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Li X, Wu Q, Wang Y, Li G, Su Y. UHPM dominance in driving the formation of petroleum-contaminated soil aggregate, the bacterial communities succession, and phytoremediation. J Hazard Mater 2024; 471:134322. [PMID: 38636238 DOI: 10.1016/j.jhazmat.2024.134322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 04/12/2024] [Accepted: 04/14/2024] [Indexed: 04/20/2024]
Abstract
This study focused on the effects of urea humate-based porous materials (UHPM) on soil aggregates, plant physiological characteristics, and microbial diversity to explore the effects of UHPM on the phytoremediation of petroleum-contaminated soil. The compositions of soil aggregates, ryegrass (Lolium perenne) biomass, plant petroleum enrichment capacity, and bacterial communities in soils with and without UHPM were investigated. The results showed that UHPM significantly increased soil aggregate content by 0.25 mm-5 mm, resulting in higher fertilizer holding capacity, erosion resistance capacity, and plant biomass and microbial number than the soil without UHPM mixed. In addition, UHPM decreased the absorption of petroleum by plants in the soil while increasing the abundance of degrading bacteria and petroleum-degrading-related genes in the soil, thereby promoting the removal of hard-to-degrade petroleum components. RDA showed that, compared with the unimproved soil, each soil indicator was positively correlated with a high abundance of degrading bacteria in the improved soil and was significant. UHPM can be regarded as a petroleum-contaminated soil remediation agent that combines slow nutrient release with soil improvement effects.
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Affiliation(s)
- Xiaokang Li
- College of Chemical Engineering, Petroleum and Natural Gas and Fine Chemicals Key Laboratory, Xinjiang University, Urumqi 830046, China
| | - Quanfu Wu
- PetroChina Karamay Petrochemical Co., Ltd, Karamay 834000, China
| | - Yinfei Wang
- College of Chemical Engineering, Petroleum and Natural Gas and Fine Chemicals Key Laboratory, Xinjiang University, Urumqi 830046, China
| | - Gang Li
- Xinjiang Uygur Autonomous Region Solid Waste Management Center, Urumqi 830046, China.
| | - Yuhong Su
- College of Chemical Engineering, Petroleum and Natural Gas and Fine Chemicals Key Laboratory, Xinjiang University, Urumqi 830046, China.
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2
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Ñañez KB, Rios Ramirez KD, Cordeiro de Oliveira OM, Reyes CY, Andrade Moreira ÍT. Removal of polycyclic aromatic hydrocarbons (PAHs) from produced water using the microalgae Chlorella vulgaris cultivated in mixotrophic and heterotrophic conditions. Chemosphere 2024; 356:141931. [PMID: 38614391 DOI: 10.1016/j.chemosphere.2024.141931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 03/24/2024] [Accepted: 04/05/2024] [Indexed: 04/15/2024]
Abstract
Chlorella vulgaris was cultivated for 15 days in 10 different treatments under mixotrophic and heterotrophic conditions, using wastewater from oil and poultry industries as the culture medium. The blends were made with produced water (PW), sterilized produced water (PWs), sterilized poultry wastewater (PoWs), sterilized seawater (SWs), and the addition of sodium nitrate to evaluate cell growth in treatments and the removal of PAHs. The heterotrophic condition showed more effective removal, having an initial concentration of 3.93 μg L-1 and a final concentration of 0.57 μg L-1 of total PAHs reporting 83%, during phycoremediation of (PW) than the mixotrophic condition, with an initial concentration of 3.93 μg L-1 and a final concentration of 1.96 and 43% removal for the PAHs. In the heterotrophic condition, the blend with (PWs + SWs) with an initial concentration of 0.90 μg L-1 and a final concentration of 0.32 μg L-1 had 64% removal of total PAHs compared to the mixotrophic condition with 37% removal having an initial concentration of 0.90 μg L-1 and a final concentration of 0.56 μg L-1. However, the best result in the mixotrophic condition was obtained using a blend of (PWs + PoWs) that had an initial cell concentration of 1.18 × 105 cells mL-1 and reached a final cell concentration of 4.39 × 105 cells mL-1, an initial concentration of 4.76 μg L-1 and a final concentration of 0.37 μg L-1 having a 92% total removal of PAHs. The biostimulation process increased the percentage of PAHs removal by 45% (PW) in the mixotrophic condition. This study showed that it is possible to allow an environmental remediation strategy that significantly reduces effluent toxicity and generates high value-added biomass in contaminated effluents rich in nutrients and carbon, based on a circular bioeconomy model.
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Affiliation(s)
- Katerine Botero Ñañez
- Federal University of Bahia, Geosciences Institute, R. Barão de Jeremoabo, s/n - Ondina, 40170-290, Salvador, BA, Brazil.
| | - Karen Daniela Rios Ramirez
- Federal University of Bahia, Geosciences Institute, R. Barão de Jeremoabo, s/n - Ondina, 40170-290, Salvador, BA, Brazil
| | | | - Claudia Yolanda Reyes
- University of the Amazon, Campus Porvenir street 17 Diagonal 17 with Carrera 3F, Florencia, CAQ, Colombia
| | - Ícaro Thiago Andrade Moreira
- Federal University of Bahia, Geosciences Institute, R. Barão de Jeremoabo, s/n - Ondina, 40170-290, Salvador, BA, Brazil
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3
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Li Y, Liu Y, Guo D, Dong H. Differential degradation of petroleum hydrocarbons by Shewanella putrefaciens under aerobic and anaerobic conditions. Front Microbiol 2024; 15:1389954. [PMID: 38659987 PMCID: PMC11040095 DOI: 10.3389/fmicb.2024.1389954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 03/27/2024] [Indexed: 04/26/2024] Open
Abstract
The complexity of crude oil composition, combined with the fluctuating oxygen level in contaminated environments, poses challenges for the bioremediation of oil pollutants, because of compound-specific microbial degradation of petroleum hydrocarbons under certain conditions. As a result, facultative bacteria capable of breaking down petroleum hydrocarbons under both aerobic and anaerobic conditions are presumably effective, however, this hypothesis has not been directly tested. In the current investigation, Shewanella putrefaciens CN32, a facultative anaerobic bacterium, was used to degrade petroleum hydrocarbons aerobically (using O2 as an electron acceptor) and anaerobically (using Fe(III) as an electron acceptor). Under aerobic conditions, CN32 degraded more saturates (65.65 ± 0.01%) than aromatics (43.86 ± 0.03%), with the following order of degradation: dibenzofurans > n-alkanes > biphenyls > fluorenes > naphthalenes > alkylcyclohexanes > dibenzothiophenes > phenanthrenes. In contrast, under anaerobic conditions, CN32 exhibited a higher degradation of aromatics (53.94 ± 0.02%) than saturates (23.36 ± 0.01%), with the following order of degradation: dibenzofurans > fluorenes > biphenyls > naphthalenes > dibenzothiophenes > phenanthrenes > n-alkanes > alkylcyclohexanes. The upregulation of 4-hydroxy-3-polyprenylbenzoate decarboxylase (ubiD), which plays a crucial role in breaking down resistant aromatic compounds, was correlated with the anaerobic degradation of aromatics. At the molecular level, CN32 exhibited a higher efficiency in degrading n-alkanes with low and high carbon numbers relative to those with medium carbon chain lengths. In addition, the degradation of polycyclic aromatic hydrocarbons (PAHs) under both aerobic and anaerobic conditions became increasingly difficult with increased numbers of benzene rings and methyl groups. This study offers a potential solution for the development of targeted remediation of pollutants under oscillating redox conditions.
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Affiliation(s)
- Yang Li
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Beijing, China
- School of Earth Sciences and Resources, China University of Geosciences, Beijing, China
| | - Yuan Liu
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Beijing, China
- School of Earth Sciences and Resources, China University of Geosciences, Beijing, China
| | - Dongyi Guo
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Beijing, China
| | - Hailiang Dong
- Center for Geomicrobiology and Biogeochemistry Research, State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Beijing, China
- School of Earth Sciences and Resources, China University of Geosciences, Beijing, China
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Bharali P, Gogoi B, Sorhie V, Acharjee SA, Walling B, Alemtoshi, Vishwakarma V, Shah MP. Autochthonous psychrophilic hydrocarbonoclastic bacteria and its ecological function in contaminated cold environments. Biodegradation 2024; 35:1-46. [PMID: 37436665 DOI: 10.1007/s10532-023-10042-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 05/30/2023] [Indexed: 07/13/2023]
Abstract
Petroleum hydrocarbon (PH) pollution has mostly been caused by oil exploration, extraction, and transportation activities in colder regions, particularly in the Arctic and Antarctic regions, where it serves as a primary source of energy. Due to the resilience feature of nature, such polluted environments become the realized ecological niches for a wide community of psychrophilic hydrocarbonoclastic bacteria (PHcB). In contrast, to other psychrophilic species, PHcB is extremely cold-adapted and has unique characteristics that allow them to thrive in greater parts of the cold environment burdened with PHs. The stated group of bacteria in its ecological niche aids in the breakdown of litter, turnover of nutrients, cycling of carbon and nutrients, and bioremediation. Although such bacteria are the pioneers of harsh colder environments, their growth and distribution remain under the influence of various biotic and abiotic factors of the environment. The review discusses the prevalence of PHcB community in colder habitats, the metabolic processes involved in the biodegradation of PH, and the influence of biotic and abiotic stress factors. The existing understanding of the PH metabolism by PHcB offers confirmation of excellent enzymatic proficiency with high cold stability. The discovery of more flexible PH degrading strategies used by PHcB in colder environments could have a significant beneficial outcome on existing bioremediation technologies. Still, PHcB is least explored for other industrial and biotechnological applications as compared to non-PHcB psychrophiles. The present review highlights the pros and cons of the existing bioremediation technologies as well as the potential of different bioaugmentation processes for the effective removal of PH from the contaminated cold environment. Such research will not only serve to investigate the effects of pollution on the basic functional relationships that form the cold ecosystem but also to assess the efficacy of various remediation solutions for diverse settings and climatic conditions.
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Affiliation(s)
- Pranjal Bharali
- Applied Environmental Microbial Biotechnology Laboratory, Department of Environmental Science, Nagaland University, Lumami, Nagaland, 798627, India.
| | - Bhagyudoy Gogoi
- Applied Environmental Microbial Biotechnology Laboratory, Department of Environmental Science, Nagaland University, Lumami, Nagaland, 798627, India
| | - Viphrezolie Sorhie
- Applied Environmental Microbial Biotechnology Laboratory, Department of Environmental Science, Nagaland University, Lumami, Nagaland, 798627, India
| | - Shiva Aley Acharjee
- Applied Environmental Microbial Biotechnology Laboratory, Department of Environmental Science, Nagaland University, Lumami, Nagaland, 798627, India
| | - Bendangtula Walling
- Applied Environmental Microbial Biotechnology Laboratory, Department of Environmental Science, Nagaland University, Lumami, Nagaland, 798627, India
| | - Alemtoshi
- Applied Environmental Microbial Biotechnology Laboratory, Department of Environmental Science, Nagaland University, Lumami, Nagaland, 798627, India
| | - Vinita Vishwakarma
- Centre for Nanoscience and Nanotechnology, Galgotias University, Greater Noida, NCR Delhi, India
| | - Maulin Pramod Shah
- Industrial Waste Water Research Lab, Division of Applied and Environmental Microbiology Lab at Enviro Technology Ltd., Ankleshwar, Gujarat, India
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5
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Yang H, Qian Z, Liu Y, Yu F, Huang T, Zhang B, Peng T, Hu Z. Comparative genomics reveals evidence of polycyclic aromatic hydrocarbon degradation in the moderately halophilic genus Pontibacillus. J Hazard Mater 2024; 462:132724. [PMID: 37839372 DOI: 10.1016/j.jhazmat.2023.132724] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 09/22/2023] [Accepted: 10/04/2023] [Indexed: 10/17/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are a common class of persistent organic pollutants (POPs) that are widely distributed in various environments and pose significant threats to both environmental and human health. The genus Pontibacillus, a type of moderately halophilic bacteria, has demonstrated potential for biodegrading aromatic compounds in high-salinity environments. However, no previous study has comprehensively investigated the PAH degradation mechanisms and environmental adaptability in the genus Pontibacillus. In this study, we sequenced the whole genome of the PAH-degrading strain Pontibacillus chungwhensis HN14 and conducted a comparative genomics analysis of genes associated with PAH degradation, as well as salt and arsenic tolerance using ten other Pontibacillus sp. strains. Here, we elucidated potential degradation pathways for benzo[a]pyrene and phenanthrene, which were initiated by cytochrome P450 monooxygenases, in most Pontibacillus strains. Moreover, four Pontibacillus strains were selected to investigate the biodegradation of benzo[a]pyrene and phenanthrene under high-salt (5% NaCl) stress, and all four strains exhibited exceptional degradation abilities. The results of comparative genomics and phenotypic analyses demonstrate that the genus Pontibacillus have the potential to degrade polycyclic aromatic hydrocarbons in high-salinity environments, thus providing valuable insights for biodegradation in extreme environments.
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Affiliation(s)
- Haichen Yang
- Department of Biology, Shantou University, Shantou, Guangdong 515063, PR China
| | - Zhihui Qian
- Department of Biology, Shantou University, Shantou, Guangdong 515063, PR China
| | - Yongjin Liu
- Department of Biology, Shantou University, Shantou, Guangdong 515063, PR China
| | - Fei Yu
- Department of Biology, Shantou University, Shantou, Guangdong 515063, PR China
| | - Tongwang Huang
- Department of Biology, Shantou University, Shantou, Guangdong 515063, PR China
| | - Bing Zhang
- Department of Biology, Shantou University, Shantou, Guangdong 515063, PR China
| | - Tao Peng
- Department of Biology, Shantou University, Shantou, Guangdong 515063, PR China.
| | - Zhong Hu
- Department of Biology, Shantou University, Shantou, Guangdong 515063, PR China; Guangdong Research Center of Offshore Environmental Pollution Control Engineering, Shantou University, Shantou 515063, Guangdong, PR China.
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Obayori OS, Adesina OD, Salam LB, Ashade AO, Nwaokorie FO. Depletion of hydrocarbons and concomitant shift in bacterial community structure of a diesel-spiked tropical agricultural soil. Environ Technol 2023:1-16. [PMID: 38118139 DOI: 10.1080/09593330.2023.2291421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 11/26/2023] [Indexed: 12/22/2023]
Abstract
Bacterial community of a diesel-spiked agricultural soil was monitored over a 42-day period using the metagenomic approach in order to gain insight into key phylotypes impacted by diesel contamination and be able to predict end point of bioattenuation. Soil physico-chemical parameters showed significant differences (P < 0.05) between the Polluted Soil (PS) and the Unpolluted control (US)across time points. After 21 days, the diesel content decreased by 27.39%, and at the end of 42 days, by 57.11%. Aromatics such as benzene, anthanthrene, propylbenzene, phenanthrenequinone, anthraquinone, and phenanthridine were degraded to non-detected levels within 42 days, while some medium range alkanes and polyaromatics such as acenaphthylene, naphthalene, and anthracene showed significant levels of degradation. After 21 days (LASTD21), there was a massive enrichment of the phylum Proteobacteria (72.94%), a slight decrease in the abundance of phylum Actinobacteriota (12.74%), and > 500% decrease in the abundance of the phylum Acidobacteriodota (5.26%). Day 42 (LASTD42) saw establishment of the dominance of the Proteobacteria (34.95%), Actinobacteriota, (21.71%), and Firmicutes (32.14%), and decimation of phyla such as Gemmatimonadota, Planctomycetota, and Verrucromicrobiota which play important roles in the cycling of elements and soil health. Principal component analysis showed that in PS moisture contents, phosphorus, nitrogen, organic carbon, had greater impacts on the community structure in LASTD21, while acidity, potassium, sodium, calcium and magnesium impacted the control sample. Recovery time of the soil based on the residual hydrocarbons at Day 42 was estimated to be 229.112 d. Thus, additional biostimulation may be required to achieve cleanup within one growing season.
