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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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Sorochkina K, Martens-Habbena W, Reardon CL, Inglett PW, Strauss SL. Nitrogen-fixing bacterial communities differ between perennial agroecosystem crops. FEMS Microbiol Ecol 2024; 100:fiae064. [PMID: 38637314 DOI: 10.1093/femsec/fiae064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 03/28/2024] [Accepted: 04/17/2024] [Indexed: 04/20/2024] Open
Abstract
Biocrusts, common in natural ecosystems, are specific assemblages of microorganisms at or on the soil surface with associated microorganisms extending into the top centimeter of soil. Agroecosystem biocrusts have similar rates of nitrogen (N) fixation as those in natural ecosystems, but it is unclear how agricultural management influences their composition and function. This study examined the total bacterial and diazotrophic communities of biocrusts in a citrus orchard and a vineyard that shared a similar climate and soil type but differed in management. To contrast climate and soil type, these biocrusts were also compared with those from an apple orchard. Unlike natural ecosystem biocrusts, these agroecosystem biocrusts were dominated by proteobacteria and had a lower abundance of cyanobacteria. All of the examined agroecosystem biocrust diazotroph communities were dominated by N-fixing cyanobacteria from the Nostocales order, similar to natural ecosystem cyanobacterial biocrusts. Lower irrigation and fertilizer in the vineyard compared with the citrus orchard could have contributed to biocrust microbial composition, whereas soil type and climate could have differentiated the apple orchard biocrust. Season did not influence the bacterial and diazotrophic community composition of any of these agroecosystem biocrusts. Overall, agricultural management and climatic and edaphic factors potentially influenced the community composition and function of these biocrusts.
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Affiliation(s)
- Kira Sorochkina
- Department of Soil, Water, and Ecosystem Sciences, University of Florida, Gainesville, FL, United States
- Southwest Research and Education Center, University of Florida, Immokalee, FL, United States
| | - Willm Martens-Habbena
- Fort Lauderdale Research and Education Center, University of Florida, Fort Lauderdale, FL, United States
| | - Catherine L Reardon
- Soil and Water Conservation Research Unit, U.S. Department of Agriculture, Agricultural Research Service (USDA-ARS), Pendleton, OR, United States
| | - Patrick W Inglett
- Department of Soil, Water, and Ecosystem Sciences, University of Florida, Gainesville, FL, United States
| | - Sarah L Strauss
- Department of Soil, Water, and Ecosystem Sciences, University of Florida, Gainesville, FL, United States
- Southwest Research and Education Center, University of Florida, Immokalee, FL, United States
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Luzzi JI, Aparicio VC, De Geronimo E, Ledda A, Sauer VM, Costa JL. Degradation of atrazine, glyphosate, and 2,4-D in soils collected from two contrasting crop rotations in Southwest Chaco, Argentina. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2024; 59:98-111. [PMID: 38297504 DOI: 10.1080/03601234.2024.2305596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
Argentina stands as one of the leading consumers of herbicides. In a laboratory incubation experiment, the persistence and production of degradation metabolites of Atrazine, 2,4-D, and Glyphosate were investigated in a loamy clay soil under two contrasting agricultural practices: continuous soybean cultivation (T1) and intensified rotations with grasses and legumes (T2). The soils were collected from a long-term no-till trial replicating the influence of the meteorological conditions in the productive region. The soil was enriched with diluted concentrations of 6.71, 9.95, and 24 mg a.i./kg-1 of soil for the respective herbicides, equivalent to annual doses commonly used in the productive region. Samples were taken at intervals of 0, 0.5, 1, 2, 4, 6, 8, 16, 32, and 64 days, and analysis was conducted using high-resolution liquid chromatography UPLC MS/MS. An optimal fit to the first-order kinetic model was observed for each herbicide in both rotations, resulting in relatively short half-lives. Intensified crop sequences favored the production of biotic degradation metabolites. The impact of the high frequency of soybean cultivation revealed a trend of soil acidification and a reduced biological contribution to attenuation processes in soil contamination.
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Affiliation(s)
- Johana I Luzzi
- Intern INTA CONICET, EEA INTA Las Breñas, Chaco, Argentina
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Mohy-Ud-Din W, Chen F, Bashir S, Akhtar MJ, Asghar HN, Farooqi ZUR, Zulfiqar U, Haider FU, Afzal A, Alqahtani MD. Unlocking the potential of glyphosate-resistant bacterial strains in biodegradation and maize growth. Front Microbiol 2023; 14:1285566. [PMID: 38204469 PMCID: PMC10777731 DOI: 10.3389/fmicb.2023.1285566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 11/27/2023] [Indexed: 01/12/2024] Open
Abstract
Glyphosate [N-(phosphonomethyl)-glycine] is a non-selective herbicide with a broad spectrum activity that is commonly used to control perennial vegetation in agricultural fields. The widespread utilization of glyphosate in agriculture leads to soil, water, and food crop contamination, resulting in human and environmental health consequences. Therefore, it is imperative to devise techniques for enhancing the degradation of glyphosate in soil. Rhizobacteria play a crucial role in degrading organic contaminants. Limited work has been done on exploring the capabilities of indigenously existing glyphosate-degrading rhizobacteria in Pakistani soils. This research attempts to discover whether native bacteria have the glyphosate-degrading ability for a sustainable solution to glyphosate contamination. Therefore, this study explored the potential of 11 native strains isolated from the soil with repeated glyphosate application history and showed resistance against glyphosate at higher concentrations (200 mg kg-1). Five out of eleven strains outperformed in glyphosate degradation and plant growth promotion. High-pressure liquid chromatography showed that, on average, these five strains degraded 98% glyphosate. In addition, these strains promote maize seed germination index and shoot and root fresh biomass up to 73 and 91%, respectively. Furthermore, inoculation gave an average increase of acid phosphatase (57.97%), alkaline phosphatase (1.76-fold), and dehydrogenase activity (1.75-fold) in glyphosate-contaminated soil. The findings indicated the importance of using indigenous rhizobacteria to degrade glyphosate. Therefore, by maintaining soil health, indigenous soil biodiversity can work effectively for the bioremediation of contaminated soils and sustainable crop production in a world facing food security.
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Affiliation(s)
- Waqas Mohy-Ud-Din
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
- Department of Soil and Environmental Sciences, Ghazi University, Dera Ghazi Khan, Pakistan
- Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Baltimore, MD, United States
| | - Feng Chen
- Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Baltimore, MD, United States
| | - Safdar Bashir
- Department of Soil and Environmental Sciences, Ghazi University, Dera Ghazi Khan, Pakistan
| | - Muhammad Javed Akhtar
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Hafiz Naeem Asghar
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Zia Ur Rahman Farooqi
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Usman Zulfiqar
- Department of Agronomy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Fasih Ullah Haider
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Aneeqa Afzal
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Mashael Daghash Alqahtani
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
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Wang S, Han Y, Wu X, Sun H. Metagenomics reveals the effects of glyphosate on soil microbial communities and functional profiles of C and P cycling in the competitive vegetation control process of Chinese fir plantation. ENVIRONMENTAL RESEARCH 2023; 238:117162. [PMID: 37722584 DOI: 10.1016/j.envres.2023.117162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 09/08/2023] [Accepted: 09/15/2023] [Indexed: 09/20/2023]
Abstract
Although considerable efforts have been devoted to investigate the behavior of glyphosate on microbiome in various environment, knowledge about the soil microbial community and functional profile in weeds control process of the Chinese fir plantation are limited. In this study, shotgun metagenomic sequencing was used to determine the abundance and diversity of microbial communities and functional genes after foliar application of glyphosate for 1, 2, 3 and 4 months in a Chinese fir plantation. The results showed that glyphosate increased the copy numbers (qPCR) of 16S rRNA gene for 16.9%, improved the bacterial diversity (Shannon index) and complexity of bacterial co-occurrence network, and changed the abundances of some bacterial and fungal taxa, but had no effects on ITS gene copy numbers, fungal Shannon index, and bacterial and fungal communities (PCoA). Glyphosate application significantly decreased the amount of microbial function potentials involved in organic P mineralization for 10.7%, chitin degradation for 13.1%, and CAZy gene families with an exception of PL for 11.5% at the first month, while did not affect the profile of microbial genes response to P and C cycling in longer term. In addition, glyphosate reduced the contents of soil TOC, DOC and NH4+-H for 17.6%, 52.3% and 44.6% respectively, and decreased the starch, soluble sugar, Zn and Fe of Chinese fir leaves for 20.6%, 19.8%, 32.8% and 48.4% respectively. Mantle test, Spearman's correlation, and PLS-PM model revealed the connections among soil properties, tree nutrients, bacterial and fungal communities, and microbial function potentials were influenced by glyphosate. While our findings need to be validated in other filed and mechanistic studies, they may indicate that the foliar application of glyphosate has a potential effect on Chinese fir seedlings, and this effect may contribute to the changes of the bacterial community and soil properties including AN, DON and NH4+-H.
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Affiliation(s)
- Song Wang
- Research Institute of Subtropical Forestry of Chinese Academy of Forestry, Hangzhou, Zhejiang, 311400, China
| | - Yuanyuan Han
- Research Institute of Subtropical Forestry of Chinese Academy of Forestry, Hangzhou, Zhejiang, 311400, China
| | - Xiaoyu Wu
- Experimental Center of Subtropical Forestry, Chinese Academy of Forestry, Fenyi, 336600, China
| | - Honggang Sun
- Research Institute of Subtropical Forestry of Chinese Academy of Forestry, Hangzhou, Zhejiang, 311400, China.
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Hou X, Nan H, Chen X, Ge F, Liu Y, Li F, Zhang D, Tian J. Slow release of attapulgite based nano-enabled glyphosate improves soil phosphatase activity, organic P-pool and proliferation of dominant bacterial community. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122408. [PMID: 37597734 DOI: 10.1016/j.envpol.2023.122408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 08/21/2023]
Abstract
Glyphosate (Glp) was encapsulated onto the dopamine-modified attapulgite to develop an attapulgite-based nano-enabled Glp (DGlp) in this study with comparable weed control effects to pure Glp and commercial Glp solutions. Within 24 hours, the active Glp molecule was slowly released from DGlp at a maximum remaining rate of over 90%, and then degraded similarly to Glp solution in soil. The addition of DGlp improved soil available phosphorus (P) contents, phosphatase activity, and enzyme extractable P fraction. However, compared to Glp solution, DGlp addition had no effect on the transformation of soil inorganic P fractions. The 16S rRNA sequencing and co-occurrence network results revealed that DGlp had no significant effect on the soil bacterial diversity but diminished the complexity of soil bacterial network. According to the Mantel test, DGlp addition stimulated soil phosphatase activity and proliferation of dominant bacterial taxa (Proteobacteria and Firmicutes) capable of degrading Glp. Proteobacteria and Firmicutes that had been extensively recruited and enriched for their phosphatase activities may have mobilized reactive enzyme-P, significantly enhancing the transformation of reactive organic P and P-pool in soil. These results contributed to our understanding of the ecotoxicity and environmental impacts of nano-enabled Glp prior to its successful and sustainable application in agriculture.
