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Kushwaha A, Goswami L, Kim BS, Lee SS, Pandey SK, Kim KH. Constructed wetlands for the removal of organic micropollutants from wastewater: Current status, progress, and challenges. CHEMOSPHERE 2024; 360:142364. [PMID: 38768790 DOI: 10.1016/j.chemosphere.2024.142364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 05/12/2024] [Accepted: 05/16/2024] [Indexed: 05/22/2024]
Abstract
In this work, the practical utility of constructed wetlands (CWs) is described as a promising treatment option for micropollutants (MPs) in wastewater with the aid of their eco-friendly, low-energy, economically feasible, and ecologically sustainable nature. This paper offers a comprehensive review on CW technology with respect to the key strategies for MP removal such as phytoremediation, substrate adsorption, and microbial degradation. It explores the important factors controlling the performance of CWs (e.g., in terms of configurations, substrates, plant-microbe interactions, temperature, pH, oxygen levels, hydraulic loading rate, and retention time) along with the discussions on the pivotal role of microbial populations in CWs and plant-microbe cooperative remediation dynamics, particularly in relation to diverse organic MP patterns in CWs. As such, this review aims to provide valuable insights into the key strategies for optimizing MP treatment and for enhancing the efficacy of CW systems. In addition, the process-based models of constructed wetlands along with the numerical simulations based on the artificial neural network (ANN) method are also described in association with the data exploratory techniques. This work is thus expected to help open up new possibilities for the application of plant-microbe cooperative remediation approaches against diverse patterns of organic MPs present in CWs.
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Affiliation(s)
- Anamika Kushwaha
- Department of Chemical Engineering, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Lalit Goswami
- Department of Chemical Engineering, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Beom Soo Kim
- Department of Chemical Engineering, Chungbuk National University, Cheongju, Chungbuk, 28644, Republic of Korea
| | - Sang Soo Lee
- Department of Environmental & Energy Engineering, Yonsei University, Wonju, 26493, Republic of Korea
| | - Sudhir Kumar Pandey
- Department of Botany, Guru Ghasidas Vishwavidyalaya (a central University) Bilaspur, Chhattisgarh, 495009, India
| | - Ki-Hyun Kim
- Department of Civil & Environmental Engineering, Hanyang University, Seoul, 04763, Republic of Korea.
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Campanale C, Triozzi M, Losacco D, Ragonese A, Massarelli C. Assessing glyphosate and AMPA pesticides in the Ofanto River waters and sediments. MARINE POLLUTION BULLETIN 2024; 202:116376. [PMID: 38636342 DOI: 10.1016/j.marpolbul.2024.116376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 04/12/2024] [Accepted: 04/12/2024] [Indexed: 04/20/2024]
Abstract
In the present study, we determined glyphosate (GPS) and aminomethylphosphonic acid (AMPA) in the water and sediments of the Ofanto River (Italy), evaluating their transport from the mouth to the sea. Sediments were collected twice in 2021 during low and high tide; waters were sampled on a seasonal basis. The results showed the prevalence of GPS and AMPA in the water with concentrations equal to 190 and 3053 ng/l, respectively. We also found GPS and AMPA in the sediments with values of 0.95 and 11.34 ng/g. In water, pesticides were detected in all seasons with peaks in concentrations during summer and spring. A significant positive correlation between the pesticides in the sediments and the water pH and a negative correlation with salinity was observed. An estimation of the average loads revealed a discharge of 64.11 kg/yr. of GPS and 958.37 kg/yr. of AMPA from the river to the marine environment.
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Affiliation(s)
- Claudia Campanale
- Department of Environment and Health, Istituto Supeiore di Sanità, Rome, Italy.
| | - Mariangela Triozzi
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Ricerca Sulle Acque (IRSA), Bari, Italy
| | - Daniela Losacco
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Ricerca Sulle Acque (IRSA), Bari, Italy
| | - Annamaria Ragonese
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Ricerca Sulle Acque (IRSA), Bari, Italy
| | - Carmine Massarelli
- Consiglio Nazionale delle Ricerche (CNR), Istituto di Ricerca Sulle Acque (IRSA), Bari, Italy
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3
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Bodean MF, Regaldo L, Mayora G, Mora C, Giri F, Gervasio S, Popielarz A, Repetti MR, Licursi M. Effects of herbicides and fertilization on biofilms of Pampean lotic systems: A microcosm study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170238. [PMID: 38280601 DOI: 10.1016/j.scitotenv.2024.170238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/02/2023] [Accepted: 01/15/2024] [Indexed: 01/29/2024]
Abstract
We experimentally assessed the impact of the application of herbicides and fertilizers derived from agricultural activity through the individual and simultaneous addition of glyphosate, atrazine, and nutrients (nitrogen 'N' and phosphorus 'P') on the biofilm community and their resilience when the experimental factors were removed. We hypothesize that i) the presence of agrochemicals negatively affects the biofilm community leading to the simplification of the community structure; ii) the individual or simultaneous addition of herbicides and nutrients produces differential responses in the biofilm; and iii) the degree of biofilm recovery differs according to the treatment applied. Environmentally relevant concentrations of glyphosate (0.7 mgL-1), atrazine (44 μgL-1), phosphorus (1 mg P L-1 [KH2PO4]), and nitrogen (3 mg N L-1[NaNO3]) were used. Chlorophyll a, ash-free dry weight, abundance of main biofilm groups and nutrient contents in biofilm were analyzed. At initial exposure time, all treatments were dominated by Cyanobacteria; through the exposure period, it was observed a progressive replacement by Bacillariophyceae. This replacement occurred on day 3 for the control and was differentially delayed in all herbicides and/or nutrient treatments in which the abundance of cyanobacteria remains significant yet in T5. A significant correlation was observed between the abundance of cyanobacteria and the concentration of atrazine, suggesting that this group is less sensitive than diatoms. The presence of agrochemicals exerted differential effects on the different algal groups. Herbicides contributed to phosphorus and nitrogen inputs. The most frequently observed interactions between experimental factors (nutrients and herbicides) was additivity excepting for species richness (antagonistic effect). In the final recovery time, no significant differences were found between the treatments and the control in most of the evaluated parameters, evincing the resilience of the community.
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Affiliation(s)
- María Florencia Bodean
- Instituto Nacional de Limnología 'INALI', Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional del Litoral (CONICET-UNL), Ciudad Universitaria, Santa Fe, Argentina
| | - Luciana Regaldo
- Facultad de Humanidades y Ciencias (FHUC, UNL-CONICET), Ciudad Universitaria, Santa Fe, Argentina
| | - Gisela Mayora
- Instituto Nacional de Limnología 'INALI', Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional del Litoral (CONICET-UNL), Ciudad Universitaria, Santa Fe, Argentina
| | - Celeste Mora
- Instituto Nacional de Limnología 'INALI', Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional del Litoral (CONICET-UNL), Ciudad Universitaria, Santa Fe, Argentina
| | - Federico Giri
- Instituto Nacional de Limnología 'INALI', Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional del Litoral (CONICET-UNL), Ciudad Universitaria, Santa Fe, Argentina; Facultad de Humanidades y Ciencias (FHUC, UNL-CONICET), Ciudad Universitaria, Santa Fe, Argentina
| | - Susana Gervasio
- Instituto Nacional de Tecnología (INTEC, CONICET - UNL), Parque Tecnológico Litoral Centro, Santa Fe, Argentina
| | - Andrea Popielarz
- Instituto Nacional de Tecnología (INTEC, CONICET - UNL), Parque Tecnológico Litoral Centro, Santa Fe, Argentina
| | | | - Magdalena Licursi
- Instituto Nacional de Limnología 'INALI', Consejo Nacional de Investigaciones Científicas y Técnicas - Universidad Nacional del Litoral (CONICET-UNL), Ciudad Universitaria, Santa Fe, Argentina.
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4
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Riedel R, Commichau FM, Benndorf D, Hertel R, Holzer K, Hoelzle LE, Mardoukhi MSY, Noack LE, Martienssen M. Biodegradation of selected aminophosphonates by the bacterial isolate Ochrobactrum sp. BTU1. Microbiol Res 2024; 280:127600. [PMID: 38211497 DOI: 10.1016/j.micres.2024.127600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 12/19/2023] [Accepted: 01/02/2024] [Indexed: 01/13/2024]
Abstract
Aminophosphonates, like glyphosate (GS) or metal chelators such as ethylenediaminetetra(methylenephosphonic acid) (EDTMP), are released on a large scale worldwide. Here, we have characterized a bacterial strain capable of degrading synthetic aminophosphonates. The strain was isolated from LC/MS standard solution. Genome sequencing indicated that the strain belongs to the genus Ochrobactrum. Whole-genome classification using pyANI software to compute a pairwise ANI and other metrics between Brucella assemblies and Ochrobactrum contigs revealed that the bacterial strain is designated as Ochrobactrum sp. BTU1. Degradation batch tests with Ochrobactrum sp. BTU1 and the selected aminophosphonates GS, EDTMP, aminomethylphosphonic acid (AMPA), iminodi(methylene-phosphonic) (IDMP) and ethylaminobis(methylenephosphonic) acid (EABMP) showed that the strain can use all phosphonates as sole phosphorus source during phosphorus starvation. The highest growth rate was achieved with AMPA, while EDTMP and GS were least supportive for growth. Proteome analysis revealed that GS degradation is promoted by C-P lyase via the sarcosine pathway, i.e., initial cleavage at the C-P bond. We also identified C-P lyase to be responsible for degradation of EDTMP, EABMP, IDMP and AMPA. However, the identification of the metabolite ethylenediaminetri(methylenephosphonic acid) via LC/MS analysis in the test medium during EDTMP degradation indicates a different initial cleavage step as compared to GS. For EDTMP, it is evident that the initial cleavage occurs at the C-N bond. The detection of different key enzymes at regulated levels, form the bacterial proteoms during EDTMP exposure, further supports this finding. This study illustrates that widely used and structurally more complex aminophosphonates can be degraded by Ochrobactrum sp. BTU1 via the well-known degradation pathways but with different initial cleavage strategy compared to GS.