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Affiliation(s)
| | | | - Lateef Babatunde Salam
- Microbiology Unit, Department of Biological Sciences, Elizade University, Ilara-Mokin, Nigeria
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Ramdass AC, Rampersad SN. Genome features of a novel hydrocarbonoclastic Chryseobacterium oranimense strain and its comparison to bacterial oil-degraders and to other C. oranimense strains. DNA Res 2023; 30:dsad025. [PMID: 37952165 PMCID: PMC10710014 DOI: 10.1093/dnares/dsad025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 10/29/2023] [Accepted: 11/09/2023] [Indexed: 11/14/2023] Open
Abstract
For the first time, we report the whole genome sequence of a hydrocarbonoclastic Chryseobacterium oranimense strain isolated from Trinidad and Tobago (COTT) and its genes involved in the biotransformation of hydrocarbons and xenobiotics through functional annotation. The assembly consisted of 11 contigs with 2,794 predicted protein-coding genes which included a diverse group of gene families involved in aliphatic and polycyclic hydrocarbon degradation. Comparative genomic analyses with 18 crude-oil degrading bacteria in addition to two C. oranimense strains not associated with oil were carried out. The data revealed important differences in terms of annotated genes involved in the hydrocarbon degradation process that may explain the molecular mechanisms of hydrocarbon and xenobiotic biotransformation. Notably, many gene families were expanded to explain COTT's competitive ability to manage habitat-specific stressors. Gene-based evidence of the metabolic potential of COTT supports the application of indigenous microbes for the remediation of polluted terrestrial environments and provides a genomic resource for improving our understanding of how to optimize these characteristics for more effective bioremediation.
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Affiliation(s)
- Amanda Christine Ramdass
- Biochemistry Research Lab (Rm216), Department of Life Sciences, Faculty of Science and Technology, The University of the West Indies, St. Augustine, Trinidad and Tobago, West Indies
| | - Sephra Nalini Rampersad
- Biochemistry Research Lab (Rm216), Department of Life Sciences, Faculty of Science and Technology, The University of the West Indies, St. Augustine, Trinidad and Tobago, West Indies
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Giovanella P, Taketani RG, Gil-Solsona R, Saldanha LL, Naranjo SBE, Sancho JV, Portolés T, Andreote FD, Rodríguez-Mozaz S, Barceló D, Sette LD. A comprehensive study on diesel oil bioremediation under microcosm conditions using a combined microbiological, enzymatic, mass spectrometry, and metabarcoding approach. Environ Sci Pollut Res Int 2023; 30:101250-101266. [PMID: 37648922 DOI: 10.1007/s11356-023-29474-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 08/20/2023] [Indexed: 09/01/2023]
Abstract
This study aims at the application of a marine fungal consortium (Aspergillus sclerotiorum CRM 348 and Cryptococcus laurentii CRM 707) for the bioremediation of diesel oil-contaminated soil under microcosm conditions. The impact of biostimulation (BS) and/or bioaugmentation (BA) treatments on diesel-oil biodegradation, soil quality, and the structure of the microbial community were studied. The use of the fungal consortium together with nutrients (BA/BS) resulted in a TPH (Total Petroleum Hydrocarbon) degradation 42% higher than that obtained by natural attenuation (NA) within 120 days. For the same period, a 72 to 92% removal of short-chain alkanes (C12 to C19) was obtained by BA/BS, while only 3 to 65% removal was achieved by NA. BA/BS also showed high degradation efficiency of long-chain alkanes (C20 to C24) at 120 days, reaching 90 and 92% of degradation of icosane and heneicosane, respectively. In contrast, an increase in the levels of cyclosiloxanes (characterized as bacterial bioemulsifiers and biosurfactants) was observed in the soil treated by the consortium. Conversely, the NA presented a maximum of 37% of degradation of these alkane fractions. The 5-ringed PAH benzo(a)pyrene, was removed significantly better with the BA/BS treatment than with the NA (48 vs. 38 % of biodegradation, respectively). Metabarcoding analysis revealed that BA/BS caused a decrease in the soil microbial diversity with a concomitant increase in the abundance of specific microbial groups, including hydrocarbon-degrading (bacteria and fungi) and also an enhancement in soil microbial activity. Our results highlight the great potential of this consortium for soil treatment after diesel spills, as well as the relevance of the massive sequencing, enzymatic, microbiological and GC-HRMS analyses for a better understanding of diesel bioremediation.
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Affiliation(s)
- Patricia Giovanella
- Departamento de Biologia Geral e Aplicada, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil
- Centro de Estudos Ambientais (CEA), Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil
| | - Rodrigo Gouvêa Taketani
- Escola Superior de Agricultura Luiz de Queiroz (ESALQ), Universidade de São Paulo (USP), Piracicaba, SP, Brazil
- Sustainable Soils and Crops, Rothamsted Research, Harpenden, United Kingdom
| | - Ruben Gil-Solsona
- Catalan Institute for Water Research (ICRA-CERCA), Parc Científic i Tecnològic de la Universitat de Girona, Girona, Spain
- University of Girona, Girona, Spain
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research - Severo Ochoa Excellence Center (IDAEA), Spanish Council of Scientific Research (CSIC), Barcelona, Spain
| | - Luiz Leonardo Saldanha
- Departamento de Biologia Geral e Aplicada, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil
| | - Samantha Beatríz Esparza Naranjo
- Departamento de Biologia Geral e Aplicada, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil
- Instituto Latino-Americano de Ciências da Vida e da Natureza, Universidade Federal da Integração Latino Americana, Parque tecnológico Itaipu, Foz do Iguaçu, PR, Brazil
| | - Juan V Sancho
- Environmental and Public Health Analytical Chemistry, Research Institute for Pesticides and Water (IUPA), University Jaume I, Castellón de la Plana, Spain
| | - Tania Portolés
- Environmental and Public Health Analytical Chemistry, Research Institute for Pesticides and Water (IUPA), University Jaume I, Castellón de la Plana, Spain
| | - Fernando Dini Andreote
- Escola Superior de Agricultura Luiz de Queiroz (ESALQ), Universidade de São Paulo (USP), Piracicaba, SP, Brazil
| | - Sara Rodríguez-Mozaz
- Catalan Institute for Water Research (ICRA-CERCA), Parc Científic i Tecnològic de la Universitat de Girona, Girona, Spain
- University of Girona, Girona, Spain
| | - Damià Barceló
- Catalan Institute for Water Research (ICRA-CERCA), Parc Científic i Tecnològic de la Universitat de Girona, Girona, Spain
- University of Girona, Girona, Spain
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research - Severo Ochoa Excellence Center (IDAEA), Spanish Council of Scientific Research (CSIC), Barcelona, Spain
| | - Lara Durães Sette
- Departamento de Biologia Geral e Aplicada, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil.
- Centro de Estudos Ambientais (CEA), Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil.
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Dai X, Lv J, Fu P, Guo S. Microbial remediation of oil-contaminated shorelines: a review. Environ Sci Pollut Res Int 2023; 30:93491-93518. [PMID: 37572250 DOI: 10.1007/s11356-023-29151-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 07/31/2023] [Indexed: 08/14/2023]
Abstract
Frequent marine oil spills have led to increasingly serious oil pollution along shorelines. Microbial remediation has become a research hotspot of intertidal oil pollution remediation because of its high efficiency, low cost, environmental friendliness, and simple operation. Many microorganisms are able to convert oil pollutants into non-toxic substances through their growth and metabolism. Microorganisms use enzymes' catalytic activities to degrade oil pollutants. However, microbial remediation efficiency is affected by the properties of the oil pollutants, microbial community, and environmental conditions. Feasible field microbial remediation technologies for oil spill pollution in the shorelines mainly include the addition of high-efficiency oil degrading bacteria (immobilized bacteria), nutrients, biosurfactants, and enzymes. Limitations to the field application of microbial remediation technology mainly include slow start-up, rapid failure, long remediation time, and uncontrolled environmental impact. Improving the environmental adaptability of microbial remediation technology and developing sustainable microbial remediation technology will be the focus of future research. The feasibility of microbial remediation techniques should also be evaluated comprehensively.
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Affiliation(s)
- Xiaoli Dai
- Beijing Key Laboratory of Remediation of Industrial Pollution Sites, Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 10089, China.
| | - Jing Lv
- China University of Petroleum-Beijing, Beijing, 102249, China
| | - Pengcheng Fu
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Hainan, 570228, China
| | - Shaohui Guo
- China University of Petroleum-Beijing, Beijing, 102249, China
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Liu Y, Chen S, Wang J, Shao B, Fang J, Cao J. The Phylogeny, Metabolic Potentials, and Environmental Adaptation of an Anaerobe, Abyssisolibacter sp. M8S5, Isolated from Cold Seep Sediments of the South China Sea. Microorganisms 2023; 11:2156. [PMID: 37764000 PMCID: PMC10536192 DOI: 10.3390/microorganisms11092156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 08/17/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023] Open
Abstract
Bacillota are widely distributed in various environments, owing to their versatile metabolic capabilities and remarkable adaptation strategies. Recent studies reported that Bacillota species were highly enriched in cold seep sediments, but their metabolic capabilities, ecological functions, and adaption mechanisms in the cold seep habitats remained obscure. In this study, we conducted a systematic analysis of the complete genome of a novel Bacillota bacterium strain M8S5, which we isolated from cold seep sediments of the South China Sea at a depth of 1151 m. Phylogenetically, strain M8S5 was affiliated with the genus Abyssisolibacter within the phylum Bacillota. Metabolically, M8S5 is predicted to utilize various carbon and nitrogen sources, including chitin, cellulose, peptide/oligopeptide, amino acids, ethanolamine, and spermidine/putrescine. The pathways of histidine and proline biosynthesis were largely incomplete in strain M8S5, implying that its survival strictly depends on histidine- and proline-related organic matter enriched in the cold seep ecosystems. On the other hand, strain M8S5 contained the genes encoding a variety of extracellular peptidases, e.g., the S8, S11, and C25 families, suggesting its capabilities for extracellular protein degradation. Moreover, we identified a series of anaerobic respiratory genes, such as glycine reductase genes, in strain M8S5, which may allow it to survive in the anaerobic sediments of cold seep environments. Many genes associated with osmoprotectants (e.g., glycine betaine, proline, and trehalose), transporters, molecular chaperones, and reactive oxygen species-scavenging proteins as well as spore formation may contribute to its high-pressure and low-temperature adaptations. These findings regarding the versatile metabolic potentials and multiple adaptation strategies of strain M8S5 will expand our understanding of the Bacillota species in cold seep sediments and their potential roles in the biogeochemical cycling of deep marine ecosystems.
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Affiliation(s)
- Ying Liu
- Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (Y.L.); (J.W.); (B.S.)
- The Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation, College of Marine Sciences, Beibu Gulf University, Qinzhou 535000, China
| | - Songze Chen
- Shenzhen Ecological and Environmental Monitoring Center of Guangdong Province, Shenzhen 518049, China;
| | - Jiahua Wang
- Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (Y.L.); (J.W.); (B.S.)
| | - Baoying Shao
- Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (Y.L.); (J.W.); (B.S.)
| | - Jiasong Fang
- Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (Y.L.); (J.W.); (B.S.)
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266000, China
| | - Junwei Cao
- Shanghai Engineering Research Center of Hadal Science and Technology, College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; (Y.L.); (J.W.); (B.S.)
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11
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Nnadi MO, Bingle L, Thomas K. Bacterial community dynamics and associated genes in hydrocarbon contaminated soil during bioremediation using brewery spent grain. Access Microbiol 2023; 5:acmi000519.v3. [PMID: 37424545 PMCID: PMC10323799 DOI: 10.1099/acmi.0.000519.v3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 04/05/2023] [Indexed: 07/11/2023] Open
Abstract
Brewery spent grain (BSG) has previously been exploited in bioremediation. However, detailed knowledge of the associated bacterial community dynamics and changes in relevant metabolites and genes over time is limited. This study investigated the bioremediation of diesel contaminated soil amended with BSG. We observed complete degradation of three total petroleum hydrocarbon (TPH C10-C28) fractions in amended treatments as compared to one fraction in the unamended, natural attenuation treatments. The biodegradation rate constant (k) was higher in amended treatments (0.1021k) than in unamended (0.059k), and bacterial colony forming units increased significantly in amended treatments. The degradation compounds observed fitted into the elucidated diesel degradation pathways and quantitative PCR results showed that the gene copy numbers of all three associated degradation genes, alkB, catA and xylE, were significantly higher in amended treatments. High-throughput sequencing of 16S rRNA gene amplicons showed that amendment with BSG enriched autochthonous hydrocarbon degraders. Also, community shifts of the genera Acinetobacter and Pseudomonas correlated with the abundance of catabolic genes and degradation compounds observed. This study showed that these two genera are present in BSG and thus may be associated with the enhanced biodegradation observed in amended treatments. The results suggest that the combined evaluation of TPH, microbiological, metabolite and genetic analysis provides a useful holistic approach to assessing bioremediation.
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Affiliation(s)
- Mabel Owupele Nnadi
- Faculty of Health Sciences & Wellbeing, University of Sunderland, Chester Road, Sunderland SR1 3SD, UK
| | - Lewis Bingle
- Faculty of Health Sciences & Wellbeing, University of Sunderland, Chester Road, Sunderland SR1 3SD, UK
| | - Keith Thomas
- Brewlab, Unit One, West Quay Court, Sunderland SR5 2TE, UK
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12
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Narayanan M, Ali SS, El-Sheekh M. A comprehensive review on the potential of microbial enzymes in multipollutant bioremediation: Mechanisms, challenges, and future prospects. J Environ Manage 2023; 334:117532. [PMID: 36801803 DOI: 10.1016/j.jenvman.2023.117532] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/07/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
Industrialization and other human activity represent significant environmental hazards. Toxic contaminants can harm a comprehensive platform of living organisms in their particular environments. Bioremediation is an effective remediation process in which harmful pollutants are eliminated from the environment using microorganisms or their enzymes. Microorganisms in the environment often create a variety of enzymes that can eliminate hazardous contaminants by using them as a substrate for development and growth. Through their catalytic reaction mechanism, microbial enzymes may degrade and eliminate harmful environmental pollutants and transform them into non-toxic forms. The principal types of microbial enzymes which can degrade most hazardous environmental contaminants include hydrolases, lipases, oxidoreductases, oxygenases, and laccases. Several immobilizations, genetic engineering strategies, and nanotechnology applications have been developed to improve enzyme performance and reduce pollution removal process costs. Until now, the practically applicable microbial enzymes from various microbial sources and their ability to degrade multipollutant effectively or transformation potential and mechanisms are unknown. Hence, more research and further studies are required. Additionally, there is a gap in the suitable approaches considering toxic multipollutants bioremediation using enzymatic applications. This review focused on the enzymatic elimination of harmful contaminants in the environment, such as dyes, polyaromatic hydrocarbons, plastics, heavy metals, and pesticides. Recent trends and future growth for effectively removing harmful contaminants by enzymatic degradation are also thoroughly discussed.
