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Shi H, Gao W, Zheng Y, Yang L, Han B, Zhang Y, Zheng L. Distribution and abundance of oil-degrading bacteria in seawater of the Yellow Sea and Bohai Sea, China. Sci Total Environ 2023; 902:166038. [PMID: 37562632 DOI: 10.1016/j.scitotenv.2023.166038] [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: 04/12/2023] [Revised: 06/15/2023] [Accepted: 08/02/2023] [Indexed: 08/12/2023]
Abstract
Petroleum hydrocarbons are widespread in seawater. As an important sea area in northern China, the content and distribution of petroleum hydrocarbons in seawater need our attention because of the high toxicity and lasting polluting effects on the ecological environment of the Yellow Sea and Bohai Sea. In addition, there are few reports comparing the diversity of oil-degrading bacteria before and after enrichment. Therefore, we collected surface seawater from 10 sites in the Yellow Sea and Bohai Sea in the autumn of 2020 to study the distribution characteristics of total petroleum hydrocarbons (TPH) and the diversity of oil-degrading bacteria. The concentration of TPH was 81.65 μg/L-139.55 μg/L at ten sites in the Bohai Sea and the Yellow Sea, which conformed to the China Grade II water quality standard (GB3097-1997). Moreover, the pristine/phytane (PR/PH) value of most sites was close to 1, indicating that the area was obviously polluted by exogenous petroleum hydrocarbons. We found that oil-degrading bacteria in the seawater of the Yellow Sea and the Bohai Sea had a good degradation effect on C11-C14 short chain alkanes (degradation rate of 59.19-73.22 %) and C1-C4 phenanthrene (degradation rate of 48.19-60.74 %). In terms of the diversity of oil-degrading bacteria, Gammaproteobacteria and Alphaproteobacteria dominated the enriched bacterial communities. Notably, the relative abundance of Alcanivorax changed significantly before and after enrichment. We proposed that surface seawater in the Bohai Sea and Yellow Sea could form oil-degrading bacteria mainly composed of Alcanivorax, which had great potential for oil pollution remediation.
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Affiliation(s)
- Haolei Shi
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Wei Gao
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; Laboratory for Marine Ecology and Environmental Science, Qingdao Pilot National Laboratory for Marine Science and Technology, Qingdao 266071, China.
| | - Yunchao Zheng
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Lin Yang
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Bin Han
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; Laboratory for Marine Ecology and Environmental Science, Qingdao Pilot National Laboratory for Marine Science and Technology, Qingdao 266071, China
| | - Yanchao Zhang
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Li Zheng
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; Laboratory for Marine Ecology and Environmental Science, Qingdao Pilot National Laboratory for Marine Science and Technology, Qingdao 266071, China.
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Zhao ZQ, Yang J, Chen HY, Wang WF, Lian XJ, Xie XJ, Wang M, Yu KF, Zheng HB. Construction and application of highly efficient waste cooking oil degrading bacteria consortium in oily wastewater. Environ Sci Pollut Res Int 2023; 30:125677-125688. [PMID: 38001293 DOI: 10.1007/s11356-023-31107-1] [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] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023]
Abstract
The treatment of cooking oil wastewater is an urgent issue need to be solved. We aimed to screen for efficient oil-degrading bacteria and develop a new microbial agent for degrading waste cooking oil in oily wastewater. Three extremely effective oil-degrading bacteria, known as YZQ-1, YZQ-3, and YZQ-4, were found by the enrichment and acclimation of samples from various sources and separation using oil degradation plates. The 16S rRNA sequencing analysis and phylogenetic tree construction showed that the three strains were Bacillus tropicus, Pseudomonas multiresinivorans, and Raoultella terrigena. Under optimal degradation conditions, the maximal degradation rates were 67.30 ± 3.69%, 89.65 ± 1.08%, and 79.60 ± 5.30%, respectively, for YZQ-1, YZQ-3, and YZQ-4. Lipase activity was highest for YZQ-3, reaching 94.82 ± 12.89 U/L. The best bacterial alliance was obtained by adding equal numbers of microbial cells from the three strains. Moreover, when this bacterial alliance was applied to oily wastewater, the degradation rate of waste cooking oil was 61.13 ± 7.30% (3.67% ± 2.13% in the control group), and COD removal was 62.4% ± 5.65% (55.60% ± 0.71% in the control group) in 72 h. Microbial community analysis results showed YZQ-1 and YZQ-3 were adaptable to wastewater and could coexist with local bacteria, whereas YZQ-4 could not survive in wastewater. Therefore, the combination of YZQ-1 and YZQ-3 can efficiently degrade oil and shows great potential for oily wastewater treatment.
