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Aso RE, Obuekwe IS. Polycyclic aromatic hydrocarbon: underpinning the contribution of specialist microbial species to contaminant mitigation in the soil. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:654. [PMID: 38913190 DOI: 10.1007/s10661-024-12778-w] [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: 03/04/2024] [Accepted: 06/06/2024] [Indexed: 06/25/2024]
Abstract
The persistence of PAHs poses a significant challenge for conventional remediation approaches, necessitating the exploration of alternative, sustainable strategies for their mitigation. This review underscores the vital role of specialized microbial species (nitrogen-fixing, phosphate-solubilizing, and biosurfactant-producing bacteria) in tackling the environmental impact of polycyclic aromatic hydrocarbons (PAHs). These resistant compounds demand innovative remediation strategies. The study explores microbial metabolic capabilities for converting complex PAHs into less harmful byproducts, ensuring sustainable mitigation. Synthesizing literature from 2016 to 2023, it covers PAH characteristics, sources, and associated risks. Degradation mechanisms by bacteria and fungi, key species, and enzymatic processes are examined. Nitrogen-fixing and phosphate-solubilizing bacteria contributions in symbiotic relationships with plants are highlighted. Biosurfactant-producing bacteria enhance PAH solubility, expanding microbial accessibility for degradation. Cutting-edge trends in omics technologies, synthetic biology, genetic engineering, and nano-remediation offer promising avenues. Recommendations emphasize genetic regulation, field-scale studies, sustainability assessments, interdisciplinary collaboration, and knowledge dissemination. These insights pave the way for innovative, sustainable PAH-contaminated environment restoration.
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Affiliation(s)
- Rufus Emamoge Aso
- Department of Microbiology, Faculty of Life Sciences, University of Benin, Benin, Edo State, Nigeria
| | - Ifeyinwa Sarah Obuekwe
- Department of Microbiology, Faculty of Life Sciences, University of Benin, Benin, Edo State, Nigeria.
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2
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Du H, Cheng JL, Li ZY, Zhong HN, Wei S, Gu YJ, Yao CC, Zhang M, Cai QY, Zhao HM, Mo CH. Molecular insights into the catabolism of dibutyl phthalate in Pseudomonas aeruginosa PS1 based on biochemical and multi-omics approaches. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:171852. [PMID: 38518818 DOI: 10.1016/j.scitotenv.2024.171852] [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: 01/12/2024] [Revised: 03/19/2024] [Accepted: 03/19/2024] [Indexed: 03/24/2024]
Abstract
A comprehensive understanding of the molecular mechanisms underlying microbial catabolism of dibutyl phthalate (DBP) is still lacking. Here, we newly isolated a bacterial strain identified as Pseudomonas aeruginosa PS1 with high efficiency of DBP degradation. The degradation ratios of DBP at 100-1000 mg/L by this strain reached 80-99 % within 72 h without a lag phase. A rare DBP-degradation pathway containing two monobutyl phthalate-catabolism steps was proposed based on intermediates identified by HPLC-TOF-MS/MS. In combination with genomic and transcriptomic analyses, we identified 66 key genes involved in DBP biodegradation and revealed the genetic basis for a new complete catabolic pathway from DBP to Succinyl-CoA or Acetyl-CoA in the genus Pseudomonas for the first time. Notably, we found that a series of homologous genes in Pht and Pca clusters were simultaneously activated under DBP exposure and some key intermediate degradation related gene clusters including Pht, Pca, Xyl, Ben, and Cat exhibited a favorable coexisting pattern, which contributed the high-efficient DBP degradation ability and strong adaptability to this strain. Overall, these results broaden the knowledge of the catabolic diversity of DBP in microorganisms and enhance our understanding of the molecular mechanism underlying DBP biodegradation.
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Affiliation(s)
- Huan Du
- Guangzhou Customs Technology Center, No. 66 Huacheng Avenue, Tianhe District, Guangzhou 510623, China; Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China; Center for Statistical Science, Tsinghua University, Beijing 100084, China
| | - Ji-Liang Cheng
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China; Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou, China
| | - Zhi-Yong Li
- Guangzhou Customs Technology Center, No. 66 Huacheng Avenue, Tianhe District, Guangzhou 510623, China
| | - Huai-Ning Zhong
- Guangzhou Customs Technology Center, No. 66 Huacheng Avenue, Tianhe District, Guangzhou 510623, China
| | - Shuang Wei
- Guangzhou Customs Technology Center, No. 66 Huacheng Avenue, Tianhe District, Guangzhou 510623, China
| | - Yu-Juan Gu
- Guangzhou Customs Technology Center, No. 66 Huacheng Avenue, Tianhe District, Guangzhou 510623, China
| | - Can-Can Yao
- Guangzhou Customs Technology Center, No. 66 Huacheng Avenue, Tianhe District, Guangzhou 510623, China
| | - Miaoyue Zhang
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Quan-Ying Cai
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Hai-Ming Zhao
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China; Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou 510275, China.
| | - Ce-Hui Mo
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
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Liu X, Ji J, Zhang X, Chen Z, He L, Wang C. Microbial Remediation of Crude Oil in Saline Conditions by Oil-Degrading Bacterium Priestia megaterium FDU301. Appl Biochem Biotechnol 2024; 196:2694-2712. [PMID: 36399308 DOI: 10.1007/s12010-022-04245-4] [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] [Accepted: 11/08/2022] [Indexed: 11/19/2022]
Abstract
Salinity greatly affects the microbial degradation process of crude oil; thus, the isolation and identification of halotolerant microbes is essential. Limited studies explored how microbes respond to increased salinity. In this study, an oil-degrading bacterium Priestia megaterium FDU301 was isolated from the Dagang oil field, which can tolerate a salinity of 6%. Compared to the non-saline condition, oil degradation ratios by P. megaterium FDU301 increased by 15.27% and 11.26% in 0.5% and 3.5% salinity media, respectively. Meanwhile, bacteria degraded various components of crude oil more thoroughly in saline environments, especially mid-chain hydrocarbons (C11-C18). Surface tension under salt stress was lower than that in the non-saline medium, indicating that the amount of biosurfactants produced by bacteria was increased. The microbial activity enhanced markedly in response to increased salinity, which was the main factor for the high degradation ability. As a vital component of biofilms, the production of polysaccharides was accelerated with P. megaterium FDU301 inoculation in saline environments. These results indicate that P. megaterium FDU301 has great potential application in oil bioremediation in saline environments.
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Affiliation(s)
- Xiaoyan Liu
- Laboratory of Environmental Remediation, College of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Jinghao Ji
- Laboratory of Environmental Remediation, College of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Xinying Zhang
- Laboratory of Environmental Remediation, College of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China.