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Affiliation(s)
- Mathiyazhagan Narayanan
- Division of Research and Innovations, Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Science, Chennai, 602 105, Tamil Nadu, India
| | - Sameh Samir Ali
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt; Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Mostafa El-Sheekh
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.
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13
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Kundu A, Harrisson O, Ghoshal S. Impacts of Arctic diesel contamination on microbial community composition and degradative gene abundance during hydrocarbon biodegradation with and without nutrients: A case study of seven sub-Arctic soils. Sci Total Environ 2023; 871:161777. [PMID: 36709895 DOI: 10.1016/j.scitotenv.2023.161777] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
Although a number of studies have assessed hydrocarbon degradation or microbial responses in petroleum contaminated soils, few have examined both and/or assessed impacts in multiple soils simultaneously. In this study petroleum hydrocarbon biodegradation and microbial activity was monitored in seven sub-Arctic soils at similar levels (∼3500-4000 mg/kg) of Arctic diesel (DSL), amended with moisture and nutrients (70 mg-N/kg, 78 mg-P/kg), and incubated at site-representative summer temperatures (∼7 °C) under water unsaturated conditions. Total petroleum hydrocarbon (TPH) biodegradation extents (42.7-85.4 %) at 50 days were slightly higher in nutrient amended (DSL + N,P) than unamended (DSL) systems in all but one soil. Semi-volatile (C10-C16) hydrocarbons were degraded to a greater extent (40-80 %) than non-volatile (C16-C24) hydrocarbons (20-40 %). However, more significant shifts in microbial diversity and relative abundance of genera belonging to Actinobacteria and Proteobacteria phyla were observed in DSL + N,P than in DSL systems in all soils. Moreover, higher abundance of the alkane degrading gene alkB were observed in DSL + N,P systems than in DSL systems for all soils. The more significant microbial community response in the DSL + N,P systems indicate that addition of nutrients may have influenced the microbial community involved in degradation of carbon sources other than the diesel compounds, such as the soil organic matter or degradation intermediates of diesel compounds. Nocardioides, Arthrobacter, Marmoricola, Pseudomonas, Polaromonas, and Massilia genera were present in high relative abundance in the DSL systems suggesting those genera contained hydrocarbon degraders. Overall, the results suggest that the extents of microbial community shifts or alkB copy number increases may not be closely correlated to the increase in hydrocarbon biodegradation and thus bioremediation performance between various treatments or across different soils.
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Affiliation(s)
- Anirban Kundu
- Department of Civil Engineering, McGill University, Montreal, QC H3A 0C3, Canada
| | - Orfeo Harrisson
- Department of Civil Engineering, McGill University, Montreal, QC H3A 0C3, Canada
| | - Subhasis Ghoshal
- Department of Civil Engineering, McGill University, Montreal, QC H3A 0C3, Canada.
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14
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Yesankar PJ, Patil A, Kapley A, Qureshi A. Catalytic resilience of multicomponent aromatic ring-hydroxylating dioxygenases in Pseudomonas for degradation of polycyclic aromatic hydrocarbons. World J Microbiol Biotechnol 2023; 39:166. [PMID: 37076735 DOI: 10.1007/s11274-023-03617-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Accepted: 04/11/2023] [Indexed: 04/21/2023]
Abstract
Hydrophobic organic compounds, either natural or introduced through anthropogenic activities, pose a serious threat to all spheres of life, including humankind. These hydrophobic compounds are recalcitrant and difficult to degrade by the microbial system; however, microbes have also evolved their metabolic and degradative potential. Pseudomonas species have been reported to have a multipotential role in the biodegradation of aromatic hydrocarbons through aromatic ring-hydroxylating dioxygenases (ARHDs). The structural complexity of different hydrophobic substrates and their chemically inert nature demands the explicit role of evolutionary conserved multicomponent enzyme ARHDs. These enzymes catalyze ring activation and subsequent oxidation by adding two molecular oxygen atoms onto the vicinal carbon of the aromatic nucleus. This critical metabolic step in the aerobic mode of degradation of polycyclic aromatic hydrocarbons (PAHs) catalyzed by ARHDs can also be explored through protein molecular docking studies. Protein data analysis enables an understanding of molecular processes and monitoring complex biodegradation reactions. This review summarizes the molecular characterization of five ARHDs from Pseudomonas species already reported for PAH degradation. Homology modeling for the amino acid sequences encoding the catalytic α-subunit of ARHDs and their docking analyses with PAHs suggested that the enzyme active sites show flexibility around the catalytic pocket for binding of low molecular weight (LMW) and high molecular weight (HMW) PAH substrates (naphthalene, phenanthrene, pyrene, benzo[α]pyrene). The alpha subunit harbours variable catalytic pockets and broader channels, allowing relaxed enzyme specificity toward PAHs. ARHD's ability to accommodate different LMW and HMW PAHs demonstrates its 'plasticity', meeting the catabolic demand of the PAH degraders.
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Affiliation(s)
- Prerna J Yesankar
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nehru Marg, Nagpur, 440 020, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India
| | - Ayurshi Patil
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nehru Marg, Nagpur, 440 020, India
| | - Atya Kapley
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nehru Marg, Nagpur, 440 020, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India
| | - Asifa Qureshi
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nehru Marg, Nagpur, 440 020, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India.
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Das N, Das A, Das S, Bhatawadekar V, Pandey P, Choure K, Damare S, Pandey P. Petroleum Hydrocarbon Catabolic Pathways as Targets for Metabolic Engineering Strategies for Enhanced Bioremediation of Crude-Oil-Contaminated Environments. Fermentation 2023; 9:196. [DOI: 10.3390/fermentation9020196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
Anthropogenic activities and industrial effluents are the major sources of petroleum hydrocarbon contamination in different environments. Microbe-based remediation techniques are known to be effective, inexpensive, and environmentally safe. In this review, the metabolic-target-specific pathway engineering processes used for improving the bioremediation of hydrocarbon-contaminated environments have been described. The microbiomes are characterised using environmental genomics approaches that can provide a means to determine the unique structural, functional, and metabolic pathways used by the microbial community for the degradation of contaminants. The bacterial metabolism of aromatic hydrocarbons has been explained via peripheral pathways by the catabolic actions of enzymes, such as dehydrogenases, hydrolases, oxygenases, and isomerases. We proposed that by using microbiome engineering techniques, specific pathways in an environment can be detected and manipulated as targets. Using the combination of metabolic engineering with synthetic biology, systemic biology, and evolutionary engineering approaches, highly efficient microbial strains may be utilised to facilitate the target-dependent bioprocessing and degradation of petroleum hydrocarbons. Moreover, the use of CRISPR-cas and genetic engineering methods for editing metabolic genes and modifying degradation pathways leads to the selection of recombinants that have improved degradation abilities. The idea of growing metabolically engineered microbial communities, which play a crucial role in breaking down a range of pollutants, has also been explained. However, the limitations of the in-situ implementation of genetically modified organisms pose a challenge that needs to be addressed in future research.
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16
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Funtikova TV, Akhmetov LI, Puntus IF, Mikhailov PA, Appazov NO, Narmanova RA, Filonov AE, Solyanikova IP. Bioremediation of Oil-Contaminated Soil of the Republic of Kazakhstan Using a New Biopreparation. Microorganisms 2023; 11. [PMID: 36838488 DOI: 10.3390/microorganisms11020522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/14/2023] [Accepted: 02/15/2023] [Indexed: 02/22/2023] Open
Abstract
A new biopreparation is developed to clean soils from oil pollution in the arid climate of the Republic of Kazakhstan. The biopreparation includes bacterial strains R. qingshengii F2-1, R. qingshengii F2-2, and P. alloputida BS3701. When using the biopreparation in a liquid mineral medium with 15% crude oil, laboratory studies have revealed degradation of 48% n-alkanes and 39% of PAHs after 50 days. The effectiveness of the biopreparation has been demonstrated in field experiments in the soil contaminated with 10% crude oil at the K-Kurylys landfill, Republic of Kazakhstan. During the six-month field experiment, the number of oil degraders reached 107 CFU/g soil, which degraded 70% of crude oil by the end of the experiment.
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17
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Lara-Moreno A, Morillo E, Merchán F, Gonzalez-Pimentel JL, Villaverde J. Genome sequence of Stenotrophomonas indicatrix CPHE1, a powerful phenanthrene-degrading bacterium. 3 Biotech 2023; 13:53. [PMID: 36685321 PMCID: PMC9849604 DOI: 10.1007/s13205-023-03469-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 01/05/2023] [Indexed: 01/19/2023] Open
Abstract
Environmental pollution caused by polycyclic aromatic hydrocarbons (PAHs) involves a high-risk and have received considerable attention due to their carcinogenic, teratogenic, and mutagenic properties. Phenanthrene (PHE) is a low molecular weight PAH, which has three benzene rings. It is one of the most common PAH found in contaminated environments mainly due to its low volatilization ability and hydrophobic character. A PHE degrading bacterium was isolated from an industrial contaminated soil using enrichment culture techniques. Based on macroscopic, microscopic examination and phylogenetic analysis, this bacterium was classified as Stenotrophomonas indicatrix and named strain CPHE1. Several authors have reported about bacteria stains, which can degrade PHE, but this is the first time where the ability of S. indicatrix to biodegrade and mineralize PHE has been demonstrated.
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Affiliation(s)
- Alba Lara-Moreno
- Institute of Natural Resources and Agrobiology of Seville, Department of Agrochemistry, Environmental Microbiology and Soil Conservation, Spanish National Research Council (IRNAS-CSIC), Seville, Spain
- Department of Microbiology and Parasitology, Faculty of Pharmacy, University of Seville, Seville, Spain
| | - Esmeralda Morillo
- Institute of Natural Resources and Agrobiology of Seville, Department of Agrochemistry, Environmental Microbiology and Soil Conservation, Spanish National Research Council (IRNAS-CSIC), Seville, Spain
| | - Francisco Merchán
- Department of Microbiology and Parasitology, Faculty of Pharmacy, University of Seville, Seville, Spain
| | - Jose Luis Gonzalez-Pimentel
- Andalusian Centre for Developmental Biology (CABD, UPO-CSIC-JA), Faculty of Experimental Sciences (Genetics Department), University Pablo de Olavide, 41013 Seville, Spain
| | - Jaime Villaverde
- Institute of Natural Resources and Agrobiology of Seville, Department of Agrochemistry, Environmental Microbiology and Soil Conservation, Spanish National Research Council (IRNAS-CSIC), Seville, Spain
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Bekele GK, Gebrie SA, Abda EM, Sinshaw G, Haregu S, Negie ZW, Tafesse M, Assefa F. Kerosene Biodegradation by Highly Efficient Indigenous Bacteria Isolated From Hydrocarbon-Contaminated Sites. Microbiol Insights 2023; 16:11786361221150759. [PMID: 36895787 PMCID: PMC9989413 DOI: 10.1177/11786361221150759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 12/26/2022] [Indexed: 03/08/2023] Open
Abstract
Kerosene is widely used in Ethiopia as a household fuel (for lighting and heating), as a solvent in paint and grease, and as a lubricant in glass cutting. It causes environmental pollution and escorts to loss of ecological functioning and health problems. Therefore, this research was designed to isolate, identify, and characterize indigenous kerosene-degrading bacteria that are effective in cleaning ecological units that have been contaminated by kerosene. Soil samples were collected from hydrocarbon-contaminated sites (flower farms, garages, and old-aged asphalt roads) and spread-plated on mineral salt medium (Bushnell Hass Mineral Salts Agar Medium: BHMS), which consists of kerosene as the only carbon source. Seven kerosene-degrading bacterial species were isolated, 2 from flower farms, 3 from garage areas, and 2 from asphalt areas. Three genera from hydrocarbon-contaminated sites were identified, including Pseudomonas, Bacillus, and Acinetobacter using biochemical characterization and the Biolog database. Growth studies in the presence of various concentrations of kerosene (1% and 3% v/v) showed that the bacterial isolates could metabolize kerosene as energy and biomass. Thereby, a gravimetric study was performed on bacterial strains that proliferated well on a BHMS medium with kerosene. Remarkably, bacterial isolates were able to degrade 5% kerosene from 57.2% to 91% in 15 days. Moreover, 2 of the most potent isolates, AUG2 and AUG1, resulted in 85% and 91% kerosene degradation, respectively, when allowed to grow on a medium containing kerosene. In addition, 16S rRNA gene analysis indicated that strain AAUG1 belonged to Bacillus tequilensis, whereas isolate AAUG showed the highest similarity to Bacillus subtilis. Therefore, these indigenous bacterial isolates have the potential to be applied for kerosene removal from hydrocarbon-contaminated sites and the development of remediation approaches.
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Affiliation(s)
- Gessesse Kebede Bekele
- Department of Biotechnology, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia.,Biotechnology and Bioprocess Center of Excellence, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
| | - Solomon Abera Gebrie
- Department of Biotechnology, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia.,Biotechnology and Bioprocess Center of Excellence, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
| | - Ebrahim M Abda
- Department of Biotechnology, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia.,Biotechnology and Bioprocess Center of Excellence, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
| | - Gebiru Sinshaw
- Department of Biotechnology, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia.,Department of Biotechnology, Debre Berhan University, Addis Ababa, Ethiopia
| | - Simatsidk Haregu
- Department of Biotechnology, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia.,Biotechnology and Bioprocess Center of Excellence, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
| | - Zemene Worku Negie
- Department of Environmental Engineering, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
| | - Mesfin Tafesse
- Department of Biotechnology, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia.,Biotechnology and Bioprocess Center of Excellence, Addis Ababa Science and Technology University, Addis Ababa, Ethiopia
| | - Fasil Assefa
- Department of Microbial, Cellular and Molecular Biology, Addis Ababa University, Addis Ababa, Ethiopia
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Ferreira TF, Martins FF, Cayres CA, Amaral PFF, Azevedo DDA, Coelho MAZ. Biosurfactant Production from the Biodegradation of n-Paraffins, Isoprenoids and Aromatic Hydrocarbons from Crude Petroleum by Yarrowia lipolytica IMUFRJ 50682. Fermentation 2022; 9:21. [DOI: 10.3390/fermentation9010021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Yarrowia lipolytica is a unique, strictly aerobic yeast with the ability to degrade efficiently hydrophobic substrates. In the present work, we evaluated the degrading potential of Yarrowia lipolytica IMUFRJ 50682, isolated from tropical estuarine water in Rio de Janeiro (Brazil), and the possible biomolecules produced during this process. To investigate which crude oil compounds are degraded by Y. lipolytica IMUFRJ 50682, this microorganism was grown in a medium containing Marlim petroleum (19 °API, American Petroleum Institute gravity) at 28 °C and 160 rpm for 5 days. The residual petroleum was submitted to gas chromatograph-mass spectrometric analysis (GC-MS). The chromatographic fingerprints of the residual petroleum were compared with the abiotic control test incubated in the same conditions. Y. lipolytica assimilates high molecular weight hydrocarbons, such as n-alkanes (C11-C19), isoprenoids (pristane and phytane), aromatics with two or three aromatics rings (naphthalene, methylnaphthalenes, dimethylnaphthalenes, trimethylnaphthalenes, phenanthrene, methylphenanthrenes, dimethylphenanthrenes, anthracene). This strain was also capable of consuming more complex hydrocarbons, such as tricyclic terpanes. During this biodegradation, the emulsification index of the culture medium increased significantly, showing that biosurfactant molecules can be produced from this process. Therefore, Y. lipolytica IMUFRJ 50682 showed to be a potential crude oil degrading yeast, which can be used for bioremediation processes and simultaneously produce bioproducts of commercial interest.
