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Prabhu N, Sabour AAA, Rengarajan S, Gajendiran K, Natarajan D. Analysis of the remediation competence of Aspergillus flavus biomass in wastewater of the dyeing industry: An in-vitro study. ENVIRONMENTAL RESEARCH 2024; 252:118705. [PMID: 38548251 DOI: 10.1016/j.envres.2024.118705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/25/2024] [Accepted: 03/11/2024] [Indexed: 04/08/2024]
Abstract
The dyeing industry effluent causes severe environmental pollution and threatens the native flora and fauna. The current study aimed to analyze the physicochemical parameters of dyeing industry wastewater collected in different sites (K1, E2, S3, T4, and V5), as well as the metal tolerance and decolourisation ability of Aspergillus flavus. Furthermore, the optimal biomass quantity and temperatures required for efficient bioremediation were investigated. Approximately five dyeing industry wastewater samples (K1, E2, S3, T4, and V5) were collected from various sampling stations, and the majority of the physical and chemical characteristics were discovered to be above the permissible limits. A. flavus demonstrated outstanding metal resistance to As, Cu, Cr, Zn, Hg, Pb, Ni, and Cd on Potato Dextrose Agar (PDA) plates at concentrations of up to 500 g mL-1. At 4 g L-1 concentrations, A. flavus biomass decolorized up to 11.2-46.5%. Furthermore, 35°C was found to be the optimal temperature for efficient decolourisation of A. flavus biomass. The toxicity of 35°C-treated wastewater on V. mungo and prawn larvae was significantly reduced. These findings indicate that the biomass of A. flavus can be used to decolorize dyeing industry wastewater.
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Affiliation(s)
- N Prabhu
- Department of Research and Innovations, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, 602 105, Tamil Nadu, India
| | - Amal Abdullah A Sabour
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia
| | - Sumathy Rengarajan
- Department of Biotechnology, Valliammal College for Women, E-9, Anna Nagar East, Chennai, 600102, India
| | - K Gajendiran
- PG and Research Department of Microbiology, M.G.R. College, Hosur, 635 130, Tamil Nadu, India
| | - Devarajan Natarajan
- Natural Drug Research Lab, Department of Biotechnology, Periyar University, Salem 636 011, Tamil Nadu, India.
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2
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Jha A, Barsola B, Pathania D, Sonu, Raizada P, Thakur P, Singh P, Rustagi S, Khosla A, Chaudhary V. Nano-biogenic heavy metals adsorptive remediation for enhanced soil health and sustainable agricultural production. ENVIRONMENTAL RESEARCH 2024; 252:118926. [PMID: 38657848 DOI: 10.1016/j.envres.2024.118926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 04/04/2024] [Accepted: 04/11/2024] [Indexed: 04/26/2024]
Abstract
Hazardous heavy metal (HM) pollution constitutes a pervasive global challenge, posing substantial risks to ecosystems and human health. The exigency for expeditious detection, meticulous monitoring, and efficacious remediation of HM within ecosystems is indisputable. Soil contamination, stemming from a myriad of anthropogenic activities, emerges as a principal conduit for HM ingress into the food chain. Traditional soil remediation modalities for HM elimination, while effective are labor-intensive, susceptible to secondary contamination, and exhibit limited efficacy in regions characterized by low metal toxicity. In response to these exigencies, the eco-friendly paradigm of bioremediation has garnered prominence as a financially judicious and sustainable remedial strategy. This approach entails the utilization of hyperaccumulators, Genetically Modified Microorganisms (GMM), and advantageous microbes. The current review offers a comprehensive elucidation of cutting-edge phyto/microbe-based bioremediation techniques, with a specific emphasis on their amalgamation with nanotechnology. Accentuating their pivotal role in advancing sustainable agricultural practices, the review meticulously dissects the synergistic interplay between plants and microbes, underscoring their adeptness in HM remediation sans secondary contamination. Moreover, the review scrutinizes the challenges intrinsic to implementing bioremediation-nanotechnology interface techniques and propounds innovative resolutions. These discernments proffer auspicious trajectories for the future of agriculture. Through the environmentally conscientious marvels of phyto/microbe bioremediation, an optimistic outlook emerges for environmental preservation and the cultivation of a sustainable, salubrious planet via the conduit of cleaner agricultural production.
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Affiliation(s)
- Ayush Jha
- University Institute of Biotechnology, Chandigarh University, Gharuan, Punjab, 140413, India
| | - Bindiya Barsola
- School of Biological and Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | - Diksha Pathania
- Department of Biosciences and Technology, MMEC, Maharishi Markandeshwar University, Mullana (Ambala), Haryana,133203, India
| | - Sonu
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India.
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Pankaj Thakur
- Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Sarvesh Rustagi
- School of Applied and Life Sciences, Uttaranchal University, Dehradun, Uttarakhand, India
| | - Ajit Khosla
- Department of Applied Chemistry, School of Advanced Materials and Nanotechnology, Xidian University, Xi'an, 710126, PR China.
| | - Vishal Chaudhary
- Physics Department, Bhagini Nivedita College, University of Delhi, Delhi, India; Centre for Research Impact & Outcome, Chitkara University, Punjab, 140401, India.
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Elattar KM, Al-Otibi FO, El-Hersh MS, Attia AA, Eldadamony NM, Elsayed A, Menaa F, Saber WI. Multifaceted chemical and bioactive features of Ag@TiO 2 and Ag@SeO 2 core/shell nanoparticles biosynthesized using Beta vulgaris L. extract. Heliyon 2024; 10:e28359. [PMID: 38560145 PMCID: PMC10979172 DOI: 10.1016/j.heliyon.2024.e28359] [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: 12/15/2023] [Revised: 02/25/2024] [Accepted: 03/18/2024] [Indexed: 04/04/2024] Open
Abstract
Due to increasing concerns about environmental impact and toxicity, developing green and sustainable methods for nanoparticle synthesis is attracting significant interest. This work reports the successful green synthesis of silver (Ag), silver-titanium dioxide (Ag@TiO2), and silver-selenium dioxide (Ag@SeO2) nanoparticles (NPs) using Beta vulgaris L. extract. Characterization by XRD, SEM, TEM, and EDX confirmed the successful formation of uniformly distributed spherical NPs with controlled size (25 ± 4.9 nm) and desired elemental composition. All synthesized NPs and the B. vulgaris extract exhibited potent free radical scavenging activity, indicating significant antioxidant potential. However, Ag@SeO2 displayed lower hemocompatibility compared to other NPs, while Ag@SeO2 and the extract demonstrated reduced inflammation in a carrageenan-induced paw edema animal model. Interestingly, Ag@TiO2 and Ag@SeO2 exhibited strong antifungal activity against Rhizoctonia solani and Sclerotia sclerotium, as evidenced by TEM and FTIR analyses. Generally, the findings suggest that B. vulgaris-derived NPs possess diverse biological activities with potential applications in various fields such as medicine and agriculture. Ag@TiO2 and Ag@SeO2, in particular, warrant further investigation for their potential as novel bioactive agents.
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Affiliation(s)
- Khaled M. Elattar
- Unit of Genetic Engineering and Biotechnology, Faculty of Science, Mansoura University, El-Gomhoria Street, Mansoura, 35516, Egypt
| | - Fatimah O. Al-Otibi
- Botany and Microbiology Department, Faculty of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Mohammed S. El-Hersh
- Microbial Activity Unit, Department of Microbiology, Soils, Water and Environment Research Institute, Agricultural Research Center, Giza, 12619, Egypt
| | - Attia A. Attia
- Department of Botany and Microbiology, Faculty of Science, Benha University, Benha, Egypt
| | - Noha M. Eldadamony
- Seed Pathology Department, Plant Pathology Research Institute, Agricultural Research Center, Giza, 12619, Egypt
| | - Ashraf Elsayed
- Botany Department, Faculty of Science, Mansoura University, Elgomhouria St., Mansoura, 35516, Egypt
| | - Farid Menaa
- Department of Biomedical and Environmental Engineering (BEE), Fluorotronics, Inc. California Innovation Corporation, San Diego, CA 92037, USA
| | - WesamEldin I.A. Saber
- Microbial Activity Unit, Department of Microbiology, Soils, Water and Environment Research Institute, Agricultural Research Center, Giza, 12619, Egypt
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Sun T, Li G, Mazarji M, Delaplace P, Yang X, Zhang J, Pan J. Heavy metals drive microbial community assembly process in farmland with long-term biosolids application. JOURNAL OF HAZARDOUS MATERIALS 2024; 468:133845. [PMID: 38401217 DOI: 10.1016/j.jhazmat.2024.133845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 01/27/2024] [Accepted: 02/18/2024] [Indexed: 02/26/2024]
Abstract
Biosolids are considered an alternative to chemical fertilizers due to their rich nutrients. However, long-term biosolids application can lead to heavy metals accumulation, which severely affects soil microbial community compositions. The factors influencing soil microbial community assembly were explored under a 16-year long-term experiment with biosolids applications. Our results indicated that biosolids application significantly increased fungal richness while not for bacterial and arbuscular mycorrhizal (AM) fungal richness. Besides, biosolids application significantly affected soil bacterial, fungal compositions and AM fungal community. Soil microorganisms were clustered into different modules with bacterial and AM fungal communities were affected by both organic matter and heavy metals, while fungal communities were affected by heavy metals (Cr, Ni, and As). The soil bacterial community assembly was dominated by stochastic processes while the fungal and AM fungal community assemblies were mainly driven by deterministic processes. Random forest analysis showed that heavy metals were identified as major drivers (Hg, Cu, Cd, and Zn for bacteria, Pb and Cr for fungi, and As and Ni for AM fungi) of the community assembly process. Overall, our study highlights the significant role of heavy metals in shaping microbial community dynamics and gives a guide for controlling biosolids application.
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Affiliation(s)
- Tao Sun
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China; Gembloux Agro Bio Tech, University of Liège, 5030, Belgium
| | - Guihua Li
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Mahmoud Mazarji
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | | | - Xing Yang
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, School of Ecology and Environment, Hainan University, Renmin Avenue, Haikou 570228, China
| | - Jianfeng Zhang
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
| | - Junting Pan
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
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Li J, Ou Y, Wang L, Zheng Y, Xu W, Peng J, Zhang X, Cao Z, Ye J. Responses of a polycyclic aromatic hydrocarbon-degrading bacterium, Paraburkholderia fungorum JT-M8, to Cd (II) under P-limited oligotrophic conditions. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133123. [PMID: 38056271 DOI: 10.1016/j.jhazmat.2023.133123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/28/2023] [Accepted: 11/27/2023] [Indexed: 12/08/2023]
Abstract
For the bioremediation of mixed-contamination sites, studies on polycyclic aromatic hydrocarbon (PAH) degradation or Cd (II) tolerance in bacteria are commonly implemented in nutrient-rich media. In contrast, in the field, inocula usually encounter harsh oligotrophic habitats. In this study, the environmental strain Paraburkholderia fungorum JT-M8 was used to explore the overlooked Cd (II) defense mechanism during PAH dissipation under P-limited oligotrophic condition. The results showed that the growth and PAH degradation ability of JT-M8 under Cd (II) stress were correlated with phosphate contents and exhibited self-regulating properties. Phosphates mainly affected the Cd (II) content in solution, while the cellular distribution of Cd (II) depended on Cd (II) levels; Cd (II) was mainly located in the cytoplasm when exposed to less Cd (II), and vice versa. The unique Cd (II) detoxification pathways could be classified into three aspects: (i) Cd (II) ionic equilibrium and dose-response effects regulated by environmental matrices (phosphate contents); (ii) bacterial physiological self-regulation, e.g., cell surface-binding, protein secretion and active transport systems; and (iii) specific adaptive responses (flagellum aggregation). This study emphasizes the importance of considering culture conditions when assessing the metal tolerance and provides new insight into the bacterial detoxification process of complex PAH-Cd (II) pollutants.
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Affiliation(s)
- Jinghua Li
- School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China; International Joint Laboratory on Key Techniques in Water Treatment, Xinxiang, Henan 453007, PR China; Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China; Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Xinxiang, Henan 453007, PR China.
| | - Yiwen Ou
- School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China; School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, PR China
| | - Lijuan Wang
- School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Yue Zheng
- School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Weiyun Xu
- School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Jianbiao Peng
- School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China; International Joint Laboratory on Key Techniques in Water Treatment, Xinxiang, Henan 453007, PR China; Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China; Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Xinxiang, Henan 453007, PR China
| | - Xin Zhang
- School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China; International Joint Laboratory on Key Techniques in Water Treatment, Xinxiang, Henan 453007, PR China; Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China; Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Xinxiang, Henan 453007, PR China
| | - Zhiguo Cao
- School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China; International Joint Laboratory on Key Techniques in Water Treatment, Xinxiang, Henan 453007, PR China; Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China; Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Xinxiang, Henan 453007, PR China
| | - Junpei Ye
- School of Environment, Henan Normal University, Xinxiang, Henan 453007, PR China; International Joint Laboratory on Key Techniques in Water Treatment, Xinxiang, Henan 453007, PR China; Henan Key Laboratory for Environmental Pollution Control, Xinxiang, Henan 453007, PR China; Key Laboratory of Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Xinxiang, Henan 453007, PR China
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Gao X, Wei M, Zhang X, Xun Y, Duan M, Yang Z, Zhu M, Zhu Y, Zhuo R. Copper removal from aqueous solutions by white rot fungus Pleurotus ostreatus GEMB-PO1 and its potential in co-remediation of copper and organic pollutants. BIORESOURCE TECHNOLOGY 2024; 395:130337. [PMID: 38244937 DOI: 10.1016/j.biortech.2024.130337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 01/13/2024] [Accepted: 01/14/2024] [Indexed: 01/22/2024]
Abstract
Addressing the environmental contamination from heavy metals and organic pollutants remains a critical challenge. This study explored the resilience and removal potential of Pleurotus ostreatus GEMB-PO1 for copper. P. ostreatus GEMB-PO1 showed significant tolerance, withstanding copper concentrations up to 2 mM. Its copper removal efficiency ranged from 64.56 % at 0.5 mM to 22.90 % at 8 mM. Transcriptomic insights into its response to copper revealed a marked upregulation in xenobiotic degradation-related enzymes, such as laccase and type II peroxidases. Building on these findings, a co-remediation system using P. ostreatus GEMB-PO1 was developed to remove both copper and organic pollutants. While this approach significantly enhanced the degradation efficiency of organic contaminants, it concurrently exhibited a diminished efficacy in copper removal within the composite system. This study underscores the potential of P. ostreatus GEMB-PO1 in environmental remediation. Nevertheless, further investigation is required to optimize the simultaneous removal of organic pollutants and copper.
