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Antón-Herrero R, Chicca I, García-Delgado C, Crognale S, Lelli D, Gargarello RM, Herrero J, Fischer A, Thannberger L, Eymar E, Petruccioli M, D’Annibale A. Main Factors Determining the Scale-Up Effectiveness of Mycoremediation for the Decontamination of Aliphatic Hydrocarbons in Soil. J Fungi (Basel) 2023; 9:1205. [PMID: 38132804 PMCID: PMC10745009 DOI: 10.3390/jof9121205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/07/2023] [Accepted: 12/13/2023] [Indexed: 12/23/2023] Open
Abstract
Soil contamination constitutes a significant threat to the health of soil ecosystems in terms of complexity, toxicity, and recalcitrance. Among all contaminants, aliphatic petroleum hydrocarbons (APH) are of particular concern due to their abundance and persistence in the environment and the need of remediation technologies to ensure their removal in an environmentally, socially, and economically sustainable way. Soil remediation technologies presently available on the market to tackle soil contamination by petroleum hydrocarbons (PH) include landfilling, physical treatments (e.g., thermal desorption), chemical treatments (e.g., oxidation), and conventional bioremediation. The first two solutions are costly and energy-intensive approaches. Conversely, bioremediation of on-site excavated soil arranged in biopiles is a more sustainable procedure. Biopiles are engineered heaps able to stimulate microbial activity and enhance biodegradation, thus ensuring the removal of organic pollutants. This soil remediation technology is currently the most environmentally friendly solution available on the market, as it is less energy-intensive and has no detrimental impact on biological soil functions. However, its major limitation is its low removal efficiency, especially for long-chain hydrocarbons (LCH), compared to thermal desorption. Nevertheless, the use of fungi for remediation of environmental contaminants retains the benefits of bioremediation treatments, including low economic, social, and environmental costs, while attaining removal efficiencies similar to thermal desorption. Mycoremediation is a widely studied technology at lab scale, but there are few experiences at pilot scale. Several factors may reduce the overall efficiency of on-site mycoremediation biopiles (mycopiles), and the efficiency detected in the bench scale. These factors include the bioavailability of hydrocarbons, the selection of fungal species and bulking agents and their application rate, the interaction between the inoculated fungi and the indigenous microbiota, soil properties and nutrients, and other environmental factors (e.g., humidity, oxygen, and temperature). The identification of these factors at an early stage of biotreatability experiments would allow the application of this on-site technology to be refined and fine-tuned. This review brings together all mycoremediation work applied to aliphatic petroleum hydrocarbons (APH) and identifies the key factors in making mycoremediation effective. It also includes technological advances that reduce the effect of these factors, such as the structure of mycopiles, the application of surfactants, and the control of environmental factors.
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Affiliation(s)
- Rafael Antón-Herrero
- Department of Agricultural Chemistry and Food Science, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (R.A.-H.); (E.E.)
| | | | - Carlos García-Delgado
- Department of Geology and Geochemistry, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Silvia Crognale
- Department for Innovation in Biological, Agri-Food and Forestry Systems, University of Tuscia, 01100 Tuscia, Italy; (S.C.); (D.L.); (M.P.); (A.D.)
| | - Davide Lelli
- Department for Innovation in Biological, Agri-Food and Forestry Systems, University of Tuscia, 01100 Tuscia, Italy; (S.C.); (D.L.); (M.P.); (A.D.)
| | - Romina Mariel Gargarello
- Water, Air and Soil Unit, Eurecat, Centre Tecnològic de Catalunya, 08242 Manresa, Spain; (R.M.G.); (J.H.)
| | - Jofre Herrero
- Water, Air and Soil Unit, Eurecat, Centre Tecnològic de Catalunya, 08242 Manresa, Spain; (R.M.G.); (J.H.)
| | | | | | - Enrique Eymar
- Department of Agricultural Chemistry and Food Science, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (R.A.-H.); (E.E.)
| | - Maurizio Petruccioli
- Department for Innovation in Biological, Agri-Food and Forestry Systems, University of Tuscia, 01100 Tuscia, Italy; (S.C.); (D.L.); (M.P.); (A.D.)
| | - Alessandro D’Annibale
- Department for Innovation in Biological, Agri-Food and Forestry Systems, University of Tuscia, 01100 Tuscia, Italy; (S.C.); (D.L.); (M.P.); (A.D.)