| | - Zongze Chen
- Laboratory of Environmental Remediation, College of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Lihong He
- Laboratory of Environmental Remediation, College of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Chuanhua Wang
- College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, Zhejiang, China
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4
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Okoye AU, Selvarajan R, Chikere CB, Okpokwasili GC, Mearns K. Characterization and identification of long-chain hydrocarbon-degrading bacterial communities in long-term chronically polluted soil in Ogoniland: an integrated approach using culture-dependent and independent methods. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:30867-30885. [PMID: 38622422 PMCID: PMC11096258 DOI: 10.1007/s11356-024-33326-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 04/11/2024] [Indexed: 04/17/2024]
Abstract
Escalating oil consumption has resulted in an increase in accidental spills of petroleum hydrocarbons, causing severe environmental degradation, notably in vulnerable regions like the Niger Delta. Complex mixture of these hydrocarbons particularly long-chain alkanes presents unique challenges in restoration of polluted environment due to their chemical properties. This study aimed to investigate the long-chain hydrocarbon-degrading bacterial communities within long-term chronically polluted soil in Ogoniland, by utilizing both traditional cultivation methods and modern culture-independent techniques. Results revealed that surface-polluted soil (SPS) and subsurface soil (SPSS) exhibit significantly higher total organic carbon (TOC) ranging from 5.64 to 5.06% and total petroleum hydrocarbons (TPH) levels ranging from 36,775 ppm to 14,087 ppm, compared to unpolluted soil (UPS) with 1.97% TOC and 479 ppm TPH, respectively. Analysis of carbon chain lengths reveals the prevalence of longer-chain alkanes (C20-28) in the surface soil. Culture-dependent methods, utilizing crude oil enrichment (COE) and paraffin wax enrichment (PWE), yield 47 bacterial isolates subjected to a long-chain alkane degradation assay. Twelve bacterial strains demonstrate significant degradation abilities across all enriched media. Three bacterial members, namely Pseudomonas sp. (almA), Marinomonas sp. (almA), and Alteromonas (ladA), exhibit genes responsible for long-chain alkane degradation, demonstrating efficiency between 50 and 80%. Culture-independent analysis reveals that surface SPS samples exhibit greater species richness and diversity compared to subsurface SPSS samples. Proteobacteria dominates as the phylum in both soil sample types, ranging from 22.23 to 82.61%, with Firmicutes (0.2-2.22%), Actinobacteria (0.4-3.02%), and Acidobacteria (0.1-3.53%) also prevalent. Bacterial profiles at genus level revealed that distinct variations among bacterial populations between SPS and SPSS samples comprising number of hydrocarbon degraders and the functional predictions also highlight the presence of potential catabolic genes (nahAa, adh2, and cpnA) in the polluted soil. However, culture-dependent analysis only captured a few of the dominant members found in culture-independent analysis, implying that more specialized media or environments are needed to isolate more bacterial members. The findings from this study contribute valuable information to ecological and biotechnological aspects, aiding in the development of more effective bioremediation applications for restoring oil-contaminated environments.
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Affiliation(s)
- Amara Ukamaka Okoye
- Department of Microbiology, Faculty of Science, University of Port Harcourt, Port Harcourt, 500272, Nigeria
| | - Ramganesh Selvarajan
- Department of Environmental Science, Florida Campus, University of South Africa, Roodepoort, 1709, South Africa.
- Laboratory of Extraterrestrial Ocean Systems (LEOS), Institute of Deep-Sea Science and Engineering, Chinese Academy of Sciences, Sanya, 572000, China.
| | - Chioma Blaise Chikere
- Department of Microbiology, Faculty of Science, University of Port Harcourt, Port Harcourt, 500272, Nigeria
- Department of Environmental Science, Florida Campus, University of South Africa, Roodepoort, 1709, South Africa
| | | | - Kevin Mearns
- Department of Environmental Science, Florida Campus, University of South Africa, Roodepoort, 1709, South Africa
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5
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Zou Y, Hu Y, Li S, Huang X, Cheng X, Pan W. Remediation of crude oil contaminated soil through an integrated biological-chemical-biological strategy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 919:170756. [PMID: 38340816 DOI: 10.1016/j.scitotenv.2024.170756] [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: 11/21/2023] [Revised: 01/28/2024] [Accepted: 02/04/2024] [Indexed: 02/12/2024]
Abstract
A plausible approach to remediating petroleum contaminated soil is the integration of chemical and biological treatments. Using appropriate chemical oxidation, the integrated remediation can be effectively achieved to stimulate the biodegradation process, consequently bolstering the overall remediation effect. In this study, an integrated biological-chemical-biological strategy was proposed. Both conventional microbial degradation techniques and a modified Fenton method were employed, and the efficacy of this strategy on crude oil contaminated soil, as well as its impact on pollutant composition, soil environment, and soil microorganism, was assessed. The results showed that this integrated remediation realized an overall 68.3 % removal rate, a performance 1.7 times superior to bioremediation alone and 2.1 times more effective than chemical oxidation alone, elucidating that the biodegradation which had become sluggish was invigorated by the judicious application of chemical oxidation. By optimizing the positioning of chemical treatment, the oxidization was allowed to act predominantly on refractory substances like resins, thus effectively enhancing pollutant biodegradability. Concurrently, this oxidating maneuver contributed to a significant increase in concentrations of dissolvable nutrients while maintaining appropriate soil pH levels, thereby generating favorable growth conditions for microorganism. Moreover, attributed to the proliferation and accumulation of degrading bacteria during the initial bioremediation phase, the microbial growth subsequent to oxidation showed rapid resurgence and the relative abundance of typical petroleum-degrading bacteria, particularly Proteobacteria, was substantially increased, which played a significant role in enhancing overall remediation effect. Our research validated the feasibility of biological-chemical-biological strategy and elucidated its correlating mechanisms, presenting a salient reference for the further studies concerning the integrated remediation of petroleum contaminated soil.
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Affiliation(s)
- Yulin Zou
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Yuanyuan Hu
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Sicheng Li
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Xiaojia Huang
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Xiaowei Cheng
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China
| | - Weibin Pan
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, China.
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6
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Gou Y, Song Y, Li P, Wei W, Luo N, Wang H. Study on the accelerated biodegradation of PAHs in subsurface soil via coupled low-temperature thermally treatment and electron acceptor stimulation based on metagenomic sequencing. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133265. [PMID: 38113745 DOI: 10.1016/j.jhazmat.2023.133265] [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: 11/03/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 12/21/2023]
Abstract
In situ anoxic bioremediation is a sustainable technology to remediate PAHs contaminated soils. However, the limited degradation rate of PAHs under anoxic conditions has become the primary bottleneck hindering the application of this technology. In this study, coupled low-temperature thermally treatment (<50 °C) and EA biostimulation was used to enhance PAH removal. Anoxic biodegradation of PAHs in soil was explored in microcosms in the absence and presence of added EAs at 3 temperatures (15 °C, 30 °C, and 45 °C). The influence of temperature, EA, and their interaction on the removal of PAHs were identified. A PAH degradation model based on PLSR analysis identified the importance and the positive/negative role of parameters on PAH removal. Soil archaeal and bacterial communities showed similar succession patterns, the impact of temperature was greater than that of EA. Soil microbial community and function were more influenced by temperature than EAs. Close and frequent interactions were observed among soil bacteria, archaea, PAH-degrading genes and methanogenic genes. A total of 15 bacterial OTUs, 1 PAH-degrading gene and 2 methanogenic genes were identified as keystones in the network. Coupled low-temperature thermally treatment and EA stimulation resulted in higher PAH removal efficiencies than EA stimulation alone and low-temperature thermally treatment alone.
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Affiliation(s)
- Yaling Gou
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing 100089, China; College of Water Sciences, Beijing Normal University, Beijing 100875, China.
| | - Yun Song
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing 100089, China
| | - Peizhong Li
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing 100089, China
| | - Wenxia Wei
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing 100089, China
| | - Nan Luo
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing 100089, China
| | - Hongqi Wang
- College of Water Sciences, Beijing Normal University, Beijing 100875, China.
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7
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Atakpa EO, Yan B, Okon SU, Liu Q, Zhang D, Zhang C. Asynchronous application of modified biochar and exogenous fungus Scedosporium sp. ZYY for enhanced degradation of oil-contaminated intertidal mudflat sediment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:20637-20650. [PMID: 38383925 DOI: 10.1007/s11356-024-32419-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 02/07/2024] [Indexed: 02/23/2024]
Abstract
Intertidal mudflats are susceptible to oil pollution due to their proximity to discharges from industries, accidental spills from marine shipping activities, oil drilling, pipeline seepages, and river outflows. The experimental study was divided into two periods. In the first period, microcosm trials were carried out to examine the effect of chemically modified biochar on biological hydrocarbon removal from sediments. The modified biochar's surface area increased from 2.544 to 25.378 m2/g, followed by a corresponding increase in the hydrogen-carbon and oxygen-carbon ratio, indicating improved stability and polarity. In the second period, the effect of exogenous fungus - Scedoporium sp. ZYY on the bacterial community structure was examined in relation to total petroleum hydrocarbon (TPH) removal. The maximum TPH removal efficiency of 82.4% was achieved in treatments with the modified biochar, followed by a corresponding increase in Fluorescein diacetate hydrolysis activity. Furthermore, high-throughput 16S RNA gene sequencing employed to identify changes in the bacterial community of the original sediment and treatments before and after fungal inoculation revealed Proteobacteria as the dominant phylum. In addition, it was observed that Scedoporium sp. ZYY promoted the proliferation of specific TPH-degraders, particularly, Hyphomonas adhaerens which accounted for 77% of the total degrading populations in treatments where TPH removal was highest. Findings in this study provide valuable insights into the effect of modified biochar and the fundamental role of exogenous fungus towards the effective degradation of oil-contaminated intertidal mudflat sediments.
