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Ali SS, Hassan LHS, El-Sheekh M. Microalgae-mediated bioremediation: current trends and opportunities-a review. Arch Microbiol 2024; 206:343. [PMID: 38967670 DOI: 10.1007/s00203-024-04052-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/05/2024] [Accepted: 06/14/2024] [Indexed: 07/06/2024]
Abstract
Environmental pollution poses a critical global challenge, and traditional wastewater treatment methods often prove inadequate in addressing the complexity and scale of this issue. On the other hand, microalgae exhibit diverse metabolic capabilities that enable them to remediate a wide range of pollutants, including heavy metals, organic contaminants, and excess nutrients. By leveraging the unique metabolic pathways of microalgae, innovative strategies can be developed to effectively remediate polluted environments. Therefore, this review paper highlights the potential of microalgae-mediated bioremediation as a sustainable and cost-effective alternative to conventional methods. It also highlights the advantages of utilizing microalgae and algae-bacteria co-cultures for large-scale bioremediation applications, demonstrating impressive biomass production rates and enhanced pollutant removal efficiency. The promising potential of microalgae-mediated bioremediation is emphasized, presenting a viable and innovative alternative to traditional treatment methods in addressing the global challenge of environmental pollution. This review identifies the opportunities and challenges for microalgae-based technology and proposed suggestions for future studies to tackle challenges. The findings of this review advance our understanding of the potential of microalgae-based technology wastewater treatment.
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Affiliation(s)
- Sameh S Ali
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.
| | - Lamiaa H S Hassan
- Faculty of Science, Menoufia University, Shebin El-kom, 32511, Egypt
| | - Mostafa El-Sheekh
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.
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Wang N, Wang X, Chen L, Liu H, Wu Y, Huang M, Fang L. Biological roles of soil microbial consortium on promoting safe crop production in heavy metal(loid) contaminated soil: A systematic review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168994. [PMID: 38043809 DOI: 10.1016/j.scitotenv.2023.168994] [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: 09/14/2023] [Revised: 11/08/2023] [Accepted: 11/27/2023] [Indexed: 12/05/2023]
Abstract
Heavy metal(loid) (HM) pollution of agricultural soils is a growing global environmental concern that affects planetary health. Numerous studies have shown that soil microbial consortia can inhibit the accumulation of HMs in crops. However, our current understanding of the effects and mechanisms of inhibition is fragmented. In this review, we summarise extant studies and knowledge to provide a comprehensive view of HM toxicity on crop growth and development at the biological, cellular and the molecular levels. In a meta-analysis, we find that microbial consortia can improve crop resistance and reduce HM uptake, which in turn promotes healthy crop growth, demonstrating that microbial consortia are more effective than single microorganisms. We then review three main mechanisms by which microbial consortia reduce the toxicity of HMs to crops and inhibit HMs accumulation in crops: 1) reducing the bioavailability of HMs in soil (e.g. biosorption, bioaccumulation and biotransformation); 2) improving crop resistance to HMs (e.g. facilitating the absorption of nutrients); and 3) synergistic effects between microorganisms. Finally, we discuss the prospects of microbial consortium applications in simultaneous crop safety production and soil remediation, indicating that they play a key role in sustainable agricultural development, and conclude by identifying research challenges and future directions for the microbial consortium to promote safe crop production.
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Affiliation(s)
- Na Wang
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, The Research Center of Soil and Water Conservation and Ecological Environment, CAS and MOE, Yangling 712100, China; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, CAS and MWR, Yangling 712100, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiangxiang Wang
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Li Chen
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Hongjie Liu
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Yanfang Wu
- Palm Eco-Town Development Co., Ltd., Zhengzhou 450000, China
| | - Min Huang
- Key Laboratory of Green Utilization of Critical Nonmetallic Mineral Resources, Ministry of Education, Wuhan University of Technology, Wuhan 430070, China
| | - Linchuan Fang
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, The Research Center of Soil and Water Conservation and Ecological Environment, CAS and MOE, Yangling 712100, China; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, CAS and MWR, Yangling 712100, China; Key Laboratory of Green Utilization of Critical Nonmetallic Mineral Resources, Ministry of Education, Wuhan University of Technology, Wuhan 430070, China.
