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Pernas-Pleite C, Conejo-Martínez AM, Fernández Freire P, Hazen MJ, Marín I, Abad JP. Microalga Broths Synthesize Antibacterial and Non-Cytotoxic Silver Nanoparticles Showing Synergy with Antibiotics and Bacterial ROS Induction and Can Be Reused for Successive AgNP Batches. Int J Mol Sci 2023; 24:16183. [PMID: 38003373 PMCID: PMC10670984 DOI: 10.3390/ijms242216183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/31/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
The era of increasing bacterial antibiotic resistance requires new approaches to fight infections. With this purpose, silver-based nanomaterials are a reality in some fields and promise new developments. We report the green synthesis of silver nanoparticles (AgNPs) using culture broths from a microalga. Broths from two media, with different compositions and pHs and sampled at two growth phases, produced eight AgNP types. Nanoparticles harvested after several synthesis periods showed differences in antibacterial activity and stability. Moreover, an evaluation of the broths for several consecutive syntheses did not find relevant kinetics or activity differences until the third round. Physicochemical characteristics of the AgNPs (core and hydrodynamic sizes, Z-potential, crystallinity, and corona composition) were determined, observing differences depending on the broths used. AgNPs showed good antibacterial activity at concentrations producing no or low cytotoxicity on cultured eukaryotic cells. All the AgNPs had high levels of synergy against Escherichia coli and Staphylococcus aureus with the classic antibiotics streptomycin and kanamycin, but with ampicillin only against S. aureus and tetracycline against E. coli. Differences in the synergy levels were also dependent on the types of AgNPs. We also found that, for some AgNPs, the killing of bacteria started before the massive accumulation of ROS.
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Affiliation(s)
- Carlos Pernas-Pleite
- Department of Molecular Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Amparo M. Conejo-Martínez
- Department of Molecular Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Paloma Fernández Freire
- Department of Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 29049 Madrid, Spain
| | - María José Hazen
- Department of Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 29049 Madrid, Spain
| | - Irma Marín
- Department of Molecular Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 28049 Madrid, Spain
| | - José P. Abad
- Department of Molecular Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 28049 Madrid, Spain
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Oladipo AO, Unuofin JO, Lebelo SL, Msagati TAM. Phytochemical-Stabilized Platinum-Decorated Silver Nanocubes INHIBIT Adenocarcinoma Cells and Enhance Antioxidant Effects by Promoting Apoptosis via Cell Cycle Arrest. Pharmaceutics 2022; 14:pharmaceutics14112541. [PMID: 36432732 PMCID: PMC9693179 DOI: 10.3390/pharmaceutics14112541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/15/2022] [Accepted: 11/17/2022] [Indexed: 11/23/2022] Open
Abstract
(1) Background: The increasing use of silver and platinum bimetallic nanoparticles in the diagnosis and treatment of cancer presents significant advances in biomedical applications due to their extraordinary physicochemical properties. This study investigated the role of aqueous phytochemical extract in stabilizing platinum nanodots-decorated silver nanocubes (w-Pt@AgNPs) for enhancing antioxidant activities and their mechanism. (2) Methods: UV-Vis, Fourier transform infrared (FTIR) spectroscopy, and transmission electron microscopy (TEM) were used to characterize the formed w-Pt@AgNPs. LC-QToF-MS/MS was used to analyze the bioactive compounds, while DPPH, ABTS, and FRAP were used to detect the scavenging potential. Flow cytometric assays were performed to investigate the cytotoxicity and the mechanism of cell death. (3) Results: Morphological studies indicated that w-Pt@AgNPs were cube in shape, decorated by platinum nanodots on the surfaces. Compared to ethanolic extract-synthesized e-Pt@AgNPs, w-Pt@AgNPs exhibited the strongest antioxidant and cytotoxic activity, as data from Annexin V and Dead cell labeling indicated higher induction of apoptosis. Despite the high proportion of early apoptotic cells, the w-Pt@AgNPs triggered a decrease in G1/G0 cell cycle phase distribution, thereby initiating a G2/M arrest. (4) Conclusions: By enhancing the antioxidant properties and promoting apoptosis, w-Pt@AgNPs exhibited remarkable potential for improved cancer therapy outcomes.