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Affiliation(s)
- Zhuo-Qun Zhao
- Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, College of Environmental and Resources Sciences, Zhejiang A&F University, Hangzhou, 311300, China
| | - Jian Yang
- Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, College of Environmental and Resources Sciences, Zhejiang A&F University, Hangzhou, 311300, China
| | - Heng-Yuan Chen
- Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, College of Environmental and Resources Sciences, Zhejiang A&F University, Hangzhou, 311300, China
| | - Wen-Fan Wang
- Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, College of Environmental and Resources Sciences, Zhejiang A&F University, Hangzhou, 311300, China
| | - Xiao-Jian Lian
- Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, College of Environmental and Resources Sciences, Zhejiang A&F University, Hangzhou, 311300, China
| | - Xiao-Jie Xie
- Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, College of Environmental and Resources Sciences, Zhejiang A&F University, Hangzhou, 311300, China
| | - Min Wang
- Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, College of Environmental and Resources Sciences, Zhejiang A&F University, Hangzhou, 311300, China
| | - Ke-Fei Yu
- Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, College of Environmental and Resources Sciences, Zhejiang A&F University, Hangzhou, 311300, China
| | - Hua-Bao Zheng
- Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, College of Environmental and Resources Sciences, Zhejiang A&F University, Hangzhou, 311300, China.
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Kampouris ID, Gründger GF, Christensen JH, Greer CW, Kjeldsen KU, Boone W, Meire L, Rysgaard S, Vergeynst L. Long-term patterns of hydrocarbon biodegradation and bacterial community composition in epipelagic and mesopelagic zones of an Arctic fjord. J Hazard Mater 2023; 446:130656. [PMID: 36603421 DOI: 10.1016/j.jhazmat.2022.130656] [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: 09/28/2022] [Revised: 12/14/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
Oil spill attenuation in Arctic marine environments depends on oil-degrading bacteria. However, the seasonally harsh conditions in the Arctic such as nutrient limitations and sub-zero temperatures limit the activity even for bacteria capable of hydrocarbon metabolism at low temperatures. Here, we investigated whether the variance between epipelagic (seasonal temperature and inorganic nutrient variations) and mesopelagic zone (stable environmental conditions) could limit the growth of oil-degrading bacteria and lead to lower oil biodegradation rates in the epipelagic than in the mesopelagic zone. Therefore, we deployed absorbents coated with three oil types in a SW-Greenland fjord system at 10-20 m (epipelagic) and 615-650 m (mesopelagic) water depth for one year. During this period we monitored the development and succession of the bacterial biofilms colonizing the oil films by 16S rRNA gene amplicon quantification and sequencing, and the progression of oil biodegradation by gas chromatography - mass spectrometry oil fingerprinting analysis. The removal of hydrocarbons was significantly different, with several polycyclic aromatic hydrocarbons showing longer half-life times in the epipelagic than in the mesopelagic zone. Bacterial community composition and density (16S rRNA genes/ cm2) significantly differed between the two zones, with total bacteria reaching to log-fold higher densities (16S rRNA genes/cm2) in the mesopelagic than epipelagic oil-coated absorbents. Consequently, the environmental conditions in the epipelagic zone limited oil biodegradation performance by limiting bacterial growth.
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Affiliation(s)
- Ioannis D Kampouris
- Arctic Research Centre, Department of Biology, Aarhus University, Aarhus, Denmark; Section for Aquatic Biology, Department of Biology, Aarhus University, Aarhus, Denmark.
| | - Grundger Friederike Gründger
- Arctic Research Centre, Department of Biology, Aarhus University, Aarhus, Denmark; Section for Aquatic Biology, Department of Biology, Aarhus University, Aarhus, Denmark
| | - Jan H Christensen
- Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Copenhagen, Denmark
| | - Charles W Greer
- National Research Council Canada, Energy, Mining and Environment Research Centre, Montreal, Canada
| | - Kasper Urup Kjeldsen
- Section for Microbiology, Department of Biology, Aarhus University, Aarhus, Denmark
| | - Wieter Boone
- Flanders Marine Institute, 8400 Oostende, Belgium
| | - Lorenz Meire
- Department of Estuarine and Delta Systems, Royal Netherlands Institute of Sea Research, Yerseke 4401 NT, the Netherlands; Greenland Climate Research Centre, Greenland Institute of Natural Resources, Nuuk 3900, Greenland
| | - Søren Rysgaard
- Arctic Research Centre, Department of Biology, Aarhus University, Aarhus, Denmark; Section for Aquatic Biology, Department of Biology, Aarhus University, Aarhus, Denmark; Centre for Earth Observation Science, University of Manitoba, Winnipeg, MB, Canada
| | - Leendert Vergeynst
- Arctic Research Centre, Department of Biology, Aarhus University, Aarhus, Denmark; Centre for Water Technology (WATEC), Department of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark.