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Affiliation(s)
- Xuan Gao
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, College of Biology, Hunan University, Changsha 410082, PR China; Hunan Provincial Certified Enterprise Technology Center, Hunan Xiangjiao Liquor Industry Co., Ltd., Shaoyang 422000, PR China
| | - Mi Wei
- School of Agriculture, Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, PR China
| | - Xiaodan Zhang
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, College of Biology, Hunan University, Changsha 410082, PR China
| | - Yu Xun
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, College of Biology, Hunan University, Changsha 410082, PR China
| | - Mifang Duan
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, College of Biology, Hunan University, Changsha 410082, PR China
| | - Zhilong Yang
- Hunan Provincial Certified Enterprise Technology Center, Hunan Xiangjiao Liquor Industry Co., Ltd., Shaoyang 422000, PR China
| | - Mingdong Zhu
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, College of Biology, Hunan University, Changsha 410082, PR China
| | - Yonghua Zhu
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, College of Biology, Hunan University, Changsha 410082, PR China
| | - Rui Zhuo
- Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, College of Biology, Hunan University, Changsha 410082, PR China; Hunan Provincial Certified Enterprise Technology Center, Hunan Xiangjiao Liquor Industry Co., Ltd., Shaoyang 422000, PR China.
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Adhikari A, Kwon EH, Khan MA, Shaffique S, Kang SM, Lee IJ. Enhanced use of chemical fertilizers and mitigation of heavy metal toxicity using biochar and the soil fungus Bipolaris maydis AF7 in rice: Genomic and metabolomic perspectives. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 271:115938. [PMID: 38218102 DOI: 10.1016/j.ecoenv.2024.115938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 12/28/2023] [Accepted: 01/02/2024] [Indexed: 01/15/2024]
Abstract
Chemical fertilizers are the primary source of crop nutrition; however, their increasing rate of application has created environmental hazards, such as heavy metal toxicity and eutrophication. The synchronized use of chemical fertilizers and eco-friendly biological tools, such as microorganisms and biochar, may provide an efficient foundation to promote sustainable agriculture. Therefore, the current study aimed to optimize the nutrient uptake using an inorganic fertilizer, sulfate of potash (SOP) from the plant growth-promoting fungus Bipolaris maydis AF7, and biochar under heavy metal toxicity conditions in rice. Bioassay analysis showed that AF7 has high resistance to heavy metals and a tendency to produce gibberellin, colonize the fertilizer, and increase the intake of free amino acids. In the plant experiment, the co-application of AF7 +Biochar+MNF+SOP significantly lowered the heavy metal toxicity, enhanced the nutrient uptake in the rice shoots, and improved the morphological attributes (total biomass). Moreover, the co-application augmented the glucose and sucrose levels, whereas it significantly lowered the endogenous phytohormone levels (salicylic acid and jasmonic acid) in the rice shoots. The increase in nutrient content aligns with the higher expression of the OsLSi6, PHT1, and OsHKT1 genes. The plant growth traits and heavy metal tolerance of AF7 were validated by whole-genome sequencing that showed the presence of the heavy metal tolerance and detoxification protein, siderophore iron transporter, Gibberellin cluster GA4 desaturase, and DES_1 genes, as well as others that regulate glucose, antioxidants, and amino acids. Because the AF7 +biochar+inorganic fertilizer works synergistically, nutrient availability to the crops could be improved, and heavy metal toxicity and environmental hazards could be minimized.
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Affiliation(s)
- Arjun Adhikari
- Department of Applied Biosciences, Kyungpook National University, Daegu 41566, South Korea
| | - Eun-Hae Kwon
- Department of Applied Biosciences, Kyungpook National University, Daegu 41566, South Korea
| | - Muhammad Aaqil Khan
- Department of Applied Biosciences, Kyungpook National University, Daegu 41566, South Korea
| | - Shifa Shaffique
- Department of Applied Biosciences, Kyungpook National University, Daegu 41566, South Korea
| | - Sang-Mo Kang
- Department of Applied Biosciences, Kyungpook National University, Daegu 41566, South Korea
| | - In-Jung Lee
- Department of Applied Biosciences, Kyungpook National University, Daegu 41566, South Korea
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Gautam R, Priyadarshini E, Patel AK, Arora T. Assessing the impact and mechanisms of environmental pollutants (heavy metals and pesticides) on the male reproductive system: a comprehensive review. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, TOXICOLOGY AND CARCINOGENESIS 2024; 42:126-153. [PMID: 38240636 DOI: 10.1080/26896583.2024.2302738] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
The escalation of technological advancements, coupled with the increased use of hazardous chemicals, has emerged as a significant concern for human health. Exposure to environmental pollutants like heavy metals and pesticides (insecticides, herbicides and fungicides) is known to significantly contribute to various health problems, particularly affecting reproductive health. Disturbances in reproductive potential and reproductive toxicity in males are particularly worrisome. Existing literature suggests that exposure to these environmental pollutants significantly alters male reproductive parameters. Thus, it is imperative to thoroughly analyze, comprehend, and evaluate their impact on male reproductive toxicity. Oxidative stress and disruptions in redox equilibrium are major factors through which these pollutants induce changes in sperm parameters and affect the reproductive system. Insecticides, fungicides, and herbicides act as endocrine disruptors, interfering with the secretion and function of reproductive hormones such as testosterone and luteinizing hormone (LH), consequently impacting spermatogenesis. Additionally, heavy metals are reported to bio-accumulate in reproductive organs, acting as endocrine disruptors and triggering oxidative stress. The co-operative association of these pollutants can lead to severe damage. In this comprehensive review, we have conducted an in-depth analysis of the impact of these environmental pollutants on the male reproductive system, shedding light on the underlying mechanisms of action.
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Affiliation(s)
- Rohit Gautam
- Division of RCN, Indian Council of Medical Research, New Delhi, India
| | | | - Arbind Kumar Patel
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Taruna Arora
- Division of RCN, Indian Council of Medical Research, New Delhi, India
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Li D, Zhang X, Chen J, Li J. Toxicity factors to assess the ecological risk for soil microbial communities. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 270:115867. [PMID: 38142592 DOI: 10.1016/j.ecoenv.2023.115867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/11/2023] [Accepted: 12/18/2023] [Indexed: 12/26/2023]
Abstract
The toxicity factor (TF), a critical parameter within the potential ecological risk index (RI), is determined without accounting for microbial factors. It is considerable uncertainty exists concerning its validity for quantitatively assessing the influence of metal(loid)s on microorganisms. To evaluate the suitability of TF, we constructed microcosm experiments with varying RI levels (RI = 100, 200, 300, 500, and 700) by externally adding zinc (Zn), chromium (Cr), copper (Cu), lead (Pb), nickel (Ni), cadmium (Cd), and mercury (Hg) to uncontaminated soil (CK). Quantitative real-time PCR (qPCR) and high-throughput sequencing techniques were employed to measure the abundance and community of bacteria and fungi, and high-throughput qPCR was utilised to quantify functional genes associated with CNPS cycles. The results demonstrated that microbial diversity and function exhibited significant alterations (p < 0.05) in response to increasing RI levels, and the influences on microbial community structure, enzyme activity, and functional gene abundances were different due to the types of metal(loid)s treatments. At the same RI level, significant differences (p < 0.05) were discerned in microbial diversity and function across metal(loid) treatments, and these differences became more pronounced (p < 0.001) at higher levels. These findings suggest that TF may not be suitable for the quantitative assessment of microbial ecological risk. Therefore, we adjusted the TF by following three steps (1) determining the adjustment criteria, (2) deriving the initial TF, and (3) adjusting and optimizing the TF. Ultimately, the optimal adjusted TF was established as Zn = 1.5, Cr = 4.5, Cu = 6, Pb = 4.5, Ni = 5, Cd = 22, and Hg = 34. Our results provide a new reference for quantitatively assessing the ecological risks caused by metal(loid)s to microorganisms.
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Affiliation(s)
- Dale Li
- Institute of Loess Plateau, Shanxi University, Taiyuan, Shanxi 030006, China
| | - Xiujuan Zhang
- Institute of Loess Plateau, Shanxi University, Taiyuan, Shanxi 030006, China
| | - Jianwen Chen
- Institute of Loess Plateau, Shanxi University, Taiyuan, Shanxi 030006, China
| | - Junjian Li
- Institute of Loess Plateau, Shanxi University, Taiyuan, Shanxi 030006, China.
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Pineda-Vásquez T, Rendón-Castrillón L, Ramírez-Carmona M, Ocampo-López C. From E-Waste to High-Value Materials: Sustainable Synthesis of Metal, Metal Oxide, and MOF Nanoparticles from Waste Printed Circuit Boards. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 14:69. [PMID: 38202524 PMCID: PMC10780742 DOI: 10.3390/nano14010069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024]
Abstract
The exponential growth of electronic waste (e-waste) has raised significant environmental concerns, with projections indicating a surge to 74.7 million metric tons of e-waste generated by 2030. Waste printed circuit boards (WPCBs), constituting approximately 10% of all e-waste, are particularly intriguing due to their high content of valuable metals and rare earth elements. However, the presence of hazardous elements necessitates sustainable recycling strategies. This review explores innovative approaches to sustainable metal nanoparticle synthesis from WPCBs. Efficient metal recovery from WPCBs begins with disassembly and the utilization of advanced equipment for optimal separation. Various pretreatment techniques, including selective leaching and magnetic separation, enhance metal recovery efficiency. Green recovery systems such as biohydrometallurgy offer eco-friendly alternatives, with high selectivity. Converting metal ions into nanoparticles involves concentration and transformation methods like chemical precipitation, electrowinning, and dialysis. These methods are vital for transforming recovered metal ions into valuable nanoparticles, promoting sustainable resource utilization and eco-friendly e-waste recycling. Sustainable green synthesis methods utilizing natural sources, including microorganisms and plants, are discussed, with a focus on their applications in producing well-defined nanoparticles. Nanoparticles derived from WPCBs find valuable applications in drug delivery, microelectronics, antimicrobial materials, environmental remediation, diagnostics, catalysis, agriculture, etc. They contribute to eco-friendly wastewater treatment, photocatalysis, protective coatings, and biomedicine. The important implications of this review lie in its identification of sustainable metal nanoparticle synthesis from WPCBs as a pivotal solution to e-waste environmental concerns, paving the way for eco-friendly recycling practices and the supply of valuable materials for diverse industrial applications.
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Affiliation(s)
- Tatiana Pineda-Vásquez
- Centro de Estudios y de Investigación en Biotecnología (CIBIOT), Universidad Pontificia Bolivariana, Circular 1ª No 70-01, Medellín 050031, Colombia;
| | - Leidy Rendón-Castrillón
- Centro de Estudios y de Investigación en Biotecnología (CIBIOT), Chemical Engineering Program, Chemical Engineering Faculty, Universidad Pontificia Bolivariana, Circular 1ª No 70-01, Medellín 050031, Colombia; (L.R.-C.); (M.R.-C.)
| | - Margarita Ramírez-Carmona
- Centro de Estudios y de Investigación en Biotecnología (CIBIOT), Chemical Engineering Program, Chemical Engineering Faculty, Universidad Pontificia Bolivariana, Circular 1ª No 70-01, Medellín 050031, Colombia; (L.R.-C.); (M.R.-C.)
| | - Carlos Ocampo-López
- Centro de Estudios y de Investigación en Biotecnología (CIBIOT), Chemical Engineering Program, Chemical Engineering Faculty, Universidad Pontificia Bolivariana, Circular 1ª No 70-01, Medellín 050031, Colombia; (L.R.-C.); (M.R.-C.)
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11
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Wrońska N, Płaczkowska S, Niedziałkowska K, Lisowska K. The Synergistic Effect of Biosynthesized Silver Nanoparticles and Phytocompound as a Novel Approach to the Elimination of Pathogens. Molecules 2023; 28:7921. [PMID: 38067650 PMCID: PMC10707795 DOI: 10.3390/molecules28237921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 11/26/2023] [Accepted: 12/02/2023] [Indexed: 12/18/2023] Open
Abstract
Due to the wide applications of silver nanoparticles (AgNPs), research on their ecological synthesis has been extensive in recent years. In our study, biogenic silver nanoparticles were synthesized extracellularly using the white rot fungus Trametes versicolor via two cultivation methods: static and shaking. The cell filtrate of the fungus was used as a reducing agent in the process of nanoparticle synthesis. Characterization of the obtained nanoparticles was carried out using UV-VIS spectroscopy and scanning electron microscopy. The biosynthesized nanoparticles have antimicrobial potential against pathogenic bacteria, particularly in Gram-negative strains. The bactericidal effect was obtained for E. coli at a concentration of 7 µg/mL. The use of higher concentrations of compounds was necessary for Gram-positive bacteria. Taking into account the problem of the risk of cytotoxicity of AgNPs, combined therapy using a phytochemical was used for the first time, which was aimed at reducing the doses of nanoparticles. The most representative synergistic effect was observed in the treatment of 5 µg/mL silver nanoparticles in combination with 15 µg/mL ursolic acid against E. coli and P. aeruginosa with a bactericidal effect. Moreover, the coadministration of nanoparticles considerably reduced the growth of both Staphylococcus strains, with a bactericidal effect against S. aureus. The viability test confirmed the strong synergistic effect of both tested compounds. Silver nanoparticles synthesized using the T. versicolor showed excellent antibacterial potential, which opens perspectives for future investigations concerning the use of the nanoparticles as antimicrobials in the areas of health.