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Hamid B, Majeed N, Ganai BA, Hassan S, Bashir Z, Wani PA, Perveen K, Sayyed RZ. Heavy-metal tolerant bacterial strains isolated from industrial sites and scrap yards in Kashmir, India. J Basic Microbiol 2023; 63:1361-1372. [PMID: 37712102 DOI: 10.1002/jobm.202300349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/07/2023] [Accepted: 08/26/2023] [Indexed: 09/16/2023]
Abstract
Heavy metal pollution has posed a severe danger to environmental stability due to its high toxicity and lack of biodegradability. The present study deals with the appraisement of tolerance shown by various bacteria in varied copper and iron concentrations. Among the 20 isolates, four isolates, GN2, SC5, SC8, and SC10, exhibiting more significant iron and copper tolerance, were selected and identified by 16 S ribosomal ribonucleic acid (rRNA) gene sequence analysis as Pantoea agglomerans strain GN2, Pantoea sp. strain SC5, Bacillus sp. strain SC8 and Priestia aryabhattaistrain SC10. The minimum inhibitory concentration of molecularly identified strains revealed that P. agglomerans strain GN2 showed tolerance to iron sulfate and copper sulfate upto 600 and 400 µg/mL, whereas Bacillus sp. SC8 (OQ202165) showed tolerance of 700 and 250 µg/mL were tolerant to iron sulfate and copper sulfate up to 700 and 150 µg/mL, respectively. Pantoea sp. strain SC5 showed significant tolerance to both heavy metals. The isolates were further studied for their ability to grow at varying temperatures and pH ranges. Most of the isolates showed optimal growth at 37°C and pH 7. However, Pantoea sp. SC5 was competent to have prominent growth at 45°C and pH 8.0. Microbial remediation, which is eco-friendly, has proven the most effective method for bioremediation of heavy metal-contaminated environments. Using heavy metal-resistant bacteria for microbial remediation of iron and copper-contaminated environments could be a viable and valuable strategy. These isolates could also be used to decontaminate heavy metal-polluted agricultural soils.
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Affiliation(s)
- Burhan Hamid
- Centre of Research for Development, University of Kashmir, Srinagar, India
| | - Neesa Majeed
- Centre of Research for Development, University of Kashmir, Srinagar, India
| | - Bashir Ahmad Ganai
- Centre of Research for Development, University of Kashmir, Srinagar, India
| | - Shahnawaz Hassan
- Department of Environmental Science, University of Kashmir, Srinagar, India
| | - Zaffar Bashir
- Centre of Research for Development, University of Kashmir, Srinagar, India
| | - Parvaze Ahmad Wani
- Centre of Research for Development, University of Kashmir, Srinagar, India
| | - Kahkashan Perveen
- Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - R Z Sayyed
- Department of Microbiology, PSGVP Mandal's Shri S I Patil Arts, G B Patel Science, and STKVS Commerce College, Shahada, India
- Asian PGPR Society, Department of Entomology, Auburn University, Auburn, Alabama, USA
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Numpilai T, Seubsai A, Chareonpanich M, Witoon T. Unraveling the roles of microporous and micro-mesoporous structures of carbon supports on iron oxide properties and As (V) removal performance in contaminated water. ENVIRONMENTAL RESEARCH 2023; 236:116742. [PMID: 37507043 DOI: 10.1016/j.envres.2023.116742] [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: 05/02/2023] [Revised: 07/12/2023] [Accepted: 07/24/2023] [Indexed: 07/30/2023]
Abstract
This study investigates the impact of microporous (SP-C) and micro-mesoporous carbon (DP-C) supports on the dispersion and phase transformation of iron oxides and their arsenic (V) removal efficiency. The research demonstrates that carbon-supported iron oxide sorbents exhibit superior As(V) uptake capacity compared to unsupported Fe2O3, attributed to reduced iron oxide crystallite sizes and As(V) adsorption on carbon supports. Maximum As(V) uptake capacities of 23.8 mg/g and 18.9 mg/g were achieved for Fe/SP-C and Fe/DP-C at 30 wt% and 50 wt% iron loading, respectively. The study reveals a nonlinear relationship between As(V) sorption capacity and iron oxide crystallite size after excluding As(V) adsorption capacity on carbon supports, suggesting the iron oxide phase (Fe3O4) plays a role in determining adsorption capacity. Iron oxide-loaded DP-C sorbents exhibit faster adsorption rates at low As(V) concentrations (5 mg/L) than SP-C sorbents due to their bimodal pore structure. Adsorption behavior varies at higher As(V) concentrations (45 mg/L), with Fe/DP-C reaching maximum capacity more slowly due to limited available adsorptive sites. All adsorbents maintained near-complete As(V) removal efficiency over five cycles. The findings provide insights for designing more efficient adsorbents for As(V) removal from contaminated water sources.