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Kanisan DP, Quek ZBR, Oh RM, Afiq-Rosli L, Lee JN, Huang D, Wainwright BJ. Diversity and Distribution of Microbial Communities Associated with Reef Corals of the Malay Peninsula. MICROBIAL ECOLOGY 2023; 85:37-48. [PMID: 35043221 DOI: 10.1007/s00248-022-01958-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 12/30/2021] [Indexed: 06/14/2023]
Abstract
Coral-associated bacteria play critical roles in the regulation of coral health and function. Environmental perturbations that alter the bacterial community structure can render the coral holobiont more susceptible and less resilient to disease. Understanding the natural variation of the coral microbiome across space and host species provides a baseline that can be used to distinguish shifts in community structure. Using a 16S rRNA gene metabarcoding approach, this study examines bacterial community structure across three scleractinian coral hosts. Our results show that corals of three regions-eastern and western Peninsular Malaysia and Singapore-host distinct bacterial communities; despite these differences, we were able to identify a core microbiome shared across all three species. This core microbiome was also present in samples previously collected in Thailand, suggesting that these core microbes play an important role in promoting and maintaining host health. For example, several have been identified as dimethylsulfoniopropionate (DMSP) metabolizers that have roles in sulfur cycling and the suppression of bacterial pathogens. Pachyseris speciosa has the most variable microbiome, followed by Porites lutea, with the composition of the Diploastrea heliopora microbiome the least variable throughout all locations. Microbial taxa associated with each region or site are likely shaped by local environmental conditions. Taken together, host identity is a major driver of differences in microbial community structure, while environmental heterogeneity shapes communities at finer scales.
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Affiliation(s)
- Dhivya P Kanisan
- Department of Biological Sciences, National University of Singapore, 16 Science Drive 4, Singapore 117558, Singapore
| | - Z B Randolph Quek
- Department of Biological Sciences, National University of Singapore, 16 Science Drive 4, Singapore 117558, Singapore
- Yale-NUS College, National University of Singapore, 16 College Avenue West, 138527, Singapore
| | - Ren Min Oh
- Department of Biological Sciences, National University of Singapore, 16 Science Drive 4, Singapore 117558, Singapore
| | - Lutfi Afiq-Rosli
- Department of Biological Sciences, National University of Singapore, 16 Science Drive 4, Singapore 117558, Singapore
- Tropical Marine Science Institute, National University of Singapore, 18 Kent Ridge Road, 119227, Singapore
| | - Jen Nie Lee
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Malaysia
| | - Danwei Huang
- Department of Biological Sciences, National University of Singapore, 16 Science Drive 4, Singapore 117558, Singapore
- Tropical Marine Science Institute, National University of Singapore, 18 Kent Ridge Road, 119227, Singapore
- Centre for Nature-Based Climate Solutions, National University of Singapore, 16 Science Drive 4, Singapore 117558, Singapore
| | - Benjamin J Wainwright
- Department of Biological Sciences, National University of Singapore, 16 Science Drive 4, Singapore 117558, Singapore.
- Yale-NUS College, National University of Singapore, 16 College Avenue West, 138527, Singapore.
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3
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Assessment of Different Spent Mushroom Substrates to Bioremediate Soils Contaminated with Petroleum Hydrocarbons. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12157720] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Bioremediation techniques are being developed as substitutes for physical–chemical methodologies that are expensive and not sustainable. For example, using the agricultural waste spent mushroom substrate (SMS) which contains valuable microbiota for soil bioremediation. In this work, SMSs of four cultivated fungal species, Pleurotus eryngii, Lentinula edodes, Pleurotus ostreatus, and Agaricus bisporus were evaluated for the bioremediation of soils contaminated by petroleum hydrocarbons (TPHs). The bioremediation test was carried out by mixing the four different SMSs with the TPH-contaminated soil in comparison with an unamended soil control to assess its natural attenuation. To determine the most efficient bioremediation strategy, hydrolase, dehydrogenase, and ligninolytic activities, ergosterol content, and percentage of TPHs degradation (total and by chains) were determined at the end of the assay at 40 days. The application of SMS significantly improved the degradation of TPHs with respect to the control. The most effective spent mushroom substrate to degrade TPHs was A. bisporus, followed by L. edodes and P. ostreatus. Similar results were obtained for the removal of aliphatic and aromatic hydrocarbons. The results showed the effectiveness of SMS to remove aliphatic and aromatic hydrocarbons from C10 to C35. This work demonstrates an alternative to valorizing an abundant agricultural waste as SMS to bioremediate contaminated soils.