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Affiliation(s)
- Natalia Wrońska
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha Street, 90-236 Lodz, Poland; (S.P.); (K.N.); (K.L.)
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12
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Cao G, Li X, Zhang C, Xiong Y, Li X, Li T, He S, Cui Z, Yu J. Physiological response mechanism of heavy metal-resistant endophytic fungi isolated from the roots of Polygonatum kingianum. ENVIRONMENTAL MICROBIOLOGY REPORTS 2023; 15:568-581. [PMID: 37604512 PMCID: PMC10667662 DOI: 10.1111/1758-2229.13194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 08/09/2023] [Indexed: 08/23/2023]
Abstract
This study aims to evaluate the tolerance of endophytic fungi isolated from the fibrous roots of Polygonatum kingianum to arsenic (As) and cadmium (Cd) and their physiological response mechanisms. Five isolated strains were obtained with EC50 values for As(V) ranging from 421 to 1281 mg/L, while the other three strains tolerated Cd(II) with an EC50 range of 407-1112 mg/L. Morphological and molecular identification indicated that these eight strains were Cladosporium spp. belonging to dark septate endophytes (DSEs). The contents of metal ions in mycelium sharply increased, reaching 38.87 mg/kg for strain MZ-11 under As(V) stress and 0.33 mg/kg for fungus PR-2 under Cd(II). The physiological response revealed that the biomass decreased with increasing concentrations of As(V) or Cd(II), and the activity of superoxide dismutase significantly improved under the corresponding EC50 -concentration As/Cd of the strains, as well as the contents of antioxidant substances, including metallothionein, glutathione, malondialdehyde, melanin, and proline. Taken together, the filamentous fungi of Cladosporium spp. accounted for a high proportion of fungi isolated from the fibrous roots of P. kingianum and had a strong capacity to tolerate As(V) or Cd(II) stress by improving antioxidase activities and the content of antioxidant substances, and immobilization of metal ions in hyphae.
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Affiliation(s)
- Guan‐Hua Cao
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Xiao‐Gang Li
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Chen‐Rui Zhang
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Yi‐Ran Xiong
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Xue Li
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Tong Li
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
| | - Sen He
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
- Department of Environmental HealthUniversity of Fukui School of Medical SciencesFukuiJapan
| | - Zheng‐Guo Cui
- Department of Environmental HealthUniversity of Fukui School of Medical SciencesFukuiJapan
| | - Jie Yu
- School of Chinese Materia MedicaYunnan University of Chinese MedicineKunmingChina
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13
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Ganji F, Mojerlou S, Safaie N. Evaluation of copper-tolerant fungi isolated from Sarcheshmeh copper mine of Iran. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:110715-110724. [PMID: 37792187 DOI: 10.1007/s11356-023-30135-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 09/25/2023] [Indexed: 10/05/2023]
Abstract
Mycoremediation, a subset of bioremediation, is considered an advanced method to eliminate environmental contaminations. To identify tolerant fungi to copper contamination and study the related gene expression, sampling was carried out from the soil of "Sarcheshmeh Copper Mine," which is one of the biggest open-cast copper mines in the world. A total of 71 fungal isolates were obtained and purified. Afterward, the inhibitory effect of different concentrations (1000, 1500, 3500, 4000, and 5500 ppm) of copper sulfate on mycelial growth was evaluated. Results indicated that only 5500 ppm of copper sulfate inhibited fungal growth compared to the control. Based on the bioassay experiments, three isolates including S3-1, S3-21, and S1-7, which were able to grow on solid and broth medium containing 5500 ppm of copper sulfate at different pH conditions, were selected and identified using molecular approaches. Also, laccase and metallothionein gene expression has been assessed in these isolates. According to the molecular identification using ITS1-5.8S- ITS2 region, isolates S3-1 and S1-7 were identified as Pleurotus eryngii, and isolate S3-21 belonged to the genus Sarocladium. In addition, P. eryngii showed laccase gene expression reduction after 8 days of exposure to copper sulfate. While in the genus Sarocladium, it increased (almost 2 times) from 6 to 8 days. Besides, metallothionein gene expression has increased from 6 to 8 days of copper sulfate treatment compared to the control which reveals its role in copper tolerance of all studied isolates. In this study, Pleurotus eryngii and Sarocladium sp. are introduced as heavy metal tolerant fungi and the related gene expression to copper tolerance was studied for the first time in Iran.
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Affiliation(s)
- Ferdos Ganji
- Department of Biotechnology, Faculty of Agriculture, Shahrood University of Technology, Shahrood, Iran
| | - Shideh Mojerlou
- Department of Horticulture and Plant Protection, Faculty of Agriculture, Shahrood University of Technology, Shahrood, P. O. Box: 3619995161, Iran.
| | - Naser Safaie
- Department of Plant Pathology, Faculty of Agriculture, Tarbiat Modares University of Tehran, Tehran, Iran
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14
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Narayanan M, Ma Y. Mitigation of heavy metal stress in the soil through optimized interaction between plants and microbes. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 345:118732. [PMID: 37536126 DOI: 10.1016/j.jenvman.2023.118732] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 07/29/2023] [Accepted: 07/29/2023] [Indexed: 08/05/2023]
Abstract
Agricultural as well as industrial processes, such as mining and textile activities, are just a few examples of anthropogenic activities that have a long-term negative impact on the environment. Each of the aforementioned factors increases the concentration of heavy metals in soil. Heavy metal contamination in soil causes a wide range of environmental issues and is harmful to microbes, plants, and animals. Because of their non-biodegradability and toxic effects, preventing additional metal contamination and remediating the vast majority of contaminated sites around the world is critical. Hence, this review focuses on the effects of metal contamination on soil microbes, as well as plant-microbe interactions. Plant-associated probiotics reduce metal accumulation; the introduction of beneficial microbes is regarded as one of the most promising approaches to improving metal stress tolerance; thus, the study focuses on plant-microbe interactions as well as their actual implications via phytoremediation. Plant-microbe interaction can play an important role in acclimating vegetation (plants) to metalliferous conditions and should thus be studied to improve microbe-aided metal tolerance in plants. Plant-interacted microbes reduce metal accumulation in plant cells and metal bioaccumulation in the soil through a variety of processes. A novel phytobacterial approach, such as genetically modified microbes, is now being used to improve heavy metal cleanup as well as stress tolerance among plants. This review examines our current understanding of such negative consequences of heavy metal stresses, signaling responses, and the role of plant-associated microbiota in heavy metal stress tolerance and interaction.
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Affiliation(s)
- Mathiyazhagan Narayanan
- Division of Research and Innovation, Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Science, Chennai, Tamil Nadu, India.
| | - Ying Ma
- College of Resources and Environment, Southwest University, Chongqing, 400716, China.
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15
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Wahab S, Salman A, Khan Z, Khan S, Krishnaraj C, Yun SI. Metallic Nanoparticles: A Promising Arsenal against Antimicrobial Resistance-Unraveling Mechanisms and Enhancing Medication Efficacy. Int J Mol Sci 2023; 24:14897. [PMID: 37834344 PMCID: PMC10573543 DOI: 10.3390/ijms241914897] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/25/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023] Open
Abstract
The misuse of antibiotics and antimycotics accelerates the emergence of antimicrobial resistance, prompting the need for novel strategies to combat this global issue. Metallic nanoparticles have emerged as effective tools for combating various resistant microbes. Numerous studies have highlighted their potential in addressing antibiotic-resistant fungi and bacterial strains. Understanding the mechanisms of action of these nanoparticles, including iron-oxide, gold, zinc oxide, and silver is a central focus of research within the life science community. Various hypotheses have been proposed regarding how nanoparticles exert their effects. Some suggest direct targeting of microbial cell membranes, while others emphasize the release of ions from nanoparticles. The most compelling proposed antimicrobial mechanism of nanoparticles involves oxidative damage caused by nanoparticles-generated reactive oxygen species. This review aims to consolidate knowledge, discuss the properties and mechanisms of action of metallic nanoparticles, and underscore their potential as alternatives to enhance the efficacy of existing medications against infections caused by antimicrobial-resistant pathogens.
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Affiliation(s)
- Shahid Wahab
- Department of Food Science and Technology, College of Agriculture and Life Sciences, Jeonbuk National University, Jeonju 54896, Republic of Korea; (S.W.); (C.K.)
- Department of Agricultural Convergence Technology, College of Agriculture and Life Science, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Alishba Salman
- Nanobiotechnology Laboratory, Department of Biotechnology University of Malakand, Dir Lower, Chakdara 18800, Khyber Pakhtunkhwa, Pakistan; (A.S.); (Z.K.); (S.K.)
| | - Zaryab Khan
- Nanobiotechnology Laboratory, Department of Biotechnology University of Malakand, Dir Lower, Chakdara 18800, Khyber Pakhtunkhwa, Pakistan; (A.S.); (Z.K.); (S.K.)
| | - Sadia Khan
- Nanobiotechnology Laboratory, Department of Biotechnology University of Malakand, Dir Lower, Chakdara 18800, Khyber Pakhtunkhwa, Pakistan; (A.S.); (Z.K.); (S.K.)
| | - Chandran Krishnaraj
- Department of Food Science and Technology, College of Agriculture and Life Sciences, Jeonbuk National University, Jeonju 54896, Republic of Korea; (S.W.); (C.K.)
- Department of Agricultural Convergence Technology, College of Agriculture and Life Science, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Soon-Il Yun
- Department of Food Science and Technology, College of Agriculture and Life Sciences, Jeonbuk National University, Jeonju 54896, Republic of Korea; (S.W.); (C.K.)
- Department of Agricultural Convergence Technology, College of Agriculture and Life Science, Jeonbuk National University, Jeonju 54896, Republic of Korea
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16
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Tsipinana S, Husseiny S, Alayande KA, Raslan M, Amoo S, Adeleke R. Contribution of endophytes towards improving plant bioactive metabolites: a rescue option against red-taping of medicinal plants. FRONTIERS IN PLANT SCIENCE 2023; 14:1248319. [PMID: 37771494 PMCID: PMC10522919 DOI: 10.3389/fpls.2023.1248319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 08/11/2023] [Indexed: 09/30/2023]
Abstract
Medicinal plants remain a valuable source for natural drug bioprospecting owing to their multi-target spectrum. However, their use as raw materials for novel drug synthesis has been greatly limited by unsustainable harvesting leading to decimation of their wild populations coupled with inherent low concentrations of constituent secondary metabolites per unit mass. Thus, adding value to the medicinal plants research dynamics calls for adequate attention. In light of this, medicinal plants harbour endophytes which are believed to be contributing towards the host plant survival and bioactive metabolites through series of physiological interference. Stimulating secondary metabolite production in medicinal plants by using endophytes as plant growth regulators has been demonstrated to be one of the most effective methods for increasing metabolite syntheses. Use of endophytes as plant growth promotors could help to ensure continuous supply of medicinal plants, and mitigate issues with fear of extinction. Endophytes minimize heavy metal toxicity in medicinal plants. It has been hypothesized that when medicinal plants are exposed to harsh conditions, associated endophytes are the primary signalling channels that induce defensive reactions. Endophytes go through different biochemical processes which lead to activation of defence mechanisms in the host plants. Thus, through signal transduction pathways, endophytic microorganisms influence genes involved in the generation of secondary metabolites by plant cells. Additionally, elucidating the role of gene clusters in production of secondary metabolites could expose factors associated with low secondary metabolites by medicinal plants. Promising endophyte strains can be manipulated for enhanced production of metabolites, hence, better probability of novel bioactive metabolites through strain improvement, mutagenesis, co-cultivation, and media adjustment.
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Affiliation(s)
- Sinawo Tsipinana
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - Samah Husseiny
- Department of Biotechnology and Life Sciences, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt
| | - Kazeem A. Alayande
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - Mai Raslan
- Department of Biotechnology and Life Sciences, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt
| | - Stephen Amoo
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
- Agricultural Research Council – Vegetables, Industrial and Medicinal Plants, Roodeplaat, Pretoria, South Africa
| | - Rasheed Adeleke
- Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
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Lyagin I, Aslanli A, Domnin M, Stepanov N, Senko O, Maslova O, Efremenko E. Metal Nanomaterials and Hydrolytic Enzyme-Based Formulations for Improved Antifungal Activity. Int J Mol Sci 2023; 24:11359. [PMID: 37511117 PMCID: PMC10379199 DOI: 10.3390/ijms241411359] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/07/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
Active research of metal-containing compounds and enzymes as effective antifungal agents is currently being conducted due to the growing antifungal resistance problem. Metals are attracting special attention due to the wide variety of ligands that can be used for them, including chemically synthesized and naturally obtained variants as a result of the so-called "green synthesis". The main mechanism of the antifungal action of metals is the triggering of the generation and accumulation of reactive oxygen species (ROS). Further action of ROS on various biomolecules is nonspecific. Various hydrolytic enzymes (glucanases and proteases), in turn, exhibit antifungal properties by affecting the structural elements of fungal cells (cell walls, membranes), fungal quorum sensing molecules, fungal own protective agents (mycotoxins and antibiotics), and proteins responsible for the adhesion and formation of stable, highly concentrated populations in the form of biofilms. A wide substrate range of enzymes allows the use of various mechanisms of their antifungal actions. In this review, we discuss the prospects of combining two different types of antifungal agents (metals and enzymes) against mycelial fungi and yeast cells. Special attention is paid to the possible influence of metals on the activity of the enzymes and the possible effects of proteins on the antifungal activity of metal-containing compounds.