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Affiliation(s)
- Xuejuan Hou
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Hui Nan
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Xin Chen
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Fei Ge
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Yun Liu
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Feng Li
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Dayi Zhang
- College of New Energy and Environment, Jilin University, Changchun, 130021, PR China; Key Laboratory of Groundwater Resources and Environment Ministry of Education, Jilin University, Changchun, 130021, PR China
| | - Jiang Tian
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China.
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Cornish CM, Bergholz P, Schmidt K, Sweetman J. How Benthic Sediment Microbial Communities Respond to Glyphosate and Its Metabolite: a Microcosm Experiment. MICROBIAL ECOLOGY 2023; 86:2949-2958. [PMID: 37674014 DOI: 10.1007/s00248-023-02296-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 08/28/2023] [Indexed: 09/08/2023]
Abstract
Glyphosate is the most commonly used agricultural herbicide in the world. In aquatic ecosystems, glyphosate often adsorbs to benthic substrates or is metabolized and degraded by microorganisms. The effects of glyphosate on microbial communities vary widely as microorganisms respond differently to exposure. To help understand the impacts of glyphosate on the sediment microbiome, we conducted a microcosm experiment examining the responses of benthic sediment microbial communities to herbicide treatments. Sediments from a prairie pothole wetland were collected, and 16S rRNA gene sequencing was used to analyze community composition 2-h and 14-days after a single treatment of low (0.07 ppm), medium (0.7 ppm), or high (7 ppm) glyphosate, aminomethylphosphonic acid (glyphosate metabolite), or a glyphosate-based commercial formula. We found no significant differences in microbial community composition across treatments, concentration levels, or day of sampling. These findings suggest that microbial species in the Prairie Pothole Region of North America may be tolerant to glyphosate exposure.
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Affiliation(s)
- Christine M Cornish
- Department of Biological Sciences, North Dakota State University, Fargo, ND, 58105, USA.
| | - Peter Bergholz
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, 58105, USA
- Institute for Quantitative Health Sciences & Engineering, Department of Microbiology & Molecular Genetics, Michigan State University, East Lansing, MI, 48823, USA
| | - Kaycie Schmidt
- Department of Microbiological Sciences, North Dakota State University, Fargo, ND, 58105, USA
| | - Jon Sweetman
- Department of Biological Sciences, North Dakota State University, Fargo, ND, 58105, USA
- Department of Ecosystem Science and Management, The Pennsylvania State University, University Park, PA, 16802, USA
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Han L, Xu H, Wang Q, Liu X, Li X, Wang Y, Nie J, Liu M, Ju C, Yang C. Deciphering the degradation characteristics of the fungicides imazalil and penflufen and their effects on soil bacterial community composition, assembly, and functional profiles. JOURNAL OF HAZARDOUS MATERIALS 2023; 460:132379. [PMID: 37643571 DOI: 10.1016/j.jhazmat.2023.132379] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/14/2023] [Accepted: 08/22/2023] [Indexed: 08/31/2023]
Abstract
The adsorption-desorption and degradation characteristics of two widely applied fungicides, imazalil and penflufen, and the responses of soil bacterial diversity, structure, function, and interaction after long-term exposure were systemically studied in eight different soils. The adsorption ability of imazalil in soil was significantly higher than that of penflufen. Both imazalil and penflufen degraded slowly in most soils following the order: imazalil > penflufen, with soil pH, silt, and clay content being the potential major influencing factors. Both imazalil and penflufen obviously inhibited the soil microbial functional diversity, altered the soil bacterial community and decreased its diversity. Although exposure to low and high concentrations of imazalil and penflufen strengthened the interactions among the soil bacterial communities, the functional diversity of the co-occurrence network tended to be simple at high concentrations, especially in penflufen treatment. Both imazalil and penflufen markedly disturbed soil nitrogen cycling, especially penflufen seriously inhibited most nitrogen cycling processes, such as nitrogen fixation and nitrification. Meanwhile, sixteen and ten potential degradative bacteria of imazalil and penflufen, respectively, were found in soils, including Kaistobacter and Lysobacter. Collectively, the long-term application of imazalil and penflufen could cause residual accumulation in soils and subsequently result in serious negative effects on soil ecology.
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Affiliation(s)
- Lingxi Han
- College of Horticulture, Qingdao Agricultural University, Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao), Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao 266109, China.
| | - Han Xu
- College of Horticulture, Qingdao Agricultural University, Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao), Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao 266109, China
| | - Qianwen Wang
- Central Laboratory, Qingdao Agricultural University, Qingdao 266109, China
| | - Xiaoli Liu
- College of Horticulture, Qingdao Agricultural University, Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao), Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao 266109, China
| | - Xiaoming Li
- College of Horticulture, Qingdao Agricultural University, Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao), Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao 266109, China
| | - Yiran Wang
- College of Horticulture, Qingdao Agricultural University, Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao), Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao 266109, China
| | - Jiyun Nie
- College of Horticulture, Qingdao Agricultural University, Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao), Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao 266109, China.
| | - Mingyu Liu
- College of Horticulture, Qingdao Agricultural University, Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao), Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao 266109, China
| | - Chao Ju
- College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao 266109, China
| | - Congjun Yang
- College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao 266109, China
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Abdelhak S, Menard Y, Artigas J. Effects of global change on the ability of stream biofilm to dissipate the herbicide glyphosate. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 324:121406. [PMID: 36893978 DOI: 10.1016/j.envpol.2023.121406] [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: 09/27/2022] [Revised: 02/21/2023] [Accepted: 03/05/2023] [Indexed: 06/18/2023]
Abstract
The herbicide glyphosate is contaminating a large number of freshwater ecosystems worldwide and its fate and effects remains uncertain in light of the effects of global change. The present study examines how variations in water temperature and light availability relative to global change affect the ability of stream biofilms to degrade the herbicide glyphosate. Biofilms were exposed in microcosms to two levels of water temperature simulating global warming (Ambient = 19-22 °C and Warm = 21-24 °C) and three levels of light representative of riparian habitat destruction due to land use change (Dark = 0, Intermediate = 600, High = 1200 μmol photons m-2 s-1). Biofilms were acclimated to six different experimental treatments, namely i) ambient temperature without light (AMB_D), ii) ambient temperature and intermediate light (AMB_IL), iii) ambient temperature and high light (AMB_HL), iv) warm temperature without light (WARM_D), v) warm temperature and intermediate light (WARM_IL) and vi) warm temperature and high light (WARM_HL). The ability of biofilms to degrade 50 μg L-1 of glyphosate was tested. Results showed that water temperature increase, but not light availability increase, significantly increased aminomethyl phosphonic acid (AMPA) production by biofilms. However, the combined increase of temperature and light generated the shortest time to dissipate half of the glyphosate supplied and/or half of the maximum AMPA produced (6.4 and 5.4 days, respectively) by biofilms. Despite light had a major effect in modulating biofilm structural and functional descriptors, the response of certain descriptors (i. e. chlorophyll-a concentration, bacterial density and diversity, nutrient content and PHO activity) to light availability increase depended on water temperature. Specifically, the biofilms in the WARM_HL treatment displayed the highest Glucosidase: Peptidase and Glucosidase: Phosphatase enzyme activity ratios and the lowest biomass C: N molar ratios compared to the other treatments. According to these results, warmer temperatures and high light availability could have been exacerbating the decomposition of organic C compounds in biofilms, including the use of glyphosate as a C source for microbial heterotrophs. This study shows that ecoenzymatic stoichiometry and xenobiotic biodegradation approaches can be combined to better understand the functioning of biofilms in pesticide-polluted streams.
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Affiliation(s)
- Selma Abdelhak
- Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement (LMGE), F-63000, Clermont-Ferrand, France
| | - Yoann Menard
- Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement (LMGE), F-63000, Clermont-Ferrand, France
| | - Joan Artigas
- Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement (LMGE), F-63000, Clermont-Ferrand, France.
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Hocking S, Toop T, Jones D, Graham I, Eastwood D. Assessing the relative impacts and economic costs of Japanese knotweed management methods. Sci Rep 2023; 13:3872. [PMID: 36932085 PMCID: PMC10023688 DOI: 10.1038/s41598-023-30366-9] [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: 10/27/2022] [Accepted: 02/21/2023] [Indexed: 03/19/2023] Open
Abstract
Sustainable land management encompasses a range of activity that balance land use requirements with wider conservation and ecosystem impact considerations. Perennial invasive alien plants (IAPs), such as Japanese knotweed, cause severe ecological and socio-economic impacts, and methods to control their spread also come at a cost. Synthetic herbicides are generally viewed as less sustainable and more ecologically damaging than alternative approaches. Here we used a comparative Life Cycle Assessment to evaluate the sustainability of herbicide-based management approaches and physical alternatives, using a large-scale Japanese knotweed field study as a model IAP system. Glyphosate-based methods elicited the lowest environmental impacts and economic costs during production. Geomembrane covering and integrated physiochemical methods were the costliest and imposed the greatest impacts. We discuss the costs and benefits of chemical and physical approaches for the sustainable management of invaded land and question how sustainable environmental stewardship is defined for the control of IAPs.
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Affiliation(s)
- Sophie Hocking
- Department of Biosciences, Swansea University, Singleton Park, Swansea, SA2 8PP, UK.
| | - Trisha Toop
- Agri-EPI Centre, Poultry Lane, Edgmond, Newport, TF10 8JZ, England, UK
- Harper Adams University, Poultry Lane, Edgmond, Newport, TF10 8NB, England, UK
| | - Daniel Jones
- Department of Biosciences, Swansea University, Singleton Park, Swansea, SA2 8PP, UK
- Advanced Invasives Ltd., Sophia House, 28 Cathedral Road, Cardiff, CF11 9LJ, UK
| | - Ian Graham
- Complete Weed Control Ltd., Unit 16, Hurworth Road, Newton Aycliffe, DL5 6UD, UK
| | - Daniel Eastwood
- Department of Biosciences, Swansea University, Singleton Park, Swansea, SA2 8PP, UK.
