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Kelany MS, El-Sawy MA, El-Gendy AR, Beltagy EA. Bioremediation of industrial wastewater heavy metals using solo and consortium Enterobacter spp. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1357. [PMID: 37870616 PMCID: PMC10593623 DOI: 10.1007/s10661-023-11951-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 10/05/2023] [Indexed: 10/24/2023]
Abstract
Heavy metals are considered the most common pollutants in industrial wastewater areas. Out of thirty bacterial isolates, only 3 isolates sighted the highest metal resistance activity for Zn+2, Fe+2, Pb+2, Co+2, Mn+2, Ni+2, and Cd+2. The biochemical and DNA homology identification with similarities 99.58%, 99.79%, and 99.86% of those isolates was identified and deposited in WDCM, respectively, as Enterobacter kobei OM144907 SCUF0000311, Enterobacter cloacae OM180597 SCUF0000312, and Enterobacter hormaechei OM181067 SCUF0000313. The minimum tolerance activity (MIC) of heavy metal concentrations against E. kobei and E. cloacae was 25, 15, and 15 mmol/l for Ni+2, Fe+2, and Mn+2, respectively, and 10 mmol/l for Zn+2, Pb+2, Co+2, and Cd+2, while against E. hormaechei, it is 15 mmol/l for Ni+2, Fe+2, and Mn+2 and 10 mmol/l for Zn+2, Pb+2, Co+2, and Cd+2. The consortium and solitary application of bacterial isolates towards heavy metal removal at 100%, 200%, and 300% industrial wastewater concentrations were conducted and showed that more than 90% removal of Zn+2, Fe+2, Pb+2, Mn+2, Ni+2, and Cd+2 from a non-concentrated polluted sample (100%) was reported by the three strains. With doubling the polluted sample concentration (200%), the highest removal efficiency for Zn+2, Pb+2, Mn+2, Ni+2, and Cd+2 was reported by E. cloacae as 70. 75, 66, 65, and 57%, respectively. Removal efficiency after increasing the polluted sample concentration to 300% showed that E. cloacae removed above 45% of all tested heavy metals except Pb+2. Ultimately, E. cloacae exposed the highest efficiency with recommendations for heavy metals removal under higher concentrations.
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Affiliation(s)
| | | | | | - Ehab Aly Beltagy
- National Institute of Oceanography and Fisheries (NIOF), Cairo, Egypt
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Ahammed GJ, Shamsy R, Liu A, Chen S. Arbuscular mycorrhizal fungi-induced tolerance to chromium stress in plants. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 327:121597. [PMID: 37031849 DOI: 10.1016/j.envpol.2023.121597] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 02/11/2023] [Accepted: 04/06/2023] [Indexed: 06/19/2023]
Abstract
Chromium (Cr) is one of the toxic elements that harms all forms of life, including plants. Industrial discharges and mining largely contribute to Cr release into the soil environment. Excessive Cr pollution in arable land significantly reduces the yield and quality of important agricultural crops. Therefore, remediation of polluted soil is imperative not only for agricultural sustainability but also for food safety. Arbuscular mycorrhizal fungi (AMF) are widespread soil-borne endophytic fungi that form mutualistic relationships with the vast majority of land plants. In mycorrhizal symbiosis, AMF are largely dependent on the host plant-supplied carbohydrates and lipids, in return, AMF aid the host plants in acquiring water and mineral nutrients, especially phosphorus, nitrogen and sulfur from distant soils, and this distinguishing feature of the two-way exchange of resources is a functional requirement for such mutualism and ecosystem services. In addition to supplying nutrients and water to plants, the AMF symbiosis enhances plant resilience to biotic and abiotic stresses including Cr stress. Studies have revealed vital physiological and molecular mechanisms by which AMF alleviate Cr phytotoxicity and aid plants in nutrient acquisition under Cr stress. Notably, plant Cr tolerance is enhanced by both the direct effects of AMF on Cr stabilization and transformation, and the indirect effects of AMF symbiosis on plant nutrient uptake and physiological regulation. In this article, we summarized the research progress on AMF and associated mechanisms of Cr tolerance in plants. In addition, we reviewed the present understanding of AMF-assisted Cr remediation. Since AMF symbiosis can enhance plant resilience to Cr pollution, AMF may have promising prospects in agricultural production, bioremediation, and ecological restoration in Cr-polluted soils.
