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Nayaka S, Chakraborty B, Bhat MP, Nagaraja SK, Airodagi D, Swamy PS, Rudrappa M, Hiremath H, Basavarajappa DS, Kanakannanavar B. Biosynthesis, characterization, and in vitro assessment on cytotoxicity of actinomycete-synthesized silver nanoparticles on Allium cepa root tip cells. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2020. [DOI: 10.1186/s43088-020-00074-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The industrial production of silver nanoparticles (AgNPs) and its commercial applications are being considerably increased in recent times, resulting in the release of AgNPs in the environment and enhanced probability of contaminations and their adverse effects on living systems. Based on this, the present study was conducted to evaluate the in vitro cytotoxicity of actinomycete-synthesized AgNPs on Allium cepa (A. cepa) root tip cells. A green synthesis method was employed for biosynthesis of AgNPs from Streptomyces sp. NS-33. However, morphological, physiological, biochemical, and molecular analysis were carried out to characterize the strain NS-33. Later, the synthesized AgNPs were characterized and antibacterial activity was also carried out against pathogenic bacteria. Finally, cytotoxic activity was evaluated on A. cepa root tip cells.
Results
Results showed the synthesis of spherical and polydispersed AgNPs with a characteristic UV-visible (UV-Vis.) spectral peak at 397 nm and average size was 32.40 nm. Energy dispersive spectroscopy (EDS) depicted the presence of silver, whereas Fourier transform infrared (FTIR) studies indicated the presence of various functional groups. The phylogenetic relatedness of Streptomyces sp. NS-33 was found with Streptomyces luteosporeus through gene sequencing. A good antibacterial potential of AgNPs was observed against two pathogenic bacteria. Concerning cytotoxicity, a gradually decreased mitotic index (MI) and increased chromosomal aberrations were observed along with the successive increase of AgNPs concentration.
Conclusions
Therefore, the release of AgNPs into the environment must be prevented, so that it cannot harm plants and other beneficial microorganisms.
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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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Kumar H, Bhardwaj K, Dhanjal DS, Nepovimova E, Șen F, Regassa H, Singh R, Verma R, Kumar V, Kumar D, Bhatia SK, Kuča K. Fruit Extract Mediated Green Synthesis of Metallic Nanoparticles: A New Avenue in Pomology Applications. Int J Mol Sci 2020; 21:E8458. [PMID: 33187086 PMCID: PMC7697565 DOI: 10.3390/ijms21228458] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 10/30/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023] Open
Abstract
Fruit extracts have natural bioactive molecules that are known to possess significant therapeutic potential. Traditionally, metallic nanoparticles were synthesized via chemical methods, in which the chemical act as the reducing agent. Later, these traditional metallic nanoparticles emerged as the biological risk, which prompted researchers to explore an eco-friendly approach. There are different eco-friendly methods employed for synthesizing these metallic nanoparticles via the usage of microbes and plants, primarily via fruit extract. These explorations have paved the way for using fruit extracts for developing nanoparticles, as they eliminate the usage of reducing and stabilizing agents. Metallic nanoparticles have gained significant attention, and are used for diverse biological applications. The present review discusses the potential activities of phytochemicals, and it intends to summarize the different metallic nanoparticles synthesized using fruit extracts and their associated pharmacological activities like anti-cancerous, antimicrobial, antioxidant and catalytic efficiency.
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Affiliation(s)
- Harsh Kumar
- Food Technology Department, School of Bioengineering and Food Technology, Shoolini University of Biotechnology and Management Sciences, Solan 173229, Himachal Pradesh, India;
| | - Kanchan Bhardwaj
- Botany Department, School of Biological and Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan 173229, Himachal Pradesh, India; (K.B.); (R.V.)
| | - Daljeet Singh Dhanjal
- Biotechnology Department, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144411, Punjab, India; (D.S.D.); (R.S.)