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Affiliation(s)
- Ilya Lyagin
- Faculty of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, 119991 Moscow, Russia
| | - Aysel Aslanli
- Faculty of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, 119991 Moscow, Russia
| | - Maksim Domnin
- Faculty of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, 119991 Moscow, Russia
| | - Nikolay Stepanov
- Faculty of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, 119991 Moscow, Russia
| | - Olga Senko
- Faculty of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, 119991 Moscow, Russia
| | - Olga Maslova
- Faculty of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, 119991 Moscow, Russia
| | - Elena Efremenko
- Faculty of Chemistry, Lomonosov Moscow State University, Lenin Hills 1/3, 119991 Moscow, Russia
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18
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Wu SC, Hsiao WC, Zhao YC, Wu LF. Hexavalent chromate bioreduction by a magnetotactic bacterium Magnetospirillum gryphiswaldense MSR-1 and the effect of magnetosome synthesis. CHEMOSPHERE 2023; 330:138739. [PMID: 37088211 DOI: 10.1016/j.chemosphere.2023.138739] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 02/17/2023] [Accepted: 04/18/2023] [Indexed: 05/03/2023]
Abstract
Magnetotactic bacteria (MTB) are receiving attention for heavy metal biotreatment due to their potential for biosorption with heavy metals and the capability of the magnetic recovery. In this study, we investigated the characteristics of Cr(VI) bioreduction and biosorption by an MTB isolate, Magnetospirillum gryphiswaldense MSR-1, which has a higher growth rate and wider reflexivity in culture conditions. Our results demonstrated that the MSR-1 strain could remove Cr(VI) up to the concentration of 40 mg L-1 and with an optimal activity at neutral pH conditions. The magnetosome synthesis existed regulatory mechanisms between Cr(VI) reduction and cell division. The addition of 10 mg L-1 Cr(VI) significantly inhibited cell growth, but the magnetosome-deficient strain, B17316, showed an average specific growth rate of 0.062 h-1 at the same dosage. Cr(VI) reduction examined by the heat-inactivated and resting cells demonstrated that the main mechanism for MSR-1 strain to reduce Cr(VI) was chromate reductase and adsorption, and magnetosome synthesis would enhance the chromate reductase activity. Finally, our results elucidated that the chromate reductase distributes diversely in multiple subcellular components of the MSR-1 cells, including extracellular, membrane-associated, and intracellular cytoplasmic activity; and expression of the membrane-associated chromate reductase was increased after the cells were pre-exposed by Cr(VI).
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Affiliation(s)
- Siang Chen Wu
- Department of Environmental Engineering, National Chung Hsing University, 145 Xingda Road, Taichung, 40227, Taiwan.
| | - Wei-Che Hsiao
- Department of Environmental Engineering, National Chung Hsing University, 145 Xingda Road, Taichung, 40227, Taiwan
| | - Ya-Chun Zhao
- Department of Environmental Engineering, National Chung Hsing University, 145 Xingda Road, Taichung, 40227, Taiwan
| | - Li-Fen Wu
- Department of Environmental Engineering, National Chung Hsing University, 145 Xingda Road, Taichung, 40227, Taiwan
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19
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Liapun V, Motola M. Current overview and future perspective in fungal biorecovery of metals from secondary sources. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 332:117345. [PMID: 36724599 DOI: 10.1016/j.jenvman.2023.117345] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 01/09/2023] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
Microorganisms are intimately involved in many biogeochemical processes that underpin the transformation of metals and cycling of related substances, such as metalloids and radionuclides. Many processes determine the mobility and bioavailability of metals, thereby influencing their transfer to the environment and living organisms. These processes are closely related to global phenomena such as soil formation and bioweathering. In addition to environmental significance, microbial metal transformations play an essential role in both in situ and ex situ bioremediation processes for solid and liquid wastes. The solubilization of heavy metals from industrial waste and soil is commonly used in bioremediation. Moreover, immobilization processes are applicable to bioremediation of metals and radionuclides from aqueous solutions. This review provides an overview of critical metal extraction and recovery from secondary sources, applied microorganisms and methods, metal-microbe interactions, as well as a detailed description of known metal recovery mechanisms.
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Affiliation(s)
- Viktoriia Liapun
- Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, 842 15, Bratislava, Slovakia.
| | - Martin Motola
- Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, 842 15, Bratislava, Slovakia.
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Sun X, Feng H, Luo J, Lin L, Zhang H, Duan Y, Liu F, Zhang K, Wang B, Li D, Hu Y, Zhu Z. A novel N-arachidonoyl-l-alanine-catabolizing strain of Serratia marcescens for the bioremediation of Cd and Cr co-contamination. ENVIRONMENTAL RESEARCH 2023; 222:115376. [PMID: 36736755 DOI: 10.1016/j.envres.2023.115376] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/03/2023] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
Cadmium (Cd) and chromium (Cr) are widespread contaminants with a high risk to the environment and humans. Herein we isolated a novel strain of Serratia marcescens, namely strain S27, from soil co-contaminated with Cd and Cr. This strain showed strong resistance to Cd as well as Cr. S27 cells demonstrated Cd adsorption rate of 45.8% and Cr reduction capacity of 84.4% under optimal growth conditions (i.e., 30 °C, 200 rpm, and pH 7.5). Microscopic characterization of S27 cells revealed the importance of the functional groups C-O-C, C-H-O, C-C, C-H, and -OH, and also indicated that Cr reduction occurred on bacterial cell membrane. Cd(II) and Cr(VI) bioaccumulation on S27 cell surface was mainly in the form of Cd(OH)2 and Cr2O3, respectively. Further, metabolomic analyses revealed that N-arachidonoyl-l-alanine was the key metabolite that promoted Cd and Cr complexation by S27; it primarily promotes γ-linolenic acid (GLA) metabolism, producing siderophores and coordinating with organic acids to enhance metal bioavailability. To summarize, our results suggest that S27 is promising for the bioremediation of environments contaminated with Cd and Cr in tropical regions.
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Affiliation(s)
- Xiaoyan Sun
- College of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Huiping Feng
- College of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Jialiang Luo
- College of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Li Lin
- Sugarcane Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, 53007, China
| | - Haixiang Zhang
- College of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Yali Duan
- College of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Fan Liu
- College of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Kailu Zhang
- College of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Baijie Wang
- College of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Dong Li
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological, Regulation of Hainan Province/Center for Eco-Environmental Restoration, Engineering of Hainan Province/School of Ecology & Environment/State Key, Laboratory of Marine Resource Utilization in South China Sea/Key Laboratory for Environmental Toxicology of Haikou, Hainan University, Haikou, Hainan, 570228, China.
| | - Yueming Hu
- College of Tropical Crops, Hainan University, Haikou, 570228, China
| | - Zhiqiang Zhu
- College of Tropical Crops, Hainan University, Haikou, 570228, China.
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Zhang L, Yang X, Li S, Tang L, Chen T, Gu T, Chen G, Gadd GM, Li Z. A contrast of Pb(II), Cd(II), and Cu(II) toxicities to Aspergillus niger through biochemical, morphological, and genetic investigations. JOURNAL OF HAZARDOUS MATERIALS 2023; 446:130691. [PMID: 36608576 DOI: 10.1016/j.jhazmat.2022.130691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/26/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
The toxicity of metals to microorganisms is highly correlated with the type of metal used. However, the differences in the resistance mechanisms of filamentous fungi to multiple metals remain unclear. In this study, we investigated the responses of Aspergillus niger to three toxic metals, i.e., Pb2+, Cd2+, and Cu2+. Fungal growth and metabolism indices showed that A. niger had a higher tolerance to Pb2+ (>1000 mg L-1) than to Cu2+ (300 mg L-1) and Cd2+ (50 mg L-1). An appropriate Pb2+ concentration (<500 mg L-1) stimulated fungal growth and metabolic activity, whereas Cd2+ and Cu2+ stress showed continuously negative influences on fungal physiological parameters, such as biomass and secretion of oxalic acid. A. niger responded to Pb stress by constructing a new border layer around its cell wall. This pathway was also confirmed using RNA-seq analysis, i.e., the gene encoding cell wall α-1,3-glucan synthase was upregulated. This upregulation subsequently promoted the production of polysaccharides, which are the main components that support fungal cell walls. In contrast, the expression of genes encoding both AAA family ATPase and efflux pump antibiotic resistance proteins for Cd2+ and Cu2+ was significantly downregulated. Therefore, these findings elucidated the relatively complete fungal responses to different metal stresses.
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Affiliation(s)
- Lin Zhang
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, China; College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China; Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee DD1 5EH, UK
| | - Xin Yang
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, China
| | - Sensen Li
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Lingyi Tang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Tianyi Chen
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Tingting Gu
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
| | - Genqiang Chen
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang 471023, China
| | - Geoffrey Michael Gadd
- Geomicrobiology Group, School of Life Sciences, University of Dundee, Dundee DD1 5EH, UK; State Key Laboratory of Heavy Oil Processing, Beijing Key Laboratory of Oil and Gas Pollution Control, College of Chemical Engineering and Environment, China University of Petroleum, Beijing 102249, China.
| | - Zhen Li
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China; Jiangsu Provincial Key Lab for Organic Solid Waste Utilization, Nanjing Agricultural University, Nanjing 210095, China.
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22
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Hkiri N, Olicón-Hernández DR, Pozo C, Chouchani C, Asses N, Aranda E. Simultaneous Heavy Metal-Polycyclic Aromatic Hydrocarbon Removal by Native Tunisian Fungal Species. J Fungi (Basel) 2023; 9:jof9030299. [PMID: 36983467 PMCID: PMC10054441 DOI: 10.3390/jof9030299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/16/2023] [Accepted: 02/21/2023] [Indexed: 03/02/2023] Open
Abstract
Multi-contamination by organic pollutants and toxic metals is common in anthropogenic and industrial environments. In this study, the five fungal strains Chaetomium jodhpurense (MH667651.1), Chaetomium maderasense (MH665977.1), Paraconiothyrium variabile (MH667653.1), Emmia lacerata, and Phoma betae (MH667655.1), previously isolated in Tunisia, were investigated for the simultaneous removal and detoxification of phenanthrene (PHE) and benzo[a]anthracene (BAA), as well as heavy metals (HMs) (Cu, Zn, Pb and Ag) in Kirk’s media. The removal was analysed using HPLC, ultra-high performance liquid chromatography (UHPLC) coupled to a QToF mass spectrometer, transmission electron microscopy, and toxicology was assessed using phytotoxicity (Lepidium sativum seeds) and Microtox® (Allivibrio fisherii) assays. The PHE and BAA degradation rates, in free HMs cultures, reached 78.8% and 70.7%, respectively. However, the addition of HMs considerably affected the BAA degradation rate. The highest degradation rates were associated with the significant production of manganese-peroxidase, lignin peroxidase, and unspecific peroxygenase. The Zn and Cu removal efficacy was considerably higher with live cells than dead cells. Transmission electron microscopy confirmed the involvement of both bioaccumulation and biosorption processes in fungal HM removal. The environmental toxicological assays proved that simultaneous PAH and HM removal was accompanied by detoxification. The metabolites produced during co-treatment were not toxic for plant tissues, and the acute toxicity was reduced. The obtained results indicate that the tested fungi can be applied in the remediation of sites simultaneously contaminated with PAHs and HMs.
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Affiliation(s)
- Neila Hkiri
- Institute of Water Research, University of Granada, 18071 Granada, Spain
- Laboratory of Environmental Sciences and Technologies, Higher Institute of Sciences and Technologies of the Environment, University of Carthage, Tunis 1000, Tunisia
- Correspondence: (N.H.); (E.A.)
| | - Dario R. Olicón-Hernández
- Laboratorio de Bioquímica y Biotecnología de Hongos, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico
| | - Clementina Pozo
- Institute of Water Research, University of Granada, 18071 Granada, Spain
- Department of Microbiology, University of Granada, 18071 Granada, Spain
| | - Chedly Chouchani
- Laboratory of Environmental Sciences and Technologies, Higher Institute of Sciences and Technologies of the Environment, University of Carthage, Tunis 1000, Tunisia
| | - Nedra Asses
- Laboratory of Microbial Ecology and Technology, National Institute of Applied Science and Technology, University of Carthage, Tunis 1000, Tunisia
| | - Elisabet Aranda
- Institute of Water Research, University of Granada, 18071 Granada, Spain
- Department of Microbiology, University of Granada, 18071 Granada, Spain
- Correspondence: (N.H.); (E.A.)
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23
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Ghosh S, Rusyn I, Dmytruk OV, Dmytruk KV, Onyeaka H, Gryzenhout M, Gafforov Y. Filamentous fungi for sustainable remediation of pharmaceutical compounds, heavy metal and oil hydrocarbons. Front Bioeng Biotechnol 2023; 11:1106973. [PMID: 36865030 PMCID: PMC9971017 DOI: 10.3389/fbioe.2023.1106973] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 01/31/2023] [Indexed: 02/16/2023] Open
Abstract
This review presents a comprehensive summary of the latest research in the field of bioremediation with filamentous fungi. The main focus is on the issue of recent progress in remediation of pharmaceutical compounds, heavy metal treatment and oil hydrocarbons mycoremediation that are usually insufficiently represented in other reviews. It encompasses a variety of cellular mechanisms involved in bioremediation used by filamentous fungi, including bio-adsorption, bio-surfactant production, bio-mineralization, bio-precipitation, as well as extracellular and intracellular enzymatic processes. Processes for wastewater treatment accomplished through physical, biological, and chemical processes are briefly described. The species diversity of filamentous fungi used in pollutant removal, including widely studied species of Aspergillus, Penicillium, Fusarium, Verticillium, Phanerochaete and other species of Basidiomycota and Zygomycota are summarized. The removal efficiency of filamentous fungi and time of elimination of a wide variety of pollutant compounds and their easy handling make them excellent tools for the bioremediation of emerging contaminants. Various types of beneficial byproducts made by filamentous fungi, such as raw material for feed and food production, chitosan, ethanol, lignocellulolytic enzymes, organic acids, as well as nanoparticles, are discussed. Finally, challenges faced, future prospects, and how innovative technologies can be used to further exploit and enhance the abilities of fungi in wastewater remediation, are mentioned.