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Giaccio GCM, Saez JM, Estévez MC, Salinas B, Corral RA, De Gerónimo E, Aparicio V, Álvarez A. Developing a glyphosate-bioremediation strategy using plants and actinobacteria: Potential improvement of a riparian environment. JOURNAL OF HAZARDOUS MATERIALS 2023; 446:130675. [PMID: 36608579 DOI: 10.1016/j.jhazmat.2022.130675] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/21/2022] [Accepted: 12/23/2022] [Indexed: 06/17/2023]
Abstract
Glyphosate (Gly) and its principal degradation product, the aminomethylphosphonic acid (AMPA) were found in soils from a riparian environment in Argentina. Sixty-five actinobacteria were isolated from these soils, rhizosphere, and plants (Festuca arundinacea and Salix fragilis). The isolate Streptomyces sp. S5 was selected to be used as bioinoculant in a greenhouse test, in which plants, actinobacteria, and their combinations were assessed to bioremediate the riparian soil. The dissipation of both compounds were estimated. All treatments dissipated similarly the Gly, reaching 87-92 % of dissipation. AMPA, dissipation of 38 % and 42 % were obtained by Salix and Festuca, respectively, while they increased to 57 % and 70 % when the actinobacterium was added to each planted system. Regarding the total dissipation, the higher efficiencies for both compounds were achieved by the non-planted soils bioaugmented with the actinobacterium, with 91 % of Gly dissipated and 56 % for AMPA. According to our study, it could be suggested which strategy could be applied depending on the bioremediation type needed. If in situ bioremediation is necessary, the combination of phytoremediation and actinobacteria bioaugmentation could be convenient. On the other hand, if ex situ bioremediation is needed, the inoculation of the soil with an actinobacterium capable to dissipate Gly and AMPA could be the more efficient and easier alternative.
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Affiliation(s)
- Gustavo C M Giaccio
- Instituto Nacional de Tecnología Agropecuaria (INTA), Chacra Experimental Integrada Barrow (MDA-INTA), Ruta 3 Km 488. 7500 Tres Arroyos, Buenos Aires, Argentina
| | - Juliana M Saez
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, 4000 Tucumán, Argentina
| | - María C Estévez
- Instituto Superior de Investigaciones Biológicas (INSIBIO-CONICET), Batalla de Chacabuco 461, 4000 Tucumán, Argentina
| | - Bárbara Salinas
- Facultad de Ciencias Naturales e IML, Universidad Nacional de Tucumán (UNT), Miguel Lillo 205, 4000, Tucumán, Argentina
| | - Raúl A Corral
- Instituto Nacional de Tecnología Agropecuaria (INTA), Chacra Experimental Integrada Barrow (MDA-INTA), Ruta 3 Km 488. 7500 Tres Arroyos, Buenos Aires, Argentina
| | - Eduardo De Gerónimo
- Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Balcarce, Ruta 226 Km 73.5. 7620 Balcarce, Buenos Aires, Argentina
| | - Virginia Aparicio
- Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Balcarce, Ruta 226 Km 73.5. 7620 Balcarce, Buenos Aires, Argentina
| | - Analía Álvarez
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, 4000 Tucumán, Argentina; Facultad de Ciencias Naturales e IML, Universidad Nacional de Tucumán (UNT), Miguel Lillo 205, 4000, Tucumán, Argentina.
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12
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Masotti F, Garavaglia BS, Gottig N, Ottado J. Bioremediation of the herbicide glyphosate in polluted soils by plant-associated microbes. Curr Opin Microbiol 2023; 73:102290. [PMID: 36893683 DOI: 10.1016/j.mib.2023.102290] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 03/09/2023]
Abstract
Most productive lands worldwide base their crop production on the use of glyphosate (GLY)-resistant plants, and consequently, widespread use of this herbicide has led to environmental issues that need to be solved. Soil bioremediation technologies based on degradation of GLY by microorganisms are strategies that have been considered useful to solve this environmental problem. Recently, a further step has been taken considering the use of bacteria that interact with plants, either alone or both bacteria and plant together, for the removal of GLY herbicide. Plant-interacting microorganisms with plant growth-promoting traits can also enhance plant growth and contribute to successful bioremediation strategies.
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Affiliation(s)
- Fiorella Masotti
- Instituto de Biología Molecular y Celular de Rosario, Consejo Nacional de Investigaciones Científicas y Técnicas (IBR-CONICET) and Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario (UNR), Ocampo y Esmeralda, Rosario 2000, Argentina
| | - Betiana S Garavaglia
- Instituto de Biología Molecular y Celular de Rosario, Consejo Nacional de Investigaciones Científicas y Técnicas (IBR-CONICET) and Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario (UNR), Ocampo y Esmeralda, Rosario 2000, Argentina
| | - Natalia Gottig
- Instituto de Biología Molecular y Celular de Rosario, Consejo Nacional de Investigaciones Científicas y Técnicas (IBR-CONICET) and Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario (UNR), Ocampo y Esmeralda, Rosario 2000, Argentina
| | - Jorgelina Ottado
- Instituto de Biología Molecular y Celular de Rosario, Consejo Nacional de Investigaciones Científicas y Técnicas (IBR-CONICET) and Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario (UNR), Ocampo y Esmeralda, Rosario 2000, Argentina.
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13
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Hossen K, Asato Y, Teruya T, Kato-Noguchi H. Identification of four allelopathic compounds including a novel compound from Elaeocarpus floribundus Blume and determination of their allelopathic activity. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 326:116728. [PMID: 36399811 DOI: 10.1016/j.jenvman.2022.116728] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/26/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
Allelopathic compounds can play a vital role in protecting the environment from pollution by synthetic herbicides. Compounds isolated from plant species with allelopathic potential can be used as natural herbicides to control weeds and help reduce environmental pollution. Elaeocarpus floribundus has been reported to contain allelopathic compounds. Aqueous methanolic extracts of the leaves of this plant showed strong growth inhibitory potential against two test species (monocotyledonous Italian ryegrass and dicotyledonous alfalfa) in plants- and dose-dependent technique. Several extensive chromatographic separations of the E. floribundus leaf extracts yielded four active compounds 1, 2, 3, and 4 (novel compound). All the identified compounds showed strong growth inhibitory potential against cress. The concentrations caused for 50% growth limitation (I50 values) of the cress seedlings were in the range 500.4-1913.1 μM. The findings indicate that the identified compounds might play a pivotal function in the allelopathic potential of E. floribundus tree. This report is the first on elaeocarpunone and its allelopathic potential.
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Affiliation(s)
- Kawsar Hossen
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, Miki, 761-0795, Japan; The United Graduate School of Agricultural Sciences, Ehime University, Matsuyama, 790-8566, Japan; Department of Agriculture, Faculty of Science, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh.
| | - Yuka Asato
- Graduate School of Engineering and Science, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa, 903-0213, Japan.
| | - Toshiaki Teruya
- Faculty of Education, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa, 903-0213, Japan.
| | - Hisashi Kato-Noguchi
- Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, Miki, 761-0795, Japan; The United Graduate School of Agricultural Sciences, Ehime University, Matsuyama, 790-8566, Japan.
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14
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Graziano M, Porfiri C, Tufo AE, Montoya JC, Afonso MDS. Reversibility of glyphosate sorption in pampean loess-derived soil profiles of central Argentina. CHEMOSPHERE 2023; 312:137143. [PMID: 36368529 DOI: 10.1016/j.chemosphere.2022.137143] [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: 06/07/2022] [Revised: 10/22/2022] [Accepted: 11/02/2022] [Indexed: 06/16/2023]
Abstract
There is a growing concern about glyphosate's behavior in the environment. Herbicide behavior in soils greatly depends on adsorption-desorption phenomena, which have shown great variability in soils, although the reversibility of this process has been less examined. The adsorption-desorption behavior of glyphosate was measured on representative soil profiles of the northeast region of Argentinean Pampas, a semi-arid crop cultivating region. Two soil profiles samples (P1 and P2, both Entic Haplustoll) were collected and segmented into depth increments of 0-10, 10-20, 20-40, 40-60, 60-80, and 80-100 cm. Batch adsorption/48 h-desorption isotherms were performed in a controlled setup. Soil samples had a high sand content (77-92%), and a low content of clay (<3%), but markedly differing in the available P content, especially in the upper layers of soil profiles (0-40 cm, P1 range 133-170 ppm; P2 range 7-43 ppm). Adsorption-desorption isotherms showed a similar range of variation, between 150 and 1400 L kg -1for KFads and 450-1400 L kg -1for KFdes, without appreciable evidence of hysteresis (0.95 ± 0.05). Sorption capacity parameters showed a distinct behavior with depth, P1 exhibiting a U-shape with minimum values at intermediate depths (20-60 cm), while P2 decreases sharply between 0 and 40 cm. General linear models considering the specific surface area (SSA) of each sample and the spatial correlation structure for soil profiles showed a main positive association of KFads and KFdes with the soil organic matter, together with a positive association with iron content (KFads), and a negative association of KFdes with available P content. These results indicate high adsorption extents and sorption reversibility of glyphosate to sandy loam soils of the region, which implies the potential for the herbicide to be available for leaching or degradation under a scenario of intensive use.
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Affiliation(s)
- Martín Graziano
- Departamento de Química Inorgánica, Analítica y Química Fisica, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE-UBA/CONICET), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina.
| | - Carolina Porfiri
- Estación Experimental Agropecuaria Anguil "Ing. Agr. Guillermo Covas", Instituto Nacional de Tecnología Agropecuaria (EEA Anguil, INTA), Anguil, La Pampa, Argentina
| | - Ana E Tufo
- Departamento de Química Inorgánica, Analítica y Química Fisica, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE-UBA/CONICET), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Jorgelina C Montoya
- Estación Experimental Agropecuaria Anguil "Ing. Agr. Guillermo Covas", Instituto Nacional de Tecnología Agropecuaria (EEA Anguil, INTA), Anguil, La Pampa, Argentina
| | - María Dos Santos Afonso
- Departamento de Química Inorgánica, Analítica y Química Fisica, Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE-UBA/CONICET), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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15
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Han L, Liu Y, Nie J, You X, Li Y, Wang X, Wang J. Indigenous functional microbial degradation of the chiral fungicide mandipropamid in repeatedly treated soils: Preferential changes in the R-enantiomer. JOURNAL OF HAZARDOUS MATERIALS 2022; 435:128961. [PMID: 35472545 DOI: 10.1016/j.jhazmat.2022.128961] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 04/15/2022] [Accepted: 04/16/2022] [Indexed: 06/14/2023]
Abstract
This study investigated the indigenous functional microbial communities associated with the degradation of chiral fungicide mandipropamid enantiomers in soils repeatedly treated with a single enantiomer. The R-enantiomer degraded faster than the S-enantiomer, with degradation half-lives ranging from 10.2 d to 79.2 d for the R-enantiomer and 10.4 d to 130.5 d for the S-enantiomer. Six bacterial genera, (Burkholderia, Paraburkholderia, Hyphomicrobium, Methylobacterium, Caballeronia, and Ralstonia) with R-enantiomer substrate preference and three bacterial genera (Haliangium, Sorangium, and Sandaracinus) with S-enantiomer substate preference were responsible for the preferential degradation of the R-enantiomer and S-enantiomer, respectively. KEGG analysis indicated that Burkholderia, Paraburkholderia, Hyphomicrobium, and Methylobacterium were the dominant contributors to soil microbial metabolic functions. Notably, six microbial metabolic pathways and twelve functional enzyme genes were associated with the preferential degradation of the R-enantiomer, whose relative abundances in the R-enantiomer treatment were higher than those in the S-enantiomer treatment. A constructed biodegradation gene (BDG) protein database analysis further confirmed that Burkholderia, Paraburkholderia, Hyphomicrobium, Methylobacterium, and Ralstonia were the potential hosts of five dominant BDGs, bphA1, benA, bph, p450, and ppah. We concluded that bacterial genera Burkholderia, Paraburkholderia, Hyphomicrobium, and Methylobacterium may play pivotal roles in the preferential degradation of mandipropamid R-enantiomer in repeatedly treated soils.