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50003 Hradec Kralove, Czech Republic;
| | - Fatih Șen
- Sen Research Group, Biochemistry Department, Faculty of Arts and Science, Dumlupınar University, Evliya Çelebi Campus, 43100 Kütahya, Turkey;
| | - Hailemeleak Regassa
- Biotechnology Department, Applied Sciences and Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan 173229, Himachal Pradesh, India;
| | - Reena Singh
- Biotechnology Department, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara 144411, Punjab, India; (D.S.D.); (R.S.)
| | - Rachna Verma
- Botany Department, School of Biological and Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan 173229, Himachal Pradesh, India; (K.B.); (R.V.)
| | - Vinod Kumar
- School of Water, Energy and Environment, Cranfield University, Cranfield MK430AL, UK;
| | - Dinesh Kumar
- Food Technology Department, School of Bioengineering and Food Technology, Shoolini University of Biotechnology and Management Sciences, Solan 173229, Himachal Pradesh, India;
| | - Shashi Kant Bhatia
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Korea
| | - Kamil Kuča
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50003 Hradec Kralove, Czech Republic;
- Biomedical Research Center, University Hospital Hradec Kralove, 50005 Hradec Kralove, Czech Republic
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104
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Das G, Shin HS, Kumar A, Vishnuprasad CN, Patra JK. Photo-mediated optimized synthesis of silver nanoparticles using the extracts of outer shell fibre of Cocos nucifera L. fruit and detection of its antioxidant, cytotoxicity and antibacterial potential. Saudi J Biol Sci 2020; 28:980-987. [PMID: 33424390 PMCID: PMC7785444 DOI: 10.1016/j.sjbs.2020.11.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 10/30/2020] [Accepted: 11/01/2020] [Indexed: 11/22/2022] Open
Abstract
Presently, photo-mediated optimized synthesis of SNPs (CS-AgNPs) was carried out with the help of aqueous extracts of coconut (Cocos nucifera) outer shell fibre. Green synthesis of CS-AgNPs was undertaken under laboratory light conditions and characterized by several standard techniques such as UV–visible spectrophotometer (UV–Vis), X-ray diffraction pattern (XRD), Fourier transform infrared (FT-IR), and scanning electron microscopy (SEM) images and energy dispersive spectroscopy (EDX). UV–Vis spectra displayed a surface plasmon resonance peak at 468 nm equivalent to CS-AgNPs, and the FT-IR spectra confirmed the association of biological molecules from the extract in the synthesis process. The SEM image data confirmed the round and circular nature of CS-AgNPs. The EDX data presented the elemental configuration with a solid peak at 3 KeV that matched with the Ag. The synthesized CS-AgNPs exhibited substantial cytotoxicity potential against the HepG2 cells with (effective concentration (IC50) value of 15.28 µg/ml along with robust antioxidant potential, with respect to its 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging (IC50 of 96.39 µg/ml) and reducing assay (IC0.5 of 209.96 µg/ml). The CS-AgNPs demonstrated encouraging antimicrobial potential against four different pathogenic bacteria and one Candida sp. with inhibition zone diameter ranged between 8.87 and 13.07 mm. Overall, the existing investigation suggested that CS-AgNPs can be an attractive, cost-effective, and environment-friendly candidate for its possible uses in the food, cosmetics, and therapeutic fields.
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Affiliation(s)
- Gitishree Das
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, Goyang-si 10326, Republic of Korea
| | - Han-Seung Shin
- Department of Food Science & Biotechnology, Dongguk University-Seoul, Goyang-si 10326, Republic of Korea
| | - Anuj Kumar
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Chethala N. Vishnuprasad
- Centre for Ayurveda Biology and Holistic Nutrition, The University of Trans-Disciplinary Health Sciences and Technology (TDU), Bengaluru 560064, India
| | - Jayanta Kumar Patra
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, Goyang-si 10326, Republic of Korea
- Corresponding author.
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105
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Attenuation of hepatic and breast cancer cells by Polygonatum verticillatum embedded silver nanoparticles. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101863] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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106
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Characterization of biogenically synthesized silver nanoparticles for therapeutic applications and enzyme nanocomplex generation. 3 Biotech 2020; 10:462. [PMID: 33088659 DOI: 10.1007/s13205-020-02450-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 09/21/2020] [Indexed: 12/30/2022] Open
Abstract
The present study describes green synthesis of silver nanoparticles (AgNPs) and inulin hydrolyzing enzyme nanocomplexes (ENC) using Azadirachta indica (Ai) and Punica granatum (Pg) leaf extracts. Surface topology and physico-chemical characteristics of AgNPs were studied using surface plasmon resonance (SPR), FTIR, SEM, AFM and EDX analyses. Particle size analysis using dynamic light scattering and AFM studies revealed that Ai-AgNPs (76.4 nm) were spherical in shape having central bigger nano-regime with smaller surroundings while Pg-AgNPs (72.1 nm) and ENCs (Inulinase-Pg-AgNPs ~ 145 nm) were spherical particles having smooth surfaces. Pg-AgNPs exhibited significant photocatalysis of a thiazine dye, methylene blue. Both Ai- and Pg-AgNPs showed selective antibacterial action by inhibiting pathogenic Bacillus cereus, while the probiotic Lactobacillus strains remained unaffected. Ai-AgNPs showed potential anti-biofilm effect (30% viability) on B. cereus biofilms. Pg-AgNPs showed anti-cancer effect against human colon cancer cell lines (Caco-2) resulting in 40% cell death in 48 h. Enzymes (inulinase, L-asparaginase and glucose oxidase) were successfully immobilized onto nanoparticles together with the biogenic synthesis of AgNPs and recyclability of the Inulinase-Pg-AgNPs complex was demonstrated. The study elaborates characteristics of green synthesized nanoparticles and their potential applications as anti-cancer, antibacterial and antioxidant nano drugs that could be used in food and nutraceutical industries. Enzyme immobilization on AgNPs without any toxic cross-linker opens up newer possibilites in enzyme-nanocomplex research.