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Affiliation(s)
- Soumya Ghosh
- Department of Genetics, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa,*Correspondence: Soumya Ghosh, ,
| | - Iryna Rusyn
- Department of Ecology and Sustainaible Environmental Management, Viacheslav Chornovil Institute of Sustainable Development, Lviv Polytechnic National University, Lviv, Ukraine
| | - Olena V. Dmytruk
- Institute of Cell Biology NAS of Ukraine, Lviv, Ukraine,Institute of Biology and Biotechnology, University of Rzeszow, Rzeszow, Poland
| | - Kostyantyn V. Dmytruk
- Institute of Cell Biology NAS of Ukraine, Lviv, Ukraine,Institute of Biology and Biotechnology, University of Rzeszow, Rzeszow, Poland
| | - Helen Onyeaka
- School of Chemical Engineering, University of Birmingham, Birmingham, United Kingdom
| | - Marieka Gryzenhout
- Department of Genetics, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa
| | - Yusufjon Gafforov
- Mycology Laboratory, Institute of Botany, Academy of Sciences of Republic of Uzbekistan, Tashkent, Uzbekistan,AKFA University, Tashkent, Uzbekistan
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24
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Carvajal M, Jeldres P, Vergara A, Lobaina E, Olivares M, Meza D, Velásquez A, Dorta F, Jorquera F, Seeger M, Cereceda-Balic F, Fadic X. Bioremoval of copper by filamentous fungi isolated from contaminated soils of Puchuncaví-Ventanas Central Chile. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023:10.1007/s10653-023-01493-z. [PMID: 36729229 DOI: 10.1007/s10653-023-01493-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
Pollution represents a high risk to plants, animals, and human beings, causing an imbalance and affecting the environment. Soil is considered a universal sink, containing the highest load of environmental pollution. Puchuncaví-Ventanas sector, decreed as a saturated contamination zone in 1993, is considered one of the most affected areas by industrial pollution and belongs to one of the 5 sacrifice zones of Chile. The localities of Puchuncaví and Ventanas have heavy metal pollution levels that exceed up to 99% of the limits allowed by Canadian standards. The objective of this study was to characterize heavy metal tolerance and removal potential of filamentous fungi isolated from polluted soils for their use in decontamination systems and in situ soil improvement. Six fungal strains were selected based on their tolerance and a high capability to accumulate heavy metals, achieving copper bioaccumulation of 84% (Mortierella sp. strain LG01), 49% (Clonostachys sp. strain CQ23) and 48-77.5% (Trichoderma sp. strain LM01A). Trichoderma sp. strain LM01A was able to remove 41% of copper from contaminated soil under ex situ conditions. Some fungal strains belong to beneficial fungal genera, which are used as bioproducts in agriculture. The results of this study highlighted the use of Trichoderma sp. in soils contaminated, which may be of special interest in agriculture due to the large amounts of copper sulfate still applied as a pesticide in Chile and the world.
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Affiliation(s)
- M Carvajal
- Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile
- Molecular Microbiology and Environmental Biotechnology Laboratory, Department of Chemistry, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso, Chile
| | - P Jeldres
- Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile
| | - A Vergara
- Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile
- Molecular Microbiology and Environmental Biotechnology Laboratory, Department of Chemistry, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso, Chile
| | - E Lobaina
- Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile
- Molecular Microbiology and Environmental Biotechnology Laboratory, Department of Chemistry, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso, Chile
| | - M Olivares
- Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile
| | - D Meza
- Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile
| | - A Velásquez
- Molecular Microbiology and Environmental Biotechnology Laboratory, Department of Chemistry, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso, Chile
- Department of Ecology, Pontificia Universidad Católica de Chile, Alameda 340, Santiago, Chile
| | - F Dorta
- Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile
| | - F Jorquera
- Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile
| | - M Seeger
- Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile
- Molecular Microbiology and Environmental Biotechnology Laboratory, Department of Chemistry, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso, Chile
| | - F Cereceda-Balic
- Centre for Environmental Technologies CETAM, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso, Chile
- Department of Chemistry, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso, Chile
| | - X Fadic
- Centre for Environmental Technologies CETAM, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso, Chile.
- Department of Chemistry, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso, Chile.
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25
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Sun J, Luo J, Ma R, Lin J, Fang L. Effects of microwave and plastic content on the sulfur migration during co-pyrolysis of biomass and plastic. CHEMOSPHERE 2023; 305:135457. [PMID: 36584830 DOI: 10.1016/j.chemosphere.2022.135457] [Citation(s) in RCA: 65] [Impact Index Per Article: 65.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 06/19/2022] [Accepted: 06/20/2022] [Indexed: 05/25/2023]
Abstract
In order to reduce the risks of sulfur-containing contaminants present in biofuels, the effects of microwave and content of hydrogen donor on the cracking of C-S bonds and the migration of sulfur were studied by co-pyrolysis of biomass and plastic. The synergistic mechanism of microwave and hydrogen donor was explored from the perspective of deducing the evolution of sulfur-containing compounds based on microwave thermogravimetric analysis. By combining temperature-weight curves, it was found that microwaves and hydrogen radicals promoted the cracking of sulfur-containing compounds and increased the mass loss of biomass during pyrolysis. The mixing ratio of hydrogen donor (plastic) was the key parameter resulting in the removal of sulfur from oil. By adjusting the mixing ratio, the yield of co-pyrolyzed oil was three times higher than that of cow dung pyrolysis alone and the relative removal rate of sulfur reached 73.67%. The relative content of sulfur in the oil was reduced by 73.77% due to the escape of sulfur-containing gases (H2S, COS and C2H5SH) and the formation of sulfate crystals in the char. Microwave selectively heated sulfur-containing organics and hydrogen radicals stimulated the breaking of C-S bonds, which improved the cracking efficiency of the oil. This breaking will provide a theoretical and technological reference for the environmentally friendly treatment of biomass and biofuels.
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Affiliation(s)
- Jiaman Sun
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Juan Luo
- School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Rui Ma
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Junhao Lin
- School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Lin Fang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
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26
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Plant and Microbial Approaches as Green Methods for the Synthesis of Nanomaterials: Synthesis, Applications, and Future Perspectives. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28010463. [PMID: 36615655 PMCID: PMC9823860 DOI: 10.3390/molecules28010463] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 12/23/2022] [Accepted: 12/27/2022] [Indexed: 01/05/2023]
Abstract
The unique biological and physicochemical characteristics of biogenic (green-synthesized) nanomaterials (NMs) have attracted significant interest in different fields, with applications in the agrochemical, food, medication delivery, cosmetics, cellular imaging, and biomedical industries. To synthesize biogenic nanomaterials, green synthesis techniques use microorganisms, plant extracts, or proteins as bio-capping and bio-reducing agents and their role as bio-nanofactories for material synthesis at the nanoscale size. Green chemistry is environmentally benign, biocompatible, nontoxic, and economically effective. By taking into account the findings from recent investigations, we shed light on the most recent developments in the green synthesis of nanomaterials using different types of microbes and plants. Additionally, we cover different applications of green-synthesized nanomaterials in the food and textile industries, water treatment, and biomedical applications. Furthermore, we discuss the future perspectives of the green synthesis of nanomaterials to advance their production and applications.
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27
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Ban Y, Tan J, Xiong Y, Mo X, Li W, Jia C, Ding Y, Xu Z. The responses and detoxification mechanisms of dark septate endophytes (DSE), Exophiala salmonis, to CuO nanoparticles. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:13773-13787. [PMID: 36149553 DOI: 10.1007/s11356-022-23099-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023]
Abstract
To understand the tolerance mechanisms of dark septate endophytes (DSE), Exophiala salmonis, to CuO nanoparticles (CuO-NPs) with different sizes (40 and 150 nm), we investigated the morphology, antioxidant response, Cu subcellular distribution, and the melanin gene expression in the mycelia of E. salmonis. E. salmonis was cultured in liquid and solid media under the stress of increasing CuO-NP concentrations (0, 50, 100, 150, and 250 mg/L). Results showed that (1) E. salmonis showed good CuO-NP tolerance, and the tolerance to CuO-NPs at 150 nm was stronger than that at 40 nm. A large number of agglomeration structures were observed on the mycelia surface with the exception of 50 mg/L CuO-NPs with a diameter of 150 nm. (2) CuO-NP stress significantly stimulated the production of antioxidant enzymes, particularly the CuO-NPs with small particle size (40 nm). (3) Cu uptaken by E. salmonis increased proportionally with the increase of CuO-NP concentration in the medium. More than 80% Cu was absorbed in cell wall of mycelia treated with a small particle size (40 nm). (4) FTIR analysis revealed that hydroxyl, amine, carboxyl, and phosphate groups were associated with CuO-NP binding regardless of particle size. (5) Fungal melanin content increased with the addition of CuO-NPs; the increase of melanin induced by CuO-NPs with small particle size (40 nm) was more significant. (6) The expression of 1,3,6,8-tetrahydroxynaphthalene reductase (Arp2) in the melanin synthesis pathway increased under the stress of CuO-NPs, and CuO-NPs with a small particle size (40 nm) caused a significant change in the expression level of Arp2 gene than those with a large particle size (150 nm). In conclusion, E. salmonis had a strong tolerance to CuO-NPs and mitigated the toxic effects of CuO-NPs through the antioxidant system, the expression of genes related to melanin synthesis, and the synthesis of melanin.
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Affiliation(s)
- Yihui Ban
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, Hubei, China
| | - Jiayuan Tan
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, Hubei, China
| | - Yang Xiong
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, Hubei, China
| | - Xiantong Mo
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, Hubei, China
| | - Wenxuan Li
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, Hubei, China
| | - Chenyue Jia
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, Hubei, China
| | - Yiwen Ding
- School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, Hubei, China
| | - Zhouying Xu
- School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan, 430070, Hubei, China.
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Dusengemungu L, Gwanama C, Simuchimba G, Mubemba B. Potential of bioaugmentation of heavy metal contaminated soils in the Zambian Copperbelt using autochthonous filamentous fungi. Front Microbiol 2022; 13:1045671. [PMID: 36532421 PMCID: PMC9752026 DOI: 10.3389/fmicb.2022.1045671] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 10/21/2022] [Indexed: 11/07/2023] Open
Abstract
There is great potential to remediate heavy metal contaminated environments through bioaugmentation with filamentous fungi. However, these fungi have been poorly investigated in most developing countries, such as Zambia. Therefore, the present study aimed at isolating indigenous filamentous fungi from heavy metal contaminated soil and to explore their potential for use in bioaugmentation. The conventional streak plate method was used to isolate fungi from heavy metal-contaminated soil. Filamentous fungal isolates were identified using morphological and molecular techniques. The radial growth diameter technique was used to evaluate heavy metal tolerance of the fungi. The most abundant and highly tolerant fungi, identified as Aspergillus transmontanensis, Cladosporium cladosporioides, and Geotrichum candidum species, were used to bioremediate heavy metal contaminated soil samples with uncontaminated soil sample being employed as a control. A maximum tolerance index (TI) between 0.7 and 11.0 was observed for A. transmontanensis, and G. candidum while C. cladosporioides displayed the TI between 0.2 and 1.2 in the presence of 1,000 ppm of Cu, Co, Fe, Mn, and Zn. The interspecific interaction was analyzed to determine the compatibility among isolates. Our results showed mutual intermingling between the three evaluated fungal species, which confirms their common influence in biomineralization of heavy metals in contaminated soils. Maximum bio-removal capacities after 90 days were 72% for Cu, 99.8% for Co, 60.6% for Fe, 82.2% for Mn, and 100% for both Pb and Zn. This study has demonstrated the potential of highly resistant autochthonous fungal isolates to remediate the heavy metal contamination problem.
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Affiliation(s)
- Leonce Dusengemungu
- School of Mathematics and Natural Sciences, The Copperbelt University, Kitwe, Zambia
- Africa Centre of Excellence for Sustainable Mining, The Copperbelt University, Kitwe, Zambia
| | - Cousins Gwanama
- School of Natural Resources, The Copperbelt University, Kitwe, Zambia
| | - Grant Simuchimba
- School of Natural Resources, The Copperbelt University, Kitwe, Zambia
| | - Benjamin Mubemba
- School of Natural Resources, The Copperbelt University, Kitwe, Zambia
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Gupta A, Dubey P, Kumar M, Roy A, Sharma D, Khan MM, Bajpai AB, Shukla RP, Pathak N, Hasanuzzaman M. Consequences of Arsenic Contamination on Plants and Mycoremediation-Mediated Arsenic Stress Tolerance for Sustainable Agriculture. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11233220. [PMID: 36501260 PMCID: PMC9735799 DOI: 10.3390/plants11233220] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/10/2022] [Accepted: 11/22/2022] [Indexed: 05/13/2023]
Abstract
Arsenic contamination in water and soil is becoming a severe problem. It is toxic to the environment and human health. It is usually found in small quantities in rock, soil, air, and water which increase due to natural and anthropogenic activities. Arsenic exposure leads to several diseases such as vascular disease, including stroke, ischemic heart disease, and peripheral vascular disease, and also increases the risk of liver, lungs, kidneys, and bladder tumors. Arsenic leads to oxidative stress that causes an imbalance in the redox system. Mycoremediation approaches can potentially reduce the As level near the contaminated sites and are procuring popularity as being eco-friendly and cost-effective. Many fungi have specific metal-binding metallothionein proteins, which are used for immobilizing the As concentration from the soil, thereby removing the accumulated As in crops. Some fungi also have other mechanisms to reduce the As contamination, such as biosynthesis of glutathione, cell surface precipitation, bioaugmentation, biostimulation, biosorption, bioaccumulation, biovolatilization, methylation, and chelation of As. Arsenic-resistant fungi and recombinant yeast have a significant potential for better elimination of As from contaminated areas. This review discusses the relationship between As exposure, oxidative stress, and signaling pathways. We also explain how to overcome the detrimental effects of As contamination through mycoremediation, unraveling the mechanism of As-induced toxicity.