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Affiliation(s)
- Adewale Odunayo Oladipo
- Department of Life and Consumer Sciences, College of Agriculture and Environmental Sciences, University of South Africa, Private Bag X06, Florida, Johannesburg 1710, South Africa
- Correspondence:
| | - Jeremiah Oshiomame Unuofin
- Department of Life and Consumer Sciences, College of Agriculture and Environmental Sciences, University of South Africa, Private Bag X06, Florida, Johannesburg 1710, South Africa
| | - Sogolo Lucky Lebelo
- Department of Life and Consumer Sciences, College of Agriculture and Environmental Sciences, University of South Africa, Private Bag X06, Florida, Johannesburg 1710, South Africa
| | - Titus Alfred Makudali Msagati
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Private Bag X06, Florida, Johannesburg 1710, South Africa
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Annamalai J, Ummalyma SB, Pandey A, Bhaskar T. Recent trends in microbial nanoparticle synthesis and potential application in environmental technology: a comprehensive review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:49362-49382. [PMID: 34331227 DOI: 10.1007/s11356-021-15680-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 07/23/2021] [Indexed: 06/13/2023]
Abstract
Microbial technology comprising environment in various aspects of pollution monitoring, treatment of pollutants, and energy generation has been put forth by the researchers worldwide in an eco-friendly manner. During the past few decades, this revolution has pronounced microbial cells in green nanotechnology, extending the scope, efficiency, and investment capita at research institutes, industries, and global markets. In the present review, initially, the source for the microbial synthesis of nanoparticles will be discussed involving bacteria, fungi, actinomycetes, microalgae, and viruses. Further, the mechanism and bio-components of microbial cells such as enzymes, proteins, peptides, amino-acids, exopolysaccharides, and others involved in the bio-reduction of metal ions to corresponding metal nanoparticles will be emphasized. The biosynthesized nanoparticles physicochemical properties and bio-reduction methods' advantages compared with synthetic methods will be detailed. To understand the suitability of biosynthesized nanoparticles in a wide range of applications, an overview of its blend of medicine, agriculture, and electronics will be discussed. This will be geared up with its applications specific to environmental aspects such as bioremediation, wastewater treatment, green-energy production, and pollution monitoring. Towards the end of the review, nano-waste management and limitations, i.e., void gaps that tend to impede the application of biosynthesized nanoparticles and microbial-based nanoparticles' prospects, will be deliberated. Thus, the review would claim to be worthy of unwrapping microorganisms sustainability in the emerging field of green nanotechnology.
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Affiliation(s)
- Jayshree Annamalai
- Centre for Environmental Studies, Department of Civil Engineering, Anna University, CEG Campus, Chennai, 600025, India
| | - Sabeela Beevi Ummalyma
- Institute of Bioresources and Sustainable Development (IBSD), An Autonomous Institute under Department of Biotechnology, Goverment of India, Takyelpat, Imphal, 795001, India.
| | - Ashok Pandey
- Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow, 226 001, India
| | - Thallada Bhaskar
- Material Resource Efficiency Division, CSIR-Indian Institute of Petroleum, Dehradun, 248005, India
- Academy of Scientific and Industrial Research (AcSIR), Ghaziabad, 201002, India
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Chen A, Hernandez-Vargas J, Han R, Cortazar-Martínez O, Gonzalez N, Patel S, Keitz BK, Luna-Barcenas G, Contreras LM. Small RNAs as a New Platform for Tuning the Biosynthesis of Silver Nanoparticles for Enhanced Material and Functional Properties. ACS APPLIED MATERIALS & INTERFACES 2021; 13:36769-36783. [PMID: 34319072 DOI: 10.1021/acsami.1c07400] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Genetic engineering of nanoparticle biosynthesis in bacteria could help facilitate the production of nanoparticles with enhanced or desired properties. However, this process remains limited due to the lack of mechanistic knowledge regarding specific enzymes and other key biological factors. Herein, we report on the ability of small noncoding RNAs (sRNAs) to affect silver nanoparticle (AgNP) biosynthesis using the supernatant from the bacterium Deinococcus radiodurans. Deletion strains of 12 sRNAs potentially involved in the oxidative stress response were constructed, and the supernatants from these strains were screened for their effect on AgNP biosynthesis. We identified several sRNA deletions that drastically decreased AgNP yield compared to the wild-type (WT) strain, suggesting the importance of these sRNAs in AgNP biosynthesis. Furthermore, AgNPs biosynthesized using the supernatants from three of these sRNA deletion strains demonstrated significantly enhanced antimicrobial and catalytic activities against environmentally relevant dyes and bacteria relative to AgNPs biosynthesized using the WT strain. Characterization of these AgNPs using electron microscopy (EM), energy-dispersive X-ray spectroscopy (EDX), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD) revealed that the deletion of these small RNAs led to changes within the supernatant composition that altered AgNP properties such as the surface chemistry, surface potential, and overall composition. Taken together, our results demonstrate that modulating specific sRNA levels can affect the composition of supernatants used to biosynthesize AgNPs, resulting in AgNPs with unique material properties and improved functionality; as such, we introduce sRNAs as a new platform for genetically engineering the biosynthesis of metal nanoparticles using bacteria. Many of the sRNAs examined in this work have potential regulatory roles in oxidative stress responses; further studies into their targets could help provide insight into the specific molecular mechanisms underlying bacterial biosynthesis and metal reduction, enabling the production of nanoparticles with enhanced properties.