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Eltoukhy A, Jia Y, Lamraoui I, Abo-Kadoum MA, Atta OM, Nahurira R, Wang J, Yan Y. Transcriptome analysis and cytochrome P450 monooxygenase reveal the molecular mechanism of Bisphenol A degradation by Pseudomonas putida strain YC-AE1. BMC Microbiol 2022; 22:294. [PMID: 36482332 PMCID: PMC9733184 DOI: 10.1186/s12866-022-02689-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 11/02/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Bisphenol A (BPA) is a rapid spreading organic pollutant that widely used in many industries especially as a plasticizer in polycarbonate plastic and epoxy resins. BPA reported as a prominent endocrine disruptor compound that possesses estrogenic activity and fulminant toxicity. Pseudomonas putida YC-AE1 was isolated in our previous study and exerted a strong degradation capacity toward BPA at high concentrations; however, the molecular degradation mechanism is still enigmatic. RESULTS We employed RNA sequencing to analyze the differentially expressed genes (DEGs) in the YC-AE1 strain upon BPA induction. Out of 1229 differentially expressed genes, 725 genes were positively regulated, and 504 genes were down-regulated. The pathways of microbial metabolism in diverse environments were significantly enriched among DEGs based on KEGG enrichment analysis. qRT-PCR confirm the involvement of BPA degradation relevant genes in accordance with RNA Seq data. The degradation pathway of BPA in YC-AE1 was proposed with specific enzymes and encoded genes. The role of cytochrome P450 (CYP450) in BPA degradation was further verified. Sever decrease in BPA degradation was recorded by YC-AE1 in the presence of CYP450 inhibitor. Subsequently, CYP450bisdB deficient YC-AE1 strain △ bisdB lost its ability toward BPA transformation comparing with the wild type. Furthermore, Transformation of E. coli with pET-32a-bisdAB empowers it to degrade 66 mg l-1 of BPA after 24 h. Altogether, the results showed the role of CYP450 in biodegradation of BPA by YC-AE1. CONCLUSION In this study we propose the molecular basis and the potential role of YC-AE1cytochrome P450 monooxygenase in BPA catabolism.
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Affiliation(s)
- Adel Eltoukhy
- grid.411303.40000 0001 2155 6022Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Assiut, 71524 Egypt ,grid.410727.70000 0001 0526 1937Graduate School of Chinese Academy of Agricultural Sciences, Beijing, 100081 China
| | - Yang Jia
- grid.412899.f0000 0000 9117 1462National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, and Zhejiang Provincial Key Lab for Subtropical Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou, 325035 China
| | - Imane Lamraoui
- Higher National School of Biotechnology “Toufik Khaznadar” (ENSB), 25000 Constantine, Algeria
| | - M. A. Abo-Kadoum
- grid.411303.40000 0001 2155 6022Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Assiut, 71524 Egypt
| | - Omar Mohammad Atta
- grid.411303.40000 0001 2155 6022Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Assiut, 71524 Egypt
| | - Ruth Nahurira
- grid.449527.90000 0004 0534 1218Faculty of Science, Kabale University, Kabale, Uganda
| | - Junhuan Wang
- grid.410727.70000 0001 0526 1937Graduate School of Chinese Academy of Agricultural Sciences, Beijing, 100081 China
| | - Yanchun Yan
- grid.410727.70000 0001 0526 1937Graduate School of Chinese Academy of Agricultural Sciences, Beijing, 100081 China
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Teng T, Liang J, Zhu J, Jin P, Zhang D. Altered active pyrene degraders in biosurfactant-assisted bioaugmentation as revealed by RNA stable isotope probing. Environ Pollut 2022; 313:120192. [PMID: 36126767 DOI: 10.1016/j.envpol.2022.120192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 09/01/2022] [Accepted: 09/12/2022] [Indexed: 06/15/2023]
Abstract
Bioaugmentation is an effective approach for removing pyrene from contaminated sites, and its performance is enhanced by a biosurfactant. To reveal the mechanisms of biosurfactant-assisted bioaugmentation, we introduced RNA stable isotope probing (RNA-SIP) in the pyrene-contaminated soils and explored the impacts of rhamnolipid on the pyrene degradation process. After 12-day degradation, residual pyrene was the lowest in the bioaugmentation treatment (7.76 ± 1.57%), followed by biosurfactant-assisted bioaugmentation (9.86 ± 2.58%) and enhanced natural attenuation (23.97 ± 1.05%). Thirteen well-known and two novel pyrene-degrading bacteria were confirmed to participate in the pyrene degradation. Pyrene degradation was accelerated in the biosurfactant-assisted bioaugmentation, manifested by the high diversity of active pyrene degraders. Our findings expand the knowledge on pyrene degrading bacteria and the mechanisms of pyrene degradation in a bioaugmentation process.
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Affiliation(s)
- Tingting Teng
- Technology Innovation Center for Land Engineering and Human Settlements, Shaanxi Land Engineering Construction Group Co.,Ltd and Xi'an Jiaotong University, Xi'an, 710049, PR China; College of New Energy and Environment, Jilin University, Changchun, 130021, PR China; Key Laboratory of Groundwater Resources and Environment Ministry of Education, Jilin University, Changchun, 130021, PR China
| | - Jidong Liang
- Technology Innovation Center for Land Engineering and Human Settlements, Shaanxi Land Engineering Construction Group Co.,Ltd and Xi'an Jiaotong University, Xi'an, 710049, PR China.
| | - Jinwei Zhu
- Technology Innovation Center for Land Engineering and Human Settlements, Shaanxi Land Engineering Construction Group Co.,Ltd and Xi'an Jiaotong University, Xi'an, 710049, PR China; Shaanxi Electrical Equipment Institute, Xi'an, 710025, PR China
| | - Pengkang Jin
- Technology Innovation Center for Land Engineering and Human Settlements, Shaanxi Land Engineering Construction Group Co.,Ltd and Xi'an Jiaotong University, Xi'an, 710049, PR China
| | - Dayi Zhang
- College of New Energy and Environment, Jilin University, Changchun, 130021, PR China; Key Laboratory of Groundwater Resources and Environment Ministry of Education, Jilin University, Changchun, 130021, PR China
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22
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Liu Y, Sun Y, Yu J, Xia X, Ding A, Zhang D. Impacts of groundwater level fluctuation on soil microbial community, alkane degradation efficiency and alkane-degrading gene diversity in the critical zone: Evidence from an accelerated water table fluctuation simulation. Environ Sci Pollut Res Int 2022; 29:83060-83070. [PMID: 35759097 DOI: 10.1007/s11356-022-21246-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
Petroleum hydrocarbons are hazardous to ecosystems and human health, commonly containing n-alkanes and polycyclic aromatic hydrocarbons. Previous researches have studied alkane degraders and degrading genes under aerobic or anaerobic conditions, but seldom discussed them in the intermittent saturation zone which is a connective area between the vadose zone and the groundwater aquifer with periodic alteration of oxygen and moisture. The present study investigated the difference in alkane degradation efficiency, bacterial community, and alkane degrading gene diversity in aerobic, anaerobic, and aerobic-anaerobic fluctuated treatments. All biotic treatments achieved over 90% of n-alkane removal after 120 days of incubation. The removal efficiencies of n-alkanes with a carbon chain length from 16 to 25 were much higher in anaerobic scenarios than those in aerobic scenarios, explained by different dominant microbes between aerobic and anaerobic conditions. The highest removal efficiency was found in fluctuation treatments, indicating an accelerated n-alkane biodegradation under aerobic-anaerobic alternation. In addition, the copy numbers of the 16S rRNA gene and two alkB genes (alkB-P and alkB-R) declined dramatically when switched from aerobic to anaerobic scenarios and oppositely from anaerobic to aerobic conditions. This suggested that water level fluctuation could notably change the presence of aerobic alkane degrading genes. Our results suggested that alkane degradation efficiency, soil microbial community, and alkane-degrading genes were all driven by water level fluctuation in the intermittent saturation zone, helping better understand the effects of seasonal water table fluctuation on the biodegradation of petroleum hydrocarbons in the subsurface environment.
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Affiliation(s)
- Yueqiao Liu
- Experiment and Practice Innovation Education Center, Beijing Normal University at Zhuhai, Zhuhai, 519087, China
| | - Yujiao Sun
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China
| | - Jingshan Yu
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China
| | - Xuefeng Xia
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China
| | - Aizhong Ding
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China
| | - Dayi Zhang
- College of New Energy and Environment, Jilin University, Changchun, 130021, China.
- Key Laboratory of Groundwater Resources and Environment Ministry of Education, Jilin University, Changchun, 130021, China.
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Sattar S, Hussain R, Shah SM, Bibi S, Ahmad SR, Shahzad A, Zamir A, Rauf Z, Noshad A, Ahmad L. Composition, impacts, and removal of liquid petroleum waste through bioremediation as an alternative clean-up technology: A review. Heliyon 2022; 8:e11101. [PMID: 36281410 PMCID: PMC9586903 DOI: 10.1016/j.heliyon.2022.e11101] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/12/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022] Open
Abstract
Exposure to hazardous wastes, especially petroleum wastes hydrocarbon (PWHCs), can damage human health and biological diversity. A huge amount of petroleum waste along with persistent organic pollutants is being generated during exploration and processing of crude oil. The dumping of petroleum waste hydrocarbons in an open pit contaminates the soil which can cause severe threats to human health and agro-geo-environmental ecosystem. The current study aimed to evaluate the mode of occurrence, composition, environmental, and health impacts of petroleum waste by using recent literature. The extracted results show that oil emulsion contains 48% oil, suspension 23%, settled emulsion 42%, and sludge emulsion 36%. The study discusses the possible biological techniques for rehabilitation of petroleum waste-contaminated areas. Several physical and chemical techniques are available for remediation of petroleum waste, but they are either costly or environmentally not feasible. Whereas, biological remediation namely, Bioremediation (Biostimulation and Bioaugmentation), Phytoremediation (Phytodegradation, Rhizoremediation, Phytovolatilization, and Rhizo-filtration) is a cheap and environmentally friendly way to remove petroleum waste hydrocarbons from contaminated soil and water. Some important enzymes (i.e., peroxidase, nitrilase, nitroreductase, phosphatase) and plant species i.e., Acacia and Chloris species are prominent methods to remediate the PWHCs. The knowledge assembled in this review is expected to create new doors for researchers to develop more efficient techniques to control the harmful impacts of PWHCs on the environment and health.
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Affiliation(s)
- Shehla Sattar
- Department of Environmental Sciences, University of Swabi, KP 23561, Pakistan,National Centre of Excellence in Geology, University of Peshawar, KP, Pakistan
| | - Rahib Hussain
- National Centre of Excellence in Geology, University of Peshawar, KP, Pakistan,College of Earth and Environmental Sciences, University of the Punjab, 54590, Pakistan,Corresponding author.
| | | | - Salma Bibi
- Department of Environmental Sciences, University of Swabi, KP 23561, Pakistan
| | - Sajid Rashid Ahmad
- College of Earth and Environmental Sciences, University of the Punjab, 54590, Pakistan
| | - Asim Shahzad
- Department of Botany, Mohi-Ud-Din Islamic University, AJ&K, Pakistan
| | - Ahmad Zamir
- Pakistan Forest Institute, Peshawar, KP, Pakistan
| | - Zahid Rauf
- Department of Geology, University of Swabi, KP 23561, Pakistan
| | - Asma Noshad
- Department of Agriculture, Bacha Khan University, KP, Pakistan
| | - Laeiq Ahmad
- Department of Geology, University of Swabi, KP 23561, Pakistan
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24
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Avona A, Capodici M, Di Trapani D, Giustra MG, Greco Lucchina P, Lumia L, Di Bella G, Rossetti S, Tonanzi B, Viviani G. Hydrocarbons removal from real marine sediments: Analysis of degradation pathways and microbial community development during bioslurry treatment. Sci Total Environ 2022; 838:156458. [PMID: 35660624 DOI: 10.1016/j.scitotenv.2022.156458] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/30/2022] [Accepted: 05/31/2022] [Indexed: 06/15/2023]
Abstract
In this study, real marine sediments polluted by petroleum compounds were treated by means of a bioslurry pilot scale reactor. The treatment performance was evaluated by measuring the removal of total petroleum hydrocarbon (TPH), coupled to further analyses required to understand the mechanisms involved in the biodegradation process. The maximum TPH-removal efficiency reached 86 % at the end of experiments. Moreover, high throughput 16S RNA gene sequencing was used to describe the microbiome composition in sediment prior to, and after, bioslurry treatment, in order to identify the taxa mostly entailed in the TPH removal process. The raw sediment was mostly colonized by members of Sulfurimonas genus; after bioslurry treatment, it was noticed a shift in the microbial community composition, with Proteobacteria phylum dominating the remediation environment (high increase in terms of growth for Hydrogenophaga and Sphingorhabdus genera) along with the Phaeodactylibacter genus (Bacteroidetes). Furthermore, the assessment of gaseous emissions from the system allowed to quantify the volatile hydrocarbon component and, consequently, to obtain a more accurate evaluation of TPH-removal pathway by the bioslurry system. Finally, phytotoxicity tests on sediment samples highlighted an increase of the treated sample quality status compared to the untreated one.
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Affiliation(s)
- A Avona
- Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze ed.8, 90128 Palermo, Italy
| | - M Capodici
- Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze ed.8, 90128 Palermo, Italy
| | - D Di Trapani
- Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze ed.8, 90128 Palermo, Italy.
| | - M G Giustra
- Facoltà di Ingegneria e Architettura, Università Kore di Enna, Cittadella Universitaria, 94100 Enna, Italy
| | - P Greco Lucchina
- Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze ed.8, 90128 Palermo, Italy
| | - L Lumia
- Facoltà di Ingegneria e Architettura, Università Kore di Enna, Cittadella Universitaria, 94100 Enna, Italy
| | - G Di Bella
- Facoltà di Ingegneria e Architettura, Università Kore di Enna, Cittadella Universitaria, 94100 Enna, Italy
| | - S Rossetti
- Istituto di Ricerca sulle Acque (IRSA), Consiglio Nazionale delle Ricerche (CNR), Via Salaria km 29.300, Monterotondo, 00015, Roma, Italy
| | - B Tonanzi
- Istituto di Ricerca sulle Acque (IRSA), Consiglio Nazionale delle Ricerche (CNR), Via Salaria km 29.300, Monterotondo, 00015, Roma, Italy
| | - G Viviani
- Dipartimento di Ingegneria, Università degli Studi di Palermo, Viale delle Scienze ed.8, 90128 Palermo, Italy
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25
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Sah D, Rai JPN, Ghosh A, Chakraborty M. A review on biosurfactant producing bacteria for remediation of petroleum contaminated soils. 3 Biotech 2022; 12:218. [PMID: 35965658 PMCID: PMC9365905 DOI: 10.1007/s13205-022-03277-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 07/21/2022] [Indexed: 11/01/2022] Open
Abstract
The discharge of potentially toxic petroleum hydrocarbons into the environment has been a matter of concern, as these organic pollutants accumulate in many ecosystems due to their hydrophobicity and low bioavailability. Petroleum hydrocarbons are neurotoxic and carcinogenic organic pollutants, extremely harmful to human and environmental health. Traditional treatment methods for removing hydrocarbons from polluted areas, including various mechanical and chemical strategies, are ineffective and costly. However, many indigenous microorganisms in soil and water can utilise hydrocarbon compounds as sources of carbon and energy and hence, can be employed to degrade hydrocarbon contaminants. Therefore, bioremediation using bacteria that degrade petroleum hydrocarbons is commonly viewed as an environmentally acceptable and effective method. The efficacy of bioremediation can be boosted further by using potential biosurfactant-producing microorganisms, as biosurfactants reduce surface tension, promote emulsification and micelle formation, making hydrocarbons bio-available for microbial breakdown. Further, introducing nanoparticles can improve the solubility of hydrophobic hydrocarbons as well as microbial synthesis of biosurfactants, hence establishing a favourable environment for microbial breakdown of these chemicals. The review provides insights into the role of microbes in the bioremediation of soils contaminated with petroleum hydrocarbons and emphasises the significance of biosurfactants and potential biosurfactant-producing bacteria. The review partly focusses on how nanotechnology is being employed in different critical bioremediation processes.