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107
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Abbasi BA, Iqbal J, Kiran F, Ahmad R, Kanwal S, Munir A, Uddin S, Nasir JA, Chalgham W, Mahmood T. Green formulation and chemical characterizations of Rhamnella gilgitica aqueous leaves extract conjugated NiONPs and their multiple therapeutic properties. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128490] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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108
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Antibacterial performance of GO–Ag nanocomposite prepared via ecologically safe protocols. APPLIED NANOSCIENCE 2020. [DOI: 10.1007/s13204-020-01539-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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109
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Das CA, Kumar VG, Dhas TS, Karthick V, Govindaraju K, Joselin JM, Baalamurugan J. Antibacterial activity of silver nanoparticles (biosynthesis): A short review on recent advances. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101593] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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110
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Yu R, Wu Z, Wang S, Zhang M, Zhou G, Li B. Isolation, identification and characterization of propionic acid bacteria associated with autistic spectrum disorder. Microb Pathog 2020; 147:104371. [PMID: 32634613 DOI: 10.1016/j.micpath.2020.104371] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 06/28/2020] [Accepted: 06/29/2020] [Indexed: 01/25/2023]
Abstract
Autism spectrum disorder (ASD) seriously affects children's health. Recently, propionic acid (PA) has been reported to play a significant role in the formation of ASD. In this study, we investigated the community structure of PA-related bacteria in healthy and ASD children by isolation and culture, while a group of representative PA-related bacteria were identified and characterized based on colony morphological observation, physiological and biochemical tests, as well as living/dead cells staining analysis and 16S rRNA gene sequencing. The results showed that the number of PA-related bacteria in healthy children was >100-fold higher than that in ASD children, while compared to healthy children, greater diversity was found in PA-associated bacteria from ASD children. The sensitivity of the representative strains to PA was affected by bacterial species, PA concentration and incubation time. The decrease of pH value was found in PA-resistant Lactobacillus plantarum strain 6-1 but not in PA-sensitive Enterococcus lactis strain 4-1, while biofilm formation of both strains were unaffected by PA. Furthermore, PA inhibited the propagation of the two selected bacteria rather than killed them, while the greater inhibitory effect was observed on strain 4-1. Overall, the result is of great significance for revealing the role of PA-related bacteria in development of ASD.
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Affiliation(s)
- Rongrong Yu
- College of Education, Zhejiang University of Technology, Hangzhou, 310032, China.
| | - Zhifeng Wu
- Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China.
| | - Shuhui Wang
- College of Education, Zhejiang University of Technology, Hangzhou, 310032, China.
| | - Muchen Zhang
- Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China.
| | - Guoling Zhou
- Hangzhou Seventh People's Hospital (HSPH), Hangzhou, 310013, China.
| | - Bin Li
- Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China.
