addition to the mycotoxigenic Aspergillus awamori, A. fumigatus and F. oxysporum was investigated, based on the visual growth by diameter of inhibition zone. Among the synthesized MNPs, the spherical AgNPs (13.70 nm) displayed significant effect against P. aeruginosa (Zone of Inhibition 22.4 mm and Minimum Inhibitory Concentration 21.33 µg/ml), while ZINC oxide Nano-Particles were the most effective against F. oxysporum (ZOI, 18.5 mm and MIC 24.7 µg/ml). Transmission Electron Microscope micrographs of AgNP-treated P. aeruginosa showed cracks and pits in the cell wall, with internalization of NPs. Production of pyocyanin pigment was significantly inhibited by AgNPs in a concentration-dependent manner, and at 5-20 µg of AgNPs/ml, the pigment production was reduced by about 15-100%, respectively.
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Affiliation(s)
- Manal T. El Sayed
- Botany and Microbiology Department, Faculty of Science, Zagazig University, 44519, Egypt
| | - Ashraf S.A. El-Sayed
- Botany and Microbiology Department, Faculty of Science, Zagazig University, 44519, Egypt,Corresponding author Phone: +201024686495 Fax: +55-230-8213 E-mail:
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Elsharawy K, Abou-Dobara M, El-Gammal H, Hyder A. Chitosan coating does not prevent the effect of the transfer of green silver nanoparticles biosynthesized by Streptomyces malachitus into fetuses via the placenta. Reprod Biol 2020; 20:97-105. [PMID: 32044208 DOI: 10.1016/j.repbio.2020.01.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/12/2020] [Accepted: 01/14/2020] [Indexed: 02/07/2023]
Abstract
Green synthesized nanoparticles are more advantageous over conventionally prepared ones due to less toxicity, production cost, and environmental hazards. With the widespread of the utilization of nanoparticles, little is known about the maternal-fetal transplacental transfer of green nanoparticles. We have biosynthesized silver nanoparticles using metabolites of Streptomyces malachitus and sunlight then coated them with chitosan. These nanoparticles have been characterized and intraperitoneally administered at doses of 100 mg/kg on the 6th, 8th, and 10th gestational days. On the 18th day of pregnancy, both coated and non-coted NPs were detected in different maternal tissues, placenta, and in fetuses, as determined by estimation of silver content and observation by electron microscopy. Chitosan coating decreased the silver content in different tissues, maybe due to the larger size of coated nanoparticles that retards the transfer. The toxic effects on maternal and fetal tissues were proportional to their silver content, as determined by the liver and kidney functional analysis of pregnant rats and the ultrastructural and histopathological examination of the maternal liver, placenta and fetal liver. The present data suggest that green silver nanoparticles biosynthesized by Streptomyces malachitus cross the placenta and have toxic effects on maternal tissues, placenta, and fetus. Chitosan coating of these nanoparticles decreases the transfer, and consequently, the toxicity. However, it does not prevent this toxicity.
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Affiliation(s)
- Khloud Elsharawy
- Departments of Zoology, Faculty of Science, Damietta University, Egypt
| | - Mohamed Abou-Dobara
- Departments of Botany & Microbiology, Faculty of Science, Damietta University, Egypt
| | - Hekmat El-Gammal
- Departments of Zoology, Faculty of Science, Damietta University, Egypt
| | - Ayman Hyder
- Departments of Zoology, Faculty of Science, Damietta University, Egypt.
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Restricting mycotoxins without killing the producers: a new paradigm in nano-fungal interactions. Appl Microbiol Biotechnol 2020; 104:2803-2813. [PMID: 32025763 DOI: 10.1007/s00253-020-10373-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 12/23/2019] [Accepted: 01/12/2020] [Indexed: 12/31/2022]
Abstract
Over the past several years, numerous studies have demonstrated the feasibility of using engineered nanoparticles as antifungals, especially against those fungal pathogens that produce mycotoxins and infect plants, animals, and humans. The high dosage of nanoparticles has been a concern in such antifungal applications due to the potential toxicological and ecotoxicological impacts. To address such concerns, we have recently introduced the idea of inhibiting mycotoxin biosynthesis using low doses of engineered nanoparticles. At such low doses these particles are minimally toxic to humans and the environment. From our studies we realize that for the effective use of nanotechnology to intervene in the biology of fungal pathogens and for an accurate evaluation of the impacts of the increasingly growing nanomaterials in the environment on fungi and their interacting biotic partners, there is a pressing need for a rigorous understanding of nano-fungal interactions, which is currently far from complete. In this minireview, we build on the available evidence from nano-bio interaction research and our recent interaction studies with Aspergillus cells and engineered silver nanoparticles to introduce a potential theoretical model for nano-fungal interactions. The aim of the proposed model is to provide an initial insight on how nanoparticle uptake and their transformation inside fungal cells, possibly influence the production of mycotoxins and other secondary metabolites of filamentous fungi .