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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] [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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Zhuo R, Fan F. A comprehensive insight into the application of white rot fungi and their lignocellulolytic enzymes in the removal of organic pollutants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 778:146132. [PMID: 33714829 DOI: 10.1016/j.scitotenv.2021.146132] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 02/19/2021] [Accepted: 02/22/2021] [Indexed: 05/14/2023]
Abstract
Environmental problems resultant from organic pollutants are a major current challenge for modern societies. White rot fungi (WRF) are well known for their extensive organic compound degradation abilities. The unique oxidative and extracellular ligninolytic systems of WRF that exhibit low substrate specificity, enable them to display a considerable ability to transform or degrade different environmental contaminants. In recent decades, WRF and their ligninolytic enzymes have been widely applied in the removal of polycyclic aromatic hydrocarbons (PAHs), pharmaceutically active compounds (PhACs), endocrine disruptor compounds (EDCs), pesticides, synthetic dyes, and other environmental pollutants, wherein promising results have been achieved. This review focuses on advances in WRF-based bioremediation of organic pollutants over the last 10 years. We comprehensively document the application of WRF and their lignocellulolytic enzymes for removing organic pollutants. Moreover, potential problems and intriguing observations that are worthy of additional research attention are highlighted. Lastly, we discuss trends in WRF-remediation system development and avenues that should be considered to advance research in the field.
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Affiliation(s)
- Rui Zhuo
- Institute of Plant and Microbiology, Hunan Province Key Laboratory of Plant Functional Genomics and Developmental Regulation, College of Biology, Hunan University, Changsha 410082, China.
| | - Fangfang Fan
- Harvard Medical School, Harvard University, Boston, MA 02115, USA.
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Becarelli S, Chicca I, La China S, Siracusa G, Bardi A, Gullo M, Petroni G, Levin DB, Di Gregorio S. A New Ciboria sp. for Soil Mycoremediation and the Bacterial Contribution to the Depletion of Total Petroleum Hydrocarbons. Front Microbiol 2021; 12:647373. [PMID: 34177829 PMCID: PMC8221241 DOI: 10.3389/fmicb.2021.647373] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 04/26/2021] [Indexed: 11/24/2022] Open
Abstract
A Ciboria sp. strain (Phylum Ascomycota) was isolated from hydrocarbon-polluted soil of an abandoned oil refinery in Italy. The strain was able to utilize diesel oil as a sole carbon source for growth. Laboratory-scale experiments were designed to evaluate the use of this fungal strain for treatment of the polluted soil. The concentration of total petroleum hydrocarbons (TPH) in the soil was 8,538 mg/kg. Mesocosms containing the contaminated soil were inoculated with the fungal strain at 1 or 7%, on a fresh weight base ratio. After 90 days of incubation, the depletion of TPH contamination was of 78% with the 1% inoculant, and 99% with the 7% inoculant. 16S rDNA and ITS metabarcoding of the bacterial and fungal communities was performed in order to evaluate the potential synergism between fungi and bacteria in the bioremediation process. The functional metagenomic prediction indicated Arthrobacter, Dietzia, Brachybacerium, Brevibacterium, Gordonia, Leucobacter, Lysobacter, and Agrobacterium spp. as generalist saprophytes, essential for the onset of hydrocarbonoclastic specialist bacterial species, identified as Streptomyces, Nocardoides, Pseudonocardia, Solirubrobacter, Parvibaculum, Rhodanobacter, Luteiomonas, Planomicrobium, and Bacillus spp., involved in the TPH depletion. The fungal metabolism accelerated the onset of specialist over generalist bacteria. The capacity of the Ciboria sp. to deplete TPH in the soil in treatment was also ascertained.