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Affiliation(s)
- Lingxi Han
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China; College of Horticulture, Qingdao Agricultural University/Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao)/Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao 266109, China
| | - Yalei Liu
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China
| | - Jiyun Nie
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China; College of Horticulture, Qingdao Agricultural University/Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao)/Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao 266109, China
| | - Xiangwei You
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China
| | - Yiqiang Li
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China
| | - Xiuguo Wang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China.
| | - Jun Wang
- College of Resources and Environment, Key Laboratory of Agricultural Environment, Shandong Agricultural University, Tai'an 271000, PR China
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16
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Gonzalo Mayoral ES, Aparicio VC, De Gerónimo E, Fernandes G, Rheinheimer Dos Santos D, Costa JL. Glyphosate, AMPA, and metsulfuron-methyl retention in the main horizons of a Typic Argiudoll. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2022; 57:526-540. [PMID: 35502688 DOI: 10.1080/03601234.2022.2069982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Retention is one of the processes controlling the behavior and fate of pesticides in soil. The objective of this work was to evaluate the adsorption and desorption of glyphosate, AMPA, and metsulfuron-methyl in the main horizons of a Typic Argiudoll destined for agricultural use. For this purpose, the batch equilibrium method was used at a range of concentrations for each compound. Desorption was performed in three consecutive steps after the adsorption experiment. The results obtained showed strong adsorption of glyphosate and AMPA in the three horizons, following the trend B > A > C, with weak desorption. Metsulfuron-methyl, on the other hand, showed weak adsorption in the three horizons, following the trend A > B > C, with relevant desorption. Our results allow us to identify metsulfuron-methyl as the compound that poses the greatest environmental risk in terms of the potential contamination of other areas and groundwater. However, despite their strong adsorption and weak desorption, glyphosate and AMPA also represent potential contaminants of other environmental matrices.
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Affiliation(s)
- Eliana S Gonzalo Mayoral
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- Estación Experimental Agropecuaria Balcarce - Instituto Nacional de Tecnología Agropecuaria (INTA) Balcarce, Balcarce, Buenos Aires, Argentina
| | - Virginia C Aparicio
- Estación Experimental Agropecuaria Balcarce - Instituto Nacional de Tecnología Agropecuaria (INTA) Balcarce, Balcarce, Buenos Aires, Argentina
| | - Eduardo De Gerónimo
- Estación Experimental Agropecuaria Balcarce - Instituto Nacional de Tecnología Agropecuaria (INTA) Balcarce, Balcarce, Buenos Aires, Argentina
| | - Gracieli Fernandes
- Centro de Ciências Rurais, Departamento de Solos, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - Danilo Rheinheimer Dos Santos
- Centro de Ciências Rurais, Departamento de Solos, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil
| | - José L Costa
- Estación Experimental Agropecuaria Balcarce - Instituto Nacional de Tecnología Agropecuaria (INTA) Balcarce, Balcarce, Buenos Aires, Argentina
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17
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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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18
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Han L, Liu T, Fang K, Li X, You X, Li Y, Wang X, Wang J. Indigenous functional microbial communities for the preferential degradation of chloroacetamide herbicide S-enantiomers in soil. JOURNAL OF HAZARDOUS MATERIALS 2022; 423:127135. [PMID: 34517298 DOI: 10.1016/j.jhazmat.2021.127135] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/22/2021] [Accepted: 09/02/2021] [Indexed: 06/13/2023]
Abstract
This study investigated indigenous functional microbial communities associated with the degradation of chloroacetamide herbicides acetochlor (ACE), S-metolachlor (S-MET) and their enantiomers in repeatedly treated soils. The results showed that biodegradation was the main process for the degradation of ACE, S-MET and their enantiomers. Eight dominant bacterial genera associated with the degradation were found: Amycolatopsis, Saccharomonospora, Mycoplasma, Myroides, Mycobacterium, Burkholderia, Afipia, and Kribbella. The S-enantiomers of ACE and S-MET were preferentially degraded, which mainly relied on Amycolatopsis, Saccharomonospora and Kribbella for the ACE S-enantiomer and Amycolatopsis and Saccharomonospora for the S-MET S-enantiomer. Importantly, the relative abundances of Amycolatopsis and Saccharomonospora increased by 146.3%-4467.2% in the S-enantiomer treatments of ACE and S-MET compared with the control, which were significantly higher than that in the corresponding R-enantiomer treatments (25.3%-4168.2%). Both metagenomic and qPCR analyses demonstrated that four genes, ppah, alkb, benA, and p450, were the dominant biodegradation genes (BDGs) potentially involved in the preferential degradation of the S-enantiomers of ACE and S-MET. Furthermore, network analysis suggested that Amycolatopsis, Saccharomonospora, Mycoplasma, Myroides, and Mycobacterium were the potential hosts of these four BDGs. Our findings indicated that Amycolatopsis and Saccharomonospora might play pivotal roles in the preferential degradation of the S-enantiomers of ACE and S-MET.
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Affiliation(s)
- Lingxi Han
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, PR China
| | - Tong Liu
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, PR China
| | - Kuan Fang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, PR China
| | - Xianxu Li
- College of Resources and Environment, Key Laboratory of Agricultural Environment, Shandong Agricultural University, Tai'an 271000, PR China
| | - Xiangwei You
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, PR China
| | - Yiqiang Li
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, PR China
| | - Xiuguo Wang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, PR China.
| | - Jun Wang
- College of Resources and Environment, Key Laboratory of Agricultural Environment, Shandong Agricultural University, Tai'an 271000, PR China.
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19
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Zhang Y, Cao H, Lu J, Li Y, Bao M. Enhanced photocatalytic activity of glyphosate over a combination strategy of GQDs/TNAs heterojunction composites. J Colloid Interface Sci 2022; 607:607-620. [PMID: 34520904 DOI: 10.1016/j.jcis.2021.08.160] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 08/03/2021] [Accepted: 08/24/2021] [Indexed: 01/01/2023]
Abstract
A photocatalytic process was used to effectively remove glyphosate, an emerging pollutant and contaminant, through advanced oxidation. For this purpose, a feasible combination strategy of two-step anodisation and electrodeposition methods were proposed to fabricate graphene quantum dots (GQDs) supported titanium dioxide nanotube arrays (TNAs). The resultant GQDs/TNAs heterojunction composite exhibited significant degradation reactivity and circulation stability for glyphosate due to its excellent photo-generated electron and hole separation ability. After the introduction of GQDs into TNAs, the photodegradation efficiency of glyphosate increased from 69.5% to 94.7% within 60 min under UV-Vis light irradiation (λ = 320-780 nm). By analysing the intermediate products and through the evolvement of heteroatoms during glyphosate photodegradation, alanine and serine were discovered for the first time, and a detailed degradation mechanism of glyphosate was proposed. This study indicates that GQDs/TNAs heterojunction composite can almost completely degrade the glyphosate into inorganics under the appropriate conditions.
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Affiliation(s)
- Yajie Zhang
- College of Chemistry and Chemical engineering, Ocean University of China, Qingdao 266100, China
| | - Hao Cao
- College of Chemistry and Chemical engineering, Ocean University of China, Qingdao 266100, China
| | - Jinren Lu
- College of Chemistry and Chemical engineering, Ocean University of China, Qingdao 266100, China.
| | - Yiming Li
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China
| | - Mutai Bao
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China
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20
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Florido FG, Regitano JB, Andrade PAM, Andreote FD, Brancalion PHS. A comprehensive experimental assessment of glyphosate ecological impacts in riparian forest restoration. ECOLOGICAL APPLICATIONS : A PUBLICATION OF THE ECOLOGICAL SOCIETY OF AMERICA 2022; 32:e02472. [PMID: 34652865 DOI: 10.1002/eap.2472] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 04/15/2021] [Accepted: 06/04/2021] [Indexed: 06/13/2023]
Abstract
Competition with invasive grasses is one of the most important drivers of tree planting failures, especially in tropical forests. A widely disseminated weeding approach has been glyphosate spraying, the most used herbicide globally in forestry and ecosystem restoration. However, glyphosate use in restoration is highly controversial and requires further studies to elucidate its effects on restoration processes and the environment. We evaluated the use of glyphosate in riparian forest restoration and its impacts on tree planting costs, weed control efficiency, planted seedling performance, herbaceous and woody species regeneration, soil bacteria, and environmental contamination, using mowing treatments as a reference and based on a controlled experiment established in the Brazilian Atlantic Forest. Glyphosate spraying reduced by one-half and one-third the accumulated aboveground biomass of, respectively, weeds in general and of the invasive grass Urochloa decumbens compared to mowing treatments, and it reduced the cost by half. The performance of planted tree seedlings was markedly favored by glyphosate spraying compared to mowing treatments, as expressed by improved seedling height (~twice higher), crown area (~5× higher), and basal area (~5× higher); the regeneration of both native woody and ruderal herbaceous plants were also enhanced. Neither glyphosate nor its metabolite Aminomethylphosphonic acid (AMPA) residues were detected in either water runoff or soil samples, but they were found at relatively high concentrations in the runoff sediments (from 1.32 to 24.75 mg/kg for glyphosate and from 1.75 to 76.13 mg/kg for AMPA). Soil bacteria communities differed before and after glyphosate spraying in comparison to mowing plots (without glyphosate). Glyphosate spraying was far more cost effective than mowing for controlling U. decumbens and greatly improved the performance of planted tree seedlings and natural regeneration, while not leaving residues in soil and water. However, the changes in the structure of bacterial communities and high concentration of glyphosate and AMPA residues in runoff sediments highlight the need for caution when using this herbicide in riparian buffers. We present alternatives for reducing glyphosate use and minimizing its risks in tree planting initiatives.