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Affiliation(s)
- Edidiong Okokon Atakpa
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, Zhejiang, China
| | - Bozhi Yan
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541006, China
| | - Samuel Ukpong Okon
- Institute of Port, Coastal, and Offshore Engineering, Ocean College, Zhejiang University, Zhoushan, 316021, China
- Suzhou Industrial Technological Research Institute of Zhejiang University, Suzhou, 215163, China
| | - Qing Liu
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541006, China
| | - Dongdong Zhang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, Zhejiang, China
| | - Chunfang Zhang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, Zhejiang, China.
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Yessentayeva K, Reinhard A, Berzhanova R, Mukasheva T, Urich T, Mikolasch A. Bacterial crude oil and polyaromatic hydrocarbon degraders from Kazakh oil fields as barley growth support. Appl Microbiol Biotechnol 2024; 108:189. [PMID: 38305872 PMCID: PMC10837267 DOI: 10.1007/s00253-024-13010-y] [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: 10/27/2023] [Revised: 12/21/2023] [Accepted: 01/11/2024] [Indexed: 02/03/2024]
Abstract
Bacterial strains of the genera Arthrobacter, Bacillus, Dietzia, Kocuria, and Micrococcus were isolated from oil-contaminated soils of the Balgimbaev, Dossor, and Zaburunye oil fields in Kazakhstan. They were selected from 1376 isolated strains based on their unique ability to use crude oil and polyaromatic hydrocarbons (PAHs) as sole source of carbon and energy in growth experiments. The isolated strains degraded a wide range of aliphatic and aromatic components from crude oil to generate a total of 170 acid metabolites. Eight metabolites were detected during the degradation of anthracene and of phenanthrene, two of which led to the description of a new degradation pathway. The selected bacterial strains Arthrobacter bussei/agilis SBUG 2290, Bacillus atrophaeus SBUG 2291, Bacillus subtilis SBUG 2285, Dietzia kunjamensis SBUG 2289, Kocuria rosea SBUG 2287, Kocuria polaris SBUG 2288, and Micrococcus luteus SBUG 2286 promoted the growth of barley shoots and roots in oil-contaminated soil, demonstrating the enormous potential of isolatable and cultivable soil bacteria in soil remediation. KEY POINTS: • Special powerful bacterial strains as potential crude oil and PAH degraders. • Growth on crude oil or PAHs as sole source of carbon and energy. • Bacterial support of barley growth as resource for soil remediation.
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Affiliation(s)
- Kuralay Yessentayeva
- Department of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Ave 71, 050040, Almaty, Kazakhstan
| | - Anne Reinhard
- Institute of Microbiology, University Greifswald, Felix-Hausdorff-Straße 8, 17487, Greifswald, Germany
| | - Ramza Berzhanova
- Department of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Ave 71, 050040, Almaty, Kazakhstan
| | - Togzhan Mukasheva
- Department of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi Ave 71, 050040, Almaty, Kazakhstan
| | - Tim Urich
- Institute of Microbiology, University Greifswald, Felix-Hausdorff-Straße 8, 17487, Greifswald, Germany
| | - Annett Mikolasch
- Institute of Microbiology, University Greifswald, Felix-Hausdorff-Straße 8, 17487, Greifswald, Germany.
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Ding P, Wu P, Cao Q, Liu H, Chen C, Cui MH, Liu H. Advantages of residual phenol in coal chemical wastewater as a co-metabolic substrate for naphthalene degradation by microbial electrolysis cell. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 901:166342. [PMID: 37611718 DOI: 10.1016/j.scitotenv.2023.166342] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/04/2023] [Accepted: 08/14/2023] [Indexed: 08/25/2023]
Abstract
The use of co-metabolic substrates is effective for polycyclic aromatic hydrocarbons (PAHs) removal, but the potential of the high phenol concentrations in coal chemical wastewater (CCW) as a co-metabolic substrate in microbial electrolysis cell (MEC) has been neglected. In this study, the efficacy of varying phenol concentrations in comparison to simple substrates for degrading naphthalene in MEC under comparable COD has been explored. Results showed that phenol as a co-metabolic substrate outperformed sodium acetate and glucose in facilitating naphthalene degradation efficiency at 50 mg-COD/L. The naphthalene removal efficiency from RP, RA, and RG was found to be 84.11 ± 0.44 %, 73.80 ± 0.27 % and 72.43 ± 0.34 %, respectively. Similarly, phenol not only enhanced microbial biomass more effectively, but also exhibited optimal COD metabolism capacity. The addition of phenol resulted in a stepwise reduction in the molecular weight of naphthalene, whereas sodium acetate and glucose led to more diverse degradation pathways. Some bacteria with the potential ability to degrade PAHs were detected in phenol-added MEC, including Alicycliphilus, Azospira, Stenotrophomonas, Pseudomonas, and Sedimentibacter. Besides, phenol enhanced the expression of ncrA and nmsA genes, leading to more efficient degradation of naphthalene, with ncrA responsible for mediating the reduction of the benzene ring in naphthalene and nmsA closely associated with the decarboxylation of naphthalene. This study provides guidance for the effective co-degradation of PAHs in CCW with MEC, demonstrating the effectiveness of using phenol as a co-substrate relative to simple substrates in the removal of naphthalene.
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Affiliation(s)
- Peng Ding
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Ping Wu
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Qihao Cao
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Hongbo Liu
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China; Jiangsu Key Laboratory of Anaerobic Biotechnology, Wuxi 214122, China; Jiangsu Collaborative Innovation Center of Water Treatment Technology and Material, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Chongjun Chen
- Jiangsu Collaborative Innovation Center of Water Treatment Technology and Material, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Min-Hua Cui
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China; Jiangsu Key Laboratory of Anaerobic Biotechnology, Wuxi 214122, China; Jiangsu Collaborative Innovation Center of Water Treatment Technology and Material, Suzhou University of Science and Technology, Suzhou 215009, China.
| | - He Liu
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China; Jiangsu Key Laboratory of Anaerobic Biotechnology, Wuxi 214122, China; Jiangsu Collaborative Innovation Center of Water Treatment Technology and Material, Suzhou University of Science and Technology, Suzhou 215009, China.
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10
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Atakpa EO, Zhou H, Jiang L, Zhang D, Li Y, Zhang W, Zhang C. Co-culture of Acinetobacter sp. and Scedosporium sp. immobilized beads for optimized biosurfactant production and degradation of crude oil. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 335:122365. [PMID: 37572849 DOI: 10.1016/j.envpol.2023.122365] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 08/14/2023]
Abstract
The widespread exploration and exploitation of crude oil has increased the prevalence of petroleum hydrocarbon pollution in the marine and coastal environment. Bioremediation of petroleum hydrocarbons using cell immobilization techniques is gaining increasing attention. In this study, the crude oil degradation performance of bacterial and fungal co-culture was optimized by entrapping both cells in sodium-alginate and polyvinyl alcohol composite beads. Results indicate that fungal cells remained active after entrapment and throughout the experiment, while bacterial cells were non-viable at the end of the experimental period in treatments with the bacterial-fungal ratio of 1:2. A remarkable decrease in surface tension from 72 mN/m to 36.51 mN/m was achieved in treatments with the bacterial-fungal ratio of 3:1. This resulted in a significant (P < 0.05) total petroleum hydrocarbon (TPH) removal rate of 89.4%, and the highest degradation of n-alkanes fractions (from 2129.01 mg/L to 118.53 mg/L), compared to the other treatments. Whereas PAHs removal was highest in treatments with the most fungal abundance (from 980.96 μg/L to 177.3 μg/L). Furthermore, enzymes analysis test revealed that catalase had the most effect on microbial degradation of the target substrate, while protease had no significant impact on the degradation process. High expression of almA and PAH-RHDa genes was achieved in the co-culture treatments, which correlated significantly (P < 0.05) with n-alkanes and PAHs removal, respectively. These results indicate that the application of immobilized bacterial and fungal cells in defined co-culture systems is an effective strategy for enhanced biodegradation of petroleum hydrocarbons in aqueous systems.