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Affiliation(s)
- Anmol Gupta
- IIRC-3, Plant-Microbe Interaction and Molecular Immunology Laboratory, Department of Biosciences, Faculty of Science, Integral University, Lucknow 226026, Uttar Pradesh, India
| | - Priya Dubey
- CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow 226001, Uttar Pradesh, India
| | - Manoj Kumar
- Institute of Plant Sciences, Agricultural Research Organization, Volcani Center, Rishon LeZion 7505101, Israel
- Correspondence: (M.K.); (M.H.)
| | - Aditi Roy
- CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow 226001, Uttar Pradesh, India
| | - Deeksha Sharma
- Plant Molecular Biology Laboratory, CSIR National Botanical Research Institute, Lucknow 226001, Uttar Pradesh, India
| | - Mohammad Mustufa Khan
- Department of Basic Medical Sciences, Integral Institute of Allied Health Sciences & Research (IIAHS&R), Integral University, Lucknow 226026, Uttar Pradesh, India
| | - Atal Bihari Bajpai
- Department of Botany, D.B.S. (PG) College, Dehradun 248001, Uttarakhand, India
| | | | - Neelam Pathak
- Department of Biochemistry, Dr. Rammanohar Lohia Avadh University, Ayodhya 224001, Uttar Pradesh, India
| | - Mirza Hasanuzzaman
- Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
- Correspondence: (M.K.); (M.H.)
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Vera-Reyes I, Altamirano-Hernández J, Reyes-de la Cruz H, Granados-Echegoyen CA, Loera-Alvarado G, López-López A, Garcia-Cerda LA, Loera-Alvarado E. Inhibition of Phytopathogenic and Beneficial Fungi Applying Silver Nanoparticles In Vitro. Molecules 2022; 27:molecules27238147. [PMID: 36500239 PMCID: PMC9738576 DOI: 10.3390/molecules27238147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/11/2022] [Accepted: 11/15/2022] [Indexed: 11/25/2022] Open
Abstract
In the current research, our work measured the effect of silver nanoparticles (AgNP) synthesized from Larrea tridentata (Sessé and Moc. ex DC.) on the mycelial growth and morphological changes in mycelia from different phytopathogenic and beneficial fungi. The assessment was conducted in Petri dishes, with Potato-Dextrose-Agar (PDA) as the culture medium; the AgNP concentrations used were 0, 60, 90, and 120 ppm. Alternaria solani and Botrytis cinerea showed the maximum growth inhibition at 60 ppm (70.76% and 51.75%). Likewise, Macrophomina spp. required 120 ppm of AgNP to achieve 65.43%, while Fusarium oxisporum was less susceptible, reaching an inhibition of 39.04% at the same concentration. The effect of silver nanoparticles was inconspicuous in Pestalotia spp., Colletotrichum gloesporoides, Phytophthora cinnamomi, Beauveria bassiana, Metarhizium anisopliae, and Trichoderma viridae fungi. The changes observed in the morphology of the fungi treated with nanoparticles were loss of definition, turgidity, and constriction sites that cause aggregations of mycelium, dispersion of spores, and reduced mycelium growth. AgNP could be a sustainable alternative to managing diseases caused by Alternaria solani and Macrophomina spp.
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Affiliation(s)
- Ileana Vera-Reyes
- CONACYT-Centro de Investigación en Química Aplicada, Depto. de Biociencias y Agrotecnología. Blvd, Enrique Reyna H. 140, Saltillo C.P. 25294, Coahuila, Mexico
| | - Josué Altamirano-Hernández
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Avenida Francisco J. Múgica S/N Ciudad Universitaria, Morelia C.P. 58030, Michoacán, Mexico
| | - Homero Reyes-de la Cruz
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Avenida Francisco J. Múgica S/N Ciudad Universitaria, Morelia C.P. 58030, Michoacán, Mexico
| | - Carlos A. Granados-Echegoyen
- CONACYT-Universidad Autónoma de Campeche, Centro de Estudios en Desarrollo Sustentable y Aprovechamiento de la Vida Silvestre (CEDESU), Av. Agustín Melgar, Colonia Buenavista, San Francisco de Campeche C.P. 24039, Campeche, Mexico
| | - Gerardo Loera-Alvarado
- Colegio de Postgraduados, Campus San Luis Potosí, Innovación en Manejo de Recursos Naturales, Iturbide 73, Salinas de Hidalgo C.P. 78600, San Luis Potosí, Mexico
| | - Abimael López-López
- Tecnológico Nacional de México, Campus Instituto Tecnológico de la Zona Maya, Carretera Chetumal-Escárcena, Km. 21.5, Ejido Juan Sarabia C.P. 77965, Quintana Roo, Mexico
| | - Luis A. Garcia-Cerda
- Centro de Investigación en Química Aplicada, Depto. Materiales Avanzados. Blvd, Enrique Reyna H. 140, San José de los Cerritos, Saltillo C.P. 25294, Coahuila, Mexico
| | - Esperanza Loera-Alvarado
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Avenida Francisco J. Múgica S/N Ciudad Universitaria, Morelia C.P. 58030, Michoacán, Mexico
- CONACYT-Universidad Michoacana de San Nicolás de Hidalgo, Avenida Francisco J. Múgica S/N Ciudad Universitaria, Morelia C.P. 58030, Michoacán, Mexico
- Correspondence:
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Liu J, Fu P, Wang L, Lin X, Enayatizamir N. A fungus ( Trametes pubescens) resists cadmium toxicity by rewiring nitrogen metabolism and enhancing energy metabolism. Front Microbiol 2022; 13:1040579. [PMID: 36504813 PMCID: PMC9733723 DOI: 10.3389/fmicb.2022.1040579] [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: 09/09/2022] [Accepted: 10/26/2022] [Indexed: 11/22/2022] Open
Abstract
As a primary goal, cadmium (Cd) is a heavy metal pollutant that is readily adsorbed and retained in rice, and it becomes a serious threat to food safety and human health. Fungi have attracted interest for their ability to remove heavy metals from the environment, although the underlying mechanisms of how fungi defend against Cd toxicity are still unclear. In this study, a Cd-resistant fungus Trametes pubescens (T. pubescens) was investigated. Pot experiments of rice seedlings colonized with T. pubescens showed that their coculture could significantly enhance rice seedling growth and reduce Cd accumulation in rice tissues. Furthermore, integrated transcriptomic and metabolomic analyses were used to explore how T. pubescens would reprogram its metabolic network against reactive oxygen species (ROS) caused by Cd toxicity. Based on multi-omic data mining results, we postulated that under Cd stress, T. pubescens was able to upregulate both the mitogen-activated protein kinase (MAPK) and phosphatidylinositol signaling pathways, which enhanced the nitrogen flow from amino acids metabolism through glutaminolysis to α-ketoglutarate (α-KG), one of the entering points of tricarboxylic acid (TCA) cycle within mitochondria; it thus increased the production of energy equivalents, adenosine triphosphate (ATP) and reduced nicotinamide adenine dinucleotide phosphate (NADPH) for T. pubescens to resist oxidative damage. This study can enable a better understanding of the metabolic rewiring of T. pubescens under Cd stress, and it can also provide a promising potential to prevent the rice paddy fields from Cd toxicity and enhance food safety.
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Affiliation(s)
- Jing Liu
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, China,School of Food Science and Engineering, Hainan University, Haikou, China
| | - Pengcheng Fu
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, China,*Correspondence: Pengcheng Fu,
| | - Li Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, China
| | - Xiuying Lin
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, China
| | - Naeimeh Enayatizamir
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou, China,Department of Soil Science, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran
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Tauqeer HM, Basharat Z, Adnan Ramzani PM, Farhad M, Lewińska K, Turan V, Karczewska A, Khan SA, Faran GE, Iqbal M. Aspergillus niger-mediated release of phosphates from fish bone char reduces Pb phytoavailability in Pb-acid batteries polluted soil, and accumulation in fenugreek. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 313:120064. [PMID: 36055452 DOI: 10.1016/j.envpol.2022.120064] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 08/20/2022] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
Soil receiving discharges from Pb-acid batteries dismantling and restoring units (PBS) can have a high concentration of phytoavailable Pb. Reducing Pb phytoavailability in PBS can decline Pb uptake in food crops and minimize the risks to humans and the environment. This pot study aimed to reduce the concentration of phytoavailable Pb in PBS through Aspergillus niger (A. niger)-mediated release of PO43- from fish bone [Apatite II (APII)] products. The PBS (Pb = 639 mg kg-1 soil) was amended with APII powder (APII-P), APII char (APII-C), and A. niger inoculum as separate doses, and combining A. niger with APII-P (APII-P + A. niger) and APII-C (APII-C + A. niger). The effects of these treatments on reducing the phytoavailability of Pb in PBS and its uptake in fenugreek were examined. Additionally, enzymatic activities and microbial biomass carbon (MBC) in the PBS and the indices of plant physiology, nutrition, and antioxidant defense machinery were scoped. Results revealed that the APII-C + A. niger treatment was the most efficient one. Compared to the control, it significantly reduced the Pb phytoavailability (DTPA-extractable Pb fraction) in soil and its uptake in plant shoots, roots, and grain, up to 61%, 83%, 74%, and 92%. The grain produced under APII-C + A. niger were safe for human consumption as Pb concentration in grain was 4.01 mg kg-1 DW, remaining within the permissible limit set by WHO/FAO (2007). The APII-C + A. niger treatment also improved soil pH, EC, CEC, MBC, available P content and enzymatic activities, and the fenugreek quality parameters. A. niger played a significant role in solubilizing PO43- from APII-C, which reacted with Pb and formed insoluble Pb-phosphates, thereby reducing Pb phytoavailability in PBS and its uptake in plants. This study suggests APII-C + A. niger can remediate Pb-polluted soils via reducing Pb phytoavailability in them.
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Affiliation(s)
| | - Zeeshan Basharat
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, 38000, Pakistan
| | | | - Muniba Farhad
- Department of Chemistry, Government College University, Faisalabad, 38000, Pakistan
| | - Karolina Lewińska
- Adam Mickiewicz University in Poznan, Faculty of Geographical and Geological Sciences, Department of Soil Science and Remote Sensing of Soilsul, Bogumiła Krygowskiego 10, 61-680, Poznań, Poland
| | - Veysel Turan
- Department of Soil Science and Plant Nutrition, Bingöl University, Bingöl, Turkey
| | - Anna Karczewska
- Wrocław University of Environmental and Life Sciences, Institute of Soil Science, Plant Nutrition and Environmental Protection, ul. Grunwaldzka 53, 50-357, Wrocław, Poland
| | - Shahbaz Ali Khan
- Department of Environmental Sciences, University of Okara, Okara, 56300, Pakistan
| | - Gull-E Faran
- Department of Biochemistry, Biotechnology and Bioinformatics, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Muhammad Iqbal
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, 38000, Pakistan.
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Mycosynthesis of Metal-Containing Nanoparticles-Fungal Metal Resistance and Mechanisms of Synthesis. Int J Mol Sci 2022; 23:ijms232214084. [PMID: 36430561 PMCID: PMC9696665 DOI: 10.3390/ijms232214084] [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: 09/28/2022] [Revised: 11/08/2022] [Accepted: 11/11/2022] [Indexed: 11/17/2022] Open
Abstract
In the 21st century, nanomaterials play an increasingly important role in our lives with applications in many sectors, including agriculture, biomedicine, and biosensors. Over the last two decades, extensive research has been conducted to find ways to synthesise nanoparticles (NPs) via mediation with fungi or fungal extracts. Mycosynthesis can potentially be an energy-efficient, highly adjustable, environmentally benign alternative to conventional physico-chemical procedures. This review investigates the role of metal toxicity in fungi on cell growth and biochemical levels, and how their strategies of resistance, i.e., metal chelation, biomineral formation, biosorption, bioaccumulation, compartmentalisation, and efflux of metals from cells, contribute to the synthesis of metal-containing NPs used in different applications, e.g., biomedical, antimicrobial, catalytic, biosensing, and precision agriculture. The role of different synthesis conditions, including that of fungal biomolecules serving as nucleation centres or templates for NP synthesis, reducing agents, or capping agents in the synthesis process, is also discussed. The authors believe that future studies need to focus on the mechanism of NP synthesis, as well as on the influence of such conditions as pH, temperature, biomass, the concentration of the precursors, and volume of the fungal extracts on the efficiency of the mycosynthesis of NPs.
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Synthesis, structural characterization and catalytic application of zinc and cadmium sulfur complexes with imidazol-2-ylidene-N’-phenylthiourea ligand scaffold. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Harish V, Ansari MM, Tewari D, Gaur M, Yadav AB, García-Betancourt ML, Abdel-Haleem FM, Bechelany M, Barhoum A. Nanoparticle and Nanostructure Synthesis and Controlled Growth Methods. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12183226. [PMID: 36145012 PMCID: PMC9503496 DOI: 10.3390/nano12183226] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/07/2022] [Accepted: 09/09/2022] [Indexed: 05/19/2023]
Abstract
Nanomaterials are materials with one or more nanoscale dimensions (internal or external) (i.e., 1 to 100 nm). The nanomaterial shape, size, porosity, surface chemistry, and composition are controlled at the nanoscale, and this offers interesting properties compared with bulk materials. This review describes how nanomaterials are classified, their fabrication, functionalization techniques, and growth-controlled mechanisms. First, the history of nanomaterials is summarized and then the different classification methods, based on their dimensionality (0-3D), composition (carbon, inorganic, organic, and hybrids), origin (natural, incidental, engineered, bioinspired), crystal phase (single phase, multiphase), and dispersion state (dispersed or aggregated), are presented. Then, the synthesis methods are discussed and classified in function of the starting material (bottom-up and top-down), reaction phase (gas, plasma, liquid, and solid), and nature of the dispersing forces (mechanical, physical, chemical, physicochemical, and biological). Finally, the challenges in synthesizing nanomaterials for research and commercial use are highlighted.