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Affiliation(s)
- Diksha Sah
- Department of Environmental Sciences, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Uttarakhand 263145 India
| | - J. P. N. Rai
- Department of Environmental Sciences, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Uttarakhand 263145 India
| | - Ankita Ghosh
- Department of Environmental Sciences, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Uttarakhand 263145 India
| | - Moumita Chakraborty
- Department of Environmental Sciences, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Uttarakhand 263145 India
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26
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He Y, Zhou Q, Mo F, Li T, Liu J. Bioelectrochemical degradation of petroleum hydrocarbons: A critical review and future perspectives. Environ Pollut 2022; 306:119344. [PMID: 35483484 DOI: 10.1016/j.envpol.2022.119344] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 04/11/2022] [Accepted: 04/20/2022] [Indexed: 06/14/2023]
Abstract
As typical pollutants, petroleum hydrocarbons that are widely present in various environmental media such as soil, water, sediments, and air, seriously endanger living organisms and human health. In the meantime, as a green environmental technology that integrates pollutant removal and resource recovery, bioelectrochemical systems (BESs) have been extensively applied to the removal of petroleum hydrocarbons from the environment. This review introduces working principles of BESs, following which it discusses the different reactor structures, application progresses, and key optimization factors when treating water, sewage sludges, sediments, and soil. Furthermore, bibliometrics was first used in this field to analyze the evolution of knowledge structure and forecast future hot topics. The research focus has shifted from the early generation of bioelectric energy to exploring mechanisms of soil remediation and microbial metabolisms, which will be closely integrated in the future. Finally, the future prospects of this field are proposed. This review focuses on the research status of bioelectrochemical degradation of petroleum hydrocarbons and provides a scientific reference for subsequent research.
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Affiliation(s)
- Yuqing He
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China
| | - Qixing Zhou
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China
| | - Fan Mo
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China
| | - Tian Li
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China
| | - Jianv Liu
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China.
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27
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Mohapatra B, Malhotra H, Phale PS. Life Within a Contaminated Niche: Comparative Genomic Analyses of an Integrative Conjugative Element ICE nahCSV86 and Two Genomic Islands From Pseudomonas bharatica CSV86 T Suggest Probable Role in Colonization and Adaptation. Front Microbiol 2022; 13:928848. [PMID: 35875527 PMCID: PMC9298801 DOI: 10.3389/fmicb.2022.928848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/08/2022] [Indexed: 11/26/2022] Open
Abstract
Comparative genomic and functional analyses revealed the presence of three genomic islands (GIs, >50 Kb size): ICEnahCSV86, Pseudomonas bharatica genomic island-1 (PBGI-1), and PBGI-2 in the preferentially aromatic-degrading soil bacterium, Pseudomonas bharatica CSV86T. Site-specific genomic integration at or near specific transfer RNAs (tRNAs), near-syntenic structural modules, and phylogenetic relatedness indicated their evolutionary lineage to the type-4 secretion system (T4SS) ICEclc family, thus predicting these elements to be integrative conjugative elements (ICEs). These GIs were found to be present as a single copy in the genome and the encoded phenotypic traits were found to be stable, even in the absence of selection pressure. ICEnahCSV86 harbors naphthalene catabolic (nah-sal) cluster, while PBGI-1 harbors Co-Zn-Cd (czc) efflux genes as cargo modules, whereas PBGI-2 was attributed to as a mixed-function element. The ICEnahCSV86 has been reported to be conjugatively transferred (frequency of 7 × 10–8/donor cell) to Stenotrophomonas maltophilia CSV89. Genome-wide comparative analyses of aromatic-degrading bacteria revealed nah-sal clusters from several Pseudomonas spp. as part of probable ICEs, syntenic to conjugatively transferable ICEnahCSV86 of strain CSV86T, suggesting it to be a prototypical element for naphthalene degradation. It was observed that the plasmids harboring nah-sal clusters were phylogenetically incongruent with predicted ICEs, suggesting genetic divergence of naphthalene metabolic clusters in the Pseudomonas population. Gene synteny, divergence estimates, and codon-based Z-test indicated that ICEnahCSV86 is probably derived from PBGI-2, while multiple recombination events masked the ancestral lineage of PBGI-1. Diversifying selection pressure (dN-dS = 2.27–4.31) imposed by aromatics and heavy metals implied the modular exchange-fusion of various cargo clusters through events like recombination, rearrangement, domain reshuffling, and active site optimization, thus allowing the strain to evolve, adapt, and maximize the metabolic efficiency in a contaminated niche. The promoters (Pnah and Psal) of naphthalene cargo modules (nah, sal) on ICEnahCSV86 were proved to be efficient for heterologous protein expression in Escherichia coli. GI-based genomic plasticity expands the metabolic spectrum and versatility of CSV86T, rendering efficient adaptation to the contaminated niche. Such isolate(s) are of utmost importance for their application in bioremediation and are the probable ideal host(s) for metabolic engineering.
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Affiliation(s)
- Balaram Mohapatra
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, India
| | - Harshit Malhotra
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, India
| | - Prashant S Phale
- Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, India
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28
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Apul OG, Arrowsmith S, Hall CA, Miranda EM, Alam F, Dahlen P, Sra K, Kamath R, McMillen SJ, Sihota N, Westerhoff P, Krajmalnik-Brown R, Delgado AG. Biodegradation of petroleum hydrocarbons in a weathered, unsaturated soil is inhibited by peroxide oxidants. J Hazard Mater 2022; 433:128770. [PMID: 35364529 DOI: 10.1016/j.jhazmat.2022.128770] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 03/07/2022] [Accepted: 03/21/2022] [Indexed: 06/14/2023]
Abstract
Field-weathered crude oil-containing soils have a residual concentration of hydrocarbons with complex chemical structure, low solubility, and high viscosity, often poorly amenable to microbial degradation. Hydrogen peroxide (H2O2)-based oxidation can generate oxygenated compounds that are smaller and/or more soluble and thus increase petroleum hydrocarbon biodegradability. In this study, we assessed the efficacy of H2O2-based oxidation under unsaturated soil conditions to promote biodegradation in a field-contaminated and weathered soil containing high concentrations of total petroleum hydrocarbons (25200 mg TPH kg-1) and total organic carbon (80900 mg TOC kg-1). Microcosms amended with three doses of 48 g H2O2 kg-1 soil (unactivated or Fe2+-activated) or 24 g sodium percarbonate kg-1 soil and nutrients did not show substantial TPH changes during the experiment. However, 7.6-41.8% of the TOC concentration was removed. Furthermore, production of DOC was enhanced and highest in the microcosms with oxidants, with approximately 20-40-fold DOC increase by the end of incubation. In the absence of oxidants, biostimulation led to > 50% TPH removal in 42 days. Oxidants limited TPH biodegradation by diminishing the viable concentration of microorganisms, altering the composition of the soil microbial communities, and/or creating inhibitory conditions in soil. Study's findings underscore the importance of soil characteristics and petroleum hydrocarbon properties and inform on potential limitations of combined H2O2 oxidation and biodegradation in weathered soils.
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Affiliation(s)
- Onur G Apul
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ, USA; School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ, USA
| | - Sarah Arrowsmith
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ, USA
| | - Caitlyn A Hall
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ, USA; School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ, USA; Engineering Research Center for Bio-mediated and Bio-inspired Geotechnics, Arizona State University, Tempe, AZ, USA
| | - Evelyn M Miranda
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ, USA
| | - Fabiha Alam
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ, USA
| | - Paul Dahlen
- School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ, USA
| | - Kanwartej Sra
- Chevron Technical Center (a Chevron USA Inc. division), Houston, TX, USA
| | - Roopa Kamath
- Chevron Technical Center (a Chevron USA Inc. division), Houston, TX, USA
| | - Sara J McMillen
- Chevron Technical Center (a Chevron USA Inc. division), San Ramon, CA, USA
| | - Natasha Sihota
- Chevron Technical Center (a Chevron USA Inc. division), San Ramon, CA, USA
| | - Paul Westerhoff
- School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ, USA
| | - Rosa Krajmalnik-Brown
- School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ, USA; Biodesign Center for Health Through Microbiomes, Arizona State University, Tempe, AZ, USA
| | - Anca G Delgado
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ, USA; School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ, USA; Engineering Research Center for Bio-mediated and Bio-inspired Geotechnics, Arizona State University, Tempe, AZ, USA.
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29
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Sushkova S, Minkina T, Dudnikova T, Barbashev A, Antonenko E, Chernikova N, Barakhov A, Shuvaev E, Bakoeva G, Nazarenko O, Mushtaq W. Biochar Effect on the Benzo[a]pyrene Degradation Rate in the Cu Co-Contaminated Haplic Chernozem under Model Vegetation Experiment Conditions. Processes (Basel) 2022; 10:1147. [DOI: 10.3390/pr10061147] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The research of the fundamentals of the behavior of behavior in the soil–plant system during their co-contamination is of high interest because of the absence of technologies for the creation of effective, environmentally friendly and cost-effective remediation methods, as well as integrated systems for predicting the quality of soils co-contaminated with HMs and PAHs. The unique model vegetation experiment was studied with Haplic Chernozem contaminated by one of the priority organic toxicants, benzo[a]pyrene (BaP), applied alone and co-contaminated with Cu with the subsequent vegetation of tomato (Solanum lycopersicum) and spring barley plants (Hordeum sativum Distichum). Biochar obtained from sunflower husks was used as a sorbent for the remediation of the contaminated soil. It was established that by increasing the BaP amount applied to the soil, the rate of BaP degradation improved. The effect was enhanced in the presence of biochar and decreased in the case of joint co-contamination with Cu, which is especially expressed for the soil of tomato plants. The half-degradation time of the BaP molecule varied from 8 up to 0.2 years for tomatoes and barley.
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30
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Wu Y, Liu X, Dong Q, Xiao M, Li B, Topalović O, Tao Q, Tang X, Huang R, Chen G, Li H, Chen Y, Feng Y, Wang C. Remediation of petroleum hydrocarbons-contaminated soil: Analysis based on Chinese patents. Chemosphere 2022; 297:134173. [PMID: 35276108 DOI: 10.1016/j.chemosphere.2022.134173] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 02/21/2022] [Accepted: 02/27/2022] [Indexed: 06/14/2023]
Abstract
Increasing soil petroleum hydrocarbons (PHs) pollution have caused world-wide concerns. The removal of PHs from soils mainly involves physical, chemical, biological processes and their combinations. To date, most reviews in this field based on research articles, but limited papers focused on the integration of remediation technologies from the perspective of patents. In this study, 20-years Chinese patents related to the remediation of soil PHs were comprehensively analyzed. It showed an increasing number of patent applications and the patents' quantity were positively correlated with Chinese GDP over the years, suggesting the more the economy developed the more environmental problems and corresponding solutions emerged. In addition, chemical technologies were mostly used in a combination to achieve faster and better effects, while the physical technologies were often used alone due to high costs. In all PHs remediation techniques, bacteria-based bioremediation was the most used from 2000 to 2019. Bacillus spp. and Pseudomonas spp. were the most used bacteria for PHs treatment because these taxa were widely harboring functions such as biosurfactant production and hydrocarbon degradation. The future research on joint technologies combining microbial and physicochemical ones for better remediation effect and application are highly encouraged.
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Affiliation(s)
- Yingjie Wu
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xipeng Liu
- Microbial Ecology Cluster, Genomics Research in Ecology and Evolution in Nature (GREEN), Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen, 9747, AG Groningen, the Netherlands
| | - Qin Dong
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, China
| | - Meijuan Xiao
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, China
| | - Bing Li
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, China
| | - Olivera Topalović
- Department of Agroecology, Aarhus University, Forsøgsvej 1, 4200, Slagelse, Denmark
| | - Qi Tao
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xiaoyan Tang
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, China
| | - Rong Huang
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, China
| | - Guangdeng Chen
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, China
| | - Huanxiu Li
- College of Horticulture, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yulan Chen
- Liangshan Branch of Sichuan Provincial Tobacco Company, Xichang, 615000, China
| | - Ying Feng
- Key Laboratory of Environment Remediation and Ecological Health of Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, China.
| | - Changquan Wang
- College of Resources, Sichuan Agricultural University, Chengdu, 611130, China.
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Zheng P, Wei Z, Zhou Y, Li Q, Qi Z, Diao X, Wang Y, Zhang X. Genomic Evidence for the Recycling of Complex Organic Carbon by Novel Thermoplasmatota Clades in Deep-Sea Sediments. mSystems. [PMID: 35430893 PMCID: PMC9239135 DOI: 10.1128/msystems.00077-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Thermoplasmatota have been widely reported in a variety of ecosystems, but their distribution and ecological role in marine sediments are still elusive. Here, we obtained four draft genomes affiliated with the former RBG-16-68-12 clade, which is now considered a new order, “Candidatus Yaplasmales,” of the Thermoplasmatota phylum in sediments from the South China Sea. The phylogenetic trees based on the 16S rRNA genes and draft genomes showed that “Ca. Yaplasmales” archaea are composed of three clades: A, B, and C. Among them, clades A and B are abundantly distributed (up to 10.86%) in the marine anoxic sediment layers (>10-cm depth) of six of eight cores from 1,200- to 3,400-m depths. Metabolic pathway reconstructions indicated that all clades of “Ca. Yaplasmales” have the capacity for alkane degradation by predicted alkyl-succinate synthase. Clade A of “Ca. Yaplasmales” might be mixotrophic microorganisms for the identification of the complete Wood-Ljungdahl pathway and putative genes involved in the degradation of aromatic and halogenated organic compounds. Clades B and C were likely heterotrophic, especially with the potential capacity of the spermidine/putrescine and aromatic compound degradation, as suggested by a significant negative correlation between the concentrations of aromatic compounds and the relative abundances of clade B. The sulfide-quinone oxidoreductase and pyrophosphate-energized membrane proton pump were encoded by all genomes of “Ca. Yaplasmales,” serving as adaptive strategies for energy production. These findings suggest that “Ca. Yaplasmales” might synergistically transform benthic pollutant and detrital organic matter, possibly playing a vital role in the marine and terrestrial sedimentary carbon cycle. IMPORTANCE Deep oceans receive large amounts of complex organic carbon and anthropogenic pollutants. The deep-sea sediments of the continental slopes serve as the biggest carbon sink on Earth. Particulate organic carbons and detrital proteins accumulate in the sediment. The microbially mediated recycling of complex organic carbon is still largely unknown, which is an important question for carbon budget in global oceans and maintenance of the deep-sea ecosystem. In this study, we report the prevalence (up to 10.86% of the microbial community) of archaea from a novel order of Thermoplasmatota, “Ca. Yaplasmales,” in six of eight cores from 1,200- to 3,400-m depths in the South China Sea. We provide genomic evidence of “Ca. Yaplasmales” in the anaerobic microbial degradation of alkanes, aliphatic and monoaromatic hydrocarbons, and halogenated organic compounds. Our study identifies the key archaeal players in anoxic marine sediments, which are probably critical in recycling the complex organic carbon in global oceans.