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Affiliation(s)
- Simone Becarelli
- Department of Biology, University of Pisa, Pisa, Italy.,BD Biodigressioni, Pisa, Italy
| | - Ilaria Chicca
- Department of Biology, University of Pisa, Pisa, Italy.,Department of Biosystem Engineering, University of Manitoba, Winnipeg, MB, Canada
| | - Salvatore La China
- Department of Life Sciences, University of Modena and Reggio-Emilia, Reggio Emilia, Italy
| | | | - Alessandra Bardi
- Department of Civil and Environmental Engineering, University of Florence, Florence, Italy
| | - Maria Gullo
- Department of Life Sciences, University of Modena and Reggio-Emilia, Reggio Emilia, Italy
| | | | - David Bernard Levin
- BD Biodigressioni, Pisa, Italy.,Department of Biosystem Engineering, University of Manitoba, Winnipeg, MB, Canada
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Mafiana MO, Bashiru MD, Erhunmwunsee F, Dirisu CG, Li SW. An insight into the current oil spills and on-site bioremediation approaches to contaminated sites in Nigeria. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:4073-4094. [PMID: 33188631 DOI: 10.1007/s11356-020-11533-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Land oil spills in Nigeria have a long history of contaminating the soil, groundwater, vegetation, and streams with spill extension being the primary of numerous ordeals. These have left the host communities of oil fields and pipelines in crucial need of soil rehabilitation. Thus, this review provides insights into the current state of land oil spills and the effectiveness of on-site remediation approaches across communities. A total of 44 incidents of land oil spills of ≥ 500 bbl, amounting to 53,631 bbl between 2011 and 2019, was recorded by the Shell Petroleum Development Company, which primarily attributed to 83% of the total sabotage. Over 73% of the 53,631 bbl spills were unrecovered from the spill areas, which had deleterious impacts on farmlands, fishponds, rivers, and residential areas. Remediation by enhanced natural attenuation (RENA) is a feasible technique for restoring petroleum hydrocarbon-contaminated sites, but it might be ineffective when limited to tiling, windrows, and fertilizer applications due to the presence of non-biodegradable residues and contaminants beyond the aeration depth. However, bioremediation techniques ranging from non-supplemented in-situ and fertilizer supplemented in-situ to mixed in-situ and ex-situ bio-cells supplemented RENA are feasible approaches for spill sites. However, challenging limitations with regard to RENA application failures in the region include delayed responses to spill emergency, large amounts of un-recovered spilled oil, and un-implemented legislative guidelines for spill cleanup. Nevertheless, the temperature, moisture, nutrient, oxygen, and pH of the soil are essential parameters to be considered when implementing a landfarming remediation approach.
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Affiliation(s)
- Macdonald Ogorm Mafiana
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China.
- Department of Biology Education, Federal College of Education (Technical), Omoku, 510103, Rivers State, Nigeria.
| | - Mustapha Dimah Bashiru
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
| | | | - Chimezie Gabriel Dirisu
- Department of Biology Education, Federal College of Education (Technical), Omoku, 510103, Rivers State, Nigeria
| | - Shi-Weng Li
- School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China.
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Wang X, Guan X, Zhang X, Xiang S, Zhang R, Liu M. Microbial communities in petroleum-contaminated seasonally frozen soil and their response to temperature changes. CHEMOSPHERE 2020; 258:127375. [PMID: 32554022 DOI: 10.1016/j.chemosphere.2020.127375] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 06/04/2020] [Accepted: 06/08/2020] [Indexed: 05/25/2023]
Abstract
Petroleum has contaminated microbial habitats in some parts of permafrost. The microbial community has probably undergone great changes due to the differential sensitivity of bacteria to petroleum contamination, making the seasonally frozen ground ecosystem even more fragile. In this study, we analyzed the microbial community structure and function at different soil depths and petroleum contaminant levels, and studied their relationship with environmental factors through correlation analysis, the random forest algorithm and co-occurrence network analysis. We found that microbial community composition and function mainly varied in response to concentrations of petroleum and sulfates in the environment. The microbial community was divided into six modules as functional groups. Among them, sulfate-reducing bacteria and sulfite-oxidizing bacteria play important roles in module0 and module4, respectively, which were possibly responsible for the degradation of petroleum in permafrost zone. The microbial ability to degrade petroleum decreased and glycan metabolism decreased and then increased through the temperature rise-fall process as a result of microbial stress tolerance mechanisms to pollution and temperature changes. The impact on microbial community structure and function, as well as the responses to petroleum pollution and temperature changes, are revealed in this study.