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111
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Wypij M, Jędrzejewski T, Ostrowski M, Trzcińska J, Rai M, Golińska P. Biogenic Silver Nanoparticles: Assessment of Their Cytotoxicity, Genotoxicity and Study of Capping Proteins. Molecules 2020; 25:E3022. [PMID: 32630696 PMCID: PMC7412363 DOI: 10.3390/molecules25133022] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 06/30/2020] [Accepted: 07/01/2020] [Indexed: 02/02/2023] Open
Abstract
The development of nanotechnology in the last two decades has led to the use of silver nanoparticles (AgNPs) in various biomedical applications, including antimicrobial, anti-inflammatory, and anticancer therapies. However, the potential of the medical application of AgNPs depends on the safety of their use. In this work, we assessed the in vitro cytotoxicity and genotoxicity of silver nanoparticles and identified biomolecules covering AgNPs synthesized from actinobacterial strain SH11. The cytotoxicity of AgNPs against MCF-7 human breast cancer cell line and murine macrophage cell line RAW 264.7 was studied by MTT assay, cell LDH (lactate dehydrogenase) release, and the measurement of ROS (reactive oxygen species) level while genotoxicity in Salmonella typhimurium cells was testing using the Ames test. The in vitro analysis showed that the tested nanoparticles demonstrated dose-dependent cytotoxicity against RAW 264.6 macrophages and MCF-7 breast cancer cells. Moreover, biosynthesized AgNPs did not show a mutagenic effect of S. typhimurium. The analyses and identification of biomolecules present on the surface of silver nanoparticles showed that they were associated with proteins. The SDS-PAGE (sodium dodecyl sulfate-polyacrylamide gel electrophoresis) analysis revealed the presence of 34 and 43 kDa protein bands. The identification of proteins performed by using LC-MS/MS (liquid chromatography with tandem mass spectrometry) demonstrated their highest homology to bacterial porins. Capping biomolecules of natural origin may be involved in the synthesis process of AgNPs or may be responsible for their stabilization. Moreover, the presence of natural proteins on the surface of bionanoparticles eliminates the postproduction steps of capping which is necessary for chemical synthesis to obtain the stable nanostructures required for application in medicine.
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Affiliation(s)
- Magdalena Wypij
- Department of Microbiology, Nicolaus Copernicus University, Lwowska 1, 87100 Torun, Poland;
| | - Tomasz Jędrzejewski
- Department of Immunology, Nicolaus Copernicus University, Lwowska 1, 87100 Torun, Poland;
| | - Maciej Ostrowski
- Department of Biochemistry, Nicolaus Copernicus University, Lwowska 1, 87100 Torun, Poland;
| | - Joanna Trzcińska
- Department of Microbiology, Nicolaus Copernicus University, Lwowska 1, 87100 Torun, Poland;
| | - Mahendra Rai
- Nanobiotechnology Lab., Department of Biotechnology, SGB Amravati University, Amravati, Maharashtra 444602, India;
| | - Patrycja Golińska
- Department of Microbiology, Nicolaus Copernicus University, Lwowska 1, 87100 Torun, Poland;
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112
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Ali MA, Ahmed T, Wu W, Hossain A, Hafeez R, Islam Masum MM, Wang Y, An Q, Sun G, Li B. Advancements in Plant and Microbe-Based Synthesis of Metallic Nanoparticles and Their Antimicrobial Activity against Plant Pathogens. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1146. [PMID: 32545239 PMCID: PMC7353409 DOI: 10.3390/nano10061146] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 05/31/2020] [Accepted: 06/04/2020] [Indexed: 02/02/2023]
Abstract
A large number of metallic nanoparticles have been successfully synthesized by using different plant extracts and microbes including bacteria, fungi viruses and microalgae. Some of these metallic nanoparticles showed strong antimicrobial activities against phytopathogens. Here, we summarized these green-synthesized nanoparticles from plants and microbes and their applications in the control of plant pathogens. We also discussed the potential deleterious effects of the metallic nanoparticles on plants and beneficial microbial communities associated with plants. Overall, this review calls for attention regarding the use of green-synthesized metallic nanoparticles in controlling plant diseases and clarification of the risks to plants, plant-associated microbial communities, and environments before using them in agriculture.
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Affiliation(s)
- Md. Arshad Ali
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (M.A.A.); (T.A.); (A.H.); (R.H.); (Q.A.)
| | - Temoor Ahmed
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (M.A.A.); (T.A.); (A.H.); (R.H.); (Q.A.)
| | - Wenge Wu
- Rice Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230001, China
| | - 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, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (M.A.A.); (T.A.); (A.H.); (R.H.); (Q.A.)
- Department of Plant Pathology and Seed Science, Sylhet Agricultural University, Sylhet 3100, Bangladesh
| | - Rahila Hafeez
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (M.A.A.); (T.A.); (A.H.); (R.H.); (Q.A.)
| | - Md. Mahidul Islam Masum
- Department of Plant Pathology, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh;
| | - Yanli Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China;
| | - Qianli An
- State Key Laboratory of Rice Biology and Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (M.A.A.); (T.A.); (A.H.); (R.H.); (Q.A.)
| | - Guochang Sun
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, 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, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China; (M.A.A.); (T.A.); (A.H.); (R.H.); (Q.A.)