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Affiliation(s)
- Ramona Riedel
- Chair of Biotechnology of Water Treatment Brandenburg, Institute of Environmental Technology, BTU Cottbus-Senftenberg, Cottbus, Germany.
| | - Fabian M Commichau
- FG Synthetic Microbiology, Institute for Biotechnology, BTU Cottbus-Senftenberg, Senftenberg, Germany; FG Molecular Microbiology, Institute for Biology, University of Hohenheim, Stuttgart, Germany
| | - Dirk Benndorf
- Applied Biosciences and Process Engineering, Anhalt University of Applied Sciences, Köthen, Germany; Chair of Bioprocess Engineering, Otto von Guericke University, Magdeburg, Germany; Bioprocess Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Magdeburg, Germany
| | - Robert Hertel
- FG Synthetic Microbiology, Institute for Biotechnology, BTU Cottbus-Senftenberg, Senftenberg, Germany; Department of Genomic and Applied Microbiology, Institute of Microbiology and Genetics, Georg-August-University of Göttingen, Göttingen, Germany
| | - Katharina Holzer
- Department of Livestock Infectiology and Environmental Hygiene, Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Ludwig E Hoelzle
- Department of Livestock Infectiology and Environmental Hygiene, Institute of Animal Science, University of Hohenheim, Stuttgart, Germany
| | - Mohammad Saba Yousef Mardoukhi
- Chair of Biotechnology of Water Treatment Brandenburg, Institute of Environmental Technology, BTU Cottbus-Senftenberg, Cottbus, Germany; FG Synthetic Microbiology, Institute for Biotechnology, BTU Cottbus-Senftenberg, Senftenberg, Germany; FG Molecular Microbiology, Institute for Biology, University of Hohenheim, Stuttgart, Germany
| | - Laura Emelie Noack
- Chair of Biotechnology of Water Treatment Brandenburg, Institute of Environmental Technology, BTU Cottbus-Senftenberg, Cottbus, Germany
| | - Marion Martienssen
- Chair of Biotechnology of Water Treatment Brandenburg, Institute of Environmental Technology, BTU Cottbus-Senftenberg, Cottbus, Germany
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Qu M, Cheng X, Xu Q, Zeng Z, Zheng M, Mei Y, Zhao J, Liu G. Fate of glyphosate in lakes with varying trophic levels and its modification by root exudates of submerged macrophytes. JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132757. [PMID: 37865072 DOI: 10.1016/j.jhazmat.2023.132757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 10/07/2023] [Accepted: 10/09/2023] [Indexed: 10/23/2023]
Abstract
Accelerated eutrophication in lakes reduces the number of submerged macrophytes and alters the residues of glyphosate and its degradation products. However, the effects of submerged macrophytes on the fate of glyphosate remain unclear. We investigated eight lakes with varying trophic levels along the middle and lower reaches of the Yangtze River in China, of which five lakes contained either glyphosate or aminomethylphosphate (AMPA). Glyphosate and AMPA residues were significantly positively correlated with the trophic levels of lakes (P < 0.01). In lakes, glyphosate is degraded through the AMPA and sarcosine pathways. Eight shared glyphosate-degrading enzymes and genes were observed in different lake sediments, corresponding to 44 degrading microorganisms. Glyphosate concentrations in sediments were significantly higher in lakes with lower abundances of soxA (sarcosine oxidase) and soxB (sarcosine oxidase) (P < 0.05). In the presence of submerged macrophytes, oxalic and malonic acids secreted by the roots of submerged macrophytes increased the abundance of glyphosate-degrading microorganisms containing soxA or soxB (P < 0.05). These results revealed that a decrease in the number of submerged macrophytes in eutrophic lakes may inhibit glyphosate degradation via the sarcosine pathway, leading to a decrease in glyphosate degradation and an increase in glyphosate residues.
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Affiliation(s)
- Mengjie Qu
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Xuan Cheng
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Qiang Xu
- School of Management and Economics, Beijing Institute of Technology, Beijing 100081, China
| | - Ziming Zeng
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Mingming Zheng
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Yunjun Mei
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Jianwei Zhao
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China.
| | - Guanglong Liu
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China.
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6
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Li L, Wang Y, Liu L, Gao C, Ru S, Yang L. Occurrence, ecological risk, and advanced removal methods of herbicides in waters: a timely review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:3297-3319. [PMID: 38095790 DOI: 10.1007/s11356-023-31067-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 11/12/2023] [Indexed: 01/19/2024]
Abstract
Coastal pollution caused by the importation of agricultural herbicides is one of the main environmental problems that directly affect the coastal primary productivity and even the safety of human seafood. It is urgent to evaluate the ecological risk objectively and explore feasible removal strategies. However, existing studies focus on the runoff distribution and risk assessment of specific herbicides in specific areas, and compared with soil environment, there are few studies on remediation methods for water environment. Therefore, we systematically reviewed the current situation of herbicide pollution in global coastal waters and the dose-response relationships of various herbicides on phytoplankton and higher trophic organisms from the perspective of ecological risks. In addition, we believe that compared with the traditional single physical and chemical remediation methods, biological remediation and its combined technology are the most promising methods for herbicide pollution remediation currently. Therefore, we focus on the application prospects, challenges, and management strategies of new bioremediation systems related to biology, such as constructed wetlands, membrane bioreactor processes, and microbial co-metabolism, in order to provide more advanced methods for reducing herbicide pollution in the water environment.
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Affiliation(s)
- Lingxiao Li
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Yunsheng Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Lijuan Liu
- Shandong Marine Resource and Environment Research Institute, Shandong Key Laboratory of Marine Ecological Restoration, Yantai, Shandong, China
| | - Chen Gao
- Shandong Marine Resource and Environment Research Institute, Shandong Key Laboratory of Marine Ecological Restoration, Yantai, Shandong, China
| | - Shaoguo Ru
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Liqiang Yang
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China.
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7
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Carvalho CR, Souza BCE, Bieluczyk W, Feitosa YB, Delbaje E, Camargo PB, Tsai SM, Fiore MF. Phosphonate consumers potentially contributing to methane production in Brazilian soda lakes. Extremophiles 2023; 28:4. [PMID: 37987855 DOI: 10.1007/s00792-023-01318-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 09/26/2023] [Indexed: 11/22/2023]
Abstract
Oxic methane production (OMP) has been reported to significantly contribute to methane emissions from oxic surface waters. Demethylation of organic compounds, photosynthesis-associated methane production, and (bacterio)chlorophyll reduction activity are some of the investigated mechanisms as potential OMP sources related to photosynthetic organisms. Recently, cyanobacteria have often been correlated with methane accumulation and emission in freshwater, marine, and saline systems. The Brazilian Pantanal is the world's largest wetland system, with approximately 10,000 shallow lakes, most of which are highly alkaline and saline extreme environments. We initiated this study with an overall investigation using genetic markers, from which we explored metagenomic and limnological data from the Pantanal soda for five potential OMP pathways. Our results showed a strong positive correlation between dissolved methane concentrations and bloom events. Metagenomic data and nutrients, mainly orthophosphate, nitrogen, iron, and methane concentrations, suggest that the organic phosphorous demethylation pathway has the most potential to drive OMP in lakes with blooms. A specialized bacterial community was identified, including the Cyanobacteria Raphidiopsis, although the bloom does not contain the genes to carry out this process. These data showed enough evidence to infer the occurrence of an OMP pathway at Pantanal soda lakes, including the microbial sources and their relation to the cyanobacterial blooms.
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Affiliation(s)
- C R Carvalho
- College of Agriculture 'Luiz de Queiroz', University of São Paulo, Piracicaba, São Paulo, Brazil
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - B C E Souza
- Department of Biological Sciences, State University of Feira de Santana, Feira de Santana, Bahia, Brazil
| | - W Bieluczyk
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Y B Feitosa
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - E Delbaje
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - P B Camargo
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - S M Tsai
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Marli F Fiore
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil.
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Fernandes G, Aparicio VC, De Gerónimo E, Prestes OD, Zanella R, Ebling E, Parisi PB, Mollmann VHDS, Reichert JM, Rheinheimer Dos Santos D. Epilithic biofilms as a discriminating matrix for long-term and growing season pesticide contamination in the aquatic environment: Emphasis on glyphosate and metabolite AMPA. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 900:166315. [PMID: 37604376 DOI: 10.1016/j.scitotenv.2023.166315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 08/10/2023] [Accepted: 08/12/2023] [Indexed: 08/23/2023]
Abstract
The indiscriminate use of pesticides represents high ecological risk in aquatic systems. Recently, the inclusion of epilithic biofilms as a reactive matrix has shown potential in diagnosing the health of water resources. The objective of this study was to use multiple matrices (water, suspended sediments, and biofilms) to discriminate contamination degrees in catchments with long and recent history of intensive pesticide use and to monitor growing season pesticides transfer to watercourses. Two catchments were monitored: one representative of "modern agriculture" in a subtropical environment, and another representative of recent agricultural expansion over the Pampa Biome in subtropical Brazil. Glyphosate and AMPA were accumulated in the biofilms and were detected at all sites and at all monitoring times, in concentrations ranging from 195 to 7673 μg kg-1 and from 225 to 4180 μg kg-1, respectively. Similarly, the fungicide tebuconazole has always been found in biofilms. The biofilms made it possible to discriminate the long-term history of pesticide use in the catchments and even to identify the influx pulses of pesticides immediately after their application to crops, which was not possible with active water sampling and even with suspended sediment monitoring. It is strongly recommended that, in regions with intensive cultivation of soybeans and other genetically modified crops, the presence of glyphosate and its metabolite AMPA be permanently monitored, a practice still very scarce in the literature.