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Affiliation(s)
- Xusheng Wang
- School of Ocean Sciences, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Xiangyu Guan
- School of Ocean Sciences, China University of Geosciences (Beijing), Beijing, 100083, China; Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, China.
| | - Xiaojuan Zhang
- Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Shizheng Xiang
- School of Ocean Sciences, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Ruirui Zhang
- School of Ocean Sciences, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Mingzhu Liu
- Beijing Key Laboratory of Water Resources and Environmental Engineering, China University of Geosciences (Beijing), Beijing, 100083, China
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Gałązka A, Grządziel J, Gałązka R, Gawryjołek K, Ukalska-Jaruga A, Smreczak B. Fungal Community, Metabolic Diversity, and Glomalin-Related Soil Proteins (GRSP) Content in Soil Contaminated With Crude Oil After Long-Term Natural Bioremediation. Front Microbiol 2020; 11:572314. [PMID: 33042080 PMCID: PMC7528562 DOI: 10.3389/fmicb.2020.572314] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 08/24/2020] [Indexed: 12/12/2022] Open
Abstract
Fungi have increased tolerance to environmental stress (also related to the access of pollutants, e.g., trace elements and polycyclic aromatic hydrocarbons PAHs). The aim of the study was to evaluate the mycobiome and functional diversity of fungi in long-term crude-oil contaminated soils as the potential bioremediators of oil contaminated sites. Samples were taken from three historical oil wells (over a century old) at two distances: within a 0.5 m radius of the oil wells (OWP1, OWP2, and OWP3) and within a 3 m radius from the oil wells as the controls (OW1, OW2, and OW3). Next generation sequencing (for the ITS region) was accompanied with determination of the functional fungal community based on Biolog FFPlates, glomalin related soil protein (GRSP) content, trace element and PAHs concentration. The research hypothesis assumed that long-term natural bioremediation of crude oil contaminated soils can contribute to intensive development of a unique fungal community adapted to the contamination conditions. The identification of such fungi can be of particular importance in soil bioremediation. There were significant differences in the fungal community and functional diversity between the soil samples. The soils collected directly from the oil wells were characterized by higher biological activity and higher diversity of PAH-degrading fungal candidates compared to the soils collected within 3 m of the oil wells. The total glomalin-related soil proteins (T-GRSP) and easily-extractable glomalin-related soil proteins (EE-GRSP) contents were lower in soil samples taken directly from the crude oil well. The control soil (OW) subjected to a long-term natural remediation may already have sufficient conditions for the growth and development of mycorrhizal fungi. The mycobiome of the soils collected directly from the oil wells (OWP1, OWP2, and OWP3) was characterized by a 35% share of PAH-degrading candidates, compared to the soil collected at the 3 m distance from the oil wells (OW1, OW2, and OW3) at < 5%. The main PAH-degrading fungal candidates belong to genera Ilyonectria, Chaetomium, Gibberella, Paraphoma, Schizothecium, Pseudorobillarda, Tetracladium, Ganoderma, Cadophora, Exophiala, Knufia, Mycoleptodiscus, Cyphellophora, Fusicolla, Devriesia, Didymella, Plenodomus, Pyrenochaetopsis, Symbiotaphrina, Phallus, Coprinellus, Plectosphaerella, Septoriella, and Hypholoma. The share of three- and four-ringed PAHs in soil was higher as the distance from the oil well increased. These results may indicate that more effective degradation processes occur closer to the oil wells.