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Cui Z, Luan X, Li S, Li Y, Bian X, Li G, Wei Q, Ran X, Bao M, Valentine DL. Occurrence and distribution of cyclic-alkane-consuming psychrophilic bacteria in the Yellow Sea and East China Sea. J Hazard Mater 2022; 427:128129. [PMID: 34991007 DOI: 10.1016/j.jhazmat.2021.128129] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/09/2021] [Accepted: 12/19/2021] [Indexed: 06/14/2023]
Abstract
Cyclic alkanes (c-alkanes) are toxic compounds that are abundant in subsurface oil reservoirs and spilled condensate; hence, their environmental risk is significant. Although numerous studies have focused on the decomposition of other compound classes, e.g., acyclic alkanes and aromatic hydrocarbons, very little is known about the biodegradation of c-alkanes in the marine environment. Here, we enriched methylcyclohexane (MCH)-degrading bacteria derived from the cold bottom water (10-20 °C) of China's marginal seas in summer and characterized the changes to the bacterial community using high-throughput amplicon sequencing. MCH-consuming bacteria failed to grow from the warmer surface water (25-29 °C) in the same geographic sites and seasons. Notably, MCH-consuming communities derived from the cold bottom water in the Yellow Sea exhibit distinct structures compared to the other treatments. Furthermore, almost all dominant species in this setting appear to be specifically adapted to deeper cold water as indicated by significantly negative correlations to temperature (P < 0.01). From these results, we proposed that the biodegradation of MCH is effectively limited to the colder waters (10-20 °C) of China's marginal seas, with uncultured psychrophiles acting as the key taxa for MCH decomposition. Overall, this study indicates key functions for uncultivated microbes in the marine environment.
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Affiliation(s)
- Zhisong Cui
- Marine Bioresources and Environment Research Center, First Institute of Oceanography, Ministry of Natural Resources of China, Qingdao 266061, People's Republic of China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, People's Republic of China.
| | - Xiao Luan
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, People's Republic of China
| | - Shujun Li
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, and College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, People's Republic of China
| | - Yingchao Li
- Marine Bioresources and Environment Research Center, First Institute of Oceanography, Ministry of Natural Resources of China, Qingdao 266061, People's Republic of China
| | - Xinqi Bian
- Marine Bioresources and Environment Research Center, First Institute of Oceanography, Ministry of Natural Resources of China, Qingdao 266061, People's Republic of China
| | - Guoqing Li
- Marine Bioresources and Environment Research Center, First Institute of Oceanography, Ministry of Natural Resources of China, Qingdao 266061, People's Republic of China
| | - Qinsheng Wei
- Marine Bioresources and Environment Research Center, First Institute of Oceanography, Ministry of Natural Resources of China, Qingdao 266061, People's Republic of China
| | - Xiangbin Ran
- Marine Bioresources and Environment Research Center, First Institute of Oceanography, Ministry of Natural Resources of China, Qingdao 266061, People's Republic of China
| | - Mutai Bao
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, and College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, People's Republic of China
| | - David L Valentine
- Department of Earth Science and Marine Science Institute, University of California, Santa Barbara, CA 93106, USA.
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Aljandal S, Doyle SM, Bera G, Wade TL, Knap AH, Sylvan JB. Mesopelagic microbial community dynamics in response to increasing oil and Corexit 9500 concentrations. PLoS One 2022; 17:e0263420. [PMID: 35196352 PMCID: PMC8865645 DOI: 10.1371/journal.pone.0263420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 01/18/2022] [Indexed: 01/04/2023] Open
Abstract
Marine microbial communities play an important role in biodegradation of subsurface plumes of oil that form after oil is accidentally released from a seafloor wellhead. The response of these mesopelagic microbial communities to the application of chemical dispersants following oil spills remains a debated topic. While there is evidence that contrasting results in some previous work may be due to differences in dosage between studies, the impacts of these differences on mesopelagic microbial community composition remains unconstrained. To answer this open question, we exposed a mesopelagic microbial community from the Gulf of Mexico to oil alone, three concentrations of oil dispersed with Corexit 9500, and three concentrations of Corexit 9500 alone over long periods of time. We analyzed changes in hydrocarbon chemistry, cell abundance, and microbial community composition at zero, three and six weeks. The lowest concentration of dispersed oil yielded hydrocarbon concentrations lower than oil alone and microbial community composition more similar to control seawater than any other treatments with oil or dispersant. Higher concentrations of dispersed oil resulted in higher concentrations of microbe-oil microaggregates and similar microbial composition to the oil alone treatment. The genus Colwellia was more abundant when exposed to multiple concentrations of dispersed oil, but not when exposed to dispersant alone. Conversely, the most abundant Marinobacter amplicon sequence variant (ASV) was not influenced by dispersant when oil was present and showed an inverse relationship to the summed abundance of Alcanivorax ASVs. As a whole, the data presented here show that the concentration of oil strongly impacts microbial community response, more so than the presence of dispersant, confirming the importance of the concentrations of both oil and dispersant in considering the design and interpretation of results for oil spill simulation experiments.
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Affiliation(s)
- Shahd Aljandal
- Department of Oceanography, Texas A&M University, College Station, TX, United States of America
| | - Shawn M. Doyle
- Department of Oceanography, Texas A&M University, College Station, TX, United States of America
| | - Gopal Bera
- Geochemical and Environmental Research Group, Texas A&M University, College Station, TX, United States of America
| | - Terry L. Wade
- Department of Oceanography, Texas A&M University, College Station, TX, United States of America
- Geochemical and Environmental Research Group, Texas A&M University, College Station, TX, United States of America
| | - Anthony H. Knap
- Department of Oceanography, Texas A&M University, College Station, TX, United States of America
- Geochemical and Environmental Research Group, Texas A&M University, College Station, TX, United States of America
| | - Jason B. Sylvan
- Department of Oceanography, Texas A&M University, College Station, TX, United States of America
- * E-mail:
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Bagi A, Knapik K, Baussant T. Abundance and diversity of n-alkane and PAH-degrading bacteria and their functional genes - Potential for use in detection of marine oil pollution. Sci Total Environ 2022; 810:152238. [PMID: 34896501 DOI: 10.1016/j.scitotenv.2021.152238] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/26/2021] [Accepted: 12/03/2021] [Indexed: 06/14/2023]
Abstract
Monitoring environmental status through molecular investigation of microorganisms in the marine environment is suggested as a potentially very effective method for biomonitoring, with great potential for automation. There are several hurdles to that approach with regards to primer design, variability across geographical locations, seasons, and type of environmental pollution. Here, qPCR analysis of genes involved in the initial activation of aliphatic and aromatic hydrocarbons were used in a laboratory setup mimicking realistic oil leakage at sea. Seawater incubation experiments were carried out under two different seasons with two different oil types. Degenerate primers targeting initial oxygenases (alkane 1-monooxygenase; alkB and aromatic-ring hydroxylating dioxygenase; ARHD) were employed in qPCR assays to quantify the abundance of genes essential for oil degradation. Shotgun metagenomics was used to map the overall community dynamics and the diversity of alkB and ARHD genes represented in the microbial community. The amplicons generated through the qPCR assays were sequenced to reveal the diversity of oil-degradation related genes captured by the degenerate primers. We identified a major mismatch between the taxonomic diversity of alkB and ARHD genes amplified by the degenerate primers and those identified through shotgun metagenomics. More specifically, the designed primers did not amplify the alkB genes of the two most abundant alkane degraders that bloomed in the experiments, Oceanobacter and Oleispira. The relative abundance of alkB sequences from shotgun metagenomics and 16S rRNA-based Oleispira-specific qPCR assay were better signals for oil in water than the tested qPCR alkB assay. The ARHD assay showed a good agreement with PAHs degradation despite covering only 25% of the top 100 ARHD genes and missing several abundant Cycloclasticus sequences that were present in the metagenome. We conclude that further improvement of the degenerate primer approach is needed to rely on the use of oxygenase-related qPCR assays for oil leakage detection.
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Affiliation(s)
- Andrea Bagi
- NORCE Norwegian Research Centre, Bergen, Norway.
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Péquin B, Cai Q, Lee K, Greer CW. Natural attenuation of oil in marine environments: A review. Mar Pollut Bull 2022; 176:113464. [PMID: 35231783 DOI: 10.1016/j.marpolbul.2022.113464] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 01/31/2022] [Accepted: 02/11/2022] [Indexed: 06/14/2023]
Abstract
Natural attenuation is an important process for oil spill management in marine environments. Natural attenuation affects the fate of oil by physical, chemical, and biological processes, which include evaporation, dispersion, dissolution, photo-oxidation, emulsification, oil particle aggregation, and biodegradation. This review examines the cumulative knowledge regarding these natural attenuation processes as well as their simulation and prediction using modelling approaches. An in-depth discussion is provided on how oil type, microbial community and environmental factors contribute to the biodegradation process. It describes how our understanding of the structure and function of indigenous oil degrading microbial communities in the marine environment has been advanced by the application of next generation sequencing tools. The synergetic and/or antagonist effects of oil spill countermeasures such as the application of chemical dispersants, in-situ burning and nutrient enrichment on natural attenuation were explored. Several knowledge gaps were identified regarding the synergetic and/or antagonistic effects of active response countermeasures on the natural attenuation/biodegradation process. This review highlighted the need for field data on both the effectiveness and potential detrimental effects of oil spill response options to support modelling and decision-making on their selection and application.
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Affiliation(s)
- Bérangère Péquin
- McGill University, Department of Natural Resource Sciences, Ste-Anne-de-Bellevue, Quebec, Canada.
| | - Qinhong Cai
- McGill University, Department of Natural Resource Sciences, Ste-Anne-de-Bellevue, Quebec, Canada
| | - Kenneth Lee
- Ecosystem Science, Fisheries and Oceans Canada, Ottawa, Ontario, Canada
| | - Charles W Greer
- McGill University, Department of Natural Resource Sciences, Ste-Anne-de-Bellevue, Quebec, Canada; Energy, Mining and Environment Research Centre, National Research Council Canada, Montreal, Quebec, Canada
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Alviz-Gazitua P, Durán RE, Millacura FA, Cárdenas F, Rojas LA, Seeger M. Cupriavidus metallidurans CH34 Possesses Aromatic Catabolic Versatility and Degrades Benzene in the Presence of Mercury and Cadmium. Microorganisms 2022; 10:microorganisms10020484. [PMID: 35208938 PMCID: PMC8879955 DOI: 10.3390/microorganisms10020484] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 02/17/2022] [Accepted: 02/17/2022] [Indexed: 11/16/2022] Open
Abstract
Heavy metal co-contamination in crude oil-polluted environments may inhibit microbial bioremediation of hydrocarbons. The model heavy metal-resistant bacterium Cupriavidus metallidurans CH34 possesses cadmium and mercury resistance, as well as genes related to the catabolism of hazardous BTEX aromatic hydrocarbons. The aims of this study were to analyze the aromatic catabolic potential of C. metallidurans CH34 and to determine the functionality of the predicted benzene catabolic pathway and the influence of cadmium and mercury on benzene degradation. Three chromosome-encoded bacterial multicomponent monooxygenases (BMMs) are involved in benzene catabolic pathways. Growth assessment, intermediates identification, and gene expression analysis indicate the functionality of the benzene catabolic pathway. Strain CH34 degraded benzene via phenol and 2-hydroxymuconic semialdehyde. Transcriptional analyses revealed a transition from the expression of catechol 2,3-dioxygenase (tomB) in the early exponential phase to catechol 1,2-dioxygenase (catA1 and catA2) in the late exponential phase. The minimum inhibitory concentration to Hg (II) and Cd (II) was significantly lower in the presence of benzene, demonstrating the effect of co-contamination on bacterial growth. Notably, this study showed that C. metallidurans CH34 degraded benzene in the presence of Hg (II) or Cd (II).
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Affiliation(s)
- Pablo Alviz-Gazitua
- Laboratorio de Microbiología Molecular y Biotecnología Ambiental, Departamento de Química & Centro de Biotecnología, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile; (P.A.-G.); (R.E.D.); (F.A.M.); (F.C.)
- Departamento de Ciencias Biológicas y Biodiversidad, Universidad de los Lagos, Osorno 5311890, Chile
| | - Roberto E. Durán
- Laboratorio de Microbiología Molecular y Biotecnología Ambiental, Departamento de Química & Centro de Biotecnología, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile; (P.A.-G.); (R.E.D.); (F.A.M.); (F.C.)
| | - Felipe A. Millacura
- Laboratorio de Microbiología Molecular y Biotecnología Ambiental, Departamento de Química & Centro de Biotecnología, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile; (P.A.-G.); (R.E.D.); (F.A.M.); (F.C.)
- School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3JQ, UK
| | - Franco Cárdenas
- Laboratorio de Microbiología Molecular y Biotecnología Ambiental, Departamento de Química & Centro de Biotecnología, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile; (P.A.-G.); (R.E.D.); (F.A.M.); (F.C.)
- Centro Regional de Estudios en Alimentos Saludables (CREAS), Avenida Universidad 330, Curauma, Valparaíso 2373223, Chile
| | - Luis A. Rojas
- Departamento de Química, Facultad de Ciencias, Universidad Católica del Norte, Avenida Angamos 610, Antofagasta 1270709, Chile;
| | - Michael Seeger
- Laboratorio de Microbiología Molecular y Biotecnología Ambiental, Departamento de Química & Centro de Biotecnología, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile; (P.A.-G.); (R.E.D.); (F.A.M.); (F.C.)