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Affiliation(s)
- Edidiong Okokon Atakpa
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, Zhejiang, China
| | - Hanghai Zhou
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, Zhejiang, China
| | - Lijia Jiang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, Zhejiang, China
| | - Dongdong Zhang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, Zhejiang, China
| | - Yanhong Li
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541006, China
| | - Wenjie Zhang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541006, China
| | - Chunfang Zhang
- Institute of Marine Biology and Pharmacology, Ocean College, Zhejiang University, Zhoushan, 316021, Zhejiang, China.
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11
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Lin R, Wu H, Kong X, Ren H, Lu Z. Ribosomal RNA gene operon copy number, a functional trait indicating the hydrocarbon degradation level of bacterial communities. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132100. [PMID: 37523962 DOI: 10.1016/j.jhazmat.2023.132100] [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: 05/06/2023] [Revised: 07/04/2023] [Accepted: 07/18/2023] [Indexed: 08/02/2023]
Abstract
The lack of universal indicators for predicting microbial biodegradation potential and assessing remediation effects limits the generalization of bioremediation. The community-level ribosomal RNA gene operon (rrn) copy number, an important functional trait, has the potential to serve as a key indicator of the bioremediation of organic pollutants. A meta-analysis based on 1275 samples from 26 hydrocarbon-related studies revealed a positive relationship between the microbial hydrocarbon biodegradation level and the community-level rrn copy number in soil, seawater and culture. Subsequently, a microcosm experiment was performed to decipher the community-level rrn copy number response mechanism during total petroleum hydrocarbon (TPH) biodegradation. The treatment combining straw with resuscitation-promoting factor (Rpf) exhibited the highest community-level rrn copy number and the most effective biodegradation compared with other treatments, and the initial TPH content (20,000 mg kg-1) was reduced by 67.67% after 77 days of incubation. TPH biodegradation rate was positively correlated with the average community-level rrn copy number (p = 0.001, R2 = 0.5781). Both meta and community analyses showed that rrn copy number may reflect the potential of hydrocarbon degradation and microbial dormancy. Our findings provide insight into the applicability of the community-level rrn copy number to assess bacterial biodegradation for pollution remediation.
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Affiliation(s)
- Renzhang Lin
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou 310058, China; Cancer Center, Zhejiang University, Hangzhou 310058, China
| | - Hao Wu
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou 310058, China; Cancer Center, Zhejiang University, Hangzhou 310058, China
| | - Xiangyu Kong
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou 310058, China; Cancer Center, Zhejiang University, Hangzhou 310058, China
| | - Hao Ren
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou 310058, China; Cancer Center, Zhejiang University, Hangzhou 310058, China
| | - Zhenmei Lu
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou 310058, China; Cancer Center, Zhejiang University, Hangzhou 310058, China.
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12
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Conde Molina D, Liporace F, Quevedo CV. Bioremediation of an industrial soil contaminated by hydrocarbons in microcosm system, involving bioprocesses utilizing co-products and agro-industrial wastes. World J Microbiol Biotechnol 2023; 39:323. [PMID: 37773232 DOI: 10.1007/s11274-023-03766-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Accepted: 09/15/2023] [Indexed: 10/01/2023]
Abstract
The present study describes practical implication of bioaugmentation and biostimulation processes for bioremediation of an industrial soil chronically contaminated by hydrocarbons. For this purpose, biomass production of six autochthonous hydrocarbon-degrading bacteria were evaluated as inoculum of bioaugmentation strategy, by testing carbon and nitrogen sources included co-products and agro-industrial waste as sustainable and low-cost components of the growth medium. Otherwise, biostimulation was approached by the addition of optimized concentration of nitrogen and phosphorus. Microcosm assays showed that total hydrocarbons (TH) were significantly removed from chronically contaminated soil undergoing bioremediation treatment. Systems Mix (bioaugmentation); N,P (biostimulation) and Mix + N,P (bioaugmentation and biostimulation) reached higher TH removal, being 89.85%, 91.00%, 93.04%, respectively, comparing to 77.83% of system C (natural attenuation) at 90 days. The increased heterotrophic aerobic bacteria and hydrocarbon degrading bacteria counts were according to TH biodegrading process during the experiments. Our results showed that biostimulation with nutrients represent a valuable alternative tool to treat a chronically hydrocarbon-contaminated industrial soil, while bioaugmentation with a consortium of hydrocarbon degrading bacteria would be justified when the soil has a low amount of endogenous degrading microorganisms. Furthermore, the production of inoculum for application in bioaugmentation using low-cost substrates, such as industrial waste, would lead to the development of an environmentally friendly and attractive process in terms of cost-benefit.
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Affiliation(s)
- Debora Conde Molina
- Grupo de Biotecnología y Nanotecnología Aplicada, Facultad Regional Delta, Universidad Tecnológica Nacional, San Martín 1171, Campana, 2804, Buenos Aires, Argentina.
| | - Franco Liporace
- Grupo de Biotecnología y Nanotecnología Aplicada, Facultad Regional Delta, Universidad Tecnológica Nacional, San Martín 1171, Campana, 2804, Buenos Aires, Argentina
| | - Carla V Quevedo
- Grupo de Biotecnología y Nanotecnología Aplicada, Facultad Regional Delta, Universidad Tecnológica Nacional, San Martín 1171, Campana, 2804, Buenos Aires, Argentina
- Consejo de Investigaciones Científicas y Técnicas (CONICET), CABA (C1425FQB), 2290, Godoy Cruz, Argentina
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13
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Lima GDS, Menegario AA, Suarez CA, Kamazuka SH, Gemeiner H, Sánchez-Sarmiento AM, Ferioli RB, Barreto AS. Pelagic and estuarine birds as sentinels of metal(loid)s in the South Atlantic Ocean: Ecological niches as main factors acting on bioaccumulation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 326:121452. [PMID: 36958663 DOI: 10.1016/j.envpol.2023.121452] [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: 12/03/2022] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 06/18/2023]
Abstract
Activities related to the offshore exploration and production of oil and natural gas provide economic development and an essential energy source. However, besides the risk of petroleum hydrocarbon contamination, these activities can also be sources of metals and metalloids for marine organism contamination. In this research, we evaluated the potential use of two pelagic (black-browed albatross Thalassarche melanophris and yellow-nosed albatross T. chlororhynchos) and one estuarine bird species (neotropical cormorant Nannopterum brasilianus) as sentinels of contamination of As, Cd, Cr, Cu, Pb, Mn, Mo, Zn, Ni, Ba, V, and Hg in an area under influence of oil and gas activities. The analyses were carried out in samples collected from 2015 to 2022 from 97 individuals. A factor alert; an adaptation from the contamination factor is proposed to identify individuals with high concentrations that possibly suffered contamination by anthropogenic origin. Grouping all species, the metal(loid)s with the highest concentrations were in decreasing order: Zn > Cu > Mn > Hg > As > Cd > Mo > V > Cr > Ba > Ni > Pb. Similar concentrations were observed for V, Mn, Cr and Pb among the three species. Pelagic birds showed higher levels of concentrations for Hg, As and Cd. Based on the correlations and multivariate analysis performed, the results indicate that the ecological niche factor has greater relevance in the bioaccumulation of these elements compared to the habitat. Although some individuals showed high concentrations in part of the trace elements, suggesting exposure to anthropic sources, the direct influence of oil production and exploration activities was not observed, suggesting that activities on the continent are the primary contamination source. The results of this work highlight the role of seabirds as sentinels for metal(loid)s, contributing to the knowledge of the occurrence of contaminants in the South Atlantic Ocean.