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Affiliation(s)
- Anna Gałązka
- Department of Agriculture Microbiology, Institute of Soil Science and Plant Cultivation – State Research Institute, Puławy, Poland
| | - Jarosław Grządziel
- Department of Agriculture Microbiology, Institute of Soil Science and Plant Cultivation – State Research Institute, Puławy, Poland
| | - Rafał Gałązka
- Department of Soil Science Erosion and Land Protection, Institute of Soil Science and Plant Cultivation – State Research Institute, Puławy, Poland
| | - Karolina Gawryjołek
- Department of Agriculture Microbiology, Institute of Soil Science and Plant Cultivation – State Research Institute, Puławy, Poland
| | - Aleksandra Ukalska-Jaruga
- Department of Soil Science Erosion and Land Protection, Institute of Soil Science and Plant Cultivation – State Research Institute, Puławy, Poland
| | - Bozena Smreczak
- Department of Soil Science Erosion and Land Protection, Institute of Soil Science and Plant Cultivation – State Research Institute, Puławy, Poland
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Crognale S, Stazi SR, Firrincieli A, Pesciaroli L, Fedi S, Petruccioli M, D'Annibale A. Time-Dependent Changes in Morphostructural Properties and Relative Abundances of Contributors in Pleurotus ostreatus/ Pseudomonas alcaliphila Mixed Biofilms. Front Microbiol 2019; 10:1819. [PMID: 31447819 PMCID: PMC6695841 DOI: 10.3389/fmicb.2019.01819] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 07/23/2019] [Indexed: 11/13/2022] Open
Abstract
Pleurotus ostreatus dual biofilms with bacteria are known to be involved in rock phosphate solubilization, endophytic colonization, and even in nitrogen fixation. Despite these relevant implications, no information is currently available on the architecture of P. ostreatus-based dual biofilms. In addition to this, there is a limited amount of information regarding the estimation of the temporal changes in the relative abundances of the partners in such binary systems. To address these issues, a dual biofilm model system with this fungus was prepared by using Pseudomonas alcaliphila 34 as the bacterial partner due to its very fast biofilm-forming ability. The application of the bacterial inoculum to already settled fungal biofilm on a polystyrene surface coated with hydroxyapatite was the most efficient approach to the production of the mixed system the ultrastructure of which was investigated by a multi-microscopy approach. Transmission electron microscopy analysis showed that the adhesion of bacterial cells onto the mycelial cell wall appeared to be mediated by the presence of an abundant layer of extracellular matrix (ECM). Scanning electron microscopy analysis showed that ECM filaments of bacterial origin formed initially a reticular structure that assumed a tabular semblance after 72 h, thus overshadowing the underlying mycelial network. Across the thickness of the mixed biofilms, the presence of an extensive network of channels with large aggregates of viable bacteria located on the edges of their lumina was found by confocal laser scanning microscopy; on the outermost biofilm layer, a significant fraction of dead bacterial cells was evident. Albeit with tangible differences, similar results regarding the estimation of the temporal shifts in the relative abundances of the two partners were obtained by two independent methods, the former relying on qPCR targeting of 16S and 18S rRNA genes and the latter on ester-linked fatty acid methyl esters analysis.
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Affiliation(s)
- Silvia Crognale
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | - Silvia Rita Stazi
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | - Andrea Firrincieli
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | - Lorena Pesciaroli
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | - Stefano Fedi
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Maurizio Petruccioli
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | - Alessandro D'Annibale
- Department for Innovation in Biological, Agro-Food and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
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11
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Hussain I, Puschenreiter M, Gerhard S, Sani SGAS, Khan WUD, Reichenauer TG. Differentiation between physical and chemical effects of oil presence in freshly spiked soil during rhizoremediation trial. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:18451-18464. [PMID: 31044381 PMCID: PMC6570674 DOI: 10.1007/s11356-019-04819-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 03/07/2019] [Indexed: 05/05/2023]
Abstract
Petroleum contamination and its remediation via plant-based solutions have got increasing attention by environmental scientists and engineers. In the current study, the physiological and growth responses of two diesel-tolerant plant species (tolerance limit: 1500-2000 mg/kg), Italian ryegrass (Lolium multiflorum) and Birdsfoot trefoil (Lotus corniculatus), have been investigated in vegetable oil- and diesel oil-amended soils. A long-term (147-day) greenhouse pot experiment was conducted to differentiate the main focus of the study: physical and chemical effects of oil (vegetable and diesel) in freshly spiked soils via evaluating the plant performance and hydrocarbon degradation. Moreover, plant performance was evaluated in terms of seed germination, plant shoot biomass, physiological parameters, and root biomass. Addition of both diesel oil and vegetable oil in freshly spiked soils showed deleterious effects on seedling emergence, root/shoot biomass, and chlorophyll content of grass and legume plants. Italian ryegrass showed more sensitivity in terms of germination rate to both vegetable and diesel oil as compared to non-contaminated soils while Birdsfoot trefoil reduced the germination rate only in diesel oil-impacted soils. The results of the current study suggest that both physical and chemical effects of oil pose negative effects of plant growth and root development. This observation may explain the phenomenon of reduced plant growth in aged/weathered contaminated soils during rhizoremediation experiments.