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Gomes A, Christensen JH, Gründger F, Kjeldsen KU, Rysgaard S, Vergeynst L. Biodegradation of water-accommodated aromatic oil compounds in Arctic seawater at 0 °C. Chemosphere 2022; 286:131751. [PMID: 34399257 DOI: 10.1016/j.chemosphere.2021.131751] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [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: 12/23/2020] [Revised: 06/28/2021] [Accepted: 07/30/2021] [Indexed: 06/13/2023]
Abstract
Oil spills in Arctic marine environments are expected to increase concurrently with the expansion of shipping routes and petroleum exploitation into previously inaccessible ice-dominated regions. Most research on oil biodegradation focusses on the bulk oil, but the fate of the water-accommodated fraction (WAF), mainly composed of toxic aromatic compounds, is largely underexplored. To evaluate the bacterial degradation capacity of such dissolved aromatics in Greenlandic seawater, microcosms consisting of 0 °C seawater polluted with WAF were investigated over a 3-month period. With a half-life (t1/2) of 26 days, m-xylene was the fastest degraded compound, as measured by gas chromatography - mass spectrometry. Substantial slower degradation was observed for ethylbenzene, naphthalenes, phenanthrene, acenaphthylene, acenaphthene and fluorenes with t1/2 of 40-105 days. Colwellia, identified by 16S rRNA gene sequencing, was the main potential degrader of m-xylene. This genus occupied up to 47 % of the bacterial community until day 10 in the microcosms. Cycloclasticus and Zhongshania aliphaticivorans, potentially utilizing one-to three-ringed aromatics, replaced Colwellia between day 10 and 96 and occupied up to 6 % and 23 % of the community, respectively. Although most of the WAF can ultimately be eliminated in microcosms, our results suggest that the restoration of an oil-impacted Arctic environment may be slow as most analysed compounds had t1/2 of over 2-3 months and the detrimental effects of a spill towards the marine ecosystem likely persist during this time.
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Affiliation(s)
- Ana Gomes
- Arctic Research Centre, Department of Biology, Aarhus University, Aarhus, Denmark; Department of Biology, University of Aveiro, Aveiro, Portugal
| | - Jan H Christensen
- Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Copenhagen, Denmark
| | - Friederike Gründger
- Arctic Research Centre, Department of Biology, Aarhus University, Aarhus, Denmark
| | - Kasper Urup Kjeldsen
- Section for Microbiology, Department of Bioscience, Aarhus University, Aarhus, Denmark
| | - Søren Rysgaard
- Arctic Research Centre, Department of Biology, Aarhus University, Aarhus, Denmark; Centre for Earth Observation Science, CHR Faculty of Environment Earth and Resources, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Leendert Vergeynst
- Arctic Research Centre, Department of Biology, Aarhus University, Aarhus, Denmark; Aarhus University Centre for Water Technology (WATEC), Department of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark.
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5
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Lofthus S, Bakke I, Greer CW, Brakstad OG. Biodegradation of weathered crude oil by microbial communities in solid and melted sea ice. Mar Pollut Bull 2021; 172:112823. [PMID: 34454387 DOI: 10.1016/j.marpolbul.2021.112823] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 11/24/2020] [Revised: 08/01/2021] [Accepted: 08/02/2021] [Indexed: 06/13/2023]
Abstract
Oil spilled in the Arctic may drift into ice-covered areas and become trapped until the ice melts. To determine if exposure to oil during freezing may have a priming effect on degradation of the oil, weathered dispersed oil (2-3 mg/L) was frozen into solid ice for 200 days at -10 °C, then melted and incubated for 64 days at 4 °C. No degradation was measured in oil frozen into ice prior to melting. Both total amount of oil and target compounds were biotransformed by the microbial community from the melted ice. However, oil released from melted ice was degraded at a slower rate than oil incubated in fresh seawater at the same temperature (4 °C), and by a different microbial community. These data suggest negligible biodegradation of oil frozen in sea ice, while oil-degrading bacteria surviving in the ice may contribute to biodegradation when the ice melts.
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Affiliation(s)
- Synnøve Lofthus
- Norwegian University of Science and Technology, Department of Biotechnology and Food Science, Trondheim, Norway; SINTEF Ocean AS, Climate and Environment, Trondheim, Norway.