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Affiliation(s)
- Flávia G Florido
- Department of Forest Sciences, "Luiz de Queiroz" College of Agriculture, University of São Paulo, Avenida Pádua Dias, 11, Piracicaba, Sao Paulo, 13418-900, Brazil
| | - Jussara B Regitano
- Department of Soil Sciences, "Luiz de Queiroz" College of Agriculture, University of São Paulo, Avenida Pádua Dias, 11, Piracicaba, Sao Paulo, 13418-900, Brazil
| | - Pedro A M Andrade
- Department of Genetics, "Luiz de Queiroz" College of Agriculture, University of São Paulo, Avenida Pádua Dias, 11, Piracicaba, Sao Paulo, 13418-900, Brazil
| | - Fernando D Andreote
- Department of Soil Sciences, "Luiz de Queiroz" College of Agriculture, University of São Paulo, Avenida Pádua Dias, 11, Piracicaba, Sao Paulo, 13418-900, Brazil
| | - Pedro H S Brancalion
- Department of Forest Sciences, "Luiz de Queiroz" College of Agriculture, University of São Paulo, Avenida Pádua Dias, 11, Piracicaba, Sao Paulo, 13418-900, Brazil
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21
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Jezierska-Tys S, Joniec J, Mocek-Płóciniak A, Gałązka A, Bednarz J, Furtak K. Microbial activity and community level physiological profiles (CLPP) of soil under the cultivation of spring rape with the Roundup 360 SL herbicide. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2021; 19:2013-2026. [PMID: 34917389 PMCID: PMC8638805 DOI: 10.1007/s40201-021-00753-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 10/23/2021] [Indexed: 06/14/2023]
Abstract
PURPOSE The use of glyphosate in agriculture raises a lot of controversy because research concerning its impact on the soil provides contradictory information. However, despite these negative opinions, glyphosate is still used in agricultural practice. Therefore, for a more complete assessment, the authors carried out research using traditional microbiological methods and a modern method of metabolic profile analysis in glyphosate-treated soil. METHODS The study was carried out on the soil witch was sown with six cultivars of rapeseed. Seven days before harvest, the plants were sprayed with the herbicide. The analyses consisted in determining the number of selected groups of microorganisms, biochemical and enzymatic activity, and differentiation of the catabolic potential of soil microbial communities. RESULTS The results showed significant changes in the analyzed parameters. Respiratory activity and ammonification processes were stimulated in the treatments with rapeseed cultivation treated with the herbicide. Changes in the enzymatic activity were generally positive. The EcoPlate assessment of microbial community catabolism showed that the highest activity was recorded in the soil sown with the cultivars Belinda, Tamarin, and Sw svinto. Concurrently, these soils were characterized by the highest correlations between rapeseed cultivar and metabolic activity. CONCLUSION Cultivation of specific plant varieties that reduce the negative effect of herbicides used in agriculture may be one of the methods to prevent soil degradation. In our research, Belinda turned out to be a cultivar, under the cultivation of which an increase in the activity of microorganisms was recorded most frequently compared to soil not sown with rapeseed. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s40201-021-00753-3.
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Affiliation(s)
- Stefania Jezierska-Tys
- Department of Environmental Microbiology, Faculty of Agrobioengineering, University of Life Sciences in Lublin, Lublin, Poland
| | - Jolanta Joniec
- Department of Environmental Microbiology, Faculty of Agrobioengineering, University of Life Sciences in Lublin, Lublin, Poland
| | - Agnieszka Mocek-Płóciniak
- Department of General and Environmental Microbiology, Faculty of Agronomy and Bioengineering, Poznań University of Life Sciences, Poznań, Poland
| | - Anna Gałązka
- Department of Agricultural Microbiology, Institute of Soil Science and Plant Cultivation, State Research Institute, Puławy, Poland
| | - Joanna Bednarz
- Department of Environmental Microbiology, Faculty of Agrobioengineering, University of Life Sciences in Lublin, Lublin, Poland
| | - Karolina Furtak
- Department of Agricultural Microbiology, Institute of Soil Science and Plant Cultivation, State Research Institute, Puławy, Poland
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22
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Han L, Fang K, Liu Y, Fang J, Wang F, Wang X. Earthworms accelerated the degradation of the highly toxic acetochlor S-enantiomer by stimulating soil microbiota in repeatedly treated soils. JOURNAL OF HAZARDOUS MATERIALS 2021; 420:126669. [PMID: 34329120 DOI: 10.1016/j.jhazmat.2021.126669] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/05/2021] [Accepted: 07/14/2021] [Indexed: 06/13/2023]
Abstract
This study investigated the effects of earthworms on the enantioselective degradation of chloroacetamide herbicide acetochlor with soil microorganisms in repeatedly treated soils. The S-enantiomer degraded more slowly and exerted stronger inhibition on soil microbial functions than the R-enantiomer in single soil system. A synergistic effect was observed between soil microorganisms and earthworms that accelerated the degradation of both the enantiomers, particularly the highly toxic S-enantiomer, which resulted in the preferential degradation of S-enantiomer in soil-earthworm system. Earthworms stimulated five potential indigenous degraders (i.e. Lysobacter, Kaistobacter, Flavobacterium, Arenimonas, and Aquicell), induced two new potential degraders (i.e. Aeromonas and Algoriphagus), and also significantly strengthened the correlations among these seven dominant potential degraders and other microorganisms. Notably, the relative abundances of Flavobacterium and Aeromonas in soil treated with earthworms for S-enantiomer were higher than those for R-enantiomer. Furthermore, earthworms significantly stimulated overall soil microbial activity and improved three microbial metabolic pathways, and xenobiotics biodegradation and metabolism, signal transduction, cell motility, particularly for the S-enantiomer treatment with earthworms, which alleviated the strong inhibition of S-enantiomer on microbial community functions. This study confirmed that earthworms accelerated the degradation of the highly toxic acetochlor S-enantiomer in soil, providing a potential approach in chloroacetamide herbicide-polluted soil remediation.
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Affiliation(s)
- Lingxi Han
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China
| | - Kuan Fang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China
| | - Yalei Liu
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China
| | - Jianwei Fang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China
| | - Fenglong Wang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China
| | - Xiuguo Wang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences (CAAS), Qingdao 266101, PR China.
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Han L, Kong X, Xu M, Nie J. Repeated exposure to fungicide tebuconazole alters the degradation characteristics, soil microbial community and functional profiles. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 287:117660. [PMID: 34426382 DOI: 10.1016/j.envpol.2021.117660] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/22/2021] [Accepted: 06/23/2021] [Indexed: 06/13/2023]
Abstract
Tebuconazole is a broad-spectrum triazole fungicide that has been extensively applied in agriculture, but its toxicity on soil ecology remains unknown after repeated introduction to soil. This study investigated the degradation of tebuconazole and the changes in soil microbial community composition and functional diversity as well as network complexity in soil repeatedly treated with tebuconazole. Tebuconazole degraded slowly as the degradation half-life initially increased and then decreased during the four repeated treatments. High concentration of tebuconazole treatment significantly delayed the degradation of tebuconazole. The soil microbial functional diversity in tebuconazole-treated soils showed an inhibition-recovery-stimulation trend with increasing treatment frequency, which was related to the increased degradation rates of tebuconazole. Tebuconazole significantly decreased soil microbial biomass and bacterial community diversity, and this decreasing trend became more pronounced with increasing treatment frequency and concentration. Moreover, tebuconazole significantly decreased soil bacterial community network complexity, particularly at high concentration of tebuconazole treatment. Notably, four bacterial genera, Methylobacterium, Burkholderia, Hyphomicrobium, and Dermacoccus, were identified as the potential tebuconazole-degrading bacteria, with the relative abundances in the tebuconazole treatment significantly increasing by 42.1-34687.1% compared to the control. High concentration of tebuconazole treatment delayed increases in the relative abundances of Methylobacterium but promoted those of Burkholderia, Hyphomicrobium and Dermacoccus. Additionally, repeated tebuconazole treatments improved only four metabolic pathways, cell motility, membrane transport, environmental information processing, and xenobiotics biodegradation and metabolism, which were associated with the degradation of tebuconazole. The above results indicated that repeated tebuconazole treatments resulted in the significant accumulation of residues and long-term negative effects on soil ecology, and also emphasized the potential roles of dominant indigenous microbial bacteria in the degradation of tebuconazole.
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Affiliation(s)
- Lingxi Han
- College of Horticulture, Qingdao Agriculture University, Qingdao, 266109, China
| | - Xiabing Kong
- College of Horticulture, Qingdao Agriculture University, Qingdao, 266109, China
| | - Min Xu
- College of Horticulture, Qingdao Agriculture University, Qingdao, 266109, China
| | - Jiyun Nie
- College of Horticulture, Qingdao Agriculture University, Qingdao, 266109, China; Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao, 266109, China.
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24
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da Silva KA, Nicola VB, Dudas RT, Demetrio WC, Maia LDS, Cunha L, Bartz MLC, Brown GG, Pasini A, Kille P, Ferreira NGC, de Oliveira CMR. Pesticides in a case study on no-tillage farming systems and surrounding forest patches in Brazil. Sci Rep 2021; 11:9839. [PMID: 33972553 PMCID: PMC8110586 DOI: 10.1038/s41598-021-88779-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 04/01/2021] [Indexed: 02/03/2023] Open
Abstract
With the growing global concern on pesticide management, the relationship between its environmental recalcitrance, food security and human health has never been more relevant. Pesticides residues are known to cause significant environmental contamination. Here, we present a case study on long-term no-tillage farming systems in Brazil, where Glyphosate (GLY) has been applied for more than 35 years. GLY and its main breakdown product, aminomethylphosphonic acid (AMPA) were determined in topsoil (0-10 cm) samples from no-tillage fields and nearby subtropical secondary forests by high-performance liquid chromatography coupled with a fluorescence detector. In addition, the presence of carbamates, organochlorines, organophosphates and triazines were also screened for. GLY and AMPA were present in all soil samples, reaching values higher than those described for soils so far in the literature. A significant decrease for AMPA was observed only between the secondary forest and the farm's middle slope for site B. GLY and AMPA were observed respectively at peak concentrations of 66.38 and 26.03 mg/kg soil. GLY was strongly associated with forest soil properties, while AMPA associated more with no-tillage soil properties. Soil texture was a significant factor contributing to discrimination of the results as clay and sand contents affect GLY and AMPA retention in soils. This was the first study to report DDT and metabolites in consolidated no-tillage soils in Brazil (a pesticide fully banned since 2009). Based on human risk assessment conducted herein and the potential risk of GLY to local soil communities, this study offers a baseline for future studies on potential adverse effects on soil biota, and mechanistic studies.