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Affiliation(s)
- Imran Hussain
- AIT Austrian Institute of Technology, Centre for Energy, Environmental Resources and Technologies, Tulln, Austria.
- Department of Molecular Systems Biology, Faculty of Life sciences, University of Vienna, Vienna, Austria.
- Department of Natural Resources and Environmental Engineering, Bioenergy and Environmental Remediation Lab (BERL), Hanyang, South Korea.
| | - Markus Puschenreiter
- Department of Forest and Soil Sciences, University of Natural Resources and Life Sciences Vienna, Konrad Lorenz Straße 24, A-3430, Tulln, Austria
| | - Soja Gerhard
- AIT Austrian Institute of Technology, Centre for Energy, Environmental Resources and Technologies, Tulln, Austria
| | | | - Waqas-Us-Din Khan
- Sustainable Development Study Centre, Government College University, Lahore, Pakistan
| | - Thomas G Reichenauer
- AIT Austrian Institute of Technology, Centre for Energy, Environmental Resources and Technologies, Tulln, Austria.
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12
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Siles JA, Margesin R. Insights into microbial communities mediating the bioremediation of hydrocarbon-contaminated soil from an Alpine former military site. Appl Microbiol Biotechnol 2018; 102:4409-4421. [PMID: 29594357 PMCID: PMC5932094 DOI: 10.1007/s00253-018-8932-6] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 03/09/2018] [Accepted: 03/10/2018] [Indexed: 11/26/2022]
Abstract
The study of microbial communities involved in soil bioremediation is important to identify the specific microbial characteristics that determine improved decontamination rates. Here, we characterized bacterial, archaeal, and fungal communities in terms of (i) abundance (using quantitative PCR) and (ii) taxonomic diversity and structure (using Illumina amplicon sequencing) during the bioremediation of long-term hydrocarbon-contaminated soil from an Alpine former military site during 15 weeks comparing biostimulation (inorganic NPK fertilization) vs. natural attenuation and considering the effect of temperature (10 vs. 20 °C). Although a considerable amount of total petroleum hydrocarbon (TPH) loss could be attributed to natural attenuation, significantly higher TPH removal rates were obtained with NPK fertilization and at increased temperature, which were related to the stimulation of the activities of indigenous soil microorganisms. Changing structures of bacterial and fungal communities significantly explained shifts in TPH contents in both natural attenuation and biostimulation treatments at 10 and 20 °C. However, archaeal communities, in general, and changing abundances and diversities in bacterial and fungal communities did not play a decisive role on the effectiveness of soil bioremediation. Gammaproteobacteria and Bacteroidia classes, within bacterial community, and undescribed/novel groups, within fungal community, proved to be actively involved in TPH removal in natural attenuation and biostimulation at both temperatures.
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Affiliation(s)
- José A Siles
- Institute of Microbiology, University of Innsbruck, Technikerstrasse 25, A-6020, Innsbruck, Austria
| | - Rosa Margesin
- Institute of Microbiology, University of Innsbruck, Technikerstrasse 25, A-6020, Innsbruck, Austria.