| | - Ingrid Bakke
- Norwegian University of Science and Technology, Department of Biotechnology and Food Science, Trondheim, Norway
| | - Charles W Greer
- National Research Council Canada, Energy, Mining and Environment Centre, Montreal, Quebec, Canada
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Cao Y, Zhang B, Zhu Z, Rostami M, Dong G, Ling J, Lee K, Greer CW, Chen B. Access-dispersion-recovery strategy for enhanced mitigation of heavy crude oil pollution using magnetic nanoparticles decorated bacteria. Bioresour Technol 2021; 337:125404. [PMID: 34139564 DOI: 10.1016/j.biortech.2021.125404] [Citation(s) in RCA: 3] [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: 05/04/2021] [Revised: 06/04/2021] [Accepted: 06/09/2021] [Indexed: 06/12/2023]
Abstract
Heavy crude oil (HCO) pollution has gained global attention, but traditional bioremediating practices demonstrate limited effectiveness. This study developed magnetic nanoparticles decorated bacteria (MNPB) using an oil-degrading and biosurfactant-producing Rhodococcus erythropolis species and identified a novel access-dispersion-recovery strategy for enhanced HCO pollution mitigation. The strategy entails (1) magnetic navigation of the MNPB towards HCO layer, (2) enhanced oil dispersion and formation of suspended oil-bacteria aggregates, and (3) magnetic recovery of these aggregates. The UV-spectrophotometer analysis showed that this strategy can enable up to 62% removal of HCO. The GC-MS analysis demonstrated that the MNPB enhanced the degradation of low-molecular-weight aromatics comparing with the pure bacteria, and the recovery process further removed oil-bacteria aggregates and entrained high-molecular-weight aromatics. The feasibility of using MNPB to mitigate HCO pollution could shed light on the emerging bioremediation applications.
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Affiliation(s)
- Yiqi Cao
- The Northern Region Persistent Organic Pollution (NRPOP) Control Laboratory, Faculty of Engineering and Applied Science, Memorial University, St. John's, NL A1B 3X5, Canada
| | - Baiyu Zhang
- The Northern Region Persistent Organic Pollution (NRPOP) Control Laboratory, Faculty of Engineering and Applied Science, Memorial University, St. John's, NL A1B 3X5, Canada.
| | - Zhiwen Zhu
- The Northern Region Persistent Organic Pollution (NRPOP) Control Laboratory, Faculty of Engineering and Applied Science, Memorial University, St. John's, NL A1B 3X5, Canada
| | - Masoumeh Rostami
- The Northern Region Persistent Organic Pollution (NRPOP) Control Laboratory, Faculty of Engineering and Applied Science, Memorial University, St. John's, NL A1B 3X5, Canada
| | - Guihua Dong
- The Northern Region Persistent Organic Pollution (NRPOP) Control Laboratory, Faculty of Engineering and Applied Science, Memorial University, St. John's, NL A1B 3X5, Canada
| | - Jingjing Ling
- The Northern Region Persistent Organic Pollution (NRPOP) Control Laboratory, Faculty of Engineering and Applied Science, Memorial University, St. John's, NL A1B 3X5, Canada
| | - Kenneth Lee
- Fisheries and Oceans Canada, Ecosystem Science, Ottawa, ON K1A 0E6, Canada
| | - Charles W Greer
- National Research Council Canada, Energy, Mining and Environment Research Centre, Montreal, QC H4P 2R2, Canada
| | - Bing Chen
- The Northern Region Persistent Organic Pollution (NRPOP) Control Laboratory, Faculty of Engineering and Applied Science, Memorial University, St. John's, NL A1B 3X5, Canada
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Ma M, Gao W, Li Q, Han B, Zhu A, Yang H, Zheng L. Biodiversity and oil degradation capacity of oil-degrading bacteria isolated from deep-sea hydrothermal sediments of the South Mid-Atlantic Ridge. Mar Pollut Bull 2021; 171:112770. [PMID: 34492563 DOI: 10.1016/j.marpolbul.2021.112770] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [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: 02/24/2021] [Revised: 07/21/2021] [Accepted: 07/23/2021] [Indexed: 06/13/2023]
Abstract
Studies have reported that various hydrocarbons and hydrocarbon-degrading bacteria are found in global deep-sea hydrothermal regions. However, little is known about degradation characteristics of culturable hydrocarbon-degrading bacteria from these regions. We speculate that these bacteria can be used as resources for the bioremediation of oil pollution. In this study, six oil-degrading consortia were obtained from the hydrothermal region of the Southern Mid-Atlantic Ridge through room-temperature enrichment experiments. The dominant oil-degrading bacteria belonged to Nitratireductor, Pseudonocardia, Brevundimonas and Acinetobacter. More varieties of hydrocarbon-degrading bacteria were obtained from sediments (preserved at 4 °C) near hydrothermal vents. Most strains had the ability to degrade high molecular weight petroleum components. In addition, Pseudonocardia was shown to exhibit a high degradation ability for phytane and pristine for the first time. This study may provide new insights into the community structure and biodiversity of culturable oil-degrading bacteria in deep-sea hydrothermal regions.
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Affiliation(s)
- Meng Ma
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Wei Gao
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China.
| | - Qian Li
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Bin Han
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; Laboratory for Marine Ecology and Environmental Science, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266071, China
| | - Aimei Zhu
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Huanghao Yang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Li Zheng
- Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; Laboratory for Marine Ecology and Environmental Science, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266071, China.
