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Wang M, Hao Q, Lessing DJ, Chu W. Pseudomonas putida HE alleviates glyphosate-induced toxicity in earthworm: Insights from the neurological, reproductive and immunological status. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 359:124554. [PMID: 39013514 DOI: 10.1016/j.envpol.2024.124554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 06/22/2024] [Accepted: 07/12/2024] [Indexed: 07/18/2024]
Abstract
The proceeding study aimed to isolate glyphosate-degrading bacteria from soil and determine optimal degradation conditions through single-factor experiments and response surface methodology. The detoxifying efficacy of the isolate on glyphosate was assessed using earthworm model. The results indicate that Pseudomonas putida HE exhibited the highest glyphosate degradation rate. Optimal conditions for glyphosate degradation were observed at an inoculation percentage of approximately 5%, a pH of 7, and a temperature of 30 °C. Glyphosate induced notable neurotoxicity and reproductive toxicity in earthworms, evidenced by reduced activity of the neurotoxicity-associated enzyme AChE. Additionally, an increase in the activities of catalase, superoxide dismutase, and lactate dehydrogenase was observed. H&E staining revealed structural disruptions in the earthworm clitellum, with notable atrophy in the structure of spermathecae. Furthermore, glyphosate activation of earthworm immune systems led to increased expression of immune-related genes, specifically coelomic cytolytic factor and lysozyme. Notably, the introduction of strain HE mitigated the glyphosate toxicity to the earthworms mentioned above. P. putida HE was able to increase soil enzyme activities that were reduced due to glyphosate. The isolate P. putida HE, emerged as an effective and cost-efficient remedy for glyphosate degradation and toxicity reduction in natural settings, showcasing potential applications in real ecological settings.
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Affiliation(s)
- Minyu Wang
- School of Life Science and Technology, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, Jiangsu Province, PR China
| | - Qingyi Hao
- School of Life Science and Technology, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, Jiangsu Province, PR China
| | - Duncan James Lessing
- School of Life Science and Technology, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, Jiangsu Province, PR China
| | - Weihua Chu
- School of Life Science and Technology, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, Jiangsu Province, PR China.
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2
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Wang S, Dong M, Xiao Y, Yang B, Zhang H, Wu X. Enhanced bioremediation of soils contaminated with nicosulfuron using the bacterial complex A12. J Appl Microbiol 2024; 135:lxae215. [PMID: 39152091 DOI: 10.1093/jambio/lxae215] [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: 05/13/2024] [Revised: 07/17/2024] [Accepted: 08/15/2024] [Indexed: 08/19/2024]
Abstract
AIMS To construct an efficient bacterial complex to degrade nicosulfuron and clarify its degradative characteristics, promote the growth of maize (Zea mays), and provide a theoretical foundation for the efficient remediation of soil contaminated with nicosulfuron. METHODS AND RESULTS Biocompatibility was determined by the filter paper sheet method by mixing Serratia marcescens A1 and Bacillus cereus A2 in a 1:1 ratio, yielding A12. The optimum culture conditions for the bacterial composite were obtained based on a three-factor, three-level analysis using response surface methodology, with 29.25 g l-1 for maltodextrin, 10.04 g l-1 for yeast extract, and 19.93 g l-1 for NaCl, which resulted in 92.42% degradation at 4 d. The degradation characteristics of A12 were clarified as follows: temperature 30°C, pH 7, initial concentration of nicosulfuron 20 mg l-1, and 4% inoculum. The ability to promote growth was determined by measuring the ratio of the lysosphere diameter (D) to the colony diameter (d), and the ability of the complex A12 to promote growth was higher than that of the two single strains. CONCLUSIONS Nicosulfuron degradation in sterilized and unsterilized soils reached 85.4% and 91.2% within 28 d, respectively. The ability of the strains to colonize the soil was determined by extraction of total soil DNA, primer design, and gel electrophoresis. The bioremediation effect of A12 was confirmed by the maximum recovery of fresh weight (124.35%) of nicosulfuron-sensitive crop plants and the significant recovery of soil enzyme activities, as measured by the physiological indices in the sensitive plants.
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Affiliation(s)
- Siya Wang
- College of Plant Protection, Jilin Agricultural University, Changchun 130118, China
| | - Meiqi Dong
- College of Plant Protection, Jilin Agricultural University, Changchun 130118, China
| | - Yufeng Xiao
- College of Plant Protection, Jilin Agricultural University, Changchun 130118, China
| | - Bingbing Yang
- College of Plant Protection, Jilin Agricultural University, Changchun 130118, China
| | - Hao Zhang
- College of Plant Protection, Jilin Agricultural University, Changchun 130118, China
| | - Xian Wu
- Institute of Plant Protection, Jilin Academy of Agricultural Sciences (Northeast Agricultural Research Center of China), Gongzhuling 136100, China
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3
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Grenier V, Laur J, Gonzalez E, Pitre FE. Glyphosate has a negligible impact on bacterial diversity and dynamics during composting. Environ Microbiol 2023; 25:2897-2912. [PMID: 36975075 DOI: 10.1111/1462-2920.16374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 03/15/2023] [Indexed: 03/29/2023]
Abstract
The herbicide glyphosate has several potential entry points into composting sites and its impact on composting processes has not yet been evaluated. To assess its impact on bacterial diversity and abundance as well as on community composition and dynamics, we conducted a mesocosm experiment at the Montreal Botanical Garden. Glyphosate had no effect on physicochemical property evolution during composting, while it was completely dissipated by the end of the experiment. Sampling at Days 0, 2, 28 and 112 of the process followed by 16S rRNA amplicon sequencing also found no effect of glyphosate on species richness and community composition. Differential abundance analyses revealed an increase of a few taxa in the presence of glyphosate, namely TRA3-20 (order Polyangiales), Pedosphaeraceae and BIrii41 (order Burkholderiales) after 28 days. In addition, five amplicon sequence variants (ASVs) had lower relative abundance in the glyphosate treatment compared to the control on Day 2, namely Comamonadaceae, Pseudomonas sp., Streptomyces sp., Thermoclostridium sp. and Actinomadura keratinilytica, while two ASVs were less abundant on Day 112, namely Pedomicrobium sp. and Pseudorhodoplanes sp. Most differences in abundance were measured between the different sampling points within each treatment. These results present glyphosate as a poor determinant of species recruitment during composting.