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Affiliation(s)
- Vancha Harish
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Md Mustafiz Ansari
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Devesh Tewari
- Department of Pharmacognosy and Phytochemistry, School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, New Delhi 110017, India
| | - Manish Gaur
- Centre of Biotechnology, University of Allahabad, Prayagraj 211002, Uttar Pradesh, India
| | - Awadh Bihari Yadav
- Centre of Biotechnology, University of Allahabad, Prayagraj 211002, Uttar Pradesh, India
| | | | - Fatehy M. Abdel-Haleem
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt
- Center for Hazards Mitigation, Environmental Studies and Research (CHMESR), Cairo University, Giza 12613, Egypt
| | - Mikhael Bechelany
- Institut Europeen des Membranes, IEM, UMR 5635, University of Montpellier, ENSCM, CNRS, 34730 Montpellier, France
- Correspondence: (M.B.); or (A.B.)
| | - Ahmed Barhoum
- NanoStruc Research Group, Chemistry Department, Faculty of Science, Helwan University, Cairo 11795, Egypt
- School of Chemical Sciences, Dublin City University, D09 Y074 Dublin, Ireland
- Correspondence: (M.B.); or (A.B.)
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Malandrakis AA, Kavroulakis N, Chrysikopoulos CV. Zinc nanoparticles: Mode of action and efficacy against boscalid-resistant Alternaria alternata isolates. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 829:154638. [PMID: 35314223 DOI: 10.1016/j.scitotenv.2022.154638] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/01/2022] [Accepted: 03/14/2022] [Indexed: 06/14/2023]
Abstract
The antifungal potential of ZnO-NPs against Alternaria alternata isolates with reduced sensitivity to the succinate dehydrogenase inhibitor (SDHI) boscalid, resulting from target site modifications, was evaluated in vitro and in vivo. ZnO-NPs could effectively inhibit mycelial growth in a dose-dependent way in both boscalid (BOSC) sensitive (BOSC-S) and resistant (BOSC-R) isolates. The fungitoxic effect of ZnO-NPs against the pathogen was significantly enhanced when combined with boscalid compared to the individual treatments in all phenotype cases (BOSC-S/R) both in vitro and in vivo. Fungitoxic effect of ZnO-NPs could be, at least partly, attributed to zinc ion release as indicated by the positive correlation between sensitivities to the nanoparticles and their ionic counterpart ZnSO4 and the alleviation of the ZnO-NPs fungitoxic action in the presence of the strong chelating agent EDTA. The superior effectiveness of ZnO-NPs against A. alternata, compared to ZnSO4, could be due to nanoparticle properties interfering with cellular ion homeostasis mechanisms. The observed additive action of the oxidative phosphorylation-uncoupler fluazinam (FM) against all phenotypes indicates a possible role of ATP-dependent ion efflux mechanism in the mode of action of ZnO-NPs. A potential role of ROS production in the fungitoxic action of ZnO-NPs was evident by the additive/synergistic action of salicylhydroxamate (SHAM), which blocks the alternative oxidase antioxidant action. Mixture of ZnO-NPs and boscalid, resulting in a "capping" effect for the nanoparticles and significantly reducing their mean size, probably accounted for the synergistic effect of the mixture against both sensitive and resistant A. alternata isolates. Summarizing, results indicated that ZnO-NPs can be effectively used against A. alternata both alone or in combination with boscalid, providing an effective tool for combating SDHI-resistance and reducing the environmental fingerprint of synthetic fungicides.
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Affiliation(s)
| | - Nektarios Kavroulakis
- Hellenic Agricultural Organization "Demeter", Institute for Olive Tree, Subtropical Plants and Viticulture, Agrokipio-Souda, 73164 Chania, Greece
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Subhan A, Mourad AHI, Al-Douri Y. Influence of Laser Process Parameters, Liquid Medium, and External Field on the Synthesis of Colloidal Metal Nanoparticles Using Pulsed Laser Ablation in Liquid: A Review. NANOMATERIALS 2022; 12:nano12132144. [PMID: 35807980 PMCID: PMC9268572 DOI: 10.3390/nano12132144] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/09/2022] [Accepted: 06/16/2022] [Indexed: 01/27/2023]
Abstract
Pulsed laser ablation in liquid, used for nanoparticle synthesis from solid bulk metal targets (a top-down approach), has been a hot topic of research in the past few decades. It is a highly efficient and ‘green’ fabrication method for producing pure, stable, non-toxic (ligand-free), colloidal nanoparticles, which is often challenging using traditional chemical methods. Due to the short time scale interaction between the laser pulses and the target, it is difficult to achieve complete control on the physical characteristics of metallic nanoparticles. Laser process parameters, liquid environment, and external fields vastly effect the shape and structure of nanoparticles for targeted applications. Past reviews on pulsed laser ablation have focused extensively on synthesising different materials using this technique but little attention has been given to explaining the dependency aspect of the process parameters in fine-tuning the nanoparticle characteristics. In this study, we reviewed the state of the art literature available on this technique, which can help the scientific community develop a comprehensive understanding with special insights into the laser ablation mechanism. We further examined the importance of these process parameters in improving the ablation rate and productivity and analysed the morphology, size distribution, and structure of the obtained nanoparticles. Finally, the challenges faced in nanoparticle research and prospects are presented.
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Affiliation(s)
- Abdul Subhan
- Mechanical and Aerospace Engineering Department, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates;
| | - Abdel-Hamid Ismail Mourad
- Mechanical and Aerospace Engineering Department, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates;
- National Water and Energy Center, United Arab Emirates University, Al-Ain P.O. Box 15551, United Arab Emirates
- Mechanical Design Department, Faculty of Engineering, El Mataria, Helwan University, Cairo 11795, Egypt
- Correspondence:
| | - Yarub Al-Douri
- Engineering Department, American University of Iraq-Sulaimani, Sulaimani P.O. Box 46001, Kurdistan Region, Iraq;
- Department of Mechatronics Engineering, Faculty of Engineering and Natural Sciences, Bahcesehir University, Besiktas, Istanbul 34349, Turkey
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Zhen Y, Ge L, Chen Q, Xu J, Duan Z, Loor JJ, Wang M. Latent Benefits and Toxicity Risks Transmission Chain of High Dietary Copper along the Livestock-Environment-Plant-Human Health Axis and Microbial Homeostasis: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6943-6962. [PMID: 35666880 DOI: 10.1021/acs.jafc.2c01367] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The extensive use of high-concentration copper (Cu) in feed additives, fertilizers, pesticides, and nanoparticles (NPs) inevitably causes significant pollution in the ecological environment. This type of chain pollution begins with animal husbandry: first, Cu accumulation in animals poisons them; second, high Cu enters the soil and water sources with the feces and urine to cause toxicity, which may further lead to crop and plant pollution; third, this process ultimately endangers human health through consumption of livestock products, aquatic foods, plants, and even drinking water. High Cu potentially alters the antibiotic resistance of soil and water sources and further aggravates human disease risks. Thus, it is necessary to formulate reasonable Cu emission regulations because the benefits of Cu for livestock and plants cannot be ignored. The present review evaluates the potential hazards and benefits of high Cu in livestock, the environment, the plant industry, and human health. We also discuss aspects related to bacterial and fungal resistance and homeostasis and perspectives on the application of Cu-NPs and microbial high-Cu removal technology to reduce the spread of toxicity risks to humans.
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Affiliation(s)
- Yongkang Zhen
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
- State Key Laboratory of Sheep Genetic Improvement and Healthy Production, Xinjiang Academy of Agricultural Reclamation Sciences, Shihezi, Xinjiang 832000, China
| | - Ling Ge
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Qiaoqing Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Jun Xu
- Institute for Quality and Safety and Standards of Agricultural Products Research, Jiangxi Academy of Agricultural Sciences, Nanchang, Jiangxi 330000, China
| | - Zhenyu Duan
- State Key Laboratory of Sheep Genetic Improvement and Healthy Production, Xinjiang Academy of Agricultural Reclamation Sciences, Shihezi, Xinjiang 832000, China
| | - Juan J Loor
- Mammalian Nutrition Physiology Genomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana, Illinois 61801, United States
| | - Mengzhi Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
- State Key Laboratory of Sheep Genetic Improvement and Healthy Production, Xinjiang Academy of Agricultural Reclamation Sciences, Shihezi, Xinjiang 832000, China
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Tian Z, Wang Y, Zhuang Y, Mao C, Shi Y, Sun L. Fungus–Fungus Association of Boletus griseus and Hypomyces chrysospermus and Cadmium Resistance Characteristics of Symbiotic Fungus Hypomyces chrysospermus. J Fungi (Basel) 2022; 8:jof8060578. [PMID: 35736061 PMCID: PMC9225628 DOI: 10.3390/jof8060578] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/17/2022] [Accepted: 05/22/2022] [Indexed: 12/10/2022] Open
Abstract
Fungi bioaccumulation of heavy metals is a promising approach to remediate polluted soil and water. Boletus griseus could accumulate high amounts of Cd, even in a natural habitat with low Cd contents. This study found a symbiotic association of B. griseus with a fungus. The symbiotic fungus was isolated and identified as Hypomyces chrysospermus. The isolated strain had a strong ability to tolerate Cd. The minimum inhibitory concentration of Cd of fungal growth was 200 mg·L−1. The Cd bioaccumulation capacity of the fungus reached 10.03 mg·g−1. The biomass production of the fungus was promoted by 20 mg·L−1 Cd. However, high concentrations of Cd suppressed fungal growth and significantly altered the morphology and fine texture of fungal hyphae and chlamydospores. The immobilization effects of the cell wall and acid compounds and antioxidant enzymes were employed by the fungus to alleviate the toxic effects of Cd. The results not only demonstrate a new insight into the Cd bioconcentration mechanisms of B. griseus but also provide a potential bioremediation fungus for Cd contamination.
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Affiliation(s)
| | | | | | | | | | - Liping Sun
- Correspondence: ; Tel./Fax: +86-871-65920216
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Robinson JR, Isikhuemhen OS, Anike FN, Subedi K. Physiological Response of Saccharomyces cerevisiae to Silver Stress. J Fungi (Basel) 2022; 8:jof8050539. [PMID: 35628793 PMCID: PMC9145431 DOI: 10.3390/jof8050539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 05/19/2022] [Accepted: 05/21/2022] [Indexed: 11/25/2022] Open
Abstract
Silver nanoparticle (AgNP) production and their use as antimicrobial agents is a current area of active research. Biosynthesis is the most sustainable production method, and fungi have become candidates of interest in AgNP production. However, investigations into the physiological responses of fungi due to silver exposure are scanty. This present work utilized two strains of Saccharomyces cerevisiae (one used in commercial fermentation and a naturally occurring strain) to determine the physiological consequences of their transient exposure to AgNO3. The assessments were based on studies involving growth curves, minimal inhibitory concentration assays, scanning electron microscopy (SEM) and transmission electron microscopy (TEM) imaging, and inductively coupled plasma optical emission spectroscopy (ICP-OES). Results indicated (a) the capability of S. cerevisiae to produce silver nanoparticles, even at elevated levels of exposure; (b) strain origin had no significant impact on S. cerevisiae physiological response to AgNO3; and (c) coexposure to copper and silver significantly increased intracellular copper, silver, and calcium in treated yeast cells. In addition, electron microscopy and ICP-OES results revealed that both strains internalized silver after exposure, resulting in the shrunken and distorted physical appearance visible on SEM micrographs of treated cells. Though a promising candidate for AgNPs biosynthesis, this study analyzed the effects of transient silver exposure on S. cerevisiae growth physiology and morphology.
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Affiliation(s)
- Janelle R. Robinson
- Department of Natural Resources and Environmental Design, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC 27411, USA; (J.R.R.); (F.N.A.)
| | - Omoanghe S. Isikhuemhen
- Department of Natural Resources and Environmental Design, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC 27411, USA; (J.R.R.); (F.N.A.)
- Correspondence:
| | - Felicia N. Anike
- Department of Natural Resources and Environmental Design, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC 27411, USA; (J.R.R.); (F.N.A.)
| | - Kiran Subedi
- Analytical Services Laboratory, College of Agriculture and Environmental Sciences, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC 27411, USA;
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Current knowledge on molecular mechanisms of microorganism-mediated bioremediation for arsenic contamination: A review. Microbiol Res 2022; 258:126990. [DOI: 10.1016/j.micres.2022.126990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 02/09/2022] [Accepted: 02/14/2022] [Indexed: 11/30/2022]
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Kolhe N, Damle E, Pradhan A, Zinjarde S. A comprehensive assessment of Yarrowia lipolytica and its interactions with metals: Current updates and future prospective. Biotechnol Adv 2022; 59:107967. [PMID: 35489656 DOI: 10.1016/j.biotechadv.2022.107967] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 04/22/2022] [Accepted: 04/22/2022] [Indexed: 11/16/2022]
Abstract
The non-conventional yeast Yarrowia lipolytica has been popular as a model system for understanding biological processes such as dimorphism and lipid accumulation. The organism can efficiently utilize hydrophobic substrates (hydrocarbons and triglycerides) thereby rendering it relevant in bioremediation of oil polluted environments. The current review focuses on the interactions of this fungus with metal pollutants and its potential application in bioremediation of metal contaminated locales. This fungus is intrinsically equipped with a variety of physiological and biochemical features that enable it to tide over stress conditions induced by the presence of metals. Production of enzymes such as phosphatases, reductases and superoxide dismutases are worth a special mention. In the presence of metals, levels of inherently produced metal binding proteins (metallothioneins) and the pigment melanin are seen to be elevated. Morphological alterations with respect to biofilm formation and dimorphic transition from yeast to mycelial form are also induced by certain metals. The biomass of Y. lipolytica is inherently important as a biosorbent and cell surface modification, process optimization or whole cell immobilization techniques have aided in improving this capability. In the presence of metals such as mercury, cadmium, copper and uranium, the culture forms nanoparticulate deposits. In addition, on account of its intrinsic reductive ability, Y. lipolytica is being exploited for synthesizing nanoparticles of gold, silver, cadmium and selenium with applications as antimicrobial compounds, location agents for bioimaging and as feed supplements. This versatile organism thus has great potential in interacting with various metals and addressing problems related to their pollutant status.