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Affiliation(s)
- Gracieli Fernandes
- Soils Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil.
| | - Virginia Carolina Aparicio
- Instituto Nacional de Tecnología Agropecuaria INTA EEA Balcarce, Ruta Nacional 226, Km 73,5, Balcarce CP 7620, Buenos Aires, Argentina
| | - Eduardo De Gerónimo
- Instituto Nacional de Tecnología Agropecuaria INTA EEA Balcarce, Ruta Nacional 226, Km 73,5, Balcarce CP 7620, Buenos Aires, Argentina
| | - Osmar Damian Prestes
- Laboratory of Pesticide Residues Analysis (LARP), Chemistry Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Renato Zanella
- Laboratory of Pesticide Residues Analysis (LARP), Chemistry Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Ederson Ebling
- Soils Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Pedro Bolzan Parisi
- Soils Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Victor Hugo Dos Santos Mollmann
- Graduate Program in Animal Biodiversity, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - José Miguel Reichert
- Soils Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Danilo Rheinheimer Dos Santos
- Soils Department, Federal University of Santa Maria, Roraima Avenue, 1000, Santa Maria, RS, 97105-900, Brazil; Foreign Visiting Professors at University of Limoges, (2022-2023) France
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9
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Ruffolo F, Dinhof T, Murray L, Zangelmi E, Chin JP, Pallitsch K, Peracchi A. The Microbial Degradation of Natural and Anthropogenic Phosphonates. Molecules 2023; 28:6863. [PMID: 37836707 PMCID: PMC10574752 DOI: 10.3390/molecules28196863] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/21/2023] [Accepted: 09/23/2023] [Indexed: 10/15/2023] Open
Abstract
Phosphonates are compounds containing a direct carbon-phosphorus (C-P) bond, which is particularly resistant to chemical and enzymatic degradation. They are environmentally ubiquitous: some of them are produced by microorganisms and invertebrates, whereas others derive from anthropogenic activities. Because of their chemical stability and potential toxicity, man-made phosphonates pose pollution problems, and many studies have tried to identify biocompatible systems for their elimination. On the other hand, phosphonates are a resource for microorganisms living in environments where the availability of phosphate is limited; thus, bacteria in particular have evolved systems to uptake and catabolize phosphonates. Such systems can be either selective for a narrow subset of compounds or show a broader specificity. The role, distribution, and evolution of microbial genes and enzymes dedicated to phosphonate degradation, as well as their regulation, have been the subjects of substantial studies. At least three enzyme systems have been identified so far, schematically distinguished based on the mechanism by which the C-P bond is ultimately cleaved-i.e., through either a hydrolytic, radical, or oxidative reaction. This review summarizes our current understanding of the molecular systems and pathways that serve to catabolize phosphonates, as well as the regulatory mechanisms that govern their activity.
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Affiliation(s)
- Francesca Ruffolo
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, I-43124 Parma, Italy (E.Z.)
| | - Tamara Dinhof
- Institute of Organic Chemistry, Faculty of Chemistry, University of Vienna, A-1090 Vienna, Austria;
- Vienna Doctoral School in Chemistry (DoSChem), University of Vienna, A-1090 Vienna, Austria
| | - Leanne Murray
- School of Biological Sciences and Institute for Global Food Security, Queen’s University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, UK
| | - Erika Zangelmi
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, I-43124 Parma, Italy (E.Z.)
| | - Jason P. Chin
- School of Biological Sciences and Institute for Global Food Security, Queen’s University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, UK
| | - Katharina Pallitsch
- Institute of Organic Chemistry, Faculty of Chemistry, University of Vienna, A-1090 Vienna, Austria;
| | - Alessio Peracchi
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, I-43124 Parma, Italy (E.Z.)
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10
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An J, Jiang Y, Cao H, Yi C, Li S, Qu M, Liu G. Photodegradation of glyphosate in water and stimulation of by-products on algae growth. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 263:115211. [PMID: 37418942 DOI: 10.1016/j.ecoenv.2023.115211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/19/2023] [Accepted: 06/29/2023] [Indexed: 07/09/2023]
Abstract
Glyphosate is the most widely used herbicide in global agricultural cultivation. However, little is known about the environmental risks associated with its migration and transformation. We conducted light irradiation experiments to study the dynamics and mechanism of photodegradation of glyphosate in ditches, ponds and lakes, and evaluated the effect of glyphosate photodegradation on algae growth through algae culture experiments. Our results showed that glyphosate in ditches, ponds and lakes could undergo photochemical degradation under sunlight irradiation with the production of phosphate, and the photodegradation rate of glyphosate in ditches could reach 86% after 96 h under sunlight irradiation. Hydroxyl radicals (•OH) was the main reactive oxygen species (ROS) for glyphosate photodegradation, and its steady-state concentrations in ditches, ponds and lakes were 6.22 × 10-17, 4.73 × 10-17, and 4.90 × 10-17 M. The fluorescence emission-excitation matrix (EEM) and other technologies further indicated that the humus components in dissolved organic matter (DOM) and nitrite were the main photosensitive substances producing •OH. In addition, the phosphate generated by glyphosate photodegradation could greatly promote the growth of Microcystis aeruginosa, thereby increasing the risk of eutrophication. Thus, glyphosate should be scientifically and reasonably applied to avoid environmental risks.
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Affiliation(s)
- Jiaqi An
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Yongcan Jiang
- PowerChina Huadong Engineering Corporation Ltd., Hangzhou 311122, Zhejiang Province, China; College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, Zhejiang Province, China.
| | - Huafen Cao
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Ceng Yi
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Suxia Li
- Qinzhou Key Laboratory for Eco-Restoration of Environment, Beibu Gulf University, Qinzhou, Guangxi 535011, China
| | - Mengjie Qu
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China.
| | - Guanglong Liu
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China; Qinzhou Key Laboratory for Eco-Restoration of Environment, Beibu Gulf University, Qinzhou, Guangxi 535011, China.
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11
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Riedel R, Krahl K, Buder K, Böllmann J, Braun B, Martienssen M. Novel standard biodegradation test for synthetic phosphonates. J Microbiol Methods 2023; 212:106793. [PMID: 37543110 DOI: 10.1016/j.mimet.2023.106793] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 07/27/2023] [Accepted: 07/27/2023] [Indexed: 08/07/2023]
Abstract
Determination of biodegradation of synthetic phosphonates such as aminotris(methylenephosphonic acid) (ATMP), ethylenediamine tetra(methylenephosphonic acid) (EDTMP), or diethylenetriamine penta(methylenephosphonic acid) (DTPMP) is a great challenge. Commonly, ready biodegradability of organic substances is assessed by OECD 301 standard tests. However, due to the chemical imbalance of carbon to phosphorus synthetic phosphonates do not promote microbial growth and, thus, limiting its biodegradation. Therefore, standard OECD test methods are not always reliable to predict the real biodegradability of phosphonates. In the presented study, we report the development of a standardized batch system suitable to synthetic phosphonates such as ATMP, EDTMP, DTPMP and others. The novel standard batch test is applicable with pure strains, activated sludge from different wastewater treatment plants (i.e., municipal and industrial), and with tap water as inoculum. We optimized the required calcium and magnesium exposure levels as well as the amount of the start inoculum biomass. We demonstrated that our test also allows to determine several parameters including ortho-phosphate (o-PO43-), total phosphorus (TP), ammonium (NH4+) and total organic carbon (TOC). In addition, also LC/MS analyses of cell-free medium is applicable for determining the mother compounds and metabolites. We applied our optimized standardized batch with selected phosphonates and evidenced that the chemical structure has a major influence of the microbial growth rates. Thus, our novel batch test overcomes drawbacks of the OECD 301 test series for determination of easy biodegradability for stoichiometric imbalanced organic compounds such as phosphonates.
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Affiliation(s)
- Ramona Riedel
- Brandenburg University of Technology Cottbus-Senftenberg, Institute of Environmental Technology, Biotechnology of Water Treatment, 03046 Cottbus, Germany.
| | - Kathrin Krahl
- Brandenburg University of Technology Cottbus-Senftenberg, Institute of Environmental Technology, Biotechnology of Water Treatment, 03046 Cottbus, Germany
| | - Kai Buder
- Brandenburg University of Technology Cottbus-Senftenberg, Institute of Environmental Technology, Biotechnology of Water Treatment, 03046 Cottbus, Germany
| | - Jörg Böllmann
- Brandenburg University of Technology Cottbus-Senftenberg, Institute of Environmental Technology, Biotechnology of Water Treatment, 03046 Cottbus, Germany
| | - Burga Braun
- University of Technology Berlin, Department of Environmental Microbiology, 10587 Berlin, Germany
| | - Marion Martienssen
- Brandenburg University of Technology Cottbus-Senftenberg, Institute of Environmental Technology, Biotechnology of Water Treatment, 03046 Cottbus, Germany
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12
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Sadeghi J, Hashemi Shahraki A, Chaganti SR, Heath D. Functional gene transcription variation in bacterial metatranscriptomes in large freshwater Lake Ecosystems: Implications for ecosystem and human health. ENVIRONMENTAL RESEARCH 2023; 231:116298. [PMID: 37268212 DOI: 10.1016/j.envres.2023.116298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 05/12/2023] [Accepted: 05/31/2023] [Indexed: 06/04/2023]
Abstract
Little is known regarding the temporal and spatial functional variation of freshwater bacterial community (BC) under non-bloom conditions, especially in winter. To address this, we used metatranscriptomics to assess bacterial gene transcription variation among three sites across three seasons. Our metatranscriptome data for freshwater BCs at three public beaches (Ontario, Canada) sampled in the winter (no ice), summer and fall (2019) showed relatively little spatial, but a strong temporal variation. Our data showed high transcriptional activity in summer and fall but surprisingly, 89% of the KEGG pathway genes and 60% of the selected candidate genes (52 genes) associated with physiological and ecological activity were still active in freezing temperatures (winter). Our data also supported the possibility of an adaptively flexible gene expression response of the freshwater BC to low temperature conditions (winter). Only 32% of the bacterial genera detected in the samples were active, indicating that the majority of detected taxa were non-active (dormant). We also identified high seasonal variation in the abundance and activity of taxa associated with health risks (i.e., Cyanobacteria and waterborne bacterial pathogens). This study provides a baseline for further characterization of freshwater BCs, health-related microbial activity/dormancy and the main drivers of their functional variation (such as rapid human-induced environmental change and climate change).
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Affiliation(s)
- Javad Sadeghi
- Great Lakes Institute for Environmental Research, University of Windsor, Windsor, Ontario, Canada
| | | | - Subba Rao Chaganti
- Cooperative Institute for Great Lakes Research, University of Michigan, Ann Arbor, MI, USA.
| | - Daniel Heath
- Great Lakes Institute for Environmental Research, University of Windsor, Windsor, Ontario, Canada; Department of Integrative Biology, University of Windsor, Windsor, ON, Canada.