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Adnan M, Obyedul Kalam Azad M, Madhusudhan A, Saravanakumar K, Hu X, Wang MH, Ha CD. Simple and cleaner system of silver nanoparticle synthesis using kenaf seed and revealing its anticancer and antimicrobial potential. NANOTECHNOLOGY 2020; 31:265101. [PMID: 32143194 DOI: 10.1088/1361-6528/ab7d72] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The clean and eco-friendly synthesis of silver nanoparticles (AgNPs) has provided promising characteristics with impressive biomedical related potential. Here, we have employed a green process for the synthesis of AgNPs using kenaf seed (KS) extract as a bilateral mediator for reducing and capping of Ag+ ions under hydrothermal condition. The synthesis pathways, such as varying amounts of KS, Ag ion concentration and autoclaving time were optimized. The manifestation of a strong absorption peak from 420-430 nm in UV-vis spectroscopy indicated the successful synthesis of KS@AgNPs. Fourier transform infrared spectroscopy confirmed the presence of hydroxyl and carbonyl functionalities involved in the reduction and stabilization of Ag+ ions. Furthermore, transmission electron microscopy revealed that the KS@AgNPs are spherical in shape having a size around 7-11 nm, whereas high-quality crystals were evidenced by x-ray diffraction analysis. Moreover, inductively coupled plasma-optical emission spectrometry revealed that 19.6 μg l-1 of Ag+ ions were released from the KS@AgNPs. In cell line studies, KS@AgNPs at a higher dose were shown to be non-toxic to the healthy (NIH3T3) cells, while strong anti-proliferative response was found in the case of lung cancer (A549) cells. Furthermore, a significant zone of inhibition was observed for both Gram-positive and Gram-negative microorganisms, and a combination of KS@AgNPs with ampicillin revealed a notable synergistic anti-pathogenic effect. Overall, our study proved the potentiality of KS as an efficient bio-resource for the synthesis of AgNPs and also its original feature as an anti-cancer and antimicrobial agent.
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Affiliation(s)
- Md Adnan
- Department of Bio-Health Technology, College of Biomedical Science, Kangwon National University, 1 Kangwon daehakgil, Chuncheon-si, Kangwon-do 24341, Republic of Korea. Institute of Kenaf Co., Ltd., Chuncheon 24341, Republic of Korea
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114
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Okaiyeto K, Hoppe H, Okoh AI. Plant-Based Synthesis of Silver Nanoparticles Using Aqueous Leaf Extract of Salvia officinalis: Characterization and its Antiplasmodial Activity. J CLUST SCI 2020. [DOI: 10.1007/s10876-020-01766-y] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
AbstractIn the present study, an aqueous leaf extract of Salvia officinalis was used to synthesize silver nanoparticles (AgNPs) and characterized with different techniques such as UV–vis spectroscopy, Fourier transform infrared (FTIR), X-ray diffraction (XRD), Scanning electron microscope (SEM), Energy dispersive X-ray spectroscopy (EDX), Transmission electron microscope (TEM) and thermogravimetric analysis (TGA). Subsequently, its cytotoxic effect against human cervix adenocarcinoma (HeLa) cells and antiplasmodial activity against Plasmodium falciparum were investigated. UV–vis spectrum of AgNPs displayed an absorption peak at 323 nm and TEM result revealed it to be spherical in shape with average size of 41 nm. FTIR results highlighted the key bioactive compounds that could be responsible for the reduction and capping of AgNPs and XRD analysis showed its crystalline nature with a face-centered cubic (fcc) structure. The synthesized AgNPs was found to be less cytotoxic against HeLa cells line and demonstrated good antiplasmodial potential (IC50 = 3.6 µg/mL). Findings from this study indicated that the AgNPs could serve as a template in the development of new drugs for the control of malaria and hence, further study is needed to identify and characterize the potent molecules that suppress the malaria parasite.