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8
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Shaikhulova S, Fakhrullina G, Nigamatzyanova L, Akhatova F, Fakhrullin R. Worms eat oil: Alcanivorax borkumensis hydrocarbonoclastic bacteria colonise Caenorhabditis elegans nematodes intestines as a first step towards oil spills zooremediation. Sci Total Environ 2021; 761:143209. [PMID: 33160671 DOI: 10.1016/j.scitotenv.2020.143209] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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: 08/30/2020] [Revised: 10/09/2020] [Accepted: 10/20/2020] [Indexed: 06/11/2023]
Abstract
The environmental hazards of oil spills cannot be underestimated. Bioremediation holds promise among various approaches to tackle oil spills in soils and sediments. In particular, using oil-degrading bacteria is an efficient and self-regulating way to remove oil spills. Using animals for oil spills remediation is in its infancy, mostly due to the lack of efficient oil-degrading capabilities in eukaryotes. Here we show that Caenorhabditis elegans nematodes survive for extended periods (up to 22 days) on pure crude oil diet. Moreover, we report for the first time the use of Alcanivorax borkumensis hydrocarbonoclastic bacteria for colonisation of C. elegans intestines, which allows for effective digestion of crude oil by the nematodes. The worms fed and colonised by A. borkumensis demonstrated the similar or even better longevity, resistance against oxidative and thermal stress and reproductivity as those animals fed with Escherichia coli bacteria (normal food). Importantly, A. borkumensis-carrying nematodes were able to accumulate oil droplet from oil-contaminated soils. Artificial colonisation of soil invertebrates with oil-degrading bacteria will be an efficient way to distribute microorganisms in polluted soil, thus opening new avenues for oil spills zooremediation.
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Affiliation(s)
- Särbinaz Shaikhulova
- Bionanotechnology Lab, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kreml uramı 18, Kazan 420008, Republic of Tatarstan, Russian Federation
| | - Gӧlnur Fakhrullina
- Bionanotechnology Lab, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kreml uramı 18, Kazan 420008, Republic of Tatarstan, Russian Federation
| | - Läysän Nigamatzyanova
- Bionanotechnology Lab, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kreml uramı 18, Kazan 420008, Republic of Tatarstan, Russian Federation
| | - Farida Akhatova
- Bionanotechnology Lab, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kreml uramı 18, Kazan 420008, Republic of Tatarstan, Russian Federation
| | - Rawil Fakhrullin
- Bionanotechnology Lab, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kreml uramı 18, Kazan 420008, Republic of Tatarstan, Russian Federation.
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Park BS, Erdner DL, Bacosa HP, Liu Z, Buskey EJ. Potential effects of bacterial communities on the formation of blooms of the harmful dinoflagellate Prorocentrum after the 2014 Texas City "Y" oil spill (USA). Harmful Algae 2020; 95:101802. [PMID: 32439059 DOI: 10.1016/j.hal.2020.101802] [Citation(s) in RCA: 4] [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: 01/02/2020] [Revised: 03/30/2020] [Accepted: 04/02/2020] [Indexed: 06/11/2023]
Abstract
The association between phytoplankton blooms and oil spills is still controversial despite numerous studies. Surprisingly, to date, there have been no studies on the effect of bacterial communities (BCs) exposed to crude oil on phytoplankton growth, even though crude oil changes BCs, which can then affect phytoplankton growth and species composition. Co-culture with crude oil-exposed BCs significantly stimulated the growth of Prorocentrum texanum in the laboratory. To gain more direct evidence, oil-degrading bacteria from oil-contaminated sediment collected after the Texas City "Y" oil spill were isolated, and changes in dinoflagellate growth when co-cultured with single bacterial isolates was investigated. The oil-degrading bacterial isolates significantly stimulated the growth of dinoflagellates (axenic and xenic cultures) through releasing growth-promoting substances. This study provides new evidence for the potential role of oil-degrading bacteria in the formation of phytoplankton blooms after an oil spill.
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Affiliation(s)
- Bum Soo Park
- Marine Science Institute, University of Texas at Austin, Port Aransas, TX 78373, USA; Marine Ecosystem Research Center, Korea Institute of Ocean Science and Technology, Busan 49111, South Korea.