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Affiliation(s)
- Guilherme Dos Santos Lima
- Environmental Studies Center (CEA), São Paulo State University (UNESP), Av. 24-A, 1515, 13506-900, Rio Claro, SP, Brazil
| | - Amauri Antonio Menegario
- Environmental Studies Center (CEA), São Paulo State University (UNESP), Av. 24-A, 1515, 13506-900, Rio Claro, SP, Brazil.
| | - Carlos Alfredo Suarez
- Environmental Studies Center (CEA), São Paulo State University (UNESP), Av. 24-A, 1515, 13506-900, Rio Claro, SP, Brazil
| | - Silvia Harumi Kamazuka
- Environmental Studies Center (CEA), São Paulo State University (UNESP), Av. 24-A, 1515, 13506-900, Rio Claro, SP, Brazil
| | - Hendryk Gemeiner
- Environmental Studies Center (CEA), São Paulo State University (UNESP), Av. 24-A, 1515, 13506-900, Rio Claro, SP, Brazil; Basin Studies Laboratory (LEBAC), São Paulo State University (UNESP), Avenida 24-A, 1515, 13506-900, Rio Claro, SP, Brazil
| | - Angélica Maria Sánchez-Sarmiento
- Argonauta Institute for Coastal and Marine Conservation, Av. Governador Abreu Sodré, 1067, 11695-240, Ubatuba, São Paulo, Brazil
| | - Raquel Beneton Ferioli
- Argonauta Institute for Coastal and Marine Conservation, Av. Governador Abreu Sodré, 1067, 11695-240, Ubatuba, São Paulo, Brazil
| | - André Silva Barreto
- Biodiversity Informatics and Geomatic Laboratory (LIBGeo), University of Vale do Itajaí (UNIVALI), Rua Uruguai, 458, 88302-901, Itajaí, SC, Brazil
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Ali M, Song X, Wang Q, Zhang Z, Zhang M, Chen X, Tang Z, Liu X. Thermally enhanced biodegradation of benzo[a]pyrene and benzene co-contaminated soil: Bioavailability and generation of ROS. JOURNAL OF HAZARDOUS MATERIALS 2023; 455:131494. [PMID: 37172381 DOI: 10.1016/j.jhazmat.2023.131494] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/09/2023] [Accepted: 04/23/2023] [Indexed: 05/14/2023]
Abstract
In this study, a set of comprehensive experiments were conducted to explore the effects of temperature on the biodegradation, bioavailability, and generation of reactive oxygen species (ROS) by thermally enhanced biodegradation (TEB) under benzene and BaP co-contaminated conditions. The biodegradation rates of benzene increased from 57.4% to 88.7% and 84.9%, and the biodegradation efficiency of BaP was enhanced from 15.8% to 34.6% and 28.6%, when the temperature was raised from the ambient temperature of 15 °C to 45 °C and 30 °C, respectively. In addition, the bioavailability analysis results demonstrated that the water- and butanol-extractable BaP increased with elevated temperatures. High enzymatic activities and PAH-RHDα gene in gram-positive bacteria favored the long-term elevated temperatures (30 and 45 °C) compared to gram-negative bacteria. Moreover, ROS species (O2•- and •OH) generation was detected which were scavenged by the increased superoxide dismutase and catalase activities at elevated temperatures. Soil properties (pH, TOC, moisture, total iron, Fe3+, and Fe2+) were affected by the temperature treatments, revealing that metal-organic-associated reactions occurred during the TEB of benzene-BaP co-contamination. The results concluded that biodegradation of benzene-BaP co-contamination was greatly improved at 45 °C and that microbial activities enhanced the biodegradation under TEB via the increased bioavailability and generation and degradation of ROS.
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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.
| | - 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
| | - Meng Zhang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
| | - Xing Chen
- China Construction 8th Engineering Division Corp., LTD, Shanghai 200122, 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
| | - Xin Liu
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
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15
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Hassan S, Ganai BA. Deciphering the recent trends in pesticide bioremediation using genome editing and multi-omics approaches: a review. World J Microbiol Biotechnol 2023; 39:151. [PMID: 37029313 DOI: 10.1007/s11274-023-03603-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 04/03/2023] [Indexed: 04/09/2023]
Abstract
Pesticide pollution in recent times has emerged as a grave environmental problem contaminating both aquatic and terrestrial ecosystems owing to their widespread use. Bioremediation using gene editing and system biology could be developed as an eco-friendly and proficient tool to remediate pesticide-contaminated sites due to its advantages and greater public acceptance over the physical and chemical methods. However, it is indispensable to understand the different aspects associated with microbial metabolism and their physiology for efficient pesticide remediation. Therefore, this review paper analyses the different gene editing tools and multi-omics methods in microbes to produce relevant evidence regarding genes, proteins and metabolites associated with pesticide remediation and the approaches to contend against pesticide-induced stress. We systematically discussed and analyzed the recent reports (2015-2022) on multi-omics methods for pesticide degradation to elucidate the mechanisms and the recent advances associated with the behaviour of microbes under diverse environmental conditions. This study envisages that CRISPR-Cas, ZFN and TALEN as gene editing tools utilizing Pseudomonas, Escherichia coli and Achromobacter sp. can be employed for remediation of chlorpyrifos, parathion-methyl, carbaryl, triphenyltin and triazophos by creating gRNA for expressing specific genes for the bioremediation. Similarly, systems biology accompanying multi-omics tactics revealed that microbial strains from Paenibacillus, Pseudomonas putida, Burkholderia cenocepacia, Rhodococcus sp. and Pencillium oxalicum are capable of degrading deltamethrin, p-nitrophenol, chlorimuron-ethyl and nicosulfuron. This review lends notable insights into the research gaps and provides potential solutions for pesticide remediation by using different microbe-assisted technologies. The inferences drawn from the current study will help researchers, ecologists, and decision-makers gain comprehensive knowledge of value and application of systems biology and gene editing in bioremediation assessments.
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Affiliation(s)
- Shahnawaz Hassan
- Department of Environmental Science, University of Kashmir, Srinagar, 190006, India.
| | - Bashir Ahmad Ganai
- Centre of Research for Development, University of Kashmir, Srinagar, 190006, India.
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16
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Liu Q, Sun S, Chen S, Su Y, Wang Y, Tang F, Zhao C, Li L. A novel dehydrocoenzyme activator combined with a composite microbial agent TY for enhanced bioremediation of crude oil-contaminated soil. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 331:117246. [PMID: 36642048 DOI: 10.1016/j.jenvman.2023.117246] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/30/2022] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
Bioaugmentation (BA) and biostimulation (BS) synergistic remediation is an effective remediation strategy for oil-contaminated soil. In this study, the optimal combination system of composite microbial agent TY (Achromobacter: Pseudomona = 2:1) and dehydrocoenzyme activator (NaNO3 (7.0 g/L), (NH4)2HPO4 (1.0 g/L), riboflavin (6.0 mg/L)) was screened. Under the best combination system, the degradation rate of crude oil in oil-contaminated soil reached 79.44% after 60 d, which was 1.74 times and 1.23 times higher than that of compound microbial agent TY treatment and dehydrogenase activator treatment, respectively. In addition, a highly efficient combination system was found to target the degradation of oil C10-C28 fractions by gas chromatography (GC). The increased abundance of dehydrogenase coenzymes such as flavin nucleotides (FAD and FMN), coenzyme I (NAD+, Co I) and coenzyme II (NADP+, Co II) as well as dioxygenases and monooxygenases promote the degradation of crude oil. Furthermore, the dominant genera at the genus level in soil were analyzed by high-throughput sequencing, which were Nocardioides (46.48%-56.07%), Gordonia (11.40%-14.61%), Intrasporangiaceae (5.05%-10.58%), Pseudomonas (1.39%-1.92%) and Dietzia (0.64%-2.77%). Phylogenetic Investigation of Communities by Reconstruction of Unobserved States (PICRUSt) analysis showed that the abundance of genes associated with crude oil degradation such as ABC transporters (2.89%), fatty acid (1.04%), carbon metabolism (4.5%) and aromatic compound (0.92%) was assigned enhanced after 60 d of remediation. These results indicated that the combination system of the compound bacterium TY and the dehydrocoenzyme activator is a propective option for the bioremediation of oil-contaminated soil.