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115
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Renuka R, Devi KR, Sivakami M, Thilagavathi T, Uthrakumar R, Kaviyarasu K. Biosynthesis of silver nanoparticles using phyllanthus emblica fruit extract for antimicrobial application. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101567] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Ahmed T, Shahid M, Noman M, Niazi MBK, Mahmood F, Manzoor I, Zhang Y, Li B, Yang Y, Yan C, Chen J. Silver Nanoparticles Synthesized by Using Bacillus cereus SZT1 Ameliorated the Damage of Bacterial Leaf Blight Pathogen in Rice. Pathogens 2020; 9:E160. [PMID: 32110981 PMCID: PMC7157244 DOI: 10.3390/pathogens9030160] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 02/15/2020] [Accepted: 02/20/2020] [Indexed: 01/24/2023] Open
Abstract
Amongst serious biotic factors deteriorating crop yield, the most destructive pathogen of rice is Xanthomonas oryzae pv. oryzae (Xoo), which causes bacterial leaf blight (BLB) disease. This study involved targeted use of biogenic silver nanoparticles (AgNPs) to control BLB in order to cope with the disadvantages of chemical disease control. AgNPs were biologically synthesized from natively isolated Bacillus cereus strain SZT1, which was identified through 16S rRNA gene sequence analysis. Synthesis of AgNPs in bacterial culture supernatant was confirmed through UV-VIS spectroscopy. Fourier transform infrared spectroscopy (FTIR) confirmed that the existence of AgNPs was stabilized with proteins and alcoholic groups. X-ray diffraction (XRD) data revealed the crystalline nature and imaging with scanning electron microscopy (SEM) and transmission electron microscopy (TEM), showing the spherical shape of AgNPs with particle sizes ranging from 18 to 39 nm. The silver presence in AgNPs was further confirmed by energy dispersive spectra. Biogenic AgNPs showed substantial antibacterial activity (24.21 ± 1.01 mm) for Xoo. In a pot experiment, AgNPs were found to be effective weapons for BLB by significantly increasing the plant biomass with a decreased cellular concentration of reactive oxygen species and increased concentration of antioxidant enzyme activity.
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Affiliation(s)
- Temoor Ahmed
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (T.A.); (M.N.); (Y.Z.); (B.L.)
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad 38000, Pakistan;
| | - Muhammad Shahid
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad 38000, Pakistan;
| | - Muhammad Noman
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (T.A.); (M.N.); (Y.Z.); (B.L.)
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad 38000, Pakistan;
| | - Muhammad Bilal Khan Niazi
- School of Chemical and Materials Engineering (SCME), National University of Sciences & Technology (NUST), Sector H-12, Islamabad 44000, Pakistan;
| | - Faisal Mahmood
- Department of Environmental Science and Engineering, Government College University, Faisalabad 38000, Pakistan;
| | - Irfan Manzoor
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad 38000, Pakistan;
| | - Yang Zhang
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (T.A.); (M.N.); (Y.Z.); (B.L.)
| | - Bin Li
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China; (T.A.); (M.N.); (Y.Z.); (B.L.)
| | - Yong Yang
- State Key Laboratory for Quality and Safety of Agro-Products, Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China;
| | - Chengqi Yan
- Institute of Plant Virology, Ningbo University, Ningbo 315211, China;
| | - Jianping Chen
- State Key Laboratory for Quality and Safety of Agro-Products, Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China;
- Institute of Plant Virology, Ningbo University, Ningbo 315211, China;
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117
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Vanti GL, Kurjogi M, Basavesha K, Teradal NL, Masaphy S, Nargund VB. Synthesis and antibacterial activity of solanum torvum mediated silver nanoparticle against Xxanthomonas axonopodis pv.punicae and Ralstonia solanacearum. J Biotechnol 2020; 309:20-28. [DOI: 10.1016/j.jbiotec.2019.12.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/28/2019] [Accepted: 12/15/2019] [Indexed: 02/07/2023]
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118
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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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119
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Madivoli ES, Kareru PG, Gachanja AN, Mugo SM, Makhanu DS, Wanakai SI, Gavamukulya Y. Facile Synthesis of Silver Nanoparticles Using Lantana trifolia Aqueous Extracts and Their Antibacterial Activity. J Inorg Organomet Polym Mater 2020. [DOI: 10.1007/s10904-019-01432-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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120
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Emblica officinalis (Amla) with a Particular Focus on Its Antimicrobial Potentials: A Review. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2019. [DOI: 10.22207/jpam.13.4.11] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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121