| | - Deana L Erdner
- Marine Science Institute, University of Texas at Austin, Port Aransas, TX 78373, USA
| | - Hernando P Bacosa
- Marine Science Institute, University of Texas at Austin, Port Aransas, TX 78373, USA
| | - Zhanfei Liu
- Marine Science Institute, University of Texas at Austin, Port Aransas, TX 78373, USA
| | - Edward J Buskey
- Marine Science Institute, University of Texas at Austin, Port Aransas, TX 78373, USA
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Peng C, Tang Y, Yang H, He Y, Liu Y, Liu D, Qian Y, Lu L. Time- and compound-dependent microbial community compositions and oil hydrocarbon degrading activities in seawater near the Chinese Zhoushan Archipelago. Mar Pollut Bull 2020; 152:110907. [PMID: 31957682 DOI: 10.1016/j.marpolbul.2020.110907] [Citation(s) in RCA: 16] [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: 10/07/2019] [Revised: 01/03/2020] [Accepted: 01/10/2020] [Indexed: 06/10/2023]
Abstract
Marine microorganisms play an irreplaceable role in removing spilled oil. Zhoushan archipelago has one of the busiest ports and oil stockpiles in China. However, little is known about which and how fast oil-degrading microorganisms could biodegrade spilled oil here. By combining 14C-/3H-based radiotracer assays and MiSeq sequencing, we report the successive pattern of microbial oil-degrading activities and community compositions. The biodegradation rates of alkanes and PAHs (Polycyclic Aromatic Hydrocarbons) were significantly stimulated by oil addition, and reached their maximum after incubation for 3 and 7 days, respectively. Meanwhile, the abundances of alkB and phnAc genes increased and the bacterial communities continuously shifted. Potential oil-degrading bacteria Alcanivorax, Erythrobacter were the dominant degraders by day 3, whereas the dominant degraders shifted to C1-B045, Alteromonas, Pseudohongiella in the later period. These results provide valuable insights into the cooperative system of the versatile oil-degrading bacteria in successively biodegrading complex oil hydrocarbons in oil spills.
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Affiliation(s)
- Chao Peng
- College of Life Sciences, China West Normal University, Nanchong 637002, China; Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637002, China
| | - Yun Tang
- College of Life Sciences, China West Normal University, Nanchong 637002, China.
| | - Hong Yang
- College of Life Sciences, China West Normal University, Nanchong 637002, China
| | - Yan He
- College of Life Sciences, China West Normal University, Nanchong 637002, China
| | - Yan Liu
- College of Environmental Science and Engineering, China West Normal University, Nanchong 637009, China
| | - Dan Liu
- College of Life Sciences, China West Normal University, Nanchong 637002, China
| | - Yongming Qian
- College of Environmental Science and Engineering, China West Normal University, Nanchong 637009, China
| | - Lu Lu
- College of Environmental Science and Engineering, China West Normal University, Nanchong 637009, China..
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11
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Hernández-López EL, Gasperin J, Bernáldez-Sarabia J, Licea-Navarro AF, Guerrero A, Lizárraga-Partida ML. Detection of Alcanivorax spp., Cycloclasticus spp., and Methanomicrobiales in water column and sediment samples in the Gulf of Mexico by qPCR. Environ Sci Pollut Res Int 2019; 26:35131-35139. [PMID: 31680200 PMCID: PMC6900280 DOI: 10.1007/s11356-019-06551-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 09/16/2019] [Indexed: 06/10/2023]
Abstract
Water column and sediment samples were collected in the southern Gulf of Mexico (GoMex) during 3 oceanographic cruises: XIXIMI-04 (September 2015), XIXIMI-05 (June 2016), and XIXIMI-06 (August 2017). DNA that was extracted from the samples was analyzed by qPCR to detect and quantify bacterial groups that have been reported to metabolize alkanes (Alcanivorax) and aromatic hydrocarbons (Cycloclasticus) and are involved in methane production (Methanomicrobiales). The results were then analyzed with regard to the water masses that are currently detected in the GoMex. Generally, we observed a decrease in the proportion of Alcanivorax and a rise in those of Cycloclasticus and Methanomicrobiales in samples from the surface to deep waters and in sediment samples. Scatterplots of the results showed that the relative abundance of the 3 groups was higher primarily from the surface to 1000 m, but the levels of Cycloclasticus and Methanomicrobiales were high in certain water samples below 1000 m and in sediments. In conclusion, oil-degrading bacteria are distributed widely from the surface to deep waters and sediments throughout the southern GoMex, representing a potential inoculum of bacteria for various hydrocarbon fractions that are ready for proliferation and degradation in the event of an oil spill from the seafloor or along the water column.
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Affiliation(s)
- Edna L Hernández-López
- Centro de Investigación Científica y de Educación Superior de Ensenada, Carretera Ensenada-Tijuana 3918, zona Playitas, 22860, Ensenada, Baja California, México
| | - Jahaziel Gasperin
- Centro de Investigación Científica y de Educación Superior de Ensenada, Carretera Ensenada-Tijuana 3918, zona Playitas, 22860, Ensenada, Baja California, México
| | - Johanna Bernáldez-Sarabia
- Centro de Investigación Científica y de Educación Superior de Ensenada, Carretera Ensenada-Tijuana 3918, zona Playitas, 22860, Ensenada, Baja California, México
| | - Alexei F Licea-Navarro
- Centro de Investigación Científica y de Educación Superior de Ensenada, Carretera Ensenada-Tijuana 3918, zona Playitas, 22860, Ensenada, Baja California, México
| | - Abraham Guerrero
- Centro de Investigación Científica y de Educación Superior de Ensenada, Carretera Ensenada-Tijuana 3918, zona Playitas, 22860, Ensenada, Baja California, México
| | - Marcial Leonardo Lizárraga-Partida
- Centro de Investigación Científica y de Educación Superior de Ensenada, Carretera Ensenada-Tijuana 3918, zona Playitas, 22860, Ensenada, Baja California, México.