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Affiliation(s)
- Qiyou Liu
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, PR China; State Key Laboratory of Petroleum Pollution Control, Qingdao, 266580, PR China.
| | - Shuo Sun
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, PR China; State Key Laboratory of Petroleum Pollution Control, Qingdao, 266580, PR China
| | - Shuiquan Chen
- College of Energy and Mining Engineering, Shandong University of Science and Technology, Qingdao, 266590, PR China
| | - Yuhua Su
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, PR China; State Key Laboratory of Petroleum Pollution Control, Qingdao, 266580, PR China
| | - Yaru Wang
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, PR China; State Key Laboratory of Petroleum Pollution Control, Qingdao, 266580, PR China
| | - Fang Tang
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, PR China; State Key Laboratory of Petroleum Pollution Control, Qingdao, 266580, PR China
| | - Chaocheng Zhao
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao, 266580, PR China; State Key Laboratory of Petroleum Pollution Control, Qingdao, 266580, PR China
| | - Lin Li
- College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, PR China
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17
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Chunyan X, Qaria MA, Qi X, Daochen Z. The role of microorganisms in petroleum degradation: Current development and prospects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 865:161112. [PMID: 36586680 DOI: 10.1016/j.scitotenv.2022.161112] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/04/2022] [Accepted: 12/18/2022] [Indexed: 06/17/2023]
Abstract
Petroleum hydrocarbon compounds are persistent organic pollutants, which can cause permanent damage to ecosystems due to their biomagnification. Bioremediation of oil is currently the main solution for the remediation of petroleum hydrocarbon pollutants in ecosystems. Despite several lab studies on oil microbial biodegradation efficiency, still there are various challenges for microorganisms to perform efficiently in outside environments. Herewith, investigating efficient biodegradation technologies through discovering new microorganisms, biodegradation pathways modification, and new bioremediations technologies are in great demand. The degradation of petroleum pollutants by microorganisms and the remediation of contaminated soils are achieved through their key enzymes and metabolic pathways. Although, several challenges hinder the effective biodegradation processes such as the toxic environment, long chains and versatility of petroleum hydrocarbons and the existence of the full metabolism pathways in a single microorganism. There are several developed oil biodegradation strategies by microorganisms such as synthetic biology, biofilm, recombinant technology and microbial consortia. Herewith, the application of multi-omics technology to discover oil-contaminated environments microbial communities, synthetic biology, microbial consortia, and other technologies would help improve the efficiency of microbial remediation.
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Affiliation(s)
- Xu Chunyan
- Biofuels Institute, School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Majjid A Qaria
- Biofuels Institute, School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Xu Qi
- Biofuels Institute, School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Zhu Daochen
- Biofuels Institute, School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China.
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18
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Gou Y, Song Y, Yang S, Yang Y, Cheng Y, Li J, Zhang T, Cheng Y, Wang H. Polycyclic aromatic hydrocarbon removal from subsurface soil mediated by bacteria and archaea under methanogenic conditions: Performance and mechanisms. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 313:120023. [PMID: 36030953 DOI: 10.1016/j.envpol.2022.120023] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/21/2022] [Accepted: 08/18/2022] [Indexed: 06/15/2023]
Abstract
In situ anoxic bioremediation is an easy-to-use technology to remediate polycyclic aromatic hydrocarbon (PAH)-contaminated soil. Degradation of PAHs mediated by soil bacteria and archaea using CO2 as the electron acceptor is an important process for eliminating PAHs under methanogenic conditions; however, knowledge of the performance and mechanisms involved is poorly unveiled. In this study, the effectiveness and efficiency of NaHCO3 (CO2) as an electron acceptor to stimulate the degradation of PAHs by bacteria and archaea in highly contaminated soil were investigated. The results showed that CO2 addition (EC2000) promoted PAH degradation compared to soil without added CO2 (EC0), with 4.18%, 9.01%-8.05%, and 6.19%-12.45% increases for 2-, 3- and 4-ring PAHs after 250 days of incubation, respectively. Soil bacterial abundances increased with increasing incubation time, especially for EC2000 (2.90 × 108 g-1 soil higher than EC0, p < 0.05). Different succession patterns of the soil bacterial and archaeal communities during PAH degradation were observed. According to the PCoA and ANOSIM results, the soil bacterial communities were greatly (ANOSIM: R = 0.7232, P = 0.001) impacted by electron acceptors, whereas significant differences in the archaeal communities were not observed (ANOSIM: R = 0.553, P = 0.001). Soil bacterial and archaeal co-occurrence network analyses showed that positive correlations outnumbered the negative correlations throughout the incubation period for both treatments (e.g., EC0 and EC2000), suggesting the prevalence of coexistence/cooperation within and between these two domains rather than competition. The higher complexity, connectance, edge, and node numbers in EC2000 revealed stronger linkage and a more stable co-occurrence network compared to EC0. The results of this study could improve the knowledge on the removal of PAHs and the responses of soil bacteria and archaea to CO2 application, as well as a scientific basis for the in situ anoxic bioremediation of PAH-contaminated industrial sites.
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Affiliation(s)
- Yaling Gou
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China; Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100089, China
| | - Yun Song
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100089, China
| | - Sucai Yang
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100089, China
| | - Yan Yang
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100089, China
| | - Yanan Cheng
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100089, China
| | - Jiabin Li
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100089, China
| | - Tengfei Zhang
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100089, China
| | - Yanjun Cheng
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100089, China
| | - Hongqi Wang
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China.
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19
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Ganesan M, Mani R, Sai S, Kasivelu G, Awasthi MK, Rajagopal R, Wan Azelee NI, Selvi PK, Chang SW, Ravindran B. Bioremediation by oil degrading marine bacteria: An overview of supplements and pathways in key processes. CHEMOSPHERE 2022; 303:134956. [PMID: 35588873 DOI: 10.1016/j.chemosphere.2022.134956] [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: 03/18/2022] [Revised: 05/01/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
Oil spillage is one of the most common pollutants which brings greater economic loss and damage to the environment. The intensity and amount of the damage may vary depending on factors such as the type of oil, the location of the spill, and the climatic parameters in the area. As for any pollution management, the guidelines are Reduce, Re-use, Recover and Disposal. Amongst the other remediation processes, Bioremediation is amongst the most significant environmentally friendly and cost-effective approaches for marine biological restoration because it allows complex petroleum hydrocarbons in spilt oil to decompose completely into harmless compounds. Mainly, the necessity and essence of bioremediation were talked about. This review discussed the bacteria identified which are capable of degrading various oil related pollutants and their components. Also, it covered the various media components used for screening and growing the oil degrading bacteria and the pathways that are associated with oil degradation. This article also reviewed the recent research carried out related to the oil degrading bacteria.
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Affiliation(s)
- Mirunalini Ganesan
- Centre for Ocean Research, Col. Dr. Jeppiaar Ocean Research Field Facility, ESTC Cell Marine Biotechnology, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - Ravi Mani
- Centre for Ocean Research, Col. Dr. Jeppiaar Ocean Research Field Facility, ESTC Cell Marine Biotechnology, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - Sakthinarenderan Sai
- Centre for Ocean Research, Col. Dr. Jeppiaar Ocean Research Field Facility, ESTC Cell Marine Biotechnology, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - Govindaraju Kasivelu
- Centre for Ocean Research, Col. Dr. Jeppiaar Ocean Research Field Facility, ESTC Cell Marine Biotechnology, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Taicheng Road 3#, Yangling, Shaanxi, 712100, PR China.
| | - Rajinikanth Rajagopal
- Sherbrooke Research and Development Center, Agriculture and Agri-Food Canada, 2000 College Street, Sherbrooke, QC J1M 0C8, Canada
| | - Nur Izyan Wan Azelee
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, 81310, Johor, Malaysia
| | - P K Selvi
- Central Pollution Control Board, Nisarga Bhawan, Shivanagar, Bengaluru, India
| | - Soon Woong Chang
- Department of Environmental Energy and Engineering, Kyonggi University, Youngtong-Gu, Suwon, Gyeonggi-Do, 16227, Republic of Korea
| | - Balasubramani Ravindran
- Department of Environmental Energy and Engineering, Kyonggi University, Youngtong-Gu, Suwon, Gyeonggi-Do, 16227, Republic of Korea; Department of Medical Biotechnology and Integrative Physiology, Institute of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Thandalam, Chennai 602 105, Tamil Nadu, India.