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13
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Zhao L, Lin LZ, Zeng Y, Teng WK, Chen MY, Brand JJ, Zheng LL, Gan NQ, Gong YH, Li XY, Lv J, Chen T, Han BP, Song LR, Shu WS. The facilitating role of phycospheric heterotrophic bacteria in cyanobacterial phosphonate availability and Microcystis bloom maintenance. MICROBIOME 2023; 11:142. [PMID: 37365664 DOI: 10.1186/s40168-023-01582-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 05/23/2023] [Indexed: 06/28/2023]
Abstract
BACKGROUND Phosphonates are the main components in the global phosphorus redox cycle. Little is known about phosphonate metabolism in freshwater ecosystems, although rapid consumption of phosphonates has been observed frequently. Cyanobacteria are often the dominant primary producers in freshwaters; yet, only a few strains of cyanobacteria encode phosphonate-degrading (C-P lyase) gene clusters. The phycosphere is defined as the microenvironment in which extensive phytoplankton and heterotrophic bacteria interactions occur. It has been demonstrated that phytoplankton may recruit phycospheric bacteria based on their own needs. Therefore, the establishment of a phycospheric community rich in phosphonate-degrading-bacteria likely facilitates cyanobacterial proliferation, especially in waters with scarce phosphorus. We characterized the distribution of heterotrophic phosphonate-degrading bacteria in field Microcystis bloom samples and in laboratory cyanobacteria "phycospheres" by qPCR and metagenomic analyses. The role of phosphonate-degrading phycospheric bacteria in cyanobacterial proliferation was determined through coculturing of heterotrophic bacteria with an axenic Microcystis aeruginosa strain and by metatranscriptomic analysis using field Microcystis aggregate samples. RESULTS Abundant bacteria that carry C-P lyase clusters were identified in plankton samples from freshwater Lakes Dianchi and Taihu during Microcystis bloom periods. Metagenomic analysis of 162 non-axenic laboratory strains of cyanobacteria (consortia cultures containing heterotrophic bacteria) showed that 20% (128/647) of high-quality bins from eighty of these consortia encode intact C-P lyase clusters, with an abundance ranging up to nearly 13%. Phycospheric bacterial phosphonate catabolism genes were expressed continually across bloom seasons, as demonstrated through metatranscriptomic analysis using sixteen field Microcystis aggregate samples. Coculturing experiments revealed that although Microcystis cultures did not catabolize methylphosphonate when axenic, they demonstrated sustained growth when cocultured with phosphonate-utilizing phycospheric bacteria in medium containing methylphosphonate as the sole source of phosphorus. CONCLUSIONS The recruitment of heterotrophic phosphonate-degrading phycospheric bacteria by cyanobacteria is a hedge against phosphorus scarcity by facilitating phosphonate availability. Cyanobacterial consortia are likely primary contributors to aquatic phosphonate mineralization, thereby facilitating sustained cyanobacterial growth, and even bloom maintenance, in phosphate-deficient waters. Video Abstract.
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Affiliation(s)
- Liang Zhao
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, People's Republic of China
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, People's Republic of China
| | - Li-Zhou Lin
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, People's Republic of China
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, People's Republic of China
| | - Ying Zeng
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, People's Republic of China
| | - Wen-Kai Teng
- State Key Laboratory of Biocontrol, Guangdong Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, People's Republic of China
| | - Meng-Yun Chen
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, People's Republic of China
| | - Jerry J Brand
- Department of Molecular Biosciences and the Culture Collection of Algae, University of Texas at Austin, Austin, TX, 78712, USA
| | - Ling-Ling Zheng
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, People's Republic of China
- National Aquatic Biological Resource Center, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China
| | - Nan-Qin Gan
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, People's Republic of China
| | - Yong-Hui Gong
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, People's Republic of China
| | - Xin-Yi Li
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, People's Republic of China
| | - Jin Lv
- Analysis and Testing Center, South China Normal University, Guangzhou, 510631, People's Republic of China
| | - Ting Chen
- Institute for Artificial Intelligence and Department of Computer Science and Technology, Tsinghua University, Beijing, 100084, People's Republic of China
| | - Bo-Ping Han
- Department of Ecology and Institute of Hydrobiology, Jinan University, Guangzhou, 510632, People's Republic of China.
| | - Li-Rong Song
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, People's Republic of China.
- National Aquatic Biological Resource Center, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, People's Republic of China.
| | - Wen-Sheng Shu
- Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, People's Republic of China.
- Guangdong Magigene Biotechnology Co., Ltd., Shenzhen, 518081, People's Republic of China.
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14
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Malla MA, Dubey A, Kumar A, Yadav S, Kumari S. Modeling and optimization of chlorpyrifos and glyphosate biodegradation using RSM and ANN: Elucidating their degradation pathways by GC-MS based metabolomics. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 252:114628. [PMID: 36774796 DOI: 10.1016/j.ecoenv.2023.114628] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 01/28/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
Ongoing and extensive use of pesticides negatively impact the environment and human health. Microbe-based remediation bears importance as it is an eco-friendly and cost-effective technique. The present study investigated chlorpyrifos (CHL) and glyphosate (GLY) degrading potential of Bacillus cereus AKAD 3-1, isolated from the soybean rhizosphere. Optimization and validation of different process variables were carried out by response surface methodology (RSM) and artificial neural network (ANN). Critical parameters which affect the degradation process are initial pesticide concentration, pH, and inoculum size. At optimum conditions, the bacterial strain demonstrated 94.52% and 83.58% removal of chlorpyrifos and glyphosate, respectively. Both Central-composite design (CCD-RSM) and ANN approaches proved to perform well in modeling and optimizing the growth conditions. The optimum ANN-GA model resulted in R2 ≥ 0.99 for chlorpyrifos and glyphosate, while in the case of RSM, the obtained R2 value was 0.96 and 0.95, respectively. Results indicated that the process variables significantly (p < 0.05) impact chlorpyrifos and glyphosate biodegradation. Moreover, the predicted RSM model had a "lack of fit p-value" of "0.8849" and "0.2502" for chlorpyrifos and glyphosate, respectively. GC-MS analysis revealed that the strain first converted chlorpyrifos into 3,5,6-trichloro pyridin-2-ol & O, O-diethyl O-hydrogen phosphorothiate. Later, these intermediate metabolites were broken and completely mineralized into non-toxic by-products. Similarly, glyphosate was first converted into 2-(methylamino) acetic acid and amino-oxyphosphonic acid, which were further mineralized without any toxic by-products. Taken together, the results of this study clarify the biodegradation pathways and highlights the promising potential of B. cereus AKAD 3-1 in the bioremediation of chlorpyrifos and glyphosate-polluted environments.
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Affiliation(s)
- Muneer Ahmad Malla
- Department of Zoology, Dr. Harisingh Gour University (A Central University), Sagar 470003, Madhya Pradesh, India; Metagenomics and Secretomics Research Laboratory, Department of Botany, Dr. Harisingh Gour University (A Central University), Sagar 470003, Madhya Pradesh, India
| | - Anamika Dubey
- Metagenomics and Secretomics Research Laboratory, Department of Botany, Dr. Harisingh Gour University (A Central University), Sagar 470003, Madhya Pradesh, India
| | - Ashwani Kumar
- Metagenomics and Secretomics Research Laboratory, Department of Botany, Dr. Harisingh Gour University (A Central University), Sagar 470003, Madhya Pradesh, India; Metagenomics and Secretomics Research Laboratory, Department of Botany, University of Allahabad (A Central University), Prayagraj 211002, Uttar Pradesh, India.
| | - Shweta Yadav
- Department of Zoology, Dr. Harisingh Gour University (A Central University), Sagar 470003, Madhya Pradesh, India
| | - Sheena Kumari
- Institute for Water and Wastewater Technology, Durban University of Technology, Durban 4001, South Africa
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15
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Malla MA, Dubey A, Kumar A, Patil A, Ahmad S, Kothari R, Yadav S. Optimization and elucidation of organophosphorus and pyrethroid degradation pathways by a novel bacterial consortium C3 using RSM and GC-MS-based metabolomics. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
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16
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Microbial Degradation of Pollutants. Environ Microbiol 2023. [DOI: 10.1007/978-3-662-66547-3_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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17
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Qu M, Wang L, Xu Q, An J, Mei Y, Liu G. Influence of glyphosate and its metabolite aminomethylphosphonic acid on aquatic plants in different ecological niches. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 246:114155. [PMID: 36206639 DOI: 10.1016/j.ecoenv.2022.114155] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 09/29/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
Glyphosate and its metabolite aminomethylphosphonic acid (AMPA) draw great concern due to their potential threat to aquatic ecosystems. The individual and combined effects of glyphosate and AMPA on aquatic plants in different ecological niches need to be explored. This study aimed to investigate the ecotoxicity of glyphosate and AMPA on the emergent macrophyte Acorus calamus, phytoplankton Chlorella vulgaris, and submerged macrophyte Vallisneria natans after their exposure to glyphosate and AMPA alone and to their mixture. Medium and low concentrations of glyphosate (≤ 0.5 mg L-1) significantly inhibited the growth of V. natans and promoted the growth of C. vulgaris (P < 0.05) but had no significant effect on the growth of A. calamus (P > 0.05). AMPA (≤ 5.0 mg L-1) did not significantly influence the relative growth rate (except C. vulgaris) or malonaldehyde levels but significantly altered the expression levels of chlorophyll-related genes and superoxide dismutase [Cu-Zn] genes in the aquatic plants examined. AMPA mainly affected the oxidative phosphorylation pathway in V. natans and not those in other two plants, indicating that V. natans was more sensitive to AMPA-induced oxidative damage. Moreover, antagonistic effects on plant growth were observed when plants were exposed to low concentrations of glyphosate + AMPA (≤ 0.1 + 0.1 mg L-1). When the concentration of glyphosate + AMPA reached 0.5 + 0.5 and 5.0 + 5.0 mg L-1, the growth of the submerged macrophyte was additively or synergistically inhibited, but the growth of the emergent macrophyte and phytoplankton was antagonistically inhibited. Our results indicated that both the individual and combined effects of glyphosate and AMPA might alter the vertical structure of shallow lakes and accelerate the conversion of shallow lakes from grass-based to algal-based lakes.
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Affiliation(s)
- Mengjie Qu
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; Laboratory of Eco-Environmental Engineering Research, Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China
| | - Longtao Wang
- CCCC Second Harbor Engineering Company LTD, Wuhan 430040, China
| | - Qiang Xu
- BOE Environmental Energy Technology Company LTD, Beijing 100176, China
| | - Jiaqi An
- Laboratory of Eco-Environmental Engineering Research, Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China
| | - Yunjun Mei
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China.
| | - Guanglong Liu
- Laboratory of Eco-Environmental Engineering Research, Microelement Research Centre, Huazhong Agricultural University, Wuhan 430070, China.