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Affiliation(s)
- Angela Chen
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Julia Hernandez-Vargas
- Unidad Querétaro, Centro de Investigacion y de Estudios Avanzados Unidad Queretaro, Querétaro 76230, Mexico
| | - Runhua Han
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Orlando Cortazar-Martínez
- Unidad Querétaro, Centro de Investigacion y de Estudios Avanzados Unidad Queretaro, Querétaro 76230, Mexico
| | - Natalia Gonzalez
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Sonia Patel
- Department of Molecular Biosciences, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Benjamin K Keitz
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Gabriel Luna-Barcenas
- Unidad Querétaro, Centro de Investigacion y de Estudios Avanzados Unidad Queretaro, Querétaro 76230, Mexico
| | - Lydia M Contreras
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
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Production of extracellular silver nanoparticles by radiation-resistant Deinococcus wulumuqiensis R12 and its mechanism perspective. Process Biochem 2021. [DOI: 10.1016/j.procbio.2020.10.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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6
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Jeong SW, Choi YJ. Extremophilic Microorganisms for the Treatment of Toxic Pollutants in the Environment. Molecules 2020; 25:E4916. [PMID: 33114255 PMCID: PMC7660605 DOI: 10.3390/molecules25214916] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/20/2020] [Accepted: 10/23/2020] [Indexed: 12/13/2022] Open
Abstract
As concerns about the substantial effect of various hazardous toxic pollutants on the environment and public health are increasing, the development of effective and sustainable treatment methods is urgently needed. In particular, the remediation of toxic components such as radioactive waste, toxic heavy metals, and other harmful substances under extreme conditions is quite difficult due to their restricted accessibility. Thus, novel treatment methods for the removal of toxic pollutants using extremophilic microorganisms that can thrive under extreme conditions have been investigated during the past several decades. In this review, recent trends in bioremediation using extremophilic microorganisms and related approaches to develop them are reviewed, with relevant examples and perspectives.
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Affiliation(s)
| | - Yong Jun Choi
- School of Environmental Engineering, University of Seoul, Seoul 02504, Korea;
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Weng Y, Li J, Ding X, Wang B, Dai S, Zhou Y, Pang R, Zhao Y, Xu H, Tian B, Hua Y. Functionalized Gold and Silver Bimetallic Nanoparticles Using Deinococcus radiodurans Protein Extract Mediate Degradation of Toxic Dye Malachite Green. Int J Nanomedicine 2020; 15:1823-1835. [PMID: 32214814 PMCID: PMC7083632 DOI: 10.2147/ijn.s236683] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 02/22/2020] [Indexed: 12/13/2022] Open
Abstract
Background Biodegradation of toxic organic dye using nanomaterial-based microbial biocatalyst is an ecofriendly and promising technique. Materials and Methods Here, we have investigated the novel properties of functionalized Au-Ag bimetallic nanoparticles using extremophilic Deinococcus radiodurans proteins (Drp-Au-AgNPs) and their degradation efficiency on the toxic triphenylmethane dye malachite green (MG). Results and Discussion The prepared Drp-Au-AgNPs with an average particle size of 149.8 nm were capped by proteins through groups including hydroxyl and amide. Drp-Au-AgNPs demonstrated greater degradation ability (83.68%) of MG than D. radiodurans cells and monometallic AuNPs. The major degradation product was identified as 4-(dimethylamino) benzophenone, which is less toxic than MG. The degradation of MG was mainly attributed to the capping proteins on Drp-Au-AgNPs. The bimetallic NPs could be reused and maintained MG degradation ability (>64%) after 2 cycles. Conclusion These results suggest that the easily prepared Drp-Au-AgNPs have potential applications as novel nanomedicine for MG detoxification, and nanomaterial for biotreatment of a toxic polyphenyl dye-containing wastewater.