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Assessment of Different Spent Mushroom Substrates to Bioremediate Soils Contaminated with Petroleum Hydrocarbons. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12157720] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Bioremediation techniques are being developed as substitutes for physical–chemical methodologies that are expensive and not sustainable. For example, using the agricultural waste spent mushroom substrate (SMS) which contains valuable microbiota for soil bioremediation. In this work, SMSs of four cultivated fungal species, Pleurotus eryngii, Lentinula edodes, Pleurotus ostreatus, and Agaricus bisporus were evaluated for the bioremediation of soils contaminated by petroleum hydrocarbons (TPHs). The bioremediation test was carried out by mixing the four different SMSs with the TPH-contaminated soil in comparison with an unamended soil control to assess its natural attenuation. To determine the most efficient bioremediation strategy, hydrolase, dehydrogenase, and ligninolytic activities, ergosterol content, and percentage of TPHs degradation (total and by chains) were determined at the end of the assay at 40 days. The application of SMS significantly improved the degradation of TPHs with respect to the control. The most effective spent mushroom substrate to degrade TPHs was A. bisporus, followed by L. edodes and P. ostreatus. Similar results were obtained for the removal of aliphatic and aromatic hydrocarbons. The results showed the effectiveness of SMS to remove aliphatic and aromatic hydrocarbons from C10 to C35. This work demonstrates an alternative to valorizing an abundant agricultural waste as SMS to bioremediate contaminated soils.
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Barcoto MO, Rodrigues A. Lessons From Insect Fungiculture: From Microbial Ecology to Plastics Degradation. Front Microbiol 2022; 13:812143. [PMID: 35685924 PMCID: PMC9171207 DOI: 10.3389/fmicb.2022.812143] [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: 11/09/2021] [Accepted: 03/15/2022] [Indexed: 11/13/2022] Open
Abstract
Anthropogenic activities have extensively transformed the biosphere by extracting and disposing of resources, crossing boundaries of planetary threat while causing a global crisis of waste overload. Despite fundamental differences regarding structure and recalcitrance, lignocellulose and plastic polymers share physical-chemical properties to some extent, that include carbon skeletons with similar chemical bonds, hydrophobic properties, amorphous and crystalline regions. Microbial strategies for metabolizing recalcitrant polymers have been selected and optimized through evolution, thus understanding natural processes for lignocellulose modification could aid the challenge of dealing with the recalcitrant human-made polymers spread worldwide. We propose to look for inspiration in the charismatic fungal-growing insects to understand multipartite degradation of plant polymers. Independently evolved in diverse insect lineages, fungiculture embraces passive or active fungal cultivation for food, protection, and structural purposes. We consider there is much to learn from these symbioses, in special from the community-level degradation of recalcitrant biomass and defensive metabolites. Microbial plant-degrading systems at the core of insect fungicultures could be promising candidates for degrading synthetic plastics. Here, we first compare the degradation of lignocellulose and plastic polymers, with emphasis in the overlapping microbial players and enzymatic activities between these processes. Second, we review the literature on diverse insect fungiculture systems, focusing on features that, while supporting insects' ecology and evolution, could also be applied in biotechnological processes. Third, taking lessons from these microbial communities, we suggest multidisciplinary strategies to identify microbial degraders, degrading enzymes and pathways, as well as microbial interactions and interdependencies. Spanning from multiomics to spectroscopy, microscopy, stable isotopes probing, enrichment microcosmos, and synthetic communities, these strategies would allow for a systemic understanding of the fungiculture ecology, driving to application possibilities. Detailing how the metabolic landscape is entangled to achieve ecological success could inspire sustainable efforts for mitigating the current environmental crisis.
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Affiliation(s)
- Mariana O. Barcoto
- Center for the Study of Social Insects, São Paulo State University (UNESP), Rio Claro, Brazil
- Department of General and Applied Biology, São Paulo State University (UNESP), Rio Claro, Brazil
| | - Andre Rodrigues
- Center for the Study of Social Insects, São Paulo State University (UNESP), Rio Claro, Brazil
- Department of General and Applied Biology, São Paulo State University (UNESP), Rio Claro, Brazil
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22
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Ambaye TG, Chebbi A, Formicola F, Prasad S, Gomez FH, Franzetti A, Vaccari M. Remediation of soil polluted with petroleum hydrocarbons and its reuse for agriculture: Recent progress, challenges, and perspectives. CHEMOSPHERE 2022; 293:133572. [PMID: 35016966 DOI: 10.1016/j.chemosphere.2022.133572] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/06/2022] [Accepted: 01/06/2022] [Indexed: 06/14/2023]
Abstract
Petroleum hydrocarbons (PHs) are used as raw materials in many industries and primary energy sources. However, excessive PHs act as soil pollutants, posing serious threats to living organisms. Various ex-situ or in-situ chemical and biological methods are applied to restore polluted soil. However, most of the chemical treatment methods are expensive, environmentally unfriendly, and sometimes inefficient. That attracts scientists and researchers to develop and select new strategists to remediate polluted soil through risk-based analysis and eco-friendly manner. This review discusses the sources of PHs, properties, distribution, transport, and fate in the environment, internal and external factors affecting the soil remediation and restoration process, and its effective re-utilization for agriculture. Bioremediation is an eco-friendly method for degrading PHs, specifically by using microorganisms. Next-generation sequencing (NGS) technologies are being used to monitor contaminated sites. Currently, these new technologies have caused a paradigm shift by giving new insights into the microbially mediated biodegradation processes by targeting rRNA are discussed concisely. The recent development of risk-based management for soil contamination and its challenges and future perspectives are also discussed. Furthermore, nanotechnology seems very promising for effective soil remediation, but its success depends on its cost-effectiveness. This review paper suggests using bio-electrochemical systems that utilize electro-chemically active microorganisms to remediate and restore polluted soil with PHs that would be eco-friendlier and help tailor-made effective and sustainable remediation technologies.
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Affiliation(s)
- Teklit Gebregiorgis Ambaye
- Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, Via Branze 43, 25123, Brescia, Italy.
| | - Alif Chebbi
- Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, Via Branze 43, 25123, Brescia, Italy; Department of Earth and Environmental Sciences -DISAT, University of Milano-Bicocca, Piazza Della Scienza, 1 - 20126, Milano, Italy
| | - Francesca Formicola
- Department of Earth and Environmental Sciences -DISAT, University of Milano-Bicocca, Piazza Della Scienza, 1 - 20126, Milano, Italy
| | - Shiv Prasad
- Division of Environment Science, ICAR-Indian Agricultural Research Institute, New Delhi, 110012, India
| | - Franco Hernan Gomez
- Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, Via Branze 43, 25123, Brescia, Italy
| | - Andrea Franzetti
- Department of Earth and Environmental Sciences -DISAT, University of Milano-Bicocca, Piazza Della Scienza, 1 - 20126, Milano, Italy
| | - Mentore Vaccari
- Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, Via Branze 43, 25123, Brescia, Italy.