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Dos Santos JJ, Maranho LT. Rhizospheric microorganisms as a solution for the recovery of soils contaminated by petroleum: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2018; 210:104-113. [PMID: 29331851 DOI: 10.1016/j.jenvman.2018.01.015] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 12/27/2017] [Accepted: 01/04/2018] [Indexed: 06/07/2023]
Abstract
Petroleum is currently the world's main energy source, and its demand is expected to increase in coming years. Its intense exploitation can lead to an increase in the number of environmental accidents, such as spills and leaks, and an increase in the generation of environmental liabilities resulting from refining. Due to its hydrophobic characteristics and slow process of biodegradation, petroleum can remain in the environment for a long time and its toxicity can cause a negative impact on both terrestrial and aquatic ecosystems, with the main negative effects related to its carcinogenic potential for both animals and humans. The objective of the present review is to discuss environmental contamination by oil, conventional treatment techniques and bioremediation an alternative tool for recovery petroleum-contaminated soils, focusing on the rhizodegradation process, plant growth-promoting rhizobacteria (PGPR), a phytoremediation strategy in which the microorganisms that colonize the roots of phytoremediatior plants are responsible for the biodegradation of petroleum. These microorganisms can be selected and tested individually or in the form of consortia to evaluate their potential for oil degradation, or even to measure the use of biosurfactants produced by them to constitute tools for the development of environmental recovery strategies and biotechnological application.
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Affiliation(s)
- Jéssica Janzen Dos Santos
- Master Program in Industrial Biotechnology, Universidade Positivo (UP), R. Prof. Pedro Viriato Parigot de Souza, 5300, Curitiba, PR 81.280-330, Brazil
| | - Leila Teresinha Maranho
- Master Program in Industrial Biotechnology, Universidade Positivo (UP), R. Prof. Pedro Viriato Parigot de Souza, 5300, Curitiba, PR 81.280-330, Brazil.
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14
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Borowik A, Wyszkowska J, Oszust K. Functional Diversity of Fungal Communities in Soil Contaminated with Diesel Oil. Front Microbiol 2017; 8:1862. [PMID: 29021782 PMCID: PMC5623761 DOI: 10.3389/fmicb.2017.01862] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 09/12/2017] [Indexed: 12/02/2022] Open
Abstract
The widespread use and consumption of crude oil draws the public's attention to the fate of petroleum hydrocarbons in the environment, as they can permeate the soil environment in an uncontrollable manner. Contamination of soils with petroleum products, including diesel oil (DO), can cause changes in the microbiological soil properties. The effect of diesel oil on the functional diversity of fungi was tested in a model experiment during 270 days. Fungi were isolated from soil and identified. The functional diversity of fungal communities was also determined. Fungi were identified with the MALDI-TOF method, while the functional diversity was determined using FF-plates made by Biolog®, with 95 carbon sources. Moreover, the diesel oil degradation dynamics was assessed. The research showed that soil contaminated with diesel oil is characterized by a higher activity of oxireductases and a higher number of fungi than soil not exposed to the pressure of this product. The DO pollution has an adverse effect on the diversity of fungal community. This is proved by significantly lower values of the Average Well-Color Development, substrates Richness (R) and Shannon-Weaver (H) indices at day 270 after contamination. The consequences of DO affecting soil not submitted to remediation are persistent. After 270 days, only 64% of four-ringed, 28% of five-ringed, 21% of 2-3-ringed and 16% of six-ringed PAHs underwent degradation. The lasting effect of DO on communities of fungi led to a decrease in their functional diversity. The assessment of the response of fungi to DO pollution made on the basis of the development of colonies on Petri dishes [Colony Development (CD) and Eco-physiological Diversity (EP) indices] is consistent with the analysis based on the FF MicroPlate system by Biolog®. Thus, a combination of the FF MicroPlate system by Biolog® with the simultaneous calculation of CD and EP indices alongside the concurrent determination of the content of PAHs and activity of oxireductases provides an opportunity to achieve relatively complete characterization of the consequences of a long-term impact of diesel oil on soil fungi.
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Affiliation(s)
- Agata Borowik
- Department of Microbiology, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Jadwiga Wyszkowska
- Department of Microbiology, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Karolina Oszust
- Institute of Agrophysics, Polish Academy of Sciences, Lublin, Poland
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