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12
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Zhang Y, Gao W, Lin F, Han B, He C, Li Q, Gao X, Cui Z, Sun C, Zheng L. Study on immobilization of marine oil-degrading bacteria by carrier of algae materials. World J Microbiol Biotechnol 2018; 34:70. [PMID: 29777442 DOI: 10.1007/s11274-018-2438-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [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: 07/14/2017] [Accepted: 03/22/2018] [Indexed: 11/24/2022]
Abstract
This study investigated the immobilizations with of bacteria two kinds of algal materials, Enteromorpha residue and kelp residue. The lipophilicity of them were compared by diesel absorption rates. The immobilization efficiency of Bacillus sp. E3 was measured to evaluate whether these carriers would satisfy the requirement for biodegradation of oil spills. The bacteria were immobilized through adsorption with the sterilized and non-sterilized carriers to compare the differences between the two treatments. Oil degradation rates were determined using gravimetric and GC-MS methods. Results showed the absorption rates of Enteromorpha residue and kelp residue for diesel were 411 and 273% respectively and remained approximately 105 and 120% after 2 h of erosion in simulated seawater system. After immobilized of Bacillus sp. E3, the oil degradation rates of them were higher than 65% after 21 days biodegradations. GC-MS analysis showed that two immobilizations degraded higher than 70% of the total alkane and the total PAHs, whereas the free bacteria degraded 63% of the total alkane and 66% the total PAHs. And the bacteria immobilized with the carriers degraded more HMW-alkanes and HMW-PAHs than the free bacteria. The bacteria immobilized by non-sterilized kelp residue showed a considerably higher degradation rate than that using sterilized kelp residue. A considerably higher cells absorption rate of immobilization was obtained when using kelp residue, and the preparation of immobilization was low cost and highly efficient. The experiments show the two algae materials, especially the kelp residue, present potential application in bioremediation of marine oil spills.
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Affiliation(s)
- Yiran Zhang
- Key Laboratory for Marine Bioactive Substances and Modern Analytical Technology of the First Institute of Oceanography, State Oceanic Administration of China, Qingdao, China
| | - Wei Gao
- Key Laboratory for Marine Bioactive Substances and Modern Analytical Technology of the First Institute of Oceanography, State Oceanic Administration of China, Qingdao, China
- College of Marine Life, Ocean University of China, Qingdao, China
| | - Faxiang Lin
- Key Laboratory for Marine Bioactive Substances and Modern Analytical Technology of the First Institute of Oceanography, State Oceanic Administration of China, Qingdao, China
- College of Chemical, Qingdao University of Science and Technology, Qingdao, China
| | - Bin Han
- Key Laboratory for Marine Bioactive Substances and Modern Analytical Technology of the First Institute of Oceanography, State Oceanic Administration of China, Qingdao, China
| | - Changfei He
- Key Laboratory for Marine Bioactive Substances and Modern Analytical Technology of the First Institute of Oceanography, State Oceanic Administration of China, Qingdao, China
| | - Qian Li
- Key Laboratory for Marine Bioactive Substances and Modern Analytical Technology of the First Institute of Oceanography, State Oceanic Administration of China, Qingdao, China
| | - Xiangxing Gao
- National Deep Sea Base Management Center, Qingdao, China
| | - Zhisong Cui
- Key Laboratory for Marine Bioactive Substances and Modern Analytical Technology of the First Institute of Oceanography, State Oceanic Administration of China, Qingdao, China
| | - Chengjun Sun
- Key Laboratory for Marine Bioactive Substances and Modern Analytical Technology of the First Institute of Oceanography, State Oceanic Administration of China, Qingdao, China
- Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
| | - Li Zheng
- Key Laboratory for Marine Bioactive Substances and Modern Analytical Technology of the First Institute of Oceanography, State Oceanic Administration of China, Qingdao, China.
- Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China.