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Affiliation(s)
- Thanapha Numpilai
- Department of Environmental Science, Faculty of Science and Technology, Thammasat University, Pathum Thani, 12120, Thailand
| | - Anusorn Seubsai
- Center of Excellence on Petrochemical and Materials Technology, Department of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok, 10900, Thailand; Center for Advanced Studies in Nanotechnology for Chemical, Food and Agricultural Industries, KU Institute for Advanced Studies, Kasetsart University, Bangkok, 10900, Thailand
| | - Metta Chareonpanich
- Center of Excellence on Petrochemical and Materials Technology, Department of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok, 10900, Thailand; Center for Advanced Studies in Nanotechnology for Chemical, Food and Agricultural Industries, KU Institute for Advanced Studies, Kasetsart University, Bangkok, 10900, Thailand
| | - Thongthai Witoon
- Center of Excellence on Petrochemical and Materials Technology, Department of Chemical Engineering, Faculty of Engineering, Kasetsart University, Bangkok, 10900, Thailand; Center for Advanced Studies in Nanotechnology for Chemical, Food and Agricultural Industries, KU Institute for Advanced Studies, Kasetsart University, Bangkok, 10900, Thailand.
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Maqsood Q, Sumrin A, Waseem R, Hussain M, Imtiaz M, Hussain N. Bioengineered microbial strains for detoxification of toxic environmental pollutants. ENVIRONMENTAL RESEARCH 2023; 227:115665. [PMID: 36907340 DOI: 10.1016/j.envres.2023.115665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/05/2023] [Accepted: 03/08/2023] [Indexed: 05/08/2023]
Abstract
Industrialization and other anthropogenic human activities pose significant environmental risks. As a result of the hazardous pollution, numerous living organisms may suffer from undesirable diseases in their separate habitats. Bioremediation, which removes hazardous compounds from the environment using microbes or their biologically active metabolites, is one of the most successful remediation approaches. According to the United Nations Environment Program (UNEP), deteriorating soil health negatively impacts food security and human health over time. Soil health restoration is critical right now. Microbes are widely known for their importance in cleaning up toxins present in the soil, such as heavy metals, pesticides, and hydrocarbons. However, the capacity of local bacteria to digest these pollutants is limited, and the process takes an extended time. Genetically modified organisms (GMOs), whose altered metabolic pathways promote the over-secretion of a variety of proteins favorable to the bioremediation process, can speed up the breakdown process. The need for remediation procedures, degrees of soil contamination, site circumstances, broad adoptions, and numerous possibilities occurring at various cleaning stages are all studied in detail. Massive efforts to restore contaminated soils have also resulted in severe issues. This review focuses on the enzymatic removal of hazardous pollutants from the environment, such as pesticides, heavy metals, dyes, and plastics. There are also in-depth assessments of present discoveries and future plans for efficient enzymatic degradation of hazardous pollutants.
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Affiliation(s)
- Quratulain Maqsood
- Center for Applied Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Aleena Sumrin
- Center for Applied Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Rafia Waseem
- Center for Applied Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Maria Hussain
- Center for Applied Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Mehwish Imtiaz
- Center for Applied Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Nazim Hussain
- Center for Applied Molecular Biology, University of the Punjab, Lahore, Pakistan.
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Alagan M, Chandra Kishore S, Perumal S, Manoj D, Raji A, Kumar RS, Almansour AI, Lee YR. Narrative of hazardous chemicals in water: Its potential removal approach and health effects. CHEMOSPHERE 2023; 335:139178. [PMID: 37302496 DOI: 10.1016/j.chemosphere.2023.139178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/01/2023] [Accepted: 06/08/2023] [Indexed: 06/13/2023]
Abstract
H2O is essential for life to exist on earth; it is important to guarantee both the quality and supply of water to satisfy world demand. However, it became contaminated by a number of hazardous, inorganic industrial pollutants, which caused a number of issues like irrigation activities and unsafe human ingestion. Long-term exposure to harmful substances can result in respiratory, immunological, and neurological illnesses, cancer, and problems during pregnancy. Therefore, removing hazardous substances from wastewater and natural water sources is crucial. It is necessary to develop an alternate method that can effectively remove these toxins from water bodies, as conventional methods have several drawbacks. This review primarily aims to achieve the following goals: 1) to discuss the distribution of harmful chemicals: 2) to give specifics on numerous possible strategies for getting rid of hazardous chemicals, and 3) its effects on the environment and consequences for human health have been examined.
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Affiliation(s)
- Muthulakshmi Alagan
- Department of Civil and Environmental Engineering, National Institute of Technical Teachers Training and Research, Chennai, 600113, India.