- Correspondence: or
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Méndez V, Rodríguez-Castro L, Durán RE, Padrón G, Seeger M. The OxyR and SoxR transcriptional regulators are involved in a broad oxidative stress response in Paraburkholderia xenovorans LB400. Biol Res 2022; 55:7. [PMID: 35184754 PMCID: PMC8859910 DOI: 10.1186/s40659-022-00373-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 01/13/2022] [Indexed: 11/29/2022] Open
Abstract
Background Aerobic metabolism generates reactive oxygen species that may cause critical harm to the cell. The aim of this study is the characterization of the stress responses in the model aromatic-degrading bacterium Paraburkholderia xenovorans LB400 to the oxidizing agents paraquat and H2O2. Methods Antioxidant genes were identified by bioinformatic methods in the genome of P. xenovorans LB400, and the phylogeny of its OxyR and SoxR transcriptional regulators were studied. Functionality of the transcriptional regulators from strain LB400 was assessed by complementation with LB400 SoxR of null mutant P. aeruginosa ΔsoxR, and the construction of P. xenovorans pIZoxyR that overexpresses OxyR. The effects of oxidizing agents on P. xenovorans were studied measuring bacterial susceptibility, survival and ROS formation after exposure to paraquat and H2O2. The effects of these oxidants on gene expression (qRT-PCR) and the proteome (LC–MS/MS) were quantified. Results P. xenovorans LB400 possesses a wide repertoire of genes for the antioxidant defense including the oxyR, ahpC, ahpF, kat, trxB, dpsA and gorA genes, whose orthologous genes are regulated by the transcriptional regulator OxyR in E. coli. The LB400 genome also harbors the soxR, fumC, acnA, sodB, fpr and fldX genes, whose orthologous genes are regulated by the transcriptional regulator SoxR in E. coli. The functionality of the LB400 soxR gene was confirmed by complementation of null mutant P. aeruginosa ΔsoxR. Growth, susceptibility, and ROS formation assays revealed that LB400 cells were more susceptible to paraquat than H2O2. Transcriptional analyses indicated the upregulation of the oxyR, ahpC1, katE and ohrB genes in LB400 cells after exposure to H2O2, whereas the oxyR, fumC, ahpC1, sodB1 and ohrB genes were induced in presence of paraquat. Proteome analysis revealed that paraquat induced the oxidative stress response proteins AhpCF and DpsA, the universal stress protein UspA and the RNA chaperone CspA. Both oxidizing agents induced the Ohr protein, which is involved in organic peroxide resistance. Notably, the overexpression of the LB400 oxyR gene in P. xenovorans significantly decreased the ROS formation and the susceptibility to paraquat, suggesting a broad OxyR-regulated antioxidant response. Conclusions This study showed that P. xenovorans LB400 possess a broad range oxidative stress response, which explain the high resistance of this strain to the oxidizing compounds paraquat and H2O2. Supplementary Information The online version contains supplementary material available at 10.1186/s40659-022-00373-7.
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Avona A, Capodici M, Di Trapani D, Giustra MG, Greco Lucchina P, Lumia L, Di Bella G, Viviani G. Preliminary insights about the treatment of contaminated marine sediments by means of bioslurry reactor: Process evaluation and microbiological characterization. Sci Total Environ 2022; 806:150708. [PMID: 34600982 DOI: 10.1016/j.scitotenv.2021.150708] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/04/2021] [Accepted: 09/27/2021] [Indexed: 06/13/2023]
Abstract
Contaminated marine sediments represent a critical threat towards human health and ecosystems, since they constitute a potential reservoir of toxic compounds release. In the present study, a bioslurry reactor was studied for the treatment of real marine sediments contaminated by petroleum hydrocarbons. The experimental campaign was divided in two periods: in the first period, microcosm trials were carried out to achieve useful indicators for biological hydrocarbon removal from sediments. The microcosm trials highlighted that the inoculum of halotolerant allochthonous bacteria provided the highest performance followed by autochthonous biomass. Based on the achieved results, in the second experimental period a bioslurry reactor was started up, based on a semisolid stirred tank reactor (STR) operated in batch mode. The process performances have been evaluated in terms of total petroleum hydrocarbon (TPH) removal, coupled with the characterization of microbial community through a Next Generation Sequencing (NGS) and phytotoxicity tests through the Germination Index (GI) with Lepidium Sativum seeds. The achieved results showed good hydrocarbons removal, equal to 40%, with a maximum removal rate of 220 mgTPH kg-1 d-1, but highlighting that high contaminant concentrations might affect negatively the overall removal performance. In general, the observed results were encouraging towards the feasibility of biological treatment of marine sediments contaminated by hydrocarbons. The microbiological analysis allowed the identification of taxa most involved in the degradation of TPH, highlighting after the treatment a shift in the microbial community from that of the raw sediment.
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Affiliation(s)
- Alessia Avona
- Department of Engineering, University of Palermo, Viale delle Scienze Ed 8, 90128 Palermo, Italy
| | - Marco Capodici
- Department of Engineering, University of Palermo, Viale delle Scienze Ed 8, 90128 Palermo, Italy
| | - Daniele Di Trapani
- Department of Engineering, University of Palermo, Viale delle Scienze Ed 8, 90128 Palermo, Italy.
| | - Maria Gabriella Giustra
- University of Enna Kore, Faculty of Engineering and Architecture, Cittadella Universitaria, 94100 Enna, Italy
| | - Pietro Greco Lucchina
- Department of Engineering, University of Palermo, Viale delle Scienze Ed 8, 90128 Palermo, Italy
| | - Lucia Lumia
- University of Enna Kore, Faculty of Engineering and Architecture, Cittadella Universitaria, 94100 Enna, Italy
| | - Gaetano Di Bella
- University of Enna Kore, Faculty of Engineering and Architecture, Cittadella Universitaria, 94100 Enna, Italy
| | - Gaspare Viviani
- Department of Engineering, University of Palermo, Viale delle Scienze Ed 8, 90128 Palermo, Italy
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Cabral L, Giovanella P, Pellizzer EP, Teramoto EH, Kiang CH, Sette LD. Microbial communities in petroleum-contaminated sites: Structure and metabolisms. Chemosphere 2022; 286:131752. [PMID: 34426136 DOI: 10.1016/j.chemosphere.2021.131752] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 06/24/2021] [Accepted: 07/30/2021] [Indexed: 06/13/2023]
Abstract
Over recent decades, hydrocarbon concentrations have been augmented in soil and water, mainly derived from accidents or operations that input crude oil and petroleum into the environment. Different techniques for remediation have been proposed and used to mitigate oil contamination. Among the available environmental recovery approaches, bioremediation stands out since these hydrocarbon compounds can be used as growth substrates for microorganisms. In turn, microorganisms can play an important role with significant contributions to the stabilization of impacted areas. In this review, we present the current knowledge about responses from natural microbial communities (using DNA barcoding, multiomics, and functional gene markers) and bioremediation experiments (microcosm and mesocosm) conducted in the presence of petroleum and chemical dispersants in different samples, including soil, sediment, and water. Additionally, we present metabolic mechanisms for aerobic/anaerobic hydrocarbon degradation and alternative pathways, as well as a summary of studies showing functional genes and other mechanisms involved in petroleum biodegradation processes.
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Affiliation(s)
- Lucélia Cabral
- Laboratório de Micologia Ambiental e Industrial (LAMAI), Departamento de Biologia Geral e Aplicada, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil
| | - Patricia Giovanella
- Laboratório de Micologia Ambiental e Industrial (LAMAI), Departamento de Biologia Geral e Aplicada, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil; Centro de Estudos Ambientais (CEA), Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil
| | - Elisa Pais Pellizzer
- Laboratório de Micologia Ambiental e Industrial (LAMAI), Departamento de Biologia Geral e Aplicada, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil
| | - Elias Hideo Teramoto
- Centro de Estudos Ambientais (CEA), Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil; Laboratório de Estudos de Bacias (LEBAC), Departamento de Geologia Aplicada, Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil
| | - Chang Hung Kiang
- Centro de Estudos Ambientais (CEA), Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil; Laboratório de Estudos de Bacias (LEBAC), Departamento de Geologia Aplicada, Instituto de Geociências e Ciências Exatas, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil
| | - Lara Durães Sette
- Laboratório de Micologia Ambiental e Industrial (LAMAI), Departamento de Biologia Geral e Aplicada, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil; Centro de Estudos Ambientais (CEA), Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP), Rio Claro, SP, Brazil.
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Kim JW, Hong YK, Kim HS, Oh EJ, Park YH, Kim SC. Metagenomic Analysis for Evaluating Change in Bacterial Diversity in TPH-Contaminated Soil after Soil Remediation. Toxics 2021; 9:toxics9120319. [PMID: 34941754 PMCID: PMC8708857 DOI: 10.3390/toxics9120319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 11/16/2022]
Abstract
Soil washing and landfarming processes are widely used to remediate total petroleum hydrocarbon (TPH)-contaminated soil, but the impact of these processes on soil bacteria is not well understood. Four different states of soil (uncontaminated soil (control), TPH-contaminated soil (CS), after soil washing (SW), and landfarming (LF)) were collected from a soil remediation facility to investigate the impact of TPH and soil remediation processes on soil bacterial populations by metagenomic analysis. Results showed that TPH contamination reduced the operational taxonomic unit (OTU) number and alpha diversity of soil bacteria. Compared to SW and LF remediation techniques, LF increased more bacterial richness and diversity than SW, indicating that LF is a more effective technique for TPH remediation in terms of microbial recovery. Among different bacterial species, Proteobacteria were the most abundant in all soil groups followed by Actinobacteria, Acidobacteria, and Firmicutes. For each soil group, the distribution pattern of the Proteobacteria class was different. The most abundant classed were Alphaproteobacteria (16.56%) in uncontaminated soils, Deltaproteobacteria (34%) in TPH-contaminated soils, Betaproteobacteria (24%) in soil washing, and Gammaproteobacteria (24%) in landfarming, respectively. TPH-degrading bacteria were detected from soil washing (23%) and TPH-contaminated soils (21%) and decreased to 12% in landfarming soil. These results suggest that soil pollution can change the diversity of microbial groups and different remediation techniques have varied effective ranges for recovering bacterial communities and diversity. In conclusion, the landfarming process of TPH remediation is more advantageous than soil washing from the perspective of bacterial ecology.
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Affiliation(s)
- Jin-Wook Kim
- Department of Bio-Environmental Chemistry, Chungnam National University, Daejeon 34134, Korea; (J.-W.K.); (Y.-K.H.)
| | - Young-Kyu Hong
- Department of Bio-Environmental Chemistry, Chungnam National University, Daejeon 34134, Korea; (J.-W.K.); (Y.-K.H.)
| | - Hyuck-Soo Kim
- Department of Biological Environment, Kangwon National University, Chuncheon 24341, Korea;
| | - Eun-Ji Oh
- Korea Environment Institute, Sejong 30147, Korea;
| | - Yong-Ha Park
- Korea Environment Institute, Sejong 30147, Korea;
- Correspondence: (Y.-H.P.); (S.-C.K.)
| | - Sung-Chul Kim
- Department of Bio-Environmental Chemistry, Chungnam National University, Daejeon 34134, Korea; (J.-W.K.); (Y.-K.H.)
- Correspondence: (Y.-H.P.); (S.-C.K.)
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Dai X, Lv J, Wei W, Guo S. Effects of Adding Laccase to Bacterial Consortia Degrading Heavy Oil. Processes (Basel) 2021; 9:2025. [DOI: 10.3390/pr9112025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
High-efficiency bioremediation technology for heavy oil pollution has been a popular research topic in recent years. Laccase is very promising for the remediation of heavy oil pollution because it can not only convert bio-refractory hydrocarbons into less toxic or completely harmless compounds, but also accelerate the biodegradation efficiency of heavy oil. However, there are few reports on the use of laccase to enhance the biodegradation of heavy oil. In this study, we investigated the effect of laccase on the bacterial consortia degradation of heavy oil. The degradation efficiencies of bacterial consortia and the laccase-bacterial consortia were 60.6 ± 0.1% and 68.2 ± 0.6%, respectively, and the corresponding heavy oil degradation rate constants were 0.112 day−1 and 0.198 day−1, respectively. The addition of laccase increased the heavy oil biodegradation efficiency (p < 0.05) and biodegradation rate of the bacterial consortia. Moreover, gas chromatography–mass spectrometry analysis showed that the biodegradation efficiencies of the laccase-bacterial consortia for saturated hydrocarbons and aromatic hydrocarbons were 82.5 ± 0.7% and 76.2 ± 0.9%, respectively, which were 16.0 ± 0.3% and 13.0 ± 1.8% higher than those of the bacterial consortia, respectively. In addition, the degradation rate constants of the laccase-bacterial consortia for saturated hydrocarbons and aromatic hydrocarbons were 0.267 day−1 and 0.226 day−1, respectively, which were 1.07 and 1.15 times higher than those of the bacterial consortia, respectively. The degradation of C15 to C35 n-alkanes and 2 to 5-ring polycyclic aromatic hydrocarbons by laccase-bacterial consortia was higher than individual bacterial consortia. It is further seen that the addition of laccase significantly improved the biodegradation of long-chain n-alkanes of C22–C35 (p < 0.05). Overall, this study shows that the combination of laccase and bacterial consortia is an effective remediation technology for heavy oil pollution. Adding laccase can significantly improve the heavy oil biodegradation efficiency and biodegradation rate of the bacterial consortia.
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Perdigão R, Almeida CMR, Magalhães C, Ramos S, Carolas AL, Ferreira BS, Carvalho MF, Mucha AP. Bioremediation of Petroleum Hydrocarbons in Seawater: Prospects of Using Lyophilized Native Hydrocarbon-Degrading Bacteria. Microorganisms 2021; 9:2285. [PMID: 34835411 PMCID: PMC8617842 DOI: 10.3390/microorganisms9112285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/29/2021] [Accepted: 10/30/2021] [Indexed: 11/16/2022] Open
Abstract
This work aimed to develop a bioremediation product of lyophilized native bacteria to respond to marine oil spills. Three oil-degrading bacterial strains (two strains of Rhodococcus erythropolis and one Pseudomonas sp.), isolated from the NW Portuguese coast, were selected for lyophilization after biomass growth optimization (tested with alternative carbon sources). Results indicated that the bacterial strains remained viable after the lyophilization process, without losing their biodegradation potential. The biomass/petroleum ratio was optimized, and the bioremediation efficiency of the lyophilized bacterial consortium was tested in microcosms with natural seawater and petroleum. An acceleration of the natural oil degradation process was observed, with an increased abundance of oil-degraders after 24 h, an emulsion of the oil/water layer after 7 days, and an increased removal of total petroleum hydrocarbons (47%) after 15 days. This study provides an insight into the formulation and optimization of lyophilized bacterial agents for application in autochthonous oil bioremediation.
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Affiliation(s)
- Rafaela Perdigão
- CIIMAR-Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal; (C.M.R.A.); (C.M.); (S.R.); (M.F.C.); (A.P.M.)
- School of Medicine and Biomedical Sciences (ICBAS), University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - C. Marisa R. Almeida
- CIIMAR-Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal; (C.M.R.A.); (C.M.); (S.R.); (M.F.C.); (A.P.M.)
| | - Catarina Magalhães
- CIIMAR-Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal; (C.M.R.A.); (C.M.); (S.R.); (M.F.C.); (A.P.M.)
- Faculty of Sciences, University of Porto (FCUP), Rua do Campo Alegre 790, 4150-171 Porto, Portugal
| | - Sandra Ramos
- CIIMAR-Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal; (C.M.R.A.); (C.M.); (S.R.); (M.F.C.); (A.P.M.)
| | - Ana L. Carolas
- Biotrend S.A., Biocant Park, Núcleo 04 Lote 2, 3060-197 Cantanhede, Portugal; (A.L.C.); (B.S.F.)
| | - Bruno S. Ferreira
- Biotrend S.A., Biocant Park, Núcleo 04 Lote 2, 3060-197 Cantanhede, Portugal; (A.L.C.); (B.S.F.)
| | - Maria F. Carvalho
- CIIMAR-Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal; (C.M.R.A.); (C.M.); (S.R.); (M.F.C.); (A.P.M.)
- School of Medicine and Biomedical Sciences (ICBAS), University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Ana P. Mucha
- CIIMAR-Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal; (C.M.R.A.); (C.M.); (S.R.); (M.F.C.); (A.P.M.)