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18
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Coble AA, Silva-Sanchez C, Arthurs WJ, Flinders CA. Detection and accumulation of environmentally-relevant glyphosate concentrations delivered via pulse- or continuous-delivery on passive samplers. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156131. [PMID: 35605867 DOI: 10.1016/j.scitotenv.2022.156131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/17/2022] [Accepted: 05/17/2022] [Indexed: 06/15/2023]
Abstract
Glyphosate is the most commonly used herbicide globally, which has contributed to its ubiquitous presence in the environment. Glyphosate application rates and delivery to surface water vary with land use. Streams in urban and agricultural catchments can experience continuous delivery of low concentrations of glyphosate and aminomethylphosphonic acid (AMPA), while their presence in forest streams occurs as an episodic pulse following silvicultural application. We assessed whether trace concentrations of glyphosate delivered as a 1-day pulse (mimic silvicultural applications) followed by flushing with deionized water would affect the detection of glyphosate or AMPA on novel passive samplers, Polar Organic Chemical Integrative Sampler with Molecular Imprinted Polymer (POCIS-MIP), compared with continuous delivery (mimic agricultural or urban applications). Within each delivery type, POCIS-MIP were exposed to seven treatment concentrations of Rodeo (equivalent to 0.0 to 1.84 μg glyphosate L-1). Experimental results demonstrate POCIS-MIP can detect differences in relative glyphosate concentrations above 0.115 μg L-1 (pulse-delivery) or 0.23 μg L-1 (continuous-delivery), but were unable to distinguish trace concentrations (i.e., < 0.115 or 0.23 μg L-1). Our results suggest POCIS-MIP may better retain glyphosate when delivered as a pulse than when delivered continuously, but both underestimated actual treatment concentrations by 46 to 56%. There is a need to demonstrate the field applicability of passive sampling methods to improve environmental monitoring of silvicultural herbicides, and our results demonstrate passive samplers were unable to distinguish lower concentrations, suggesting a limited utility for determining trace concentration levels such as those experienced during or immediately after silvicultural application.
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Affiliation(s)
- Ashley A Coble
- NCASI, 2438 NW Professional Drive, Corvallis, OR 97330, United States of America.
| | | | - William J Arthurs
- NCASI, 1117 3rd Street, Anacortes, WA 98221, United States of America
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19
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Reinl KL, Harris TD, Elfferich I, Coker A, Zhan Q, De Senerpont Domis LN, Morales-Williams AM, Bhattacharya R, Grossart HP, North RL, Sweetman JN. The role of organic nutrients in structuring freshwater phytoplankton communities in a rapidly changing world. WATER RESEARCH 2022; 219:118573. [PMID: 35643062 DOI: 10.1016/j.watres.2022.118573] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/27/2022] [Accepted: 05/07/2022] [Indexed: 06/15/2023]
Abstract
Carbon, nitrogen, and phosphorus are critical macroelements in freshwater systems. Historically, researchers and managers have focused on inorganic forms, based on the premise that the organic pool was not available for direct uptake by phytoplankton. We now know that phytoplankton can tap the organic nutrient pool through a number of mechanisms including direct uptake, enzymatic hydrolysis, mixotrophy, and through symbiotic relationships with microbial communities. In this review, we explore these mechanisms considering current and projected future anthropogenically-driven changes to freshwater systems. In particular, we focus on how naturally- and anthropogenically- derived organic nutrients can influence phytoplankton community structure. We also synthesize knowledge gaps regarding phytoplankton physiology and the potential challenges of nutrient management in an organically dynamic and anthropogenically modified world. Our review provides a basis for exploring these topics and suggests several avenues for future work on the relation between organic nutrients and eutrophication and their ecological implications in freshwater systems.
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Affiliation(s)
- Kaitlin L Reinl
- Lake Superior National Estuarine Research Reserve, University of Wisconsin-Madison Division of Extension, 14 Marina Drive, Superior, Wisconsin 54880, US; University of Wisconsin-Madison, Center for Limnology, 608 N. Park St., Madison, WI, US; University of Minnesota-Duluth, Large Lakes Observatory, 2205 E. 5th St., Duluth, MN, US.
| | - Ted D Harris
- Kansas Biological Survey and Center for Ecological Research, 2101 Constant Ave., Lawrence, KS, US
| | - Inge Elfferich
- Cardiff University, Earth and Environmental Sciences, Main Building, Park Place CF10 3AT, Cardiff, UK
| | - Ayooluwateso Coker
- University of Minnesota-Duluth, Large Lakes Observatory, 2205 E. 5th St., Duluth, MN, US
| | - Qing Zhan
- Netherlands Institute of Ecology, Dept. of Aquatic Ecology, Droevendaalsesteeg 10, Wageningen, NL
| | | | - Ana M Morales-Williams
- University of Vermont, Rubenstein School of Environment and Natural Resources, 81 Carrigan Drive, Burlington, VT, US
| | - Ruchi Bhattacharya
- University of Waterloo, Department of Earth and Environmental Sciences, 200 University Ave., N2L 1V6, Waterloo, ON, CA
| | - Hans-Peter Grossart
- Leibniz Institute for Freshwater Ecology and Inland Fisheries (IGB), Dept. Plankton and Microbial Ecology, Zur alten Fischerhuette 2, D-16775 Stechlin, DE; Potsdam University, Institute of Biochemistry and Biology, Maulbeerallee 2, 14469 Potsdam
| | - Rebecca L North
- University of Missouri-Columbia, School of Natural Resources, 303L Anheuser Busch Natural Resource Building, Columbia, MO, US
| | - Jon N Sweetman
- Pennsylvania State University, Ecological Science and Management, 457 Agriculture Sciences and Industries Building, State College, PA, US
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20
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Zabaloy MC, Allegrini M, Hernandez Guijarro K, Behrends Kraemer F, Morrás H, Erijman L. Microbiomes and glyphosate biodegradation in edaphic and aquatic environments: recent issues and trends. World J Microbiol Biotechnol 2022; 38:98. [PMID: 35478266 DOI: 10.1007/s11274-022-03281-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 04/08/2022] [Indexed: 12/11/2022]
Abstract
Glyphosate (N-(phosphonomethyl)glycine) has emerged as the top-selling herbicide worldwide because of its versatility in controlling annual and perennial weeds and the extensive use of glyphosate-resistant crops. Concerns related to the widespread use of glyphosate and its ubiquitous presence in the environment has led to a large number of studies and reviews, which examined the toxicity and fate of glyphosate and its major metabolite, aminomethylphosphonic acid (AMPA) in the environment. Because the biological breakdown of glyphosate is most likely the main elimination process, the biodegradation of glyphosate has also been the object of abundant experimental work. Importantly, glyphosate biodegradation in aquatic and soil ecosystems is affected not only by the composition and the activity of microbial communities, but also by the physical environment. However, the interplay between microbiomes and glyphosate biodegradation in edaphic and aquatic environments has rarely been considered before. The proposed minireview aims at filling this gap. We summarize the most recent work exploring glyphosate biodegradation in natural aquatic biofilms, the biological, chemical and physical factors and processes playing on the adsorption, transport and biodegradation of glyphosate at different levels of soil organization and under different agricultural managements, and its impact on soil microbial communities.
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Affiliation(s)
- María Celina Zabaloy
- Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS), Universidad Nacional del Sur (UNS)-CONICET, Bahía Blanca, Argentina
- Departamento de Agronomía, Universidad Nacional del Sur, Bahía Blanca, Argentina
| | - Marco Allegrini
- Instituto de Investigaciones en Ciencias Agrarias de Rosario (IICAR), CONICET, Universidad Nacional de Rosario, Zavalla, Argentina
| | - Keren Hernandez Guijarro
- Instituto Nacional de Tecnología Agropecuaria (INTA), Unidad Integrada Estación Experimental Agropecuaria Balcarce, Balcarce, Argentina
| | - Filipe Behrends Kraemer
- Cátedra de Manejo y Conservación de Suelos, Facultad de Agronomía, Universidad de Buenos Aires, Buenos Aires, Argentina
- Instituto de Suelos-CIRN-INTA, Hurlingham, Argentina
| | - Héctor Morrás
- Instituto de Suelos-CIRN-INTA, Hurlingham, Argentina
- Facultad de Ciencias Agrarias y Veterinaria, Universidad del Salvador, Pilar, Argentina
| | - Leonardo Erijman
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular "Dr Héctor N. Torres" (INGEBI-CONICET), Vuelta de Obligado 2490, C1428ADN, Buenos Aires, Argentina.
- Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina.
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21
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Chen Z, Li Y, Tian F, Chen X, Wu Z. Synthesis of BiVO4/g-C3N4 S-scheme heterojunction via a rapid and green microwave route for efficient removal of glyphosate. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120507] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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22
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Strilbyska OM, Tsiumpala SA, Kozachyshyn II, Strutynska T, Burdyliuk N, Lushchak VI, Lushchak O. The effects of low-toxic herbicide Roundup and glyphosate on mitochondria. EXCLI JOURNAL 2022; 21:183-196. [PMID: 35221840 PMCID: PMC8859649 DOI: 10.17179/excli2021-4478] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 12/16/2021] [Indexed: 12/13/2022]
Abstract
The effects of pesticides on the health of non-target living organisms in agricultural areas are critically important aspects for their safe use. Their release into the environment is an inevitable aspect for predicting and evaluation of the risk of their application. Roundup, a glyphosate-based herbicide, has been designed as an effective pesticide against weeds and now is the most widely used agrochemicals around the world due to its highly specific action of the biosynthesis of certain amino acids in plants. Despite it is claimed to be low toxic for not-target organisms, due to its broad application Roundup and products of its degradation were detected in organisms of diverse animals and humans. In this review, we describe animal and human studies of general adverse effects of Roundup and its principal substance glyphosate with focus on endocrine disruption, oxidative stress and behavioral disorders. At mechanistic level, we focus on the potential toxicity of the herbicide Roundup and glyphosate as effectors of bioenergetic functions of mitochondria. Their effects on mitochondrial membrane potential and oxidative phosphorylation are among described to date critical components responsible for its toxicity. Finally, we discuss general molecular mechanisms potentially involved in the interaction between glyphosate and mitochondria which to some extent are associated with generation of reactive oxygen species.