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Affiliation(s)
- Karlo Alves da Silva
- grid.412402.10000 0004 0388 207XPrograma de Pós-Graduação em Gestão Ambiental, Universidade Positivo, Curitiba, 81280-330 Brasil
| | - Vitoria Beltrame Nicola
- grid.412402.10000 0004 0388 207XGraduação em Biomedicina, Universidade Positivo, Curitiba, 81280-330 Brasil
| | - Rafaela Tavares Dudas
- grid.412402.10000 0004 0388 207XPrograma de Pós-Graduação em Gestão Ambiental, Universidade Positivo, Curitiba, 81280-330 Brasil
| | - Wilian Carlo Demetrio
- grid.20736.300000 0001 1941 472XPrograma de Pós-Graduação em Ciências do Solo, Universidade Federal do Paraná, Curitiba, 80035-050 Brasil
| | - Lilianne dos Santos Maia
- grid.20736.300000 0001 1941 472XPrograma de Pós-Graduação em Ciências do Solo, Universidade Federal do Paraná, Curitiba, 80035-050 Brasil
| | - Luis Cunha
- grid.8051.c0000 0000 9511 4342Department of Life Sciences, Centre for Functional Ecology, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal ,grid.410658.e0000 0004 1936 9035School of Applied Sciences, University of South Wales, Pontypridd, CF37 4BD Wales UK
| | - Marie Luise Carolina Bartz
- grid.412402.10000 0004 0388 207XPrograma de Pós-Graduação em Gestão Ambiental, Universidade Positivo, Curitiba, 81280-330 Brasil ,grid.8051.c0000 0000 9511 4342Department of Life Sciences, Centre for Functional Ecology, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - George Gardner Brown
- grid.20736.300000 0001 1941 472XPrograma de Pós-Graduação em Ciências do Solo, Universidade Federal do Paraná, Curitiba, 80035-050 Brasil ,grid.460200.00000 0004 0541 873XEmbrapa Florestas, Colombo, Paraná 83411-000 Brasil
| | - Amarildo Pasini
- grid.411400.00000 0001 2193 3537Departamento de Agronomia, Universidade Estadual de Londrina, Londrina, 86057-970 Brasil
| | - Peter Kille
- grid.5600.30000 0001 0807 5670School of Biosciences, Cardiff University, Cardiff, CF10 3AX Wales, UK
| | - Nuno G. C. Ferreira
- grid.5600.30000 0001 0807 5670School of Biosciences, Cardiff University, Cardiff, CF10 3AX Wales, UK
| | - Cíntia Mara Ribas de Oliveira
- grid.412402.10000 0004 0388 207XPrograma de Pós-Graduação em Gestão Ambiental, Universidade Positivo, Curitiba, 81280-330 Brasil ,grid.412402.10000 0004 0388 207XGraduação em Biomedicina, Universidade Positivo, Curitiba, 81280-330 Brasil
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25
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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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Limon AW, Moingt M, Widory D. The carbon stable isotope compositions of glyphosate and aminomethylphosphonic acid (AMPA): Improved analytical sensitivity and first application to environmental water matrices. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2021; 35:e9017. [PMID: 33270272 DOI: 10.1002/rcm.9017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 12/01/2020] [Accepted: 12/02/2020] [Indexed: 06/12/2023]
Abstract
RATIONALE The presence of glyphosate and its degradation product aminomethylphosphonic acid (AMPA) in the environment has adverse effects on environmental quality, raising the need to better constrain their fates, in particular the processes that control their production and degradation. Our aim was to improve the sensitivity of their δ13 C analysis and demonstrate the feasibility of measuring them in natural surface water. METHODS The δ13 C values of dissolved glyphosate and AMPA were determined using isotope ratio mass spectrometry (IRMS) (Delta V Plus instrument) coupled to a high-performance liquid chromatography (HPLC) unit, where glyphosate and AMPA were separated on a Hypercarb column. RESULTS We demonstrated an improved sensitivity of the δ13 C analysis for glyphosate and AMPA by LC/IRMS compared with previous studies. For waters from the carbonate and silicate hydrofacies, while no pretreatment was required for the isotope analysis of glyphosate, removal by H3 PO4 acidification of dissolved inorganic carbon, that co-elutes with AMPA, was required prior to its analysis. We successfully tested a freeze-drying pre-concentration method showing no associated isotope fractionation up to concentration factors of 500 and 50 for glyphosate and AMPA, respectively. CONCLUSIONS We demonstrated, for the first time, the feasibility of measuring the δ13 C values of glyphosate and AMPA in natural surface waters with contrasted hydrofacies (calcium carbonate and silicate types). This opens new fields in pesticide research, especially on the characterization of processes that control their degradation and the production of their secondary byproducts.
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Affiliation(s)
- A Williams Limon
- GEOTOP/Université du Québec à Montréal, case postale 8888, , Montréal, QC, H3C 3P8, Canada
| | - Matthieu Moingt
- GEOTOP/Université du Québec à Montréal, case postale 8888, , Montréal, QC, H3C 3P8, Canada
| | - David Widory
- GEOTOP/Université du Québec à Montréal, case postale 8888, , Montréal, QC, H3C 3P8, Canada
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Prudnikova S, Streltsova N, Volova T. The effect of the pesticide delivery method on the microbial community of field soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:8681-8697. [PMID: 33064277 DOI: 10.1007/s11356-020-11228-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Accepted: 10/11/2020] [Indexed: 05/26/2023]
Abstract
The study deals with the effects of herbicides (metribuzin, tribenuron-methyl, fenoxaprop-P-ethyl) and fungicides (tebuconazole, epoxiconazole, azoxystrobin) applied to soil as free pesticides or as slow release formulations embedded in a biodegradable composite matrix on the structure of the soil microbial community. The matrix consisted of a natural biopolymer poly-3-hydroxybutyrate [P(3HB)] and a filler-one of the natural materials (peat, clay, and wood flour). The soil microbial community was characterized, including the major eco-trophic groups of bacteria, dominant taxa of bacteria and fungi, and primary P(3HB)-degrading microorganisms, such as Pseudomonas, Bacillus, Pseudarthrobacter, Streptomyces, Penicillium, and Talaromyces. The addition of free pesticides adversely affected the abundance of soil microorganisms; the decrease varied from 1.4 to 56.0 times for different types of pesticides. The slow release pesticide formulations, in contrast to the free pesticides, exerted a much weaker effect on soil microorganisms, no significant inhibition in the abundance of saprotrophic bacteria was observed, partly due to the positive effects of the composite matrix (polymer/natural material), which was a supplementary substrate for microorganisms. The slow release fungicide formulations, like the free fungicides, reduced the total abundance of fungi and inhibited the development of the phytopathogens Fusarium and Alternaria. Thus, slow release formulations of pesticides preserve the bioremediation potential of soil microorganisms, which are the main factor of removing xenobiotics from the biosphere.
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Affiliation(s)
| | | | - Tatiana Volova
- Siberian Federal University, 79 Svobodny pr, Krasnoyarsk, 660041, Russia
- Institute of Biophysics SB RAS, Federal Research Center "Krasnoyarsk Science Center SB RAS", 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia
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Medo J, Hricáková N, Maková J, Medová J, Omelka R, Javoreková S. Effects of sulfonylurea herbicides chlorsulfuron and sulfosulfuron on enzymatic activities and microbial communities in two agricultural soils. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:41265-41278. [PMID: 32681330 DOI: 10.1007/s11356-020-10063-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 07/07/2020] [Indexed: 06/11/2023]
Abstract
Sulfonylurea herbicides are widely used for weed control in agriculture, and they are suspected to alter microbial communities and activities in the soil. This study investigates the impact of two sulfonylurea herbicides chlorsulfuron and sulfosulfuron on microbial community and activity in two different soils taken from two sites in west part of the Slovak Republic. The soil from the Malanta site was silt-loam luvisol with pH(H2O) 5.78 while the soil from the Stefanov site was sandy-loam regosol with pH(H2O) 8.25. These soils were not treated by sulfonylurea herbicides at least for 2 years prior to the study. In laboratory assay, the herbicides were applied to soil in their maximal recommended doses 26 and 25 g per hectare of chlorsulfuron and sulfosulfuron, respectively. Their effect was evaluated on the 3rd, 7th, 14th, 28th, 56th, and 112th day after application to soil. Illumina high-throughput amplicon sequencing of the 16S rRNA gene and ITS region was used to monitor changes on prokaryotic and fungal community composition. Enzymatic activity was evaluated using 11 substrates. Physiological profile of microbial community was analyzed using Biolog© ecoplates. Significant changes in enzymatic activity caused by the application of herbicides were found during the first 28 days. The application of herbicides altered the activity of cellobiohydrolase, arylsulphatase, dehydrogenase, phosphatase, and FDA hydrolase. Chlorsulfuron caused a more varying response of enzymatic activity than sulfosulfuron, and observed changes were not the same for both soils. In Malanta soil, chlorsulfuron decreased dehydrogenase activity while it was increased in the Stefanov soil. Phosphatase activity was decreased in both soils on 7th and 14th day. There were only minor changes in prokaryotic or fungal community or physiological profiles regarding pesticide application. Differences between soils and incubation time explained most of the variability in these parameters. Diversity indices, physiological parameters, and enzymatic activity decreased over time. The results have shown that chlorsulfuron and sulfosulfuron can affect the function and activity of the soil microbial community without significant change in its composition.
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Affiliation(s)
- Juraj Medo
- Department of Microbiology, Slovak University of Agriculture in Nitra, Tr. A Hlinku 2, 949 76, Nitra, Slovakia.
| | - Nikola Hricáková
- Department of Microbiology, Slovak University of Agriculture in Nitra, Tr. A Hlinku 2, 949 76, Nitra, Slovakia
| | - Jana Maková
- Department of Microbiology, Slovak University of Agriculture in Nitra, Tr. A Hlinku 2, 949 76, Nitra, Slovakia
| | - Janka Medová
- Department of Mathematics, Constantine the Philosopher University in Nitra, Tr. A Hlinku 1, 949 74, Nitra, Slovakia
| | - Radoslav Omelka
- Department of Botany and Genetics, Constantine the Philosopher University in Nitra, Nábrežie mládeže 91, 949 74, Nitra, Slovakia
| | - Soňa Javoreková
- Department of Microbiology, Slovak University of Agriculture in Nitra, Tr. A Hlinku 2, 949 76, Nitra, Slovakia
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Aluffi ME, Carranza CS, Benito N, Magnoli K, Magnoli CE, Barberis CL. Isolation of culturable mycota from Argentinean soils exposed or not-exposed to pesticides and determination of glyphosate tolerance of fungal species in media supplied with the herbicide. Rev Argent Microbiol 2020; 52:221-230. [PMID: 31928836 DOI: 10.1016/j.ram.2019.11.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 10/31/2019] [Accepted: 11/11/2019] [Indexed: 11/30/2022] Open
Abstract
The current agricultural system has led to the development of glyphosate (GP)-resistant weeds, causing an increase in GP doses and applications. Native mycota of pesticide-contaminated sites are the major source of pesticide-degrading microorganisms. The aims of the present study were to isolate the GP-tolerant culturable mycota in two soils with different pesticide exposure from Córdoba, Argentina, and to evaluate the growth parameters in native fungal isolates in the presence of GP and the effective dose that caused 50% growth reduction. The results showed that the genera Fusarium, Aspergillus, Mucor, Penicillium and Sterilia were the prevalent fungi isolated from soils both exposed and not-exposed to pesticides. The highest value (>100mM) of effective concentration of herbicide that caused 50% growth inhibition (EC50), was found for Trichoderma isolates. Sterilia spp. had EC50 values of 100mM, while Aspergillus spp. and Mucor had EC50 values between 50 and 100mM. The growth rate evaluation varied according to the isolates and GP concentrations. The data showed that all Aspergillus spp., Trichoderma spp., Mucor and three Sterilia spp. had the best growth performance in media supplied with GP after a variable acclimation period. This study provides valuable data for further studies that would allow to know the metabolic capacity of these fungal species that can be potential candidates for GP removal from contaminated environments.