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Affiliation(s)
- Nilesh Kolhe
- Department of Biotechnology (with jointly merged Institute of Bioinformatics and Biotechnology), Savitribai Phule Pune University, Pune 411007, India
| | - Eeshan Damle
- Department of Biotechnology (with jointly merged Institute of Bioinformatics and Biotechnology), Savitribai Phule Pune University, Pune 411007, India
| | - Aditya Pradhan
- Department of Biotechnology (with jointly merged Institute of Bioinformatics and Biotechnology), Savitribai Phule Pune University, Pune 411007, India
| | - Smita Zinjarde
- Department of Biotechnology (with jointly merged Institute of Bioinformatics and Biotechnology), Savitribai Phule Pune University, Pune 411007, India.
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Nano-AgCu Alloy on Wood Surface for Mold Resistance. NANOMATERIALS 2022; 12:nano12071192. [PMID: 35407310 PMCID: PMC9002835 DOI: 10.3390/nano12071192] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 02/05/2023]
Abstract
The mold infection of wood reduces the quality of its surface and potentially endangers human health. One category of the most popular mold inhibitors on the market is water-soluble fungicides. However, easy leaching due to ionic forms is a problem, which reduces the effectiveness of their antimicrobial action, as well as causing environmental pollution. Interestingly, nanometer-sized sterilizing agents present strong permeability and highly fungicidal behavior, and they are not easily leached, due to the unique nanoscale effect, and they have become alternative candidates as marketable anti-mold agents for wood protection. In this study, we first designed and explored a nanoscale alloy (nano silver–copper alloy, nano-AgCu) to treat wood surfaces for mold growth resistance. The results showed that three molds, i.e., Aspergillus niger, Penicillium citrinum and Trichoderma viride, mainly grew on the surface of wood within a depth of 100 μm; and that the nano-AgCu alloy with a particle size of ~15 nm presented improved retention and anti-mold efficiency at a nanomaterial concentration on the wood surface. Its leaching rate increased non-linearly with the increase in nano-AgCu retention and then it showed a gradually decreasing trend. When the concentration reached 1000 mg/L, the nano-AgCu alloy uniformly distributed on the wood surface in a monodispersed state and exhibited a lower retention of 0.342 g/m2, with an anti-mold efficiency of more than 75% and a leaching rate of only 7.678%. Such results positioned 1000 mg/L as the toxic threshold concentration of nano-AgCu against the three molds. This study can provide a scientific basis for the analysis of the anti-mold mechanisms of nano-AgCu alloy on wood surfaces and guide the application of nano-metal alloy materials in the field of wood antimicrobials.
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Wang S, Dai H, Wei S, Skuza L, Chen Y. Effects of Cd-resistant fungi on uptake and translocation of Cd by soybean seedlings. CHEMOSPHERE 2022; 291:132908. [PMID: 34785183 DOI: 10.1016/j.chemosphere.2021.132908] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/05/2021] [Accepted: 11/12/2021] [Indexed: 06/13/2023]
Abstract
In this study, three cadmium (Cd)-resistant fungal strains, temporarily named as F1, F2 and F3 were isolated from the roots of Cd-tolerant soybean cultivars, rhizosphere and bulk soils, respectively, in contaminated sites. Cd-resistant strains F1, F2 and F3 were characterized for their effect on biomass, Cd uptake and translocation of two soybean cultivars (Liaodou36 and Liaodou33) grown in Cd-contaminated soils. The results showed that Cd concentration decreased significantly in Cd-supplemented culture solutions inoculated with strains F1, F2 and F3 compared to non-inoculated controls, while cell counts significantly increased during the incubation. The increase in shoot biomass of two soybean cultivars inoculated with strains F1, F2 and F3 ranged from 13% to 29%, 16%-27% and 15%-32%, respectively, compared to controls. Strain F2 had a higher potential to reduce the water-soluble Cd content (23% and 40%) and EDTA-extractable Cd content in the rhizosphere soil of Liaodou36 and Liaodou33 seedlings compared to strains F1 and F3. A significant decrease of Cd contents was observed in the root and shoot of Liaodou33 inoculated with strain F2 compared to non-inoculated controls, and inoculation with strain F2 significantly reduced the TF and BCF of Liaodou33 in comparison with controls. Based on ITS rRNA gene sequence analyses, the strains F1, F2 and F3 were identified as Mucor circinelloides (similarity 99.81%), Curvularia lunata (similarity 99.31%) and Clonostachys rosea (similarity 99.17%). The results of our study demonstrated that the strain F2 had a higher Cd biosorption and immobilization potential than strains F1 and F3. The strain F2 promoted the growth and reduced Cd uptake and translocation of Liaodou33 in Cd-polluted soils. It is worth noting that our results might provide an effective technical support for Cd immobilization remediation and safe soybean production by inoculating moderate Cd-accumulating soybean cultivars with strain F2 in Cd-contaminated soils.
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Affiliation(s)
- Siqi Wang
- Academy of Environmental and Chemical Engineering, Shenyang Ligong University, Shenyang, 110159, Liaoning, China; Key Laboratory of Pollution Ecology and Environment Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, China
| | - Huiping Dai
- College of Biological Science & Engineering, Shaanxi Province Key Laboratory of Bio-resources, Qinling-Bashan Mountains Bioresources Comprehensive Development C.I.C, State Key Laboratory of Biological Resources and Ecological Environment Jointly Built By Qinba Province and Ministry, Shaanxi University of Technology, Hanzhong, 723001, China.
| | - Shuhe Wei
- Key Laboratory of Pollution Ecology and Environment Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, 110016, China.
| | - Lidia Skuza
- Institute of Biology, Centre for Molecular Biology and Biotechnology, University of Szczecin, Szczecin, 71-415, Poland
| | - Yanqiu Chen
- Crop Institute of Liaoning Academy of Agricultural Science, Shenyang, Liaoning, 110161, China
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Ali M, Song X, Ding D, Wang Q, Zhang Z, Tang Z. Bioremediation of PAHs and heavy metals co-contaminated soils: Challenges and enhancement strategies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 295:118686. [PMID: 34920044 DOI: 10.1016/j.envpol.2021.118686] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/20/2021] [Accepted: 12/12/2021] [Indexed: 06/14/2023]
Abstract
Systemic studies on the bioremediation of co-contaminated PAHs and heavy metals are lacking, and this paper provides an in-depth review on the topic. The released sources and transport of co-contaminated PAHs and heavy metals, including their co-occurrence through formation of cation-π interactions and their adsorption in soil are examined. Moreover, it is investigated that co-contamination of PAHs and heavy metals can drive a synergistic positive influence on bioremediation through enhanced secretion of extracellular polymeric substances (EPSs), production of biosynthetic genes, organic acid and enzymatic proliferation. However, PAHs molecular structure, PAHs-heavy metals bioavailability and their interactive cytotoxic effects on microorganisms can exert a challenging influence on the bioremediation under co-contaminated conditions. The fluctuations in bioavailability for microorganisms are associated with soil properties, chemical coordinative interactions, and biological activities under the co-contaminated PAHs-heavy metals conditions. The interactive cytotoxicity caused by the emergence of co-contaminants includes microbial cell disruption, denaturation of DNA and protein structure, and deregulation of antioxidant biological molecules. Finally, this paper presents the emerging strategies to overcome the bioavailability problems and recommends the use of biostimulation and bioaugmentation along with the microbial immobilization for enhanced bioremediation of PAHs-heavy metals co-contaminated sites. Better knowledge of the bioremediation potential is imperative to improve the use of these approaches for the sustainable and cost-effective remediation of PAHs and heavy metals co-contamination in the near future.
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Affiliation(s)
- Mukhtiar Ali
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xin Song
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Da Ding
- Nanjing Institute of Environmental Science, Ministry of Ecology and Environment of the People's Republic of China, Nanjing, 210042, China
| | - Qing Wang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Zhuanxia Zhang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhiwen Tang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China; University of Chinese Academy of Sciences, Beijing, 100049, China
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Chaliha C, Baruah J, Kalita E. Nanoarchitectonics of Crosslinked Cu:ZnS-Lignocellulose Nanocomposite: A Potent Antifungal and Antisporulant System Against the Tea Pathogen Exobasidium vexans. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02225-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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A large transposable element mediates metal resistance in the fungus Paecilomyces variotii. Curr Biol 2022; 32:937-950.e5. [PMID: 35063120 DOI: 10.1016/j.cub.2021.12.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 08/11/2021] [Accepted: 12/17/2021] [Indexed: 12/19/2022]
Abstract
The horizontal transfer of large gene clusters by mobile elements is a key driver of prokaryotic adaptation in response to environmental stresses. Eukaryotic microbes face similar stresses; however, a parallel role for mobile elements has not been established. A stress faced by many microorganisms is toxic metal ions in their environment. In fungi, identified mechanisms for protection against metals generally rely on genes that are dispersed within an organism's genome. Here, we discover a large (∼85 kb) region that confers tolerance to five metal/metalloid ions (arsenate, cadmium, copper, lead, and zinc) in the genomes of some, but not all, strains of a fungus, Paecilomyces variotii. We name this region HEPHAESTUS (Hφ) and present evidence that it is mobile within the P. variotii genome with features characteristic of a transposable element. HEPHAESTUS contains the greatest complement of host-beneficial genes carried by a transposable element in eukaryotes, suggesting that eukaryotic transposable elements might play a role analogous to bacteria in the horizontal transfer of large regions of host-beneficial DNA. Genes within HEPHAESTUS responsible for individual metal tolerances include those encoding a P-type ATPase transporter-PcaA-required for cadmium and lead tolerance, a transporter-ZrcA-providing tolerance to zinc, and a multicopper oxidase-McoA-conferring tolerance to copper. In addition, a subregion of Hφ confers tolerance to arsenate. The genome sequences of other fungi in the Eurotiales contain further examples of HEPHAESTUS, suggesting that it is responsible for independently assembling tolerance to a diverse array of ions, including chromium, mercury, and sodium.
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Zhang Z, Zhao Y, Yang J, Guo J, Li J. Talaromyces cellulolyticus as a promising candidate for biofilm construction and treatment of textile wastewater. BIORESOURCE TECHNOLOGY 2021; 340:125718. [PMID: 34388660 DOI: 10.1016/j.biortech.2021.125718] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 07/30/2021] [Accepted: 07/31/2021] [Indexed: 06/13/2023]
Abstract
Screening of microorganisms with broad-spectrum adaptability to extreme acid-base conditions and highperformance is essential for the construction of high-efficient biochemical wastewater treatment system. Herein, an acid-tolerant fungus isolated from acid medium was successfully identified through micromorphological observation and molecular characterization. The isolated fungus matched well with the filamentous fungus and was eventually identified as Talaromyces cellulolyticus. Considering the wide-range adaptability to pH condition (2.0-9.0), high cellulase activity (11.25 U mL-1), ideal biofilm-forming property (17.87 mg cm-3) on the surface of ceramsites, high tolerance to metal ions, and potential adsorption performance for aniline dyes, T. cellulolyticus issuitable for the construction of biofilm treatment system and treatment of textile wastewater based on the investigation of the removal efficiency of chemical oxygen demand and chromaticity of the synthetic textile wastewater. A promising candidate filamentous fungus for the treatment of textile wastewater was provided.
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Affiliation(s)
- Zhifeng Zhang
- College of Life Science, Shanxi Normal University, Linfen, Shanxi 041000, China.
| | - Yu Zhao
- College of Life Science, Shanxi Normal University, Linfen, Shanxi 041000, China
| | - Jiajia Yang
- College of Life Science, Shanxi Normal University, Linfen, Shanxi 041000, China
| | - Junping Guo
- College of Life Science, Shanxi Normal University, Linfen, Shanxi 041000, China
| | - Jingping Li
- College of Life Sciences, Beijing Normal University, Beijing 100875, China
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50
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Liu D, Zhu L, Li T, Zhao Z. Mutualism between Dark Septate Endophytes (DSEs) and their host plants under metal stress: a case study. ALL LIFE 2021. [DOI: 10.1080/26895293.2021.1954097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Affiliation(s)
- Di Liu
- State Key Laboratory of Conservation and Utilization for Bioresources in Yunnan, Yunnan University, Kunming, People’s Republic of China
| | - Lingling Zhu
- State Key Laboratory of Conservation and Utilization for Bioresources in Yunnan, Yunnan University, Kunming, People’s Republic of China
| | - Tao Li
- State Key Laboratory of Conservation and Utilization for Bioresources in Yunnan, Yunnan University, Kunming, People’s Republic of China
| | - Zhiwei Zhao
- State Key Laboratory of Conservation and Utilization for Bioresources in Yunnan, Yunnan University, Kunming, People’s Republic of China
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