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Chatha SAS, Asgher M, Asgher R, Hussain AI, Iqbal Y, Hussain SM, Bilal M, Saleem F, Iqbal HMN. Environmentally responsive and anti-bugs textile finishes - Recent trends, challenges, and future perspectives. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 690:667-682. [PMID: 31301507 DOI: 10.1016/j.scitotenv.2019.06.520] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 06/24/2019] [Accepted: 06/30/2019] [Indexed: 02/08/2023]
Abstract
Bugs, such as microorganisms and insects, are present in the environment and sometimes can be health-hazardous if the living environment is not maintained following proper hygienic regulations. In the present scenario of increasing public awareness, environmental consciousness, and growing demand for easy-care, and disinfected textiles, the manufacturing of protective and easy-to-care textiles has become a key necessity of the modern world. Comfortable, clean, hygienic, antimicrobial, and insect repelling properties of textile goods are gaining the accelerating research momentum as a basic requirement to produce multifunctional textiles. These functional finishes have numerous applications such as in-home textiles, bed nets, and tenting, camping gear as well as in military uniforms. Synthetic antimicrobial and insect repellents are quite effective against insects and microscopic organisms but are slightly toxic to the human being and the environment. To overcome these problems, researchers are considering natural agents for functional finishes, but their effectiveness is less durable to textile material. Besides needful advantages, the excessive use of dyes in finishing processes heavily required washing cycles and ultimately release various types of hazardous dyes or wasteful effluents in the environment. This review reports the chemical composition and recent developments in textile finishes, particularly antimicrobial and insect repellent textile finishes. A large number of commonly used antimicrobial agents (i.e. chitosan, zwitterionic compounds, silver and silver-based compounds, titanium dioxide nanoparticles, imidazolium salts, triclosan and quaternary ammonium salts) and insect repellent textile finishes (i.e. N‑N‑diethyl‑m‑toluamide, permethrin, cypermethrin, pyrethrum, picaridin, bioallethrin, citriodiol and essential oils) have been presented. Finally, the review is wrapped up with major research gaps/challenges, concluding remarks, and future opportunities in this area of research.
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Affiliation(s)
| | - Muhammad Asgher
- Department of Biochemistry, University of Agriculture Faisalabad, Pakistan
| | - Rabbia Asgher
- Department of Chemistry, University of Agriculture, Faisalabad 38030, Pakistan
| | | | - Yasir Iqbal
- Department of Chemistry, Government College University Faisalabad, 38000, Pakistan
| | | | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Faizan Saleem
- Department of Chemistry, Government College University Faisalabad, 38000, Pakistan
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L. CP 64849, Mexico.
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122
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Hossain MM, Polash SA, Takikawa M, Shubhra RD, Saha T, Islam Z, Hossain S, Hasan MA, Takeoka S, Sarker SR. Investigation of the Antibacterial Activity and in vivo Cytotoxicity of Biogenic Silver Nanoparticles as Potent Therapeutics. Front Bioeng Biotechnol 2019; 7:239. [PMID: 31649922 PMCID: PMC6794407 DOI: 10.3389/fbioe.2019.00239] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Accepted: 09/11/2019] [Indexed: 11/13/2022] Open
Abstract
Biogenic nanoparticles are the smartest weapons to deal with the multidrug-resistant "superbugs" because of their broad-spectrum antibacterial propensity as well as excellent biocompatibility. The aqueous biogenic silver nanoparticles (Aq-bAgNPs) and ethanolic biogenic silver nanoparticles (Et-bAgNPs) were synthesized using aqueous and ethanolic extracts of Andrographis paniculata stem, respectively, as reducing agents. Electron microscopic images confirmed the synthesis of almost spherical shaped biogenic silver nanoparticles (bAgNPs). The zeta potentials of the nanoparticles were negative and were -22 and -26 mV for Aq-bAgNPs and Et-bAgNPs, respectively. The antibacterial activity of bAgNPs was investigated against seven pathogenic (i.e., enteropathogenic Escherichia coli, Salmonella typhi, Staphylococcus aureus, Vibrio cholerae, Enterococcus faecalis, Hafnia alvei, Acinetobacter baumannii) and three nonpathogenic (i.e., E. coli DH5α, E. coli K12, and Bacillus subtilis) bacteria at different time points (i.e., 12, 16, 20, and 24 h) in a dose-dependent manner (i.e., 20, 40, and 60 μg) through broth dilution assay, disk diffusion assay, CellToxTM Green uptake assay, and trypan blue dye exclusion assay. The lowest minimum inhibitory concentration value for both the bAgNPs was 0.125 μg. Et-bAgNPs showed the highest antibacterial activity against S. aureus at 60 μg after 16 h and the diameter of inhibited zone was 28 mm. Lipid peroxidation assay using all the bacterial strains revealed the formation of malondialdehyde-thiobarbituric acid adduct due to the oxidation of cell membrane fatty acids by bAgNPs. The bAgNPs showed excellent hemocompatibility against human as well as rat red blood cells. Furthermore, there was no significant toxicity observed when the levels of rat serum ALT, AST, γ-GT (i.e., liver function biomarkers), and creatinine (i.e., kidney function biomarker) were determined.