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Affiliation(s)
- Melisa Egle Aluffi
- Instituto de Investigación en Micología y Micotoxicología (IMICO-CONICET), Departamento de Microbiología e Inmunología, Facultad de Ciencias Exactas, Físico, Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina
| | - Cecilia Soledad Carranza
- Instituto de Investigación en Micología y Micotoxicología (IMICO-CONICET), Departamento de Microbiología e Inmunología, Facultad de Ciencias Exactas, Físico, Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina
| | - Nicolás Benito
- Instituto de Investigación en Micología y Micotoxicología (IMICO-CONICET), Departamento de Microbiología e Inmunología, Facultad de Ciencias Exactas, Físico, Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina
| | - Karen Magnoli
- Instituto de Investigación en Micología y Micotoxicología (IMICO-CONICET), Departamento de Microbiología e Inmunología, Facultad de Ciencias Exactas, Físico, Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina
| | - Carina Elizabeth Magnoli
- Instituto de Investigación en Micología y Micotoxicología (IMICO-CONICET), Departamento de Microbiología e Inmunología, Facultad de Ciencias Exactas, Físico, Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina
| | - Carla Lorena Barberis
- Instituto de Investigación en Micología y Micotoxicología (IMICO-CONICET), Departamento de Microbiología e Inmunología, Facultad de Ciencias Exactas, Físico, Químicas y Naturales, Universidad Nacional de Río Cuarto, Ruta Nacional N° 36 Km 601, 5800 Río Cuarto, Córdoba, Argentina.
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Xia Y. Correlation and association analyses in microbiome study integrating multiomics in health and disease. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2020; 171:309-491. [PMID: 32475527 DOI: 10.1016/bs.pmbts.2020.04.003] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Correlation and association analyses are one of the most widely used statistical methods in research fields, including microbiome and integrative multiomics studies. Correlation and association have two implications: dependence and co-occurrence. Microbiome data are structured as phylogenetic tree and have several unique characteristics, including high dimensionality, compositionality, sparsity with excess zeros, and heterogeneity. These unique characteristics cause several statistical issues when analyzing microbiome data and integrating multiomics data, such as large p and small n, dependency, overdispersion, and zero-inflation. In microbiome research, on the one hand, classic correlation and association methods are still applied in real studies and used for the development of new methods; on the other hand, new methods have been developed to target statistical issues arising from unique characteristics of microbiome data. Here, we first provide a comprehensive view of classic and newly developed univariate correlation and association-based methods. We discuss the appropriateness and limitations of using classic methods and demonstrate how the newly developed methods mitigate the issues of microbiome data. Second, we emphasize that concepts of correlation and association analyses have been shifted by introducing network analysis, microbe-metabolite interactions, functional analysis, etc. Third, we introduce multivariate correlation and association-based methods, which are organized by the categories of exploratory, interpretive, and discriminatory analyses and classification methods. Fourth, we focus on the hypothesis testing of univariate and multivariate regression-based association methods, including alpha and beta diversities-based, count-based, and relative abundance (or compositional)-based association analyses. We demonstrate the characteristics and limitations of each approaches. Fifth, we introduce two specific microbiome-based methods: phylogenetic tree-based association analysis and testing for survival outcomes. Sixth, we provide an overall view of longitudinal methods in analysis of microbiome and omics data, which cover standard, static, regression-based time series methods, principal trend analysis, and newly developed univariate overdispersed and zero-inflated as well as multivariate distance/kernel-based longitudinal models. Finally, we comment on current association analysis and future direction of association analysis in microbiome and multiomics studies.
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Affiliation(s)
- Yinglin Xia
- Department of Medicine, University of Illinois at Chicago, Chicago, IL, United States.
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31
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Liang Q, Yan Z, Li X. Influence of the herbicide haloxyfop-R-methyl on bacterial diversity in rhizosphere soil of Spartina alterniflora. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 194:110366. [PMID: 32126413 DOI: 10.1016/j.ecoenv.2020.110366] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 02/18/2020] [Accepted: 02/21/2020] [Indexed: 06/10/2023]
Abstract
Haloxyfop-R-methyl (haloxyfop) can efficiently control Spartina alterniflora in coastal ecosystems, but its effect on soil microbial communities is not known. In the present study, the impact of the haloxyfop on rhizosphere soil bacterial communities of S. alterniflora over the dissipation process of the herbicide has been studied in a coastal wetland. The response of the bacterial community in the rhizoplane (iron plaque) of S. alterniflora subjected to haloxyfop treatment was also investigated. Results showed that the persistence of haloxyfop in the rhizosphere soil followed an exponential decay with a half-life of 2.6-4.9 days, and almost all of the haloxyfop dissipated on Day 30. The diversity of rhizosphere soil bacteria was decreased at the early stages (Days 1, 3 & 7) and recovered at late stages (Days 15 & 30) of the haloxyfop treatment. Application of haloxyfop treatment increased the relative abundance of the genera Pseudomonas, Acinetobacter, Pontibacter, Shewanella and Aeromonas. Strains isolated from these genera can degrade herbicides efficiently, which possibly played a role in the degradation of haloxyfop. The rhizoplane bacterial diversity was reduced on Day 15 while being vastly enhanced on Day 30. Soil variables, including the electric conductivity, redox potential, and soil moisture, along with the soil haloxyfop residue, jointly shape the bacterial community in rhizosphere soil.
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Affiliation(s)
- Qiuyao Liang
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China; Yangtze Delta Estuarine Wetland Ecosystem Observation and Research Station, Ministry of Education & Shanghai Science and Technology Committee, China
| | - Zhongzheng Yan
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China; Yangtze Delta Estuarine Wetland Ecosystem Observation and Research Station, Ministry of Education & Shanghai Science and Technology Committee, China.
| | - Xiuzhen Li
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China; Yangtze Delta Estuarine Wetland Ecosystem Observation and Research Station, Ministry of Education & Shanghai Science and Technology Committee, China
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32
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Mackelprang R, Lemaux PG. Genetic Engineering and Editing of Plants: An Analysis of New and Persisting Questions. ANNUAL REVIEW OF PLANT BIOLOGY 2020; 71:659-687. [PMID: 32023090 DOI: 10.1146/annurev-arplant-081519-035916] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Genetic engineering is a molecular biology technique that enables a gene or genes to be inserted into a plant's genome. The first genetically engineered plants were grown commercially in 1996, and the most common genetically engineered traits are herbicide and insect resistance. Questions and concerns have been raised about the effects of these traits on the environment and human health, many of which are addressed in a pair of 2008 and 2009 Annual Review of Plant Biology articles. As new science is published and new techniques like genome editing emerge, reanalysis of some of these issues, and a look at emerging issues, is warranted. Herein, an analysis of relevant scientific literature is used to present a scientific perspective on selected topics related to genetic engineering and genome editing.
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Affiliation(s)
- Rebecca Mackelprang
- Department of Plant and Microbial Biology, University of California, Berkeley, California 94720-3102, USA;
| | - Peggy G Lemaux
- Department of Plant and Microbial Biology, University of California, Berkeley, California 94720-3102, USA;
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Bottrill D, Ogbourne SM, Citerne N, Smith T, Farrar MB, Hu HW, Omidvar N, Wang J, Burton J, Kämper W, Bai SH. Short-term application of mulch, roundup and organic herbicides did not affect soil microbial biomass or bacterial and fungal diversity. CHEMOSPHERE 2020; 244:125436. [PMID: 31809934 DOI: 10.1016/j.chemosphere.2019.125436] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 11/16/2019] [Accepted: 11/20/2019] [Indexed: 06/10/2023]
Abstract
Application of synthetic herbicides is currently the most widely used and cost-effective methods to assist with revegetation programs. However, the effects of short-term application of herbicides such as Roundup®, acetic acid, BioWeed™ and Slasher® as compared with mulch, on soil microbial biomass and microbial diversity remain unknown. This study examined the effects of short-term herbicide application on soil microbial biomass, C:N ratio, and fungal and bacterial communities at months 2 and 8 following initiation of treatment application. No effects of treatments on soil pH, C:N and microbial biomass were found. No segregation among treatments in the community structure of bacteria and fungi was observed. However, the fungal phylum Basiodiomycota had one unidentified class, which was only found in the mulch treatment, suggesting the C quality in the mulch treatment may differ compared with the other treatments. The dry and hot conditions experienced throughout the study period may have resulted in fast degradation of the herbicides and may have minimised the impacts of the herbicides on microbial diversity and community structure. Given that the research was undertaken at a single site and over only a short time frame, the results should be extrapolated with caution. Herbicides may have greater impact with long-term use. Future research will need to assess the revegetation success of each treatment and determine if the observed change in Basidiomycota profile and C quality identified in this study becomes significant over the long-term. We hypothesise that mulching may be a preferred treatment to facilitate weed control in riparian zone revegetation.
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Affiliation(s)
- Donnaleigh Bottrill
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore, DC, QLD, 4558, Australia
| | - Steven M Ogbourne
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore, DC, QLD, 4558, Australia
| | - Nadine Citerne
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore, DC, QLD, 4558, Australia
| | - Tanzi Smith
- Mary River Catchment Coordinating Committee, PO Box 1027, Gympie, QLD, 4570, Australia
| | - Michael B Farrar
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore, DC, QLD, 4558, Australia
| | - Hang-Wei Hu
- School of Agriculture and Food, The University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Negar Omidvar
- Environmental Futures Research Institute, School of Natural Sciences, Griffith University, Nathan, Brisbane, Queensland, 4111, Australia
| | - Juntao Wang
- School of Agriculture and Food, The University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Joanne Burton
- Landscape Sciences, Department of Environment and Science, PO Box 5078, Brisbane, Queensland, 4001, Australia
| | - Wiebke Kämper
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore, DC, QLD, 4558, Australia
| | - Shahla Hosseini Bai
- Genecology Research Centre, University of the Sunshine Coast, Maroochydore, DC, QLD, 4558, Australia; School of Health, Medical and Applied Sciences, Central Queensland University, Bundaberg, QLD, 4760, Australia.