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Massot F, Bernard N, Alvarez LMM, Martorell MM, Mac Cormack WP, Ruberto LAM. Microbial associations for bioremediation. What does "microbial consortia" mean? Appl Microbiol Biotechnol 2022; 106:2283-2297. [PMID: 35294589 DOI: 10.1007/s00253-022-11864-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 02/23/2022] [Accepted: 02/26/2022] [Indexed: 11/02/2022]
Abstract
Microbial associations arise as useful tools in several biotechnological processes. Among them, bioremediation of contaminated environments usually takes advantage of these microbial associations. Despite being frequently used, these associations are indicated using a variety of expressions, showing a lack of consensus by specialists in the field. The main idea of this work is to analyze the variety of microbial associations referred to as "microbial consortia" (MC) in the context of pollutants biodegradation and bioremediation. To do that, we summarize the origin of the term pointing out the features that an MC is expected to meet, according to the opinion of several authors. An analysis of related bibliography was done seeking criteria to rationalize and classify MC in the context of bioremediation. We identify that the microbe's origin and the level of human intervention are usually considered as a category to classify them as natural microbial consortia (NMC), artificial microbial consortia (AMC), and synthetic microbial consortia (SMC). In this sense, NMC are those associations composed by microorganisms obtained from a single source while AMC members come from different sources. SMC are a class of AMC in which microbial composition is defined to accomplish a certain specific task. We propose that the effective or potential existence of the interaction among MC members in the source material should be considered as a category in the classification as well, in combination with the origin of the source and level of intervention. Cross-kingdom MC and new developments were also considered. Finally, the existence of grey zones in the limits between each proposed microbial consortia category is addressed. KEY POINTS: • Microbial consortia for bioremediation can be obtained through different methods. • The use of the term "microbial consortia" is unclear in the specialized literature. • We propose a simplified classification for microbial consortia for bioremediation.
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Affiliation(s)
- Francisco Massot
- Instituto Antártico Argentino (IAA), Buenos Aires, Argentina.,Instituto de Nanobiotecnología (NANOBIOTEC, UBA-CONICET), Buenos Aires, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.,Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires (FFyB UBA), Buenos Aires, Argentina
| | - Nathalie Bernard
- Instituto de Nanobiotecnología (NANOBIOTEC, UBA-CONICET), Buenos Aires, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.,Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires (FFyB UBA), Buenos Aires, Argentina
| | - Lucas M Martinez Alvarez
- Instituto Antártico Argentino (IAA), Buenos Aires, Argentina.,Instituto de Nanobiotecnología (NANOBIOTEC, UBA-CONICET), Buenos Aires, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.,Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires (FFyB UBA), Buenos Aires, Argentina
| | - María M Martorell
- Instituto Antártico Argentino (IAA), Buenos Aires, Argentina.,Instituto de Nanobiotecnología (NANOBIOTEC, UBA-CONICET), Buenos Aires, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.,Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires (FFyB UBA), Buenos Aires, Argentina
| | - Walter P Mac Cormack
- Instituto Antártico Argentino (IAA), Buenos Aires, Argentina.,Instituto de Nanobiotecnología (NANOBIOTEC, UBA-CONICET), Buenos Aires, Argentina
| | - Lucas A M Ruberto
- Instituto Antártico Argentino (IAA), Buenos Aires, Argentina. .,Instituto de Nanobiotecnología (NANOBIOTEC, UBA-CONICET), Buenos Aires, Argentina. .,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina. .,Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires (FFyB UBA), Buenos Aires, Argentina.
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24
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Gao Y, Yuan L, Du J, Wang H, Yang X, Duan L, Zheng L, Bahar MM, Zhao Q, Zhang W, Liu Y, Fu Z, Wang W, Naidu R. Bacterial community profile of the crude oil-contaminated saline soil in the Yellow River Delta Natural Reserve, China. CHEMOSPHERE 2022; 289:133207. [PMID: 34890619 DOI: 10.1016/j.chemosphere.2021.133207] [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: 09/01/2021] [Revised: 12/04/2021] [Accepted: 12/06/2021] [Indexed: 06/13/2023]
Abstract
Crude oil contamination greatly influence soil bacterial community. Proliferative microbes in the crude oil-contaminated soil are closely related to the living conditions. Oil wells in the Yellow River Delta Natural Reserve (YRDNR) region is an ideal site for investigating the bacterial community of crude oil-contaminated saline soil. In the present study, 18 soil samples were collected from the depths of 0-20 cm and 20-40 cm around the oil wells in the YRDNR. The bacterial community profile was analyzed through high-throughput sequencing to trace the oil-degrading aerobic and anaerobic bacteria. The results indicated that C15-C28 and C29-C38 were the main fractions of total petroleum hydrocarbon (TPH) in the sampled soil. These TPH fractions had a significant negative effect on bacterial biodiversity (Shannon, Simpson, and Chao1 indices), which led to the proliferation of hydrocarbon-degrading bacteria. A comprehensive analysis between the environmental factors and soil microbial community structure showed that Streptococcus, Bacillus, Sphingomonas, and Arthrobacter were the aerobic hydrocarbon-degrading bacteria; unidentified Rhodobacteraceae and Porticoccus were considered to be the possible facultative anaerobic bacteria with hydrocarbon biodegradation ability; Acidithiobacillus, SAR324 clade, and Nitrosarchaeum were predicted to be the anaerobic hydrocarbon-degrading bacteria in the sub-surface soil. Furthermore, large amount of carbon sources derived from TPH was found to cause depletion of bioavailable nitrogen in the soil. The bacteria associated with nitrogen transformation, such as Solirubrobacter, Candidatus Udaeobacter, Lysinibacillus, Bradyrhizobium, Sphingomonas, Mycobacterium, and Acidithiobacillus, were highly abundant; these bacteria may possess the ability to increase nitrogen availability in the crude oil-contaminated soil. The bacterial community functions were significantly different between the surface and the sub-surface soil, and the dissolved oxygen concentration in soil was considered to be potential influencing factor. Our results could provide useful information for the bioremediation of crude oil-contaminated saline soil.
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Affiliation(s)
- Yongchao Gao
- Qilu University of Technology (Shandong Academy of Sciences), Ecology Institute, Shandong Provincial Key Laboratory of Applied Microbiology, 28789 East Jingshi Road, Jinan, 250103, China.
| | - Liyuan Yuan
- Qilu University of Technology (Shandong Academy of Sciences), Ecology Institute, Shandong Provincial Key Laboratory of Applied Microbiology, 28789 East Jingshi Road, Jinan, 250103, China
| | - Jianhua Du
- Global Centre for Environmental Remediation, Faculty of Science, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Hui Wang
- School of Resources and Environment, University of Jinan, Jinan, 250022, China
| | - Xiaodong Yang
- Department of Geography & Spatial Information Technology, Ningbo University, Ningbo, 315211, China.
| | - Luchun Duan
- Global Centre for Environmental Remediation, Faculty of Science, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Liwen Zheng
- Qilu University of Technology (Shandong Academy of Sciences), Ecology Institute, Shandong Provincial Key Laboratory of Applied Microbiology, 28789 East Jingshi Road, Jinan, 250103, China
| | - Md Mezbaul Bahar
- Global Centre for Environmental Remediation, Faculty of Science, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Qingqing Zhao
- Qilu University of Technology (Shandong Academy of Sciences), Ecology Institute, Shandong Provincial Key Laboratory of Applied Microbiology, 28789 East Jingshi Road, Jinan, 250103, China
| | - Wen Zhang
- Qilu University of Technology (Shandong Academy of Sciences), Ecology Institute, Shandong Provincial Key Laboratory of Applied Microbiology, 28789 East Jingshi Road, Jinan, 250103, China
| | - Yanju Liu
- Global Centre for Environmental Remediation, Faculty of Science, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Zhaoyang Fu
- Qilu University of Technology (Shandong Academy of Sciences), Ecology Institute, Shandong Provincial Key Laboratory of Applied Microbiology, 28789 East Jingshi Road, Jinan, 250103, China
| | - Wei Wang
- Qilu University of Technology (Shandong Academy of Sciences), Ecology Institute, Shandong Provincial Key Laboratory of Applied Microbiology, 28789 East Jingshi Road, Jinan, 250103, China
| | - Ravi Naidu
- Global Centre for Environmental Remediation, Faculty of Science, University of Newcastle, Callaghan, NSW, 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment, Callaghan, NSW, 2308, Australia
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