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Affiliation(s)
- Olha M Strilbyska
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Sviatoslav A Tsiumpala
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Ivanna I Kozachyshyn
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Tetiana Strutynska
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Nadia Burdyliuk
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine
| | - Volodymyr I Lushchak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine.,Research and Development University, 13a Shota Rustaveli Str., Ivano-Frankivsk, 76000, Ukraine
| | - Oleh Lushchak
- Department of Biochemistry and Biotechnology, Vasyl Stefanyk Precarpathian National University, 57 Shevchenko Str., Ivano-Frankivsk, 76018, Ukraine.,Research and Development University, 13a Shota Rustaveli Str., Ivano-Frankivsk, 76000, Ukraine
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23
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Guo J, Song X, Li R, Zhang Q, Zheng S, Li Q, Tao B. Isolation of a degrading strain of Fusarium verticillioides and bioremediation of glyphosate residue. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 182:105031. [PMID: 35249652 DOI: 10.1016/j.pestbp.2021.105031] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 12/27/2021] [Accepted: 12/28/2021] [Indexed: 06/14/2023]
Abstract
Glyphosate is a broad-spectrum and nonselective organophosphorus herbicide that inhibits 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS), an enzyme in the shikimate pathway in plants. A glyphosate-resistant fungus identified as Fusarium verticillioides was screened from soil subjected to long-term glyphosate application, and this fungus could grow in inorganic salt medium containing 90 mmol/L glyphosate. The optimum culture conditions identified via the response surface curve method were 28 °C and pH 7.0. The target gene epsps was cloned in this study, and the open reading frame contained 1170 nucleotides and putatively encoded 389 amino acid residues. Phylogenetic analysis showed that this gene belonged to class I, genes naturally sensitive to glyphosate. q-PCR confirmed that the relative expression level of the epsps gene was low, and no significant difference in expression was observed among different glyphosate concentrations at 12 h or 48 h. On day 28, the degradation by Fusarium verticillioides C-2 of sterilized soil and unsterilized soil supplemented with 60 mg/kg glyphosate reached 72.17% and 89.07%, respectively, and a significant difference was observed between the treatments with and without the glyphosate-degrading strain. The recovery of soil dehydrogenase activity after the addition of Fusarium verticillioides was significantly higher than that in the absence of the degrading fungus on the 28th day. The results showed that C-2 is a highly effective glyphosate-degrading strain with bioremediation potential for glyphosate-contaminated soil.
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Affiliation(s)
- Jing Guo
- College of Agronomy, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Xiuli Song
- Lingnan Normal University, ZhanJiang 524048, Guang Dong, PR China
| | - Rongxing Li
- College of Agronomy, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Qi Zhang
- College of Agronomy, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Shengwei Zheng
- College of Agronomy, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Qiucheng Li
- College of Agronomy, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Bo Tao
- College of Agronomy, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China.
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24
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Wirth MA, Longwitz L, Kanwischer M, Gros P, Leinweber P, Werner T. AMPA- 15N - Synthesis and application as standard compound in traceable degradation studies of glyphosate. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 225:112768. [PMID: 34530265 DOI: 10.1016/j.ecoenv.2021.112768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/03/2021] [Accepted: 09/06/2021] [Indexed: 06/13/2023]
Abstract
Stable isotope labeling of pollutants is a valuable tool to investigate their environmental transport and degradation. For the globally most frequently used herbicide glyphosate, such studies have, so far, been hampered by the absence of an analytical standard for its labeled metabolite AMPA-15N, which is formed during the degradation of all commercially available glyphosate isotopologues. Without such a standard, detection and quantitation of AMPA-15N, e.g. with LC-MS/MS, is not possible. Therefore, a synthetic pathway to AMPA-15N from benzamide-15N via the hemiaminal was developed. AMPA-15N was obtained in sufficient yield and purity to be used as a standard compound for LC-MS/MS analysis. Suitable MS-detection settings as well as a calibration using the internal standard (IS) approach were established for Fmoc-derivatized AMPA-15N. The use of different AMPA isotopologues as IS was complicated by the parallel formation of [M+H]+ and [M]+• AMPA-Fmoc precursor ions in ESI-positive mode, causing signal interferences between analyte and IS. We recommend the use of either AMPA-13C-15N, AMPA-13C-15N-D2 or a glyphosate isotopologue as IS, as they do not affect the linearity of the calibration curve. As a proof of concept, the developed analysis procedure for AMPA-15N was used to refine the results from a field lysimeter experiment investigating leaching and degradation of glyphosate-2-13C-15N. The newly enabled quantitation of AMPA-15N in soil extracts showed that similar amounts (0.05 - 0.22 mg·kg-1) of the parent herbicide glyphosate and its primary metabolite AMPA persisted in the topsoil over the study period of one year, while vertical transport through the soil column did not occur for either of the compounds. The herein developed analysis concepts will facilitate future design and execution of experiments on the environmental fate of the herbicide glyphosate.
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Affiliation(s)
- Marisa A Wirth
- Leibniz-Institute for Baltic Sea Research Warnemünde, Department of Marine Chemistry, Seestraße 15, 18119 Rostock, Germany
| | - Lars Longwitz
- Leibniz-Institute for Catalysis, Catalysis with renewable resources, Albert-Einstein-Str. 29a, 18059 Rostock, Germany; University of Antwerp, Organic Synthesis (ORSY), Groenenborgerlaan 171, 2020 Antwerpen, Belgium
| | - Marion Kanwischer
- Leibniz-Institute for Baltic Sea Research Warnemünde, Department of Marine Chemistry, Seestraße 15, 18119 Rostock, Germany.
| | - Peter Gros
- University of Rostock, Faculty of Agriculture and Environmental Sciences, Soil Science, Justus-von-Liebig-Weg 6, 18059 Rostock, Germany; State Office for Agriculture and Rural Area Thüringen, Department for Soil and Fertilizer Investigations, Naumburger Straße 98, 07743 Jena, Germany
| | - Peter Leinweber
- University of Rostock, Faculty of Agriculture and Environmental Sciences, Soil Science, Justus-von-Liebig-Weg 6, 18059 Rostock, Germany
| | - Thomas Werner
- Leibniz-Institute for Catalysis, Catalysis with renewable resources, Albert-Einstein-Str. 29a, 18059 Rostock, Germany; Paderborn University, Department of Chemistry and Center for Sustainable Systems Design (CSSD), Warburger Straße 100, 33098 Paderborn, Germany
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25
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Sviridov AV, Shushkova TV, Epiktetov DO, Tarlachkov SV, Ermakova IT, Leontievsky AA. Biodegradation of Organophosphorus Pollutants by Soil Bacteria: Biochemical Aspects and Unsolved Problems. APPL BIOCHEM MICRO+ 2021. [DOI: 10.1134/s0003683821070085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Chalifour A, Walser JC, Pomati F, Fenner K. Temperature, phytoplankton density and bacteria diversity drive the biotransformation of micropollutants in a lake ecosystem. WATER RESEARCH 2021; 202:117412. [PMID: 34303164 DOI: 10.1016/j.watres.2021.117412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 06/30/2021] [Accepted: 07/01/2021] [Indexed: 06/13/2023]
Abstract
For most micropollutants (MPs) present in surface waters, such as pesticides and pharmaceuticals, the contribution of biotransformation to their overall removal from lake ecosystems is largely unknown. This study aims at empirically determining the biotransformation rate constants for 35 MPs at different periods of the year and depths of a meso-eutrophic lake. We then tested statistically the association of environmental parameters and microbial community composition with the biotransformation rate constants obtained. Biotransformation was observed for 14 out of 35 studied MPs for at least one sampling time. Large variations in biotransformation rate constants were observed over the seasons and between compounds. Overall, the transformation of MPs was mostly influenced by the lake's temperature, phytoplankton density and bacterial diversity. However, some individual MPs were not following the general trend or association with microorganism biomass. The antidepressant mianserin, for instance, was transformed in all experiments and depths, but did not show any relationship with measured environmental parameters, suggesting the importance of specific microorganisms in its transformation. The results presented here contribute to our understanding of the fate of MPs in surface waters and thus support improved risk assessment of contaminants in the environment.
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Affiliation(s)
- Annie Chalifour
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Überlandstrasse 133, 8600 Dübendorf, Switzerland.
| | - Jean-Claude Walser
- Department of Environmental Systems Science, Genetic Diversity Centre, ETH Zürich, Universitätstrasse 16, 8006 Zürich, Switzerland
| | - Francesco Pomati
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Überlandstrasse 133, 8600 Dübendorf, Switzerland
| | - Kathrin Fenner
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Überlandstrasse 133, 8600 Dübendorf, Switzerland; Department of Chemistry, University of Zürich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
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27
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Corrales N, Meerhoff M, Antoniades D. Glyphosate-based herbicide exposure affects diatom community development in natural biofilms. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 284:117354. [PMID: 34030084 DOI: 10.1016/j.envpol.2021.117354] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 05/06/2021] [Accepted: 05/09/2021] [Indexed: 06/12/2023]
Abstract
Glyphosate herbicide is ubiquitously used in agriculture and weed control. It has now been identified in aquatic ecosystems worldwide, where numerous studies have suggested that it may have both suppressive and stimulatory effects on diverse non-target organisms. We cultured natural biofilms from a hypereutrophic environment to test the effects on periphytic diatoms of exposure to a glyphosate-based herbicide formulation at concentrations from 0 to 10 mg L-1 of active ingredient. There were clear and significant differences between treatments in diatom community structure after the 15-day experiments. Diversity increased more in low glyphosate treatments relative to higher concentrations, and compositional analyses indicated statistically significant differences between glyphosate treatments. The magnitude of change observed was significantly correlated with glyphosate-based herbicide concentration. Our results show that glyphosate-based herbicides have species-selective effects on benthic diatoms that may significantly alter trajectories of community development and therefore may affect benthic habitats and whole ecosystem function.
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Affiliation(s)
- Natalie Corrales
- Sección Limnología, Instituto de Ecología y Ciencias Ambientales, Universidad de la República, Iguá 4225, Montevideo, 11400, Uruguay.
| | - Mariana Meerhoff
- Departamento de Ecología y Gestión Ambiental, Centro Universitario Regional del Este (CURE), Universidad de la República, Maldonado, 20000, Uruguay; Department of Bioscience, Aarhus University, Silkeborg, Denmark.
| | - Dermot Antoniades
- Sección Limnología, Instituto de Ecología y Ciencias Ambientales, Universidad de la República, Iguá 4225, Montevideo, 11400, Uruguay; Département de géographie, Université Laval, Québec, QC, G1V 0A6, Canada.