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Ibrahim E, Zhang M, Zhang Y, Hossain A, Qiu W, Chen Y, Wang Y, Wu W, Sun G, Li B. Green-Synthesization of Silver Nanoparticles Using Endophytic Bacteria Isolated from Garlic and Its Antifungal Activity against Wheat Fusarium Head Blight Pathogen Fusarium Graminearum. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E219. [PMID: 32012732 PMCID: PMC7074875 DOI: 10.3390/nano10020219] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 01/23/2020] [Accepted: 01/24/2020] [Indexed: 12/31/2022]
Abstract
Nanoparticles are expected to play a vital role in the management of future plant diseases, and they are expected to provide an environmentally friendly alternative to traditional synthetic fungicides. In the present study, silver nanoparticles (AgNPs) were green synthesized through the mediation by using the endophytic bacterium Pseudomonas poae strain CO, which was isolated from garlic plants (Allium sativum). Following a confirmation analysis that used UV-Vis, we examined the in vitro antifungal activity of the biosynthesized AgNPs with the size of 19.8-44.9 nm, which showed strong inhibition in the mycelium growth, spore germination, the length of the germ tubes, and the mycotoxin production of the wheat Fusarium head blight pathogen Fusarium graminearum. Furthermore, the microscopic examination showed that the morphological of mycelia had deformities and collapsed when treated with AgNPs, causing DNA and proteins to leak outside cells. The biosynthesized AgNPs with strong antifungal activity were further characterized based on analyses of X-ray diffraction, transmission electron microscopy, scanning electron microscopy, EDS profiles, and Fourier transform infrared spectroscopy. Overall, the results from this study clearly indicate that the biosynthesized AgNPs may have a great potential in protecting wheat from fungal infection.
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Affiliation(s)
- Ezzeldin Ibrahim
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (E.I.); (M.Z.); (Y.Z.); (A.H.); (W.Q.); (Y.C.)
- Department of Vegetable Diseases Research, Plant Pathology Research Institute, Agriculture Research Centre, Giza 12916, Egypt
| | - Muchen Zhang
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (E.I.); (M.Z.); (Y.Z.); (A.H.); (W.Q.); (Y.C.)
| | - Yang Zhang
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (E.I.); (M.Z.); (Y.Z.); (A.H.); (W.Q.); (Y.C.)
| | - Afsana Hossain
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (E.I.); (M.Z.); (Y.Z.); (A.H.); (W.Q.); (Y.C.)
- Department of Plant Pathology and Seed Science, Sylhet Agricultural University, Sylhet 3100, Bangladesh
| | - Wen Qiu
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (E.I.); (M.Z.); (Y.Z.); (A.H.); (W.Q.); (Y.C.)
| | - Yun Chen
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (E.I.); (M.Z.); (Y.Z.); (A.H.); (W.Q.); (Y.C.)
| | - Yanli Wang
- State Key Laboratory for Quality and Safety of Agro-products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China;
| | - Wenge Wu
- Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230001, China
| | - Guochang Sun
- State Key Laboratory for Quality and Safety of Agro-products, Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China;
| | - Bin Li
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (E.I.); (M.Z.); (Y.Z.); (A.H.); (W.Q.); (Y.C.)
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Bakri MM, El-Naggar MA, Helmy EA, Ashoor MS, Abdel Ghany TM. Efficacy of Juniperus procera Constituents with Silver Nanoparticles Against Aspergillus fumigatus and Fusarium chlamydosporum. BIONANOSCIENCE 2020. [DOI: 10.1007/s12668-019-00716-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Das P, Karankar VS. New avenues of controlling microbial infections through anti-microbial and anti-biofilm potentials of green mono-and multi-metallic nanoparticles: A review. J Microbiol Methods 2019; 167:105766. [PMID: 31706910 DOI: 10.1016/j.mimet.2019.105766] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 10/31/2019] [Accepted: 10/31/2019] [Indexed: 12/19/2022]
Abstract
Nanoparticles synthesized through the green route deserve special mention because this green technology is not only energy-efficient and cost-effective but also amenable to the environment. Various biological resources have been used for the generation of these 'green nanoparticles'. Biological wastes have also been focused in this direction thereby promoting the value of waste. Reports indicate that green nanoparticles exhibit remarkable antimicrobial activitiesboth singly as well as in combination with standard antibiotics. The current phenomenon of multi-drug resistance has resulted due to indiscriminate administration of high-doses of antibiotics followed by significant toxicity. In the face of this emergence of drug-resistant microbesthe efficacy of green nanoparticles might prove greatly beneficial. Microbial biofilm is another hurdle in the effective treatment of diseases as the microorganismsbeing embedded in the meshwork of the biofilmevade the antimicrobial agents. Nanoparticles may act as a ray of hope on the face of this challenge tooas they not only destroy the biofilms but also lessen the doses of antibiotics requiredwhen administered in combination with the nanoparticles. It should be further noted that the resistance mechanisms exhibited by the microorganisms seem not that relevant for nanoparticles. The current review, to the best of our knowledgefocuses on the structures of these green nanoparticles along with their biomedical potentials. It is interesting to note how a variety of structures are generated by using resources like microbes or plants or plant products and how the structure affects their activities. This study might pave the way for further development in this arena and future work may be taken up in identifying the detailed mechanism by which 'green' synthesis empowers nanoparticles to kill pathogenic microbes.
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Affiliation(s)
- Palashpriya Das
- National Institute of Pharmaceutical Education and Research, Hajipur 844102, Bihar, India.
| | - Vijayshree S Karankar
- National Institute of Pharmaceutical Education and Research, Hajipur 844102, Bihar, India
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