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Størdal IF, Olsen AJ, Jenssen BM, Netzer R, Altin D, Brakstad OG. Biotransformation of petroleum hydrocarbons and microbial communities in seawater with oil dispersions and copepod feces. Mar Pollut Bull 2015; 101:686-693. [PMID: 26494249 DOI: 10.1016/j.marpolbul.2015.10.029] [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: 05/18/2015] [Revised: 10/07/2015] [Accepted: 10/11/2015] [Indexed: 06/05/2023]
Abstract
To determine biotransformation of components in crude oil dispersions in the presence of feces from marine copepods, dispersed oil was incubated alone, with the addition of clean or oil-containing feces. We hypothesized that the feces would contribute with nutrients to bacteria, and higher concentrations of oil-degrading bacteria, respectively. Presence of clean feces resulted in higher degradation of aromatic oil compounds, but lower degradation of n-alkanes. Presence of oil-containing feces resulted in higher degradation of n-alkanes. The effect of clean feces on aromatic compounds are suggested to be due to higher concentrations of nutrients in the seawater where aromatic degradation takes place, while the lower degradation of n-alkanes are suggested to be due to a preference by bacteria for feces over these compounds. Large aggregates were observed in oil dispersions with clean feces, which may cause sedimentation of un-weathered lipophilic oil compounds towards the seafloor if formed during oil spills.
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Affiliation(s)
- Ingvild Fladvad Størdal
- Department of Biology, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway.
| | - Anders Johny Olsen
- Department of Biology, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway
| | - Bjørn Munro Jenssen
- Department of Biology, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway
| | - Roman Netzer
- SINTEF Materials and Chemistry, Environmental Technology, NO-7465 Trondheim, Norway
| | | | - Odd Gunnar Brakstad
- SINTEF Materials and Chemistry, Environmental Technology, NO-7465 Trondheim, Norway
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14
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Størdal IF, Olsen AJ, Jenssen BM, Netzer R, Hansen BH, Altin D, Brakstad OG. Concentrations of viable oil-degrading microorganisms are increased in feces from Calanus finmarchicus feeding in petroleum oil dispersions. Mar Pollut Bull 2015; 98:69-77. [PMID: 26164782 DOI: 10.1016/j.marpolbul.2015.07.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [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: 05/22/2015] [Revised: 07/01/2015] [Accepted: 07/03/2015] [Indexed: 06/04/2023]
Abstract
Zooplankton are suggested to be biotic contributors to the transport and weathering of oil in marine environments due to their ingestion of oil. In the present experiment, feeding activity and microbial communities in feces from Calanus finmarchicus feeding in oil dispersions were characterized. Feeding activity was significantly reduced in oil dispersions. The microbial communities in clean and oil-containing copepod feces were dominated by Rhodobacteraceae family bacteria (Lesingera, Phaeobacter, Rugeria, and Sulfitobacter), which were suggested to be indigenous to copepod feces. The results also indicated that these bacteria were metabolizing oil compounds, as a significant increase in the concentrations of viable oil degrading microorganisms was observed in oil-containing feces. This study shows that bacteria in feces from copepods feeding in dilute oil dispersions have capacity for degradation of oil. Zooplankton may therefore contribute to weathering of oil by excreting feces with microbial communities already adapted to degradation of oil.
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Affiliation(s)
- Ingvild Fladvad Størdal
- Department of Biology, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway.
| | - Anders Johny Olsen
- Department of Biology, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway
| | - Bjørn Munro Jenssen
- Department of Biology, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway
| | - Roman Netzer
- SINTEF Materials and Chemistry, Environmental Technology, NO-7465 Trondheim, Norway
| | - Bjørn Henrik Hansen
- SINTEF Materials and Chemistry, Environmental Technology, NO-7465 Trondheim, Norway
| | | | - Odd Gunnar Brakstad
- SINTEF Materials and Chemistry, Environmental Technology, NO-7465 Trondheim, Norway
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15
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Peng L, Bao M, Wang Q, Wang F, Su H. The anaerobic digestion of biologically and physicochemically pretreated oily wastewater. Bioresour Technol 2014; 151:236-243. [PMID: 24240183 DOI: 10.1016/j.biortech.2013.10.056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [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: 08/11/2013] [Revised: 10/09/2013] [Accepted: 10/15/2013] [Indexed: 06/02/2023]
Abstract
To enhance the degradation of oily wastewater and its biogas production, a biological-physicochemical pretreatment was introduced prior to the anaerobic digestion system. The digestion thereafter proceeded more efficiently due to the inoculation by oil degrading bacteria (Bacillus). A 2-stage pre-mixing is more effective than directly mixing. The effects on the methane production were also investigated by pre-treatment with ultrasonic (US) treatment, combined with citric acid (CA) addition. US pre-treatment was found to improve the initial methane production, and CA pre-treatment could maintain this improvement during the whole digestion stage. Pre-mixing Bacillus at 9 wt.% inoculation, combined with US for 10 min and a CA concentration of 500 mg/L provided the optimum conditions. The most effective enhancement of methane yield was 1100.46 ml/g VS, exceeding that of the control by 280%. The change of coenobium shape and fatty acid content further proved that such pretreatment of oily wastewater can facilitate digestion.
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Affiliation(s)
- Liyu Peng
- Beijing Key Laboratory of Bioprocess, Beijing University of Chemical Technology, Beijing 100029, PR China
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