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Affiliation(s)
- Yulan Weng
- MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang University, Hangzhou, People's Republic of China
| | - Jiulong Li
- MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang University, Hangzhou, People's Republic of China
| | - Xingcheng Ding
- Zhejiang Runtu Chemical Research Institute, Shaoxing, People's Republic of China
| | - Binqiang Wang
- MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang University, Hangzhou, People's Republic of China
| | - Shang Dai
- MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang University, Hangzhou, People's Republic of China
| | - Yulong Zhou
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, Xinjiang, People's Republic of China
| | - Renjiang Pang
- MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang University, Hangzhou, People's Republic of China
| | - Ye Zhao
- MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang University, Hangzhou, People's Republic of China
| | - Hong Xu
- MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang University, Hangzhou, People's Republic of China
| | - Bing Tian
- MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang University, Hangzhou, People's Republic of China.,Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, Xinjiang, People's Republic of China
| | - Yuejin Hua
- MOE Key Laboratory of Biosystems Homeostasis & Protection, Zhejiang University, Hangzhou, People's Republic of China
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Silver nanoparticles synthesis from Bacillus sp KFU36 and its anticancer effect in breast cancer MCF-7 cells via induction of apoptotic mechanism. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 204:111786. [DOI: 10.1016/j.jphotobiol.2020.111786] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 01/06/2020] [Accepted: 01/09/2020] [Indexed: 11/21/2022]
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Liu Y, Zhang H, Han J, Jiang S, Geng X, Xue D, Chen Y, Zhang C, Zhou Z, Zhang W, Chen M, Lin M, Wang J. Functional assessment of hydrophilic domains of late embryogenesis abundant proteins from distant organisms. Microb Biotechnol 2019; 12:752-762. [PMID: 31012266 PMCID: PMC6559209 DOI: 10.1111/1751-7915.13416] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 04/06/2019] [Indexed: 01/03/2023] Open
Abstract
Late embryogenesis abundant (LEA) proteins play a protective role during desiccation and oxidation stresses. LEA3 proteins are a major group characterized by a hydrophilic domain (HD) with a highly conserved repeating 11-amino acid motif. We compared four different HD orthologs from distant organisms: (i) DrHD from the extremophilic bacterium Deinococcus radiodurans; (ii) CeHD from the nematode Caenorhabditis elegans; (iii) YlHD from the yeast Yarrowia lipolytica; and (iv) BnHD from the plant Brassica napus. Circular dichroism spectroscopy showed that all four HDs were intrinsically disordered in phosphate buffer and then folded into α-helical structures with the addition of glycerol or trifluoroethanol. Heterologous HD expression conferred enhanced desiccation and oxidation tolerance to Escherichia coli. These four HDs protected the enzymatic activities of lactate dehydrogenase (LDH) by preventing its aggregation under desiccation stress. The HDs also interacted with LDH, which was intensified by the addition of hydrogen peroxide (H2 O2 ), suggesting a protective role in a chaperone-like manner. Based on these results, the HDs of LEA3 proteins show promise as protectants for desiccation and oxidation stresses, especially DrHD, which is a potential ideal stress-response element that can be applied in synthetic biology due to its extraordinary protection and stress resistance ability.
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Affiliation(s)
- Yingying Liu
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Heng Zhang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Jiahui Han
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Shijie Jiang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.,College of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621000, China
| | - Xiuxiu Geng
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.,College of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621000, China
| | - Dong Xue
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Yun Chen
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Chen Zhang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Zhengfu Zhou
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Wei Zhang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Ming Chen
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Min Lin
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Jin Wang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
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Javaid A, Oloketuyi SF, Khan MM, Khan F. Diversity of Bacterial Synthesis of Silver Nanoparticles. BIONANOSCIENCE 2017. [DOI: 10.1007/s12668-017-0496-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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