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Affiliation(s)
- Golam Jalal Ahammed
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China; Henan International Joint Laboratory of Stress Resistance Regulation and Safe Production of Protected Vegetables, Luoyang, 471023, PR China; Henan Engineering Technology Research Center for Horticultural Crop Safety and Disease Control, Luoyang, 471023, PR China
| | - Rubya Shamsy
- Microbiology Program, Department of Mathematics & Natural Sciences, Brac University, 66 Mohakhali, Dhaka, 1212, Bangladesh
| | - Airong Liu
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China.
| | - Shuangchen Chen
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, PR China; Henan International Joint Laboratory of Stress Resistance Regulation and Safe Production of Protected Vegetables, Luoyang, 471023, PR China; Henan Engineering Technology Research Center for Horticultural Crop Safety and Disease Control, Luoyang, 471023, PR China
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Anand U, Vaishnav A, Sharma SK, Sahu J, Ahmad S, Sunita K, Suresh S, Dey A, Bontempi E, Singh AK, Proćków J, Shukla AK. Current advances and research prospects for agricultural and industrial uses of microbial strains available in world collections. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 842:156641. [PMID: 35700781 DOI: 10.1016/j.scitotenv.2022.156641] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 06/08/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
Microorganisms are an important component of the ecosystem and have an enormous impact on human lives. Moreover, microorganisms are considered to have desirable effects on other co-existing species in a variety of habitats, such as agriculture and industries. In this way, they also have enormous environmental applications. Hence, collections of microorganisms with specific traits are a crucial step in developing new technologies to harness the microbial potential. Microbial culture collections (MCCs) are a repository for the preservation of a large variety of microbial species distributed throughout the world. In this context, culture collections (CCs) and microbial biological resource centres (mBRCs) are vital for the safeguarding and circulation of biological resources, as well as for the progress of the life sciences. Ex situ conservation of microorganisms tagged with specific traits in the collections is the crucial step in developing new technologies to harness their potential. Type strains are mainly used in taxonomic study, whereas reference strains are used for agricultural, biotechnological, pharmaceutical research and commercial work. Despite the tremendous potential in microbiological research, little effort has been made in the true sense to harness the potential of conserved microorganisms. This review highlights (1) the importance of available global microbial collections for man and (2) the use of these resources in different research and applications in agriculture, biotechnology, and industry. In addition, an extensive literature survey was carried out on preserved microorganisms from different collection centres using the Web of Science (WoS) and SCOPUS. This review also emphasizes knowledge gaps and future perspectives. Finally, this study provides a critical analysis of the current and future roles of microorganisms available in culture collections for different sustainable agricultural and industrial applications. This work highlights target-specific potential microbial strains that have multiple important metabolic and genetic traits for future research and use.
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Affiliation(s)
- Uttpal Anand
- Department of Life Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Anukool Vaishnav
- Department of Biotechnology, Institute of Applied Sciences & Humanities, GLA University, Mathura, Uttar Pradesh 281406, India; Department of Plant and Microbial Biology, University of Zürich, Zollikerstrasse 107, CH-8008 Zürich, Switzerland; Plant-Soil Interaction Group, Agroscope (Reckenholz), Reckenholzstrasse 191, 8046 Zürich, Switzerland
| | - Sushil K Sharma
- National Agriculturally Important Microbial Culture Collection (NAIMCC), ICAR-National Bureau of Agriculturally Important Microorganisms (ICAR-NBAIM), Mau 275 103, Uttar Pradesh, India.
| | - Jagajjit Sahu
- GyanArras Academy, Gothapatna, Malipada, Bhubaneswar, Odisha 751029, India
| | - Sarfaraz Ahmad
- Department of Botany, Jai Prakash University, Saran, Chhapra 841301, Bihar, India
| | - Kumari Sunita
- Department of Botany, Faculty of Science, Deen Dayal Upadhyay Gorakhpur University, Gorakhpur, Uttar Pradesh 273009, India
| | - S Suresh
- Department of Chemical Engineering, Maulana Azad National Institute of Technology, Bhopal 462 003, Madhya Pradesh, India
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
| | - Elza Bontempi
- INSTM and Chemistry for Technologies Laboratory, Department of Mechanical and Industrial Engineering, University of Brescia, Via Branze, 38, 25123 Brescia, Italy
| | - Amit Kishore Singh
- Department of Botany, Bhagalpur National College, (A Constituent unit of Tilka Manjhi Bhagalpur University), Bhagalpur 812007, Bihar, India
| | - Jarosław Proćków
- Department of Plant Biology, Institute of Environmental Biology, Wrocław University of Environmental and Life Sciences, Kożuchowska 5b, 51-631 Wrocław, Poland.
| | - Awadhesh Kumar Shukla
- Department of Botany, K.S. Saket P.G. College, Ayodhya (affiliated to Dr. Rammanohar Lohia Avadh University, Ayodhya) 224123, Uttar Pradesh, India.