| | - Somasundaram Chandra Kishore
- Department of Biomedical Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, 602105, India
| | - Suguna Perumal
- Department of Chemistry, Sejong University, Seoul, 143747, Republic of Korea
| | - Devaraj Manoj
- Department of Chemistry, Karpagam Academy of Higher Education, Coimbatore, 641021, Tamil Nadu, India; Centre for Material Chemistry, Karpagam Academy of Higher Education, Coimbatore, 641021, Tamil Nadu, India
| | - Atchudan Raji
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
| | - Raju Suresh Kumar
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Abdulrahman I Almansour
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
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Goncharuk EA, Zagoskina NV. Heavy Metals, Their Phytotoxicity, and the Role of Phenolic Antioxidants in Plant Stress Responses with Focus on Cadmium: Review. Molecules 2023; 28:molecules28093921. [PMID: 37175331 PMCID: PMC10180413 DOI: 10.3390/molecules28093921] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 04/24/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023] Open
Abstract
The current state of heavy metal (HM) environmental pollution problems was considered in the review: the effects of HMs on the vital activity of plants and the functioning of their antioxidant system, including phenolic antioxidants. The latter performs an important function in the distribution and binding of metals, as well as HM detoxification in the plant organism. Much attention was focused on cadmium (Cd) ions as one of the most toxic elements for plants. The data on the accumulation of HMs, including Cd in the soil, the entry into plants, and the effect on their various physiological and biochemical processes (photosynthesis, respiration, transpiration, and water regime) were analyzed. Some aspects of HMs, including Cd, inactivation in plant tissues, and cell compartments, are considered, as well as the functioning of various metabolic pathways at the stage of the stress reaction of plant cells under the action of pollutants. The data on the effect of HMs on the antioxidant system of plants, the accumulation of low molecular weight phenolic bioantioxidants, and their role as ligand inactivators were summarized. The issues of polyphenol biosynthesis regulation under cadmium stress were considered. Understanding the physiological and biochemical role of low molecular antioxidants of phenolic nature under metal-induced stress is important in assessing the effect/aftereffect of Cd on various plant objects-the producers of these secondary metabolites are widely used for the health saving of the world's population. This review reflects the latest achievements in the field of studying the influence of HMs, including Cd, on various physiological and biochemical processes of the plant organism and enriches our knowledge about the multifunctional role of polyphenols, as one of the most common secondary metabolites, in the formation of plant resistance and adaptation.
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Affiliation(s)
- Evgenia A Goncharuk
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia
| | - Natalia V Zagoskina
- K.A. Timiryazev Institute of Plant Physiology, Russian Academy of Sciences, 127276 Moscow, Russia
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Ghosh D, Ghorai P, Sarkar S, Maiti KS, Hansda SR, Das P. Microbial assemblage for solid waste bioremediation and valorization with an essence of bioengineering. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:16797-16816. [PMID: 36595166 DOI: 10.1007/s11356-022-24849-x] [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: 04/19/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
Environmental solid waste bioremediation is a method of treating contaminated solid waste that involves changing ecological conditions to foster the growth of a broad spectrum of microorganisms and the destruction of the target contaminants. A wide range of microorganisms creates metabolites that may break down and change solid waste-based pollution to various value-added molecules. Diverse bioremediation technologies, their limitations, and the procedure involve recycling solid waste materials from the environment. The existing environmental solid waste disposal services are insufficient and must be upgraded with more lucrative recovery, recycling, and reuse technologies to decrease the enormous expenditures in treatment procedures. Bioremediation of solid waste eliminates the toxic components. It restores the site with the advent of potential microbial communities towards solid waste valorization utilizing agriculture solid waste, organic food waste, plastic solid waste, and multiple industrial solid wastes.Bioengineering on diverse ranges of microbial regimes has accelerated to provide extra momentum toward solid waste recycling and valorization. This approach increases the activity of bioremediating microbes in the commercial development of waste treatment techniques and increases the cost-effective valuable product generation. This framework facilitates collaboration between solid waste and utilities. It can aid in establishing a long-term management strategy for recycling development with the advent of a broad spectrum of potential microbial assemblages, increasing solid waste contamination tolerance efficiency and solid waste degradability. The current literature survey extensively summarises solid waste remediation valorization using a broad spectrum of microbial assemblages with special emphasis on bioengineering-based acceleration. This approach is to attain sustainable environmental management and value-added biomolecule generation.
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Affiliation(s)
- Dipankar Ghosh
- Microbial Engineering & Algal Biotechnology Laboratory, Department of Biosciences, JIS University, Kolkata, 700109, India.
| | - Palash Ghorai
- Microbial Engineering & Algal Biotechnology Laboratory, Department of Biosciences, JIS University, Kolkata, 700109, India
| | - Soumita Sarkar
- Microbial Engineering & Algal Biotechnology Laboratory, Department of Biosciences, JIS University, Kolkata, 700109, India
| | - Kumar Sagar Maiti
- Microbial Engineering & Algal Biotechnology Laboratory, Department of Biosciences, JIS University, Kolkata, 700109, India
| | - Serma Rimil Hansda
- Microbial Engineering & Algal Biotechnology Laboratory, Department of Biosciences, JIS University, Kolkata, 700109, India
| | - Parna Das
- Microbial Engineering & Algal Biotechnology Laboratory, Department of Biosciences, JIS University, Kolkata, 700109, India
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