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Affiliation(s)
- Md Monir Hossain
- Department of Biotechnology and Genetic Engineering, Jahangirnagar University, Dhaka, Bangladesh
| | - Shakil Ahmed Polash
- Department of Biotechnology and Genetic Engineering, Jahangirnagar University, Dhaka, Bangladesh
| | - Masato Takikawa
- Department of Advanced Science and Engineering, Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Razib Datta Shubhra
- Department of Biotechnology and Genetic Engineering, Jahangirnagar University, Dhaka, Bangladesh
| | - Tanushree Saha
- Department of Textile Engineering, Dhaka University of Engineering and Technology, Gazipur, Bangladesh
| | - Zinia Islam
- Department of Biotechnology and Genetic Engineering, Jahangirnagar University, Dhaka, Bangladesh
| | - Sharif Hossain
- Department of Biotechnology and Genetic Engineering, Jahangirnagar University, Dhaka, Bangladesh
| | - Md Ashraful Hasan
- Department of Biochemistry and Molecular Biology, Jahangirnagar University, Dhaka, Bangladesh
| | - Shinji Takeoka
- Department of Advanced Science and Engineering, Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Satya Ranjan Sarker
- Department of Biotechnology and Genetic Engineering, Jahangirnagar University, Dhaka, Bangladesh
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123
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Kannaujia R, Srivastava CM, Prasad V, Singh BN, Pandey V. Phyllanthus emblica fruit extract stabilized biogenic silver nanoparticles as a growth promoter of wheat varieties by reducing ROS toxicity. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2019; 142:460-471. [PMID: 31425972 DOI: 10.1016/j.plaphy.2019.08.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 08/08/2019] [Accepted: 08/12/2019] [Indexed: 05/02/2023]
Abstract
The present study is focused on the biogenic synthesis of AgNPs (B-AgNPs) using fruit extract of Phyllanthus emblica L. and its effect (0, 5, 10, 25, 50 mg/L concentrations) on early seedling growth of two wheat varieties (HD-2967 and DBW-17). The prepared silver nanoparticles were characterized with several techniques such as UV-Vis spectroscopy, powder X-ray diffraction as well as high-resolution transmission electron microscopy. The capping of AgNPs by phytochemicals was confirmed by Fourier transforms infrared (FT-IR) spectroscopy. B-AgNPs, chemically synthesized AgNPs, chemically synthesized AgNPs+10% fruit extract and AgNO3 salt were compared for phytotoxicity, based on growth parameters, ROS production, cytotoxicity assay and silver accumulation in two wheat varieties (HD-2967 and DBW-17). These effects were more pronounced in the variety HD-2967 over DBW-17 variety at 10 mg/L B-AgNPs exposure. Root cells viability of treated radicles was studied using Evans blue dye assay which suggest that 10 mg/L B-AgNPs was effective in promoting early seedling growth by decreasing ROS toxicity. Lower accumulation of Ag resulting in higher root cell viability than those of chemically synthesized AgNPs treated seedlings. The findings of the present study clearly indicate that phytochemicals capped AgNPs act as a growth promoter at lower concentrations by delivering a potent antioxidant during early seedling growth as compared to chemically synthesized AgNPs treated wheat seedlings.
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Affiliation(s)
- Rekha Kannaujia
- Plant Ecology and Climate Change Science, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow, 226001, U.P, India; Molecular Plant Virology Lab, Department of Botany, University of Lucknow, Lucknow, 226007, U.P, India
| | - Chandra Mohan Srivastava
- Centre for Polymer Technology, Amity School of Applied Sciences, Amity University Haryana, Gurgaon, 122413, India
| | - Vivek Prasad
- Molecular Plant Virology Lab, Department of Botany, University of Lucknow, Lucknow, 226007, U.P, India
| | - Brahma N Singh
- Pharmacognosy & Ethnopharmacology Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow, 226001, U.P, India
| | - Vivek Pandey
- Plant Ecology and Climate Change Science, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow, 226001, U.P, India.
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