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Sahin C, Karpuzcu ME. Mitigation of organophosphate pesticide pollution in agricultural watersheds. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 710:136261. [PMID: 31901679 DOI: 10.1016/j.scitotenv.2019.136261] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 12/16/2019] [Accepted: 12/19/2019] [Indexed: 06/10/2023]
Abstract
Adsorption and biodegradation processes for four organophosphate pesticides (chlorpyrifos, diazinon, fenthion, dichlorvos) in wetlands and agricultural drains in Meric-Ergene Basin, Turkey have been investigated. Koc (organic carbon normalized partition coefficient) values for all pesticides except diazinon were higher in more aromatic Pamuklu Drain sediments, indicating the possible influence of aromaticity on the extent of adsorption. The average half-lives of pesticides in Gala Lake sediments and Pamuklu agricultural drain sediments ranged from 2.25 to 69.31 days with chlorpyrifos exhibiting the slowest biotransformation rate and dichlorvos having the fastest biotransformation rate. The presence of humic substances and hydroperiod of wetlands have been identified as possible factors that affected the behavior of organophosphate pesticides in this study. The results from this study provide insight into the constructed wetland design offered for the mitigation of organophosphate pesticides in the basin.
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Affiliation(s)
- Cagri Sahin
- Istanbul Technical University, Department of Environmental Engineering, Maslak 34469, Istanbul, Turkey
| | - M Ekrem Karpuzcu
- Istanbul Technical University, Department of Environmental Engineering, Maslak 34469, Istanbul, Turkey.
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35
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Carpentieri-Pipolo V, de Almeida Lopes KB, Degrassi G. Phenotypic and genotypic characterization of endophytic bacteria associated with transgenic and non-transgenic soybean plants. Arch Microbiol 2019; 201:1029-1045. [PMID: 31111187 DOI: 10.1007/s00203-019-01672-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 04/29/2019] [Accepted: 05/06/2019] [Indexed: 02/03/2023]
Abstract
Endophytic bacteria isolated from non-transgenic and transgenic Roundup Ready® glyphosate-resistant (GR) soybean plants were investigated to analyze the correspondence between phenotypic and genotypic characteristics and to determine whether or not the strains could be grouped based on the source of isolation in transgenic or non-transgenic plants, respectively. Most of the strains recovered from GR plants have shown the ability for plant growth promotion (PGP) by means of IAA production and inorganic phosphate solubilization, and 100% of the strains showed great motility (swarm or swim); in addition, 90% of the strains were able to metabolize the majority of carbon sources tested. GR soybean fields showed higher endophytes abundance than non-transgenic; however, analyzing the phylogenetic trees constructed using the partial 16SrRNA gene sequences, higher diversity was observed in non-transgenic soybean fields. Overall the majority of isolated endophytes could utilize multiple patterns of carbon sources and express resistance to antibiotics, while isolates varied widely in the PGP ability. The greater pattern and frequency of utilization of carbon sources and frequency and intensity of antibiotic resistance compared with PGP ability within the soybean endophytes community suggest that carbon sources metabolism and antibiotic resistance confer a greater relative fitness benefit than PGP ability. In conclusion, cluster analysis of the phenotypes and 16SrRNA gene sequences reveals lack of correspondence between the pattern of bacterial isolates and the transgenic character of plants, and the heterogeneity of clustering suggested that various adaptive processes, such as stress response, could have contributed to generate phenotypic variability to enhance endophytes overall fitness.
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Affiliation(s)
| | - Karla Bianca de Almeida Lopes
- Agronomy Department, Londrina State University, Rodovia Celso Garcia Cid, Pr 445 km 380, PO Box 10.011, Londrina, PR, 86057-970, Brazil
| | - Giuliano Degrassi
- IBioBA-ICGEB, International Centre for Genetic Engineering and Biotechnology, Polo Cientifico Tecnologico, Godoy Cruz 2390, C1425FQD, Buenos Aires, Argentina.
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36
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Thiour-Mauprivez C, Martin-Laurent F, Calvayrac C, Barthelmebs L. Effects of herbicide on non-target microorganisms: Towards a new class of biomarkers? THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 684:314-325. [PMID: 31153078 DOI: 10.1016/j.scitotenv.2019.05.230] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/02/2019] [Accepted: 05/16/2019] [Indexed: 05/19/2023]
Abstract
Conventional agriculture still relies on the general use of agrochemicals (herbicides, fungicides and insecticides) to control various pests (weeds, fungal pathogens and insects), to ensure the yield of crop and to feed a constantly growing population. The generalized use of pesticides in agriculture leads to the contamination of soil and other connected environmental resources. The persistence of pesticide residues in soil is identified as a major threat for in-soil living organisms that are supporting an important number of ecosystem services. Although authorities released pesticides on the market only after their careful and thorough evaluation, the risk assessment for in-soil living organisms is unsatisfactory, particularly for microorganisms for which pesticide toxicity is solely considered by one global test measuring N mineralization. Recently, European Food Safety Authority (EFSA) underlined the lack of standardized methods to assess pesticide ecotoxicological effects on soil microorganisms. Within this context, there is an obvious need to develop innovative microbial markers sensitive to pesticide exposure. Biomarkers that reveal direct effects of pesticides on microorganisms are often viewed as the panacea. Such biomarkers can only be developed for pesticides having a mode of action inhibiting a specific enzyme not only found in the targeted organisms but also in microorganisms which are considered as "non-target organisms" by current regulations. This review explores possible ways of innovation to develop such biomarkers for herbicides. We scanned the herbicide classification by considering the mode of action, the targeted enzyme and the ecotoxicological effects of each class of active substance in order to identify those that can be tracked using sensitive microbial markers.
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Affiliation(s)
- Clémence Thiour-Mauprivez
- Univ. Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; AgroSup Dijon, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, F-21065 Dijon, France
| | - Fabrice Martin-Laurent
- AgroSup Dijon, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, F-21065 Dijon, France
| | - Christophe Calvayrac
- Univ. Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650 Banyuls-sur-Mer, France
| | - Lise Barthelmebs
- Univ. Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650 Banyuls-sur-Mer, France.
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37
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Tang FHM, Jeffries TC, Vervoort RW, Conoley C, Coleman NV, Maggi F. Microcosm experiments and kinetic modeling of glyphosate biodegradation in soils and sediments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 658:105-115. [PMID: 30572210 DOI: 10.1016/j.scitotenv.2018.12.179] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 12/10/2018] [Accepted: 12/11/2018] [Indexed: 06/09/2023]
Abstract
Glyphosate (GLP) is one of the most widely-used herbicides globally and its toxicity to humans and the environment is controversial. GLP is biodegradable, but little is known about the importance of site exposure history and other environmental variables on the rate and pathway of biodegradation. Here, GLP was added to microcosms of soils and sediments with different exposure histories and these were incubated with amendments of glucose, ammonium, and phosphate. GLP concentrations were measured with a newly-developed HPLC method capable of tolerating high concentrations of ammonium and amino acids. GLP biodegradation occurred after a lag-time proportional to the level of GLP pre-exposure in anthropogenically-impacted samples (soils and sediments), while no degradation occurred in samples from a pristine sediment after 180 days of incubation. Exposure history did not influence the rate of GLP degradation, after the lag-time was elapsed. Addition of C, N, and P triggered GLP degradation in pristine sediment and shortened the lag-time before degradation in other samples. In all microcosms, GLP was metabolised into aminomethylphosphonic acid (AMPA), which was highly persistent, and thus appears to be a more problematic pollutant than GLP. Bacterial communities changed along the gradients of anthropogenic impacts, but in some cases, taxonomically very-similar communities showed dramatically different activities with GLP. Our findings reveal important interactions between agriculturally-relevant nutrients and herbicides.
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Affiliation(s)
- Fiona H M Tang
- Laboratory for Advanced Environmental Engineering Research, School of Civil Engineering, The University of Sydney, Bld. J05, 2006 Sydney, NSW, Australia.
| | - Thomas C Jeffries
- School of Science and Health, Western Sydney University, 2751 Penrith, NSW, Australia
| | - R Willem Vervoort
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Chris Conoley
- Environmental Earth Sciences International Pty Ltd, 82-84 Dickson Ave, Artarmon, NSW, Australia
| | - Nicholas V Coleman
- School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Federico Maggi
- Laboratory for Advanced Environmental Engineering Research, School of Civil Engineering, The University of Sydney, Bld. J05, 2006 Sydney, NSW, Australia
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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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39
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la Cecilia D, Tang FHM, Coleman NV, Conoley C, Vervoort RW, Maggi F. Glyphosate dispersion, degradation, and aquifer contamination in vineyards and wheat fields in the Po Valley, Italy. WATER RESEARCH 2018; 146:37-54. [PMID: 30223108 DOI: 10.1016/j.watres.2018.09.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 08/07/2018] [Accepted: 09/04/2018] [Indexed: 06/08/2023]
Abstract
Biodegradation of glyphosate (GLP) and its metabolite aminomethylphosphonic acid (AMPA) was numerically assessed for a vineyard and a wheat field in the Po Valley, Italy. Calculation of the Hazard Quotient suggested that GLP and AMPA can pose a risk of aquifer contamination in the top 1.5 m depth within 50 years of GLP use. Numerical results relative to soil GLP and AMPA concentrations, and GLP age, half life, and turnover time show that GLP was equivalently removed through hydrolysis and oxidation, but the latter produced AMPA. Biodegradation processes in the root zone removed more than 90% of applied GLP and more than 23% of the produced AMPA between two consecutive applications. Doubling organic carbon availability enhanced GLP and AMPA biodegradation, especially GLP hydrolysis to sarcosine. This work highlights that GLP and AMPA removal is controlled by soil water dynamics that depend on ecohydrological boundary conditions, and by carbon sources availability to biodegraders.
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Affiliation(s)
- Daniele la Cecilia
- Laboratory for Environmental Engineering, School of Civil Engineering, The University of Sydney, Bld. J05, 2006, Sydney, NSW, Australia.
| | - Fiona H M Tang
- Laboratory for Environmental Engineering, School of Civil Engineering, The University of Sydney, Bld. J05, 2006, Sydney, NSW, Australia
| | - Nicholas V Coleman
- School of Life and Environmental Sciences, The University of Sydney, Bld. G08, 2006, Sydney, NSW, Australia
| | - Chris Conoley
- Environmental Earth Sciences International Pty Ltd, 82-84, Dickson Ave, Artarmon, NSW, Australia
| | - R Willem Vervoort
- School of Life and Environmental Sciences, The University of Sydney, Bld. G08, 2006, Sydney, NSW, Australia
| | - Federico Maggi
- Laboratory for Environmental Engineering, School of Civil Engineering, The University of Sydney, Bld. J05, 2006, Sydney, NSW, Australia
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