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Affiliation(s)
- Vanessa Grenier
- Department of Biological Sciences, Université de Montréal, Montréal, Québec, Canada
- Institut de recherche en biologie végétale, Montréal, Québec, Canada
| | - Joan Laur
- Department of Biological Sciences, Université de Montréal, Montréal, Québec, Canada
- Institut de recherche en biologie végétale, Montréal, Québec, Canada
- Montreal Botanical Garden, Montreal, Québec, Canada
| | - Emmanuel Gonzalez
- Canadian Centre for Computational Genomics, McGill Genome Centre, McGill University, Montréal, Québec, Canada
- Department of Human Genetics, McGill University, Montreal, Québec, Canada
- Gerald Bronfman Department of Oncology, McGill University, Montréal, Québec, Canada
| | - Frederic E Pitre
- Department of Biological Sciences, Université de Montréal, Montréal, Québec, Canada
- Institut de recherche en biologie végétale, Montréal, Québec, Canada
- Montreal Botanical Garden, Montreal, Québec, Canada
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4
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Mohy-Ud-Din W, Bashir S, Akhtar MJ, Asghar HMN, Ghafoor U, Hussain MM, Niazi NK, Chen F, Ali Q. Glyphosate in the environment: interactions and fate in complex soil and water settings, and (phyto) remediation strategies. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 26:816-837. [PMID: 37994831 DOI: 10.1080/15226514.2023.2282720] [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: 11/24/2023]
Abstract
Glyphosate (Gly) and its formulations are broad-spectrum herbicides globally used for pre- and post-emergent weed control. Glyphosate has been applied to terrestrial and aquatic ecosystems. Critics have claimed that Gly-treated plants have altered mineral nutrition and increased susceptibility to plant pathogens because of Gly ability to chelate divalent metal cations. Still, the complete resistance of Gly indicates that chelation of metal cations does not play a role in herbicidal efficacy or have a substantial impact on mineral nutrition. Due to its extensive and inadequate use, this herbicide has been frequently detected in soil (2 mg kg-1, European Union) and in stream water (328 µg L-1, USA), mostly in surface (7.6 µg L-1, USA) and groundwater (2.5 µg L-1, Denmark). International Agency for Research on Cancer (IARC) already classified Gly as a category 2 A carcinogen in 2016. Therefore, it is necessary to find the best degradation techniques to remediate soil and aquatic environments polluted with Gly. This review elucidates the effects of Gly on humans, soil microbiota, plants, algae, and water. This review develops deeper insight toward the advances in Gly biodegradation using microbial communities. This review provides a thorough understanding of Gly interaction with mineral elements and its limitations by interfering with the plants biochemical and morphological attributes.
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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, D. G. Khan Pakistan
- Institute of Marine and Environmental Technology, University of MD Center for Environmental Science, Baltimore, MD, USA
| | - Safdar Bashir
- Department of Soil and Environmental Sciences, Ghazi University, D. G. Khan Pakistan
| | - Muhammad Javed Akhtar
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad Pakistan
| | | | - Umber Ghafoor
- Pesticide Residue Laboratory, Kala Shah Kaku, Pakistan
| | | | - Nabeel Khan Niazi
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad Pakistan
| | - Feng Chen
- Institute of Marine and Environmental Technology, University of MD Center for Environmental Science, Baltimore, MD, USA
| | - Qasim Ali
- Department of Soil Science, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Pakistan
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5
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Zhang C, Zhang Q, Luo M, Wang Q, Wu X. Bacillus cereus WL08 immobilized on tobacco stem charcoal eliminates butylated hydroxytoluene in soils and alleviates the continuous cropping obstacle of Pinellia ternata. JOURNAL OF HAZARDOUS MATERIALS 2023; 450:131091. [PMID: 36870095 DOI: 10.1016/j.jhazmat.2023.131091] [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: 12/29/2022] [Revised: 01/31/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Butylated hydroxytoluene (BHT), as an emerging contaminant in ecosystems, has potential influences on animals, aquatic organisms, and public health, and has been proven to be a major allelochemical of Pinellia ternata. In this study, Bacillus cereus WL08 was used to rapidly degrade BHT in liquid culture. Strain WL08 immobilized on tobacco stem charcoal (TSC) particles notably accelerated BHT removal in contract to its free cells, and exhibited excellent reutilization and storage capacities. The optimal removal parameters of TSC WL08 were ascertained to be pH 7.0, 30 °C, 50 mg L-1 BHT and 0.14 mg L-1 TSC WL08. Moreover, TSC WL08 significantly accelerated the degradation of 50 mg L-1 BHT in sterile and non-sterile soils compared to that of free WL08 or natural dissipation, and notably shortened their half-lives by 2.47- or 362.14- fold, and 2.20- or 14.99- fold, respectively. Simultaneously, TSC WL08 was introduced into the continuous cropping soils of P. ternata, which accelerated the elimination