- Faculty of Sciences, University of Porto (FCUP), Rua do Campo Alegre 790, 4150-171 Porto, Portugal
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Melekhina EN, Belykh ES, Markarova MY, Taskaeva AA, Rasova EE, Baturina OA, Kabilov MR, Velegzhaninov IO. Soil microbiota and microarthropod communities in oil contaminated sites in the European Subarctic. Sci Rep 2021; 11:19620. [PMID: 34608182 DOI: 10.1038/s41598-021-98680-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 09/01/2021] [Indexed: 02/08/2023] Open
Abstract
The present comprehensive study aimed to estimate the aftermath of oil contamination and the efficacy of removing the upper level of polluted soil under the conditions of the extreme northern taiga of northeastern European Russia. Soil samples from three sites were studied. Two sites were contaminated with the contents of a nearby sludge collector five years prior to sampling. The highly contaminated upper soil level was removed from one of them. The other was left for self-restoration. A chemical analysis of the soils was conducted, and changes in the composition of the soil zoocoenosis and bacterial and fungal microbiota were investigated. At both contaminated sites, a decrease in the abundance and taxonomic diversity of indicator groups of soil fauna, oribatid mites and collembolans compared to the background site were found. The pioneer eurytopic species Oppiella nova, Proisotoma minima and Xenyllodes armatus formed the basis of the microarthropod populations in the contaminated soil. A complete change in the composition of dominant taxonomic units was observed in the microbiota, both the bacterial and fungal communities. There was an increase in the proportion of representatives of Proteobacteria and Actinobacteria in polluted soils compared to the background community. Hydrocarbon-degrading bacteria-Alcanivorax, Rhodanobacter ginsengisoli, Acidobacterium capsulatum, and Acidocella-and fungi-Amorphotheca resinae abundances greatly increased in oil-contaminated soil. Moreover, among both bacteria and fungi, a sharp increase in the abundance of uncultivated organisms that deserve additional attention as potential oil degraders or organisms with a high resistance to oil contamination were observed. The removal of the upper soil level was partly effective in terms of decreasing the oil product concentration (from approximately 21 to 2.6 g/kg of soil) and preventing a decrease in taxonomic richness but did not prevent alterations in the composition of the microbiota or zoocoenosis.
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Zhang H, Lu Y, Li Y, Wang L, Zhang W, Wang L, Niu L, Jia Z. Bacterial contribution to 17β-estradiol mineralization in lake sediment as revealed by 13C-DNA stable isotope probing. Environ Pollut 2021; 286:117505. [PMID: 34126514 DOI: 10.1016/j.envpol.2021.117505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 05/21/2021] [Accepted: 05/30/2021] [Indexed: 06/12/2023]
Abstract
The accumulation of estrogens in aquatic environments has drawn increasing public concern due to their adverse effects on aquatic ecosystems and human health. Bacteria play important roles in eliminating estrogens from the environment, but knowledge of the identity and functions of the microorganisms involved in metabolizing these steroid hormones in the natural microbial communities is lacking. Here, we added 13C-17β-estradiol (13C-E2) to sediments collected from Zhushan (ZS) Bay, Meiliang (ML) Bay, Gonghu (GH) Bay, and the central area (CA) of the Taihu Lake. The indigenous assimilators of E2 in the sediments were recognized using 13C-DNA stable isotope probing (DNA-SIP), and their effects on 13C-E2 mineralization were studied under aerobic condition. During the 30-day incubation period, ZS Bay had the highest cumulative percentage of 13C-E2 mineralization to 13CO2 (65.5%), while CA presented the lowest (51.4%). Based on DNA-SIP, we saw that Novosphingobium, Ralstonia, Pseudomonas, Sphingomonas, Nitrosomonas, and Alcaligenes were involved in E2-derived 13C assimilation for the entire incubation period. Acinetobacter, Flavobacterium, and Mycobacterium only assimilated 13C for the first half of the incubation. H16 was identified as an E2 assimilator for the first time in this study. In addition, the temporal changes in assimilator abundances during the incubation period indicated that these genera played dominant roles at different stages in the process of E2 biodegradation. The bacteria engaged in the assimilation of E2 in situ were identified, and the rate of increase in the relative abundance of assimilators was significantly (P < 0.05) and positively correlated with the E2 mineralization in sediments. This information enhances our knowledge of in situ E2 biodegradation and provides a potential resource that could be used to eliminate estrogens in sediments.
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Affiliation(s)
- Huanjun Zhang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, PR China
| | - Yin Lu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, PR China
| | - Yi Li
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, PR China.
| | - Lei Wang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, PR China
| | - Wenlong Zhang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, PR China
| | - Longfei Wang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, PR China
| | - Lihua Niu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, PR China
| | - Zhongjun Jia
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, PR China
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Liao J, Chen Q. Biodegradable plastics in the air and soil environment: Low degradation rate and high microplastics formation. J Hazard Mater 2021; 418:126329. [PMID: 34118549 DOI: 10.1016/j.jhazmat.2021.126329] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 06/12/2023]
Abstract
In recent years, the promotion and use of biodegradable plastics (BPs) are growing into a general trend. Here the degradation performance of different types of BPs was investigated in the natural environment. Their degradation levels followed the order of pure BPs> BP blends> claimed "BP"≈ non-biodegradable plastic after 6-month incubation. Photo- and biodegradation were the main degradation mechanisms of these plastics in the air and soil, respectively. Poly(p-dioxanone) (PPDO) exhibited the highest weight loss potentials in both air (54.7 ± 9.1%) and soil (56.8 ± 4.8%), due to its special ether bond and the rich and diverse microorganisms on its biofilms. The microbiota on PPDO was distinct and enriched with Chloroflexi and Firmicutes that responsible for carbon cycle and organic degradation. The weight loss was only 1.1-8.0% for poly(lactic acid), and 0.8-6.8% for poly(butylene adipate-co-terephthalate), and other plastics are basically non-degradable. Of note, numerous microplastics were formed after PPDO degradation, with 441 ± 326 and 2103 ± 131 item/g plastic in the air and soil, respectively. Taken together, the monitoring of BP biodegradation in the natural environment is of vital importance, and it is risky to promote large-scale application of BPs if the knowledge gap of their environmental behavior has not been well addressed.
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Affiliation(s)
- Jin Liao
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Minhang District, Shanghai 200241, China; Shanghai Polar Moment Science and Technology Education Company, Shanghai 200433, China
| | - Qiqing Chen
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Minhang District, Shanghai 200241, China.
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Pal S, Dutta A, Sarkar J, Roy A, Sar P, Kazy SK. Exploring the diversity and hydrocarbon bioremediation potential of microbial community in the waste sludge of Duliajan oil field, Assam, India. Environ Sci Pollut Res Int 2021; 28:50074-50093. [PMID: 33945094 DOI: 10.1007/s11356-021-13744-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 03/26/2021] [Indexed: 06/12/2023]
Abstract
Microbial community analysis of crude oil containing sludge collected from Duliajan oil field, Assam, India, showed the predominance of hydrocarbon-degrading bacteria such as Pseudomonas (20.1%), Pseudoxanthomonas (15.8%), Brevundimonas (1.6%), and Bacillus (0.8%) alongwith anaerobic, fermentative, nitrogen-fixing, nitrate-, sulfate-, and metal-reducing, syntrophic bacteria, and methanogenic archaea. Phylogenetic Investigation of Communities by Reconstruction of Unobserved States (PICRUSt) analysis indicated gene collection for potential hydrocarbon degradation, lipid, nitrogen, sulfur, and methane metabolism. The culturable microbial community was predominated by Pseudomonas and Bacillus with the metabolic potential for utilizing diverse hydrocarbons, crude oil, and actual petroleum sludge as sole carbon source during growth and tolerating various environmental stresses prevailing in such contaminated sites. More than 90% of the isolated strains could produce biosurfactant and exhibit catechol 2,3-dioxygenase activity. Nearly 30% of the isolates showed alkane hydroxylase activity with the maximum specific activity of 0.54 μmol min-1 mg-1. The study provided better insights into the microbial diversity and functional potential within the crude oil containing sludge which could be exploited for in situ bioremediation of contaminated sites.
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Affiliation(s)
- Siddhartha Pal
- Department of Biotechnology, National Institute of Technology Durgapur, Durgapur, WB, 713209, India
| | - Avishek Dutta
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, WB, 721302, India
- School of Bio Science, Indian Institute of Technology Kharagpur, Kharagpur, WB, 721302, India
| | - Jayeeta Sarkar
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, WB, 721302, India
| | - Ajoy Roy
- Department of Biotechnology, National Institute of Technology Durgapur, Durgapur, WB, 713209, India
| | - Pinaki Sar
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur, WB, 721302, India
| | - Sufia K Kazy
- Department of Biotechnology, National Institute of Technology Durgapur, Durgapur, WB, 713209, India.
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Abstract
The use of potent fungal mixed cultures is a promising technique for the biodegradation of crude oil. Four isolates of fungi, namely, Alternaria alternata (AA-1), Aspergillus flavus (AF-3), Aspergillus terreus (AT-7), and Trichoderma harzianum (TH-5), were isolated from date palm soil in Saudi Arabia. The mixed fungal of the four isolates have a powerful tool for biodegradation up to 73.6% of crude oil (1%, w/v) in 14 days. The fungal consortium no. 15 containing the four isolates (1:1:1:1) performed significantly better as a biodegradation agent than other consortium in a variety of environmental factors containing crude oil concentration, incubation temperature, initial pH, biodegradation time and the salinity of the medium. The fungal consortium showed better performance in the biodegradation of normal alkanes (n-alkanes) than that of the polycyclic aromatic hydrocarbons (PAHs); the biodegradation efficiency of normal alkanes of the fungal consortium (67.1%) was clearly high than that of the PAHs (56.8%).
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Affiliation(s)
- Abeer R. M. Abd El-Aziz
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Saudi Arabia
- * E-mail:
| | - Monira R. Al-Othman
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Sameh M. Hisham
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Shereen M. Shehata
- Pharmaceutical Chemistry Department, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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Nebeská D, Trögl J, Ševců A, Špánek R, Marková K, Davis L, Burdová H, Pidlisnyuk V. Miscanthus x giganteus role in phytodegradation and changes in bacterial community of soil contaminated by petroleum industry. Ecotoxicol Environ Saf 2021; 224:112630. [PMID: 34392149 DOI: 10.1016/j.ecoenv.2021.112630] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 07/05/2021] [Accepted: 08/10/2021] [Indexed: 05/27/2023]
Abstract
The second generation energy crop Miscanthus x giganteus (Mxg) was cultivated in pots with mixtures of clean and petroleum industry contaminated soil affected by petroleum, Pb, Zn contamination and high salinity. The survival rate reached 100%, nevertheless the biomass parameters were negatively affected even in the lowest proportion of contaminated soil. In the lowest contamination, where the plant grew still quite successfully, C10-C40 degradation was significantly enhanced compared to the unplanted control with degradation of 58 ± 14%. The plant contribution to aliphatics degradation was significantly correlated with biomass, thus it was negligible in higher contamination. A similar pattern was documented in development of the soil bacterial community. The shift in community structure after Mxg cultivation was observed mainly in the soil with the lowest contaminant proportion, though an increase of bacterial diversity in the miscanthus rhizosphere was observed in all cases. Relative abundance of Actinobacteria was reduced on behalf of several less abundant phyla (Verrucomicrobia, Bacterioides, Acidobacteria). The majority of genera identified as potential petroleum degraders (Pseudomonas, Shinella, Altererythrobacter, Azospirillum, Mesorhizobium, Dyella) were more abundant in contaminated soil with miscanthus, suggesting that Mxg could be a promising crop for phytomanagement of petroleum contaminated soils but salt phytotoxicity needs to be mitigated first.
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Affiliation(s)
- Diana Nebeská
- Faculty of Environment, Jan Evangelista Purkyně University in Ústí nad Labem, Pasteurova 3632/15, 40096 Ústí nad Labem, Czech Republic.
| | - Josef Trögl
- Faculty of Environment, Jan Evangelista Purkyně University in Ústí nad Labem, Pasteurova 3632/15, 40096 Ústí nad Labem, Czech Republic
| | - Alena Ševců
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 2, 46117 Liberec, Czech Republic
| | - Roman Špánek
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 2, 46117 Liberec, Czech Republic
| | - Kristýna Marková
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 2, 46117 Liberec, Czech Republic
| | - Lawrence Davis
- Department of Biochemistry and Molecular Biophysics, Kansas State University, 141 Charmers Hall, Manhattan, KS 66506, USA
| | - Hana Burdová
- Faculty of Environment, Jan Evangelista Purkyně University in Ústí nad Labem, Pasteurova 3632/15, 40096 Ústí nad Labem, Czech Republic
| | - Valentina Pidlisnyuk
- Faculty of Environment, Jan Evangelista Purkyně University in Ústí nad Labem, Pasteurova 3632/15, 40096 Ústí nad Labem, Czech Republic
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Dell’ Anno F, Rastelli E, Sansone C, Brunet C, Ianora A, Dell’ Anno A. Bacteria, Fungi and Microalgae for the Bioremediation of Marine Sediments Contaminated by Petroleum Hydrocarbons in the Omics Era. Microorganisms 2021; 9:1695. [PMID: 34442774 PMCID: PMC8400010 DOI: 10.3390/microorganisms9081695] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 07/30/2021] [Accepted: 08/03/2021] [Indexed: 11/29/2022] Open
Abstract
Petroleum hydrocarbons (PHCs) are one of the most widespread and heterogeneous organic contaminants affecting marine ecosystems. The contamination of marine sediments or coastal areas by PHCs represents a major threat for the ecosystem and human health, calling for urgent, effective, and sustainable remediation solutions. Aside from some physical and chemical treatments that have been established over the years for marine sediment reclamation, bioremediation approaches based on the use of microorganisms are gaining increasing attention for their eco-compatibility, and lower costs. In this work, we review current knowledge concerning the bioremediation of PHCs in marine systems, presenting a synthesis of the most effective microbial taxa (i.e., bacteria, fungi, and microalgae) identified so far for hydrocarbon removal. We also discuss the challenges offered by innovative molecular approaches for the design of effective reclamation strategies based on these three microbial components of marine sediments contaminated by hydrocarbons.
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Affiliation(s)
- Filippo Dell’ Anno
- Department of Marine Biotechnology, Stazione Zoologica “Anton Dohrn”, Villa Comunale, 80121 Naples, Italy; (C.S.); (C.B.); (A.I.)
| | - Eugenio Rastelli
- Department of Marine Biotechnology, Stazione Zoologica “Anton Dohrn”, Fano Marine Centre, Viale Adriatico 1-N, 61032 Fano, Italy;
| | - Clementina Sansone
- Department of Marine Biotechnology, Stazione Zoologica “Anton Dohrn”, Villa Comunale, 80121 Naples, Italy; (C.S.); (C.B.); (A.I.)
| | - Christophe Brunet
- Department of Marine Biotechnology, Stazione Zoologica “Anton Dohrn”, Villa Comunale, 80121 Naples, Italy; (C.S.); (C.B.); (A.I.)
| | - Adrianna Ianora
- Department of Marine Biotechnology, Stazione Zoologica “Anton Dohrn”, Villa Comunale, 80121 Naples, Italy; (C.S.); (C.B.); (A.I.)
| | - Antonio Dell’ Anno
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy
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Tripathi S, Sharma P, Purchase D, Tiwari M, Chakrabarty D, Chandra R. Biodegradation of organo-metallic pollutants in distillery wastewater employing a bioaugmentation process. Environmental Technology & Innovation 2021; 23:101774. [DOI: 10.1016/j.eti.2021.101774] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/27/2023]
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