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28
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Hernández Guijarro K, De Gerónimo E, Erijman L. Glyphosate Biodegradation Potential in Soil Based on Glycine Oxidase Gene (thiO) from Bradyrhizobium. Curr Microbiol 2021; 78:1991-2000. [PMID: 33797566 DOI: 10.1007/s00284-021-02467-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 03/16/2021] [Indexed: 11/27/2022]
Abstract
Despite the intensive use of glyphosate (GP) and its ubiquitous presence in the environment, studies addressing the presence of microbial genes involved in glyphosate degradation in natural conditions are scarce. Based on the agronomical importance of Bradyrhizobium genus and its metabolic versatility, we tested the hypothesis that species or genotypes of Bradyrhizobium could be a proxy for GP degrader potential in soil. A quantitative PCR assay was designed to target a specific region of the glycine oxidase gene (thiO), involved in the oxidation of glyphosate to AMPA, from known sequences of Bradyrhizobium species. The abundance of the thiO gene was determined in response to herbicide application in soils with different GP exposure history both under field and microcosm conditions. The gene coding for RNA polymerase subunitB (rpoB) was used as a reference for the abundance of total Bradyrhizobia. The assay using the designed primers was linear over a very large concentration range of the target and showed high efficiency and specificity. In a field experiment, there was a differential response related to the history of glyphosate use and the native Bradyrhizobium genotypes. In a soil without previous exposure to herbicides, thiO gene increased over time after glyphosate application with most genotypes belonging to the B. jicamae and B. elkanni supergroups. Conversely, in an agricultural soil with more than 10 years of continuous glyphosate application, the abundance of thiO gene decreased and most genotypes belonged to B. japonicum supergroup. In a microcosm assay, the amount of herbicide degraded after a single application was positively correlated to the number of thiO copies in different agricultural soils from the Pampean Region. Our results suggest that Bradyrhizobium species are differently involved in glyphosate degradation, denoting the existence of metabolically versatile microorganisms which can be explored for sustainable agriculture practices. The relationship between the abundance of thiO gene and the GP degraded in soil point to the use of thiO gene as a proxy for GP degradation in soil.
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Affiliation(s)
- Keren Hernández Guijarro
- National Institute of Agricultural Technology (INTA), Balcarce Experimental Station, Ruta Nac, 226, Km 73,5, CP 7620 Balcarce, Buenos Aires, Argentina
| | - Eduardo De Gerónimo
- National Institute of Agricultural Technology (INTA), Balcarce Experimental Station, Ruta Nac, 226, Km 73,5, CP 7620 Balcarce, Buenos Aires, Argentina
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Leonardo Erijman
- National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.
- Instituto de Investigaciones en Ingeniería Genética y Biología Molecular - "Dr Héctor N Torres" (INGEBI-CONICET), Vuelta de Obligado 2490, C1428ADN, Buenos Aires, Argentina.
- Department of Physiology, Molecular and Cellular Biology "Prof Héctor Maldonado," School of Sciences, University of Buenos Aires, C1428, Buenos Aires, Argentina.
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29
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Beecraft L, Rooney R. Bioconcentration of glyphosate in wetland biofilms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 756:143993. [PMID: 33310222 DOI: 10.1016/j.scitotenv.2020.143993] [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] [Received: 07/31/2020] [Revised: 11/12/2020] [Accepted: 11/15/2020] [Indexed: 06/12/2023]
Abstract
Wetland biofilms were exposed to the herbicide glyphosate via in situ field exposures and controlled microcosm experiments to measure bioconcentration and metabolism of glyphosate by biofilm organisms. Concentrations of glyphosate in biofilms were two to four orders of magnitude higher than the surrounding water, bioconcentration factors averaged 835 and 199 L·kg-1 in field- and lab-exposed biofilms, respectively. Glyphosate in water where it had been detected in biofilms at field-exposed sites ranged from below detection (<1 μg·L-1) up to 130 μg·L-1. Bioconcentration of glyphosate in biofilms was inversely proportional to concentrations in the surrounding water, and the retention kinetics were similar to both adsorption and enzymatic models. Microorganisms present in both the water and biofilms metabolized glyphosate to its primary breakdown product aminomethyl phosphonic acid (AMPA), with increased rates of breakdown in and around the biofilms. Photosynthetic efficiency of the algae within the biofilms was not affected by 24 h controlled glyphosate exposures. Our results demonstrate the role of biofilms in improving wetland water quality by removing contaminants like glyphosate, but also as a potential exposure route to higher trophic levels via consumption. Due to bioconcentration of pesticides, exposure risk to organisms consuming or living in biofilms may be much higher than indicated by concentrations in ambient water samples.
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Affiliation(s)
- Laura Beecraft
- Department of Biology, University of Waterloo, 200 University Ave. W., Waterloo, ON N2L 3G1, Canada.
| | - Rebecca Rooney
- Department of Biology, University of Waterloo, 200 University Ave. W., Waterloo, ON N2L 3G1, Canada.
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30
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Wirth MA, Schulz-Bull DE, Kanwischer M. The challenge of detecting the herbicide glyphosate and its metabolite AMPA in seawater - Method development and application in the Baltic Sea. CHEMOSPHERE 2021; 262:128327. [PMID: 33182089 DOI: 10.1016/j.chemosphere.2020.128327] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 09/07/2020] [Accepted: 09/10/2020] [Indexed: 05/26/2023]
Abstract
The globally used herbicide glyphosate and its metabolite aminomethylphosphonic acid (AMPA) have not yet been reported to occur in the marine environment, presumably due to a lack of suitable analytical methods. In this study, we developed two new methods for the analysis of glyphosate and AMPA in seawater: a small-scale method, which includes an SPE cleanup step that minimizes salt-matrix effects during LC-MS/MS analysis, and a large-scale method that employs an additional SPE preconcentration step. Different SPE materials were evaluated for their suitability to enrich glyphosate and AMPA from saltwater and a molecularly imprinted polymer was selected. Both methods were validated in ultrapure water and environmental seawater. Achieved limits of detection with the small-scale method were 6 and 8 ng/L for glyphosate and AMPA, while the large-scale method achieved 0.12 and 0.22 ng/L, respectively. The small-scale method was used to analyze environmental samples from the Warnow Estuary in Germany. Glyphosate and AMPA could be successfully detected in the samples, but could not be measured beyond the saline estuary due to dilution and degradation effects. A set of samples from the western Baltic Sea was analyzed with the large-scale method. Glyphosate and AMPA could be detected in all Baltic Sea samples, especially at stations close to estuaries. To the best of our knowledge, this is the first report on the occurrence of glyphosate and AMPA in seawater.
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Affiliation(s)
- Marisa A Wirth
- Leibniz Institute for Baltic Sea Research Warnemünde, Department of Marine Chemistry, Seestraße 15, 18119, Rostock, Germany.
| | - Detlef E Schulz-Bull
- Leibniz Institute for Baltic Sea Research Warnemünde, Department of Marine Chemistry, Seestraße 15, 18119, Rostock, Germany
| | - Marion Kanwischer
- Leibniz Institute for Baltic Sea Research Warnemünde, Department of Marine Chemistry, Seestraße 15, 18119, Rostock, Germany
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31
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Shahraki AH, Chaganti SR, Heath DD. Diel Dynamics of Freshwater Bacterial Communities at Beaches in Lake Erie and Lake St. Clair, Windsor, Ontario. MICROBIAL ECOLOGY 2021; 81:1-13. [PMID: 32621209 DOI: 10.1007/s00248-020-01539-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 06/08/2020] [Indexed: 06/11/2023]
Abstract
Bacteria play a key role in freshwater biogeochemical cycling as well as water safety, but short-term trends in freshwater bacterial community composition and dynamics are not yet well characterized. We sampled four public beaches in southern Ontario, Canada; in June, July, and August (2016) over a 24-h (diel) cycle at 2-h intervals. Using high-throughput sequencing of 16S rRNA gene, we found substantial bi-hourly and day/night variation in the bacterial communities with considerable fluctuation in the relative abundance of Actinobacteria and Proteobacteria phyla. Moreover, relative abundance of Enterobacteriaceae (associated with potential health risk) was significantly high at night in some dial cycles. Diversity was significantly high at night across most of the diel sampling events. qPCR assays showed a substantial bi-hourly variation of Escherichia coli levels with a significant high level of E. coli at night hours in comparison with day hours and the lowest levels at noon and during the afternoon hours. Taken together, these findings highlighted a considerable short-term temporal variation of bacterial communities which helps better understanding of freshwater bacterial dynamics and their ecology. E. coli monitoring showed that multiple samples in different hours will provide more accurate picture of freshwater safety and human health risk. Graphical abstract.
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Affiliation(s)
| | - Subba Rao Chaganti
- Great Lakes Institute for Environmental Research, University of Windsor, Windsor, Ontario, N9B 3P4, Canada
- Cooperative Institute for Great Lakes Research, School of Environment and Sustainability, University of Michigan, Ann Arbor, MI, USA
| | - Daniel D Heath
- Great Lakes Institute for Environmental Research, University of Windsor, Windsor, Ontario, N9B 3P4, Canada.
- Department of Integrative Biology, University of Windsor, Windsor, ON, Canada.
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32
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The Effects of Glyphosate and Its Commercial Formulations to Marine Invertebrates: A Review. JOURNAL OF MARINE SCIENCE AND ENGINEERING 2020. [DOI: 10.3390/jmse8060399] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Glyphosate is the active ingredient of numerous commercial formulations of herbicides applied in different sectors, from agriculture to aquaculture. Due to its widespread use around the world, relatively high concentrations of glyphosate have been detected in soil and aquatic environments. The presence of glyphosate in aquatic ecosystems has aroused the attention of researchers because of its potential negative effects on living organisms, both animals and plants. In this context, this review intends to summarize results of studies aimed at evaluating the effects of glyphosate (both as active ingredient and component of commercial formulations) on marine invertebrates. Generally, data obtained in acute toxicity tests indicate that glyphosate and its commercial formulations are lethal at high concentrations (not environmentally realistic), whereas results of long-lasting experiments indicate that glyphosate can markedly affect biological responses of marine invertebrates. Consequently, more efforts should be addressed at evaluating chronic or sub-chronic effects of such substances to marine invertebrate species.