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Ijoma GN, Mutungwazi A, Mannie T, Nurmahomed W, Matambo TS, Hildebrandt D. Addressing the water-energy nexus: A focus on the barriers and potentials of harnessing wastewater treatment processes for biogas production in Sub Saharan Africa. Heliyon 2022; 8:e09385. [PMID: 35600457 PMCID: PMC9118499 DOI: 10.1016/j.heliyon.2022.e09385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/11/2022] [Accepted: 05/04/2022] [Indexed: 11/07/2022] Open
Abstract
Several anthropogenic activities reduce the supply of freshwater to living organisms in all ecological systems, particularly the human population. Organic matter in derived wastewater can be converted into potential energy, such as biogas (methane), through microbial transformation during anaerobic digestion (AD). To address the current lack of data and values for wastewater generation in Sub-Saharan Africa, this review analyzes and estimates (at 50% and 90% conversion rates) the potential amount of wastewater-related sludge that can be generated from domestic freshwater withdrawals using the most recent update in 2017 from the World Bank repository and database on freshwater status in Sub-Saharan Africa. The Democratic Republic of the Congo (DRC) could potentially produce the highest estimate of biogas in Sub-Saharan Africa from domestic wastewater sludge of approximately 90 billion m3, which could be converted to 178 million MWh of electricity annually, based on this extrapolation at 50% conversion rates. Using same conversion rates estimates, at least nine other countries, including Guinea, Liberia, Nigeria, Sierra Leone, Angola, Cameroon, Central African Republic, Gabon, and Congo Republic, could potentially produce biogas in the range of 1-20 billion m3. These estimates show how much energy could be extracted from wastewater treatment plants in Sub-Saharan Africa. AD process to produce biogas and energy harvesting are essential supplementary operations for Sub-Saharan African wastewater treatment plants. This approach could potentially solve the problem of data scarcity because these values for Freshwater withdrawals are readily available in the database could be used for estimation and projections towards infrastructure development and energy production planning. The review also highlights the possibilities for energy generation from wastewater treatment facilities towards wastewater management, clean energy, water, and sanitation sustainability, demonstrating the interconnections and actualization of the various related UN Sustainable Development Goals.
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Affiliation(s)
- Grace N. Ijoma
- Institute for the Development of Energy for African Sustainability (IDEAS), University of South Africa, College of Science, Engineering and Technology, Florida, Roodepoort, 1709, South Africa
| | - Asheal Mutungwazi
- Institute for the Development of Energy for African Sustainability (IDEAS), University of South Africa, College of Science, Engineering and Technology, Florida, Roodepoort, 1709, South Africa
| | - Thulani Mannie
- Department of Environmental Sciences, University of South Africa, College of Agricultural and Environmental Sciences, Florida, Roodepoort, 1709, South Africa
| | - Weiz Nurmahomed
- Department of Environmental Sciences, University of South Africa, College of Agricultural and Environmental Sciences, Florida, Roodepoort, 1709, South Africa
| | - Tonderayi S. Matambo
- Institute for the Development of Energy for African Sustainability (IDEAS), University of South Africa, College of Science, Engineering and Technology, Florida, Roodepoort, 1709, South Africa
| | - Diane Hildebrandt
- African Energy Leadership Centre, Wits Business School and Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Parktown, Johannesburg, 2193, South Africa
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Ijoma GN, Heri SM, Matambo TS, Tekere M. Trends and Applications of Omics Technologies to Functional Characterisation of Enzymes and Protein Metabolites Produced by Fungi. J Fungi (Basel) 2021; 7:700. [PMID: 34575737 PMCID: PMC8464691 DOI: 10.3390/jof7090700] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/19/2021] [Accepted: 08/23/2021] [Indexed: 12/14/2022] Open
Abstract
Identifying and adopting industrial applications for proteins and enzymes derived from fungi strains have been at the focal point of several studies in recent times. To facilitate such studies, it is necessary that advancements and innovation in mycological and molecular characterisation are concomitant. This review aims to provide a detailed overview of the necessary steps employed in both qualitative and quantitative research using the omics technologies that are pertinent to fungi characterisation. This stems from the understanding that data provided from the functional characterisation of fungi and their metabolites is important towards the techno-economic feasibility of large-scale production of biological products. The review further describes how the functional gaps left by genomics, internal transcribe spacer (ITS) regions are addressed by transcriptomics and the various techniques and platforms utilised, including quantitive reverse transcription polymerase chain reaction (RT-qPCR), hybridisation techniques, and RNA-seq, and the insights such data provide on the effect of environmental changes on fungal enzyme production from an expressional standpoint. The review also offers information on the many available bioinformatics tools of analysis necessary for the analysis of the overwhelming data synonymous with the omics approach to fungal characterisation.
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Affiliation(s)
- Grace N. Ijoma
- Institute for the Development of Energy for African Sustainability (IDEAS), College of Science, Engineering and Technology, University of South Africa, P.O. Box 392, UNISA, Pretoria 0001, South Africa; (S.M.H.); (T.S.M.)
| | - Sylvie M. Heri
- Institute for the Development of Energy for African Sustainability (IDEAS), College of Science, Engineering and Technology, University of South Africa, P.O. Box 392, UNISA, Pretoria 0001, South Africa; (S.M.H.); (T.S.M.)
| | - Tonderayi S. Matambo
- Institute for the Development of Energy for African Sustainability (IDEAS), College of Science, Engineering and Technology, University of South Africa, P.O. Box 392, UNISA, Pretoria 0001, South Africa; (S.M.H.); (T.S.M.)
| | - Memory Tekere
- Department of Environmental Science, College of Agricultural and Environmental Science, University of South Africa, P.O. Box 392, UNISA, Pretoria 0001, South Africa;
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