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33
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Berman MC, Llames ME, Minotti P, Fermani P, Quiroga MV, Ferraro MA, Metz S, Zagarese HE. Field evidence supports former experimental claims on the stimulatory effect of glyphosate on picocyanobacteria communities. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 701:134601. [PMID: 31734485 DOI: 10.1016/j.scitotenv.2019.134601] [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: 06/18/2019] [Revised: 09/07/2019] [Accepted: 09/20/2019] [Indexed: 06/10/2023]
Abstract
Glyphosate-based herbicides are the most commonly used herbicide worldwide. Although glyphosate is known to be toxic to aquatic organisms, it can also have stimulatory effects on small-size (ø <2 µm) cyanobacteria (Pcy) able to metabolize and degrade glyphosate and AMPA. Several previous experimental studies in micro- and mesocosms reported increases of Pcy abundance in response to glyphosate additions, but comparable field evidence is presently unavailable. We surveyed a large geographical area in order to collect information on Pcy abundance from lakes within the Pampa region (with over three decades of glyphosate usage) and lakes from Patagonia (with virtually no history of glyphosate usage). Fifty-two Pampean lakes and 24 Patagonian lakes were surveyed. We used three indicators of glyphosate impact: herbicide concentration, the presence of phosphonate metabolism genes (responsible for glyphosate and AMPA degradation) in environmental DNA samples, and descriptors of land use in the surrounding area of each lake. We addressed three questions: (1) is there field evidence of stimulatory effects of glyphosate on picocyanobacteria abundance? (2) is the magnitude of the effects of glyphosate in natural systems comparable to that reported under controlled experimental conditions? and (3), how do the effects of glyphosate compare to the effects of other potential environmental drivers of Pcy biomass? The collected evidence is consistent with the hypothesis that long-term agricultural practices relying on glyphosate-based technologies had important effects on freshwater microbial communities, particularly by promoting increases in picocyanobacteria abundance.
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Affiliation(s)
- Manuel Castro Berman
- Institute of Biotechnological Research. Av., Intendente Marinos Km. 8,2, 7130 PB Chascomús, Buenos Aires, Argentina.
| | - María E Llames
- Institute of Biotechnological Research. Av., Intendente Marinos Km. 8,2, 7130 PB Chascomús, Buenos Aires, Argentina
| | - Priscilla Minotti
- Institute of Environmental Research and Engineering. Campus Miguelete, 25 de Mayo y Francia, 1650 PB San Martín, Buenos Aires, Argentina
| | - Paulina Fermani
- Institute of Biotechnological Research. Av., Intendente Marinos Km. 8,2, 7130 PB Chascomús, Buenos Aires, Argentina
| | - María V Quiroga
- Institute of Biotechnological Research. Av., Intendente Marinos Km. 8,2, 7130 PB Chascomús, Buenos Aires, Argentina
| | - Marcela A Ferraro
- Institute of Biotechnological Research. Av., Intendente Marinos Km. 8,2, 7130 PB Chascomús, Buenos Aires, Argentina
| | - Sebastián Metz
- Institute of Biotechnological Research. Av., Intendente Marinos Km. 8,2, 7130 PB Chascomús, Buenos Aires, Argentina
| | - Horacio E Zagarese
- Institute of Biotechnological Research. Av., Intendente Marinos Km. 8,2, 7130 PB Chascomús, Buenos Aires, Argentina
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Hellweger FL, Vick C, Rückbeil F, Bucci V. Fresh Ideas Bloom in Gut Healthcare to Cross-Fertilize Lake Management. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:14099-14112. [PMID: 31647664 DOI: 10.1021/acs.est.9b04218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Harmful bacteria may be the most significant threat to human gut and lake ecosystem health, and they are often managed using similar tools, like poisoning with antibiotics or algicides. Out-of-the-box thinking in human microbiome engineering is leading to novel methods, like engineering bacteria to kill pathogens, "persuade" them not to produce toxins, or "mop up" their toxins. The bacterial agent can be given a competitive edge via an exclusive nutrient, and they can be engineered to commit suicide once their work is done. Viruses can kill pathogens with specific DNA sequences or knock out their antibiotic resistance genes using CRISPR technology. Some of these ideas may work for lakes. We critically review novel methods for managing harmful bacteria in the gut from the perspective of managing toxic cyanobacteria in lakes, and discuss practical aspects such as modifying bacteria using genetic engineering or directed evolution, mass culturing and controlling the agents. A key knowledge gap is in the ecology of strains, like toxigenic vs nontoxigenic Microcystis, including allelopathic and Black Queen interactions. Some of the "gut methods" may have future potential for lakes, but there presently is no substitute for established management approaches, including reducing N and P nutrient inputs, and mitigating climate change.
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Affiliation(s)
- Ferdi L Hellweger
- Water Quality Engineering , Technical University of Berlin , Berlin 10623 , Germany
| | - Carsten Vick
- Water Quality Engineering , Technical University of Berlin , Berlin 10623 , Germany
| | - Fiona Rückbeil
- Water Quality Engineering , Technical University of Berlin , Berlin 10623 , Germany
| | - Vanni Bucci
- Department of Bioengineering , University of Massachusetts Dartmouth , North Dartmouth , Massachusetts 02747 , United States
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Brock AL, Rein A, Polesel F, Nowak KM, Kästner M, Trapp S. Microbial Turnover of Glyphosate to Biomass: Utilization as Nutrient Source and Formation of AMPA and Biogenic NER in an OECD 308 Test. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:5838-5847. [PMID: 30994338 DOI: 10.1021/acs.est.9b01259] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Environmental fate assessment of chemicals involves standardized simulation tests with isotope-labeled molecules to balance transformation, mineralization, and formation of nonextractable residues (NER). Methods to predict microbial turnover and biogenic NER have been developed, having limited use when metabolites accumulate, the chemicals are not the only C source, or provide for other macroelements. To improve predictive capability, we extended a recently developed method for microbial growth yield estimation to account for incomplete degradation and multiple-element assimilation and combined it with a dynamic model for fate description in soils and sediments. We evaluated the results against the unique experimental data of 13C3-15N co-labeled glyphosate turnover with AMPA formation in water-sediment systems (OECD 308). Balancing 13C- and 15N- fluxes to biomass showed a pronounced shift of glyphosate transformation from full mineralization to AMPA formation. This may be explained by various hypotheses, for example, the limited substrate turnover inherent to the batch conditions of the test system causing microbial starvation or inhibition by P release. Modeling results indicate initial N overload due to the lower C/N ratio in glyphosate compared to average cell composition leading to subsequent C demand and accumulation of AMPA.
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Affiliation(s)
- Andreas Libonati Brock
- Department of Environmental Engineering , Technical University of Denmark , Bygningstorvet 115 , 2800 Kgs . Lyngby , Denmark
| | - Arno Rein
- Chair of Hydrogeology , Technical University of Munich , Arcisstrasse 21 , Munich 80333 , Germany
| | - Fabio Polesel
- Department of Environmental Engineering , Technical University of Denmark , Bygningstorvet 115 , 2800 Kgs . Lyngby , Denmark
| | - Karolina M Nowak
- Department of Environmental Biotechnology , Helmholtz-Centre for Environmental Research-UFZ , Permoserstrasse 15 , 04318 Leipzig , Germany
| | - Matthias Kästner
- Department of Environmental Biotechnology , Helmholtz-Centre for Environmental Research-UFZ , Permoserstrasse 15 , 04318 Leipzig , Germany
| | - Stefan Trapp
- Department of Environmental Engineering , Technical University of Denmark , Bygningstorvet 115 , 2800 Kgs . Lyngby , Denmark
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Liu T, Xu S, Lu S, Qin P, Bi B, Ding H, Liu Y, Guo X, Liu X. A review on removal of organophosphorus pesticides in constructed wetland: Performance, mechanism and influencing factors. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 651:2247-2268. [PMID: 30332661 DOI: 10.1016/j.scitotenv.2018.10.087] [Citation(s) in RCA: 99] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 10/07/2018] [Accepted: 10/07/2018] [Indexed: 05/12/2023]
Abstract
The residues of organophosphorus pesticides (OPPs) have been widely detected in rivers, the gulf, and even groundwater and drinking water, which may pose a serious threat to aquatic ecosystems and human health. Compared to other treatments, constructed wetlands (CWs) have been demonstrated to be a cost-effective alternative risk mitigation strategy for non-point-source pesticide pollution. This review summarizes 32 studies related to the remediation of OPPs in 117 CWs during 2001-2017 worldwide. The performances, mechanisms and influencing factors in the studies are comprehensively and critically reviewed in this paper. Overall, the OPPs were efficiently removed with an efficiency up to 87.22 ± 16.61%. The removal efficiency, differences and related reasons among different types of CWs in developed and developing countries and the different types of OPPs in CWs are well-evaluated in detail. In addition, the main processes for OPPs removal in CWs involve phytoremediation (plant uptake, phytoaccumulation, phytovolatilization and phytodegradation), substrate adsorption or sedimentation, and biodegradation. Based on the quantitative analysis by mass balance, for water-soluble pesticides, the dominant removal process was via microbiological degradation. This result was in contrast to findings obtained with hydrophobic OPPs, for which the dominant processes were biodegradation and sorption by substrate. Therefore, the behavior of microbial transformation prevails. Additionally, the presence of plants can facilitate the elimination of OPPs in CWs, promoting the process by an average percentage of approximately 6.19 ± 9.46%. Statistical analysis shows that loading of inlet OPPs is the largest limiting factor and that the HRT and T are the most significant parameters that influence the efficiency of trapping OPPs in CWs. Simultaneously, we can also obtain suitable parameters for the design and operation of CWs. This review promotes further research on plant-microbe joint combined remediation and examines the different behaviors of water-soluble and hydrophobic OPPs in CWs.
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Affiliation(s)
- Tao Liu
- College of Civil Engineering, Hunan University, Changsha 410082, People's Republic of China
| | - Shirong Xu
- College of Civil Engineering, Hunan University, Changsha 410082, People's Republic of China
| | - Shaoyong Lu
- State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu (SEPSORSLD), National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria an Risk Assessment, Research Centre of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, People's Republic of China.
| | - Pan Qin
- State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu (SEPSORSLD), National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria an Risk Assessment, Research Centre of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, People's Republic of China
| | - Bin Bi
- State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu (SEPSORSLD), National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria an Risk Assessment, Research Centre of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, People's Republic of China
| | - Haodong Ding
- State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu (SEPSORSLD), National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria an Risk Assessment, Research Centre of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, People's Republic of China
| | - Ying Liu
- State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu (SEPSORSLD), National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria an Risk Assessment, Research Centre of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, People's Republic of China
| | - Xiaochun Guo
- State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu (SEPSORSLD), National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria an Risk Assessment, Research Centre of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, People's Republic of China.
| | - Xiaohui Liu
- State Environmental Protection Scientific Observation and Research Station for Lake Dongtinghu (SEPSORSLD), National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria an Risk Assessment, Research Centre of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, People's Republic of China; School of Environment, Tsinghua University, Beijing 100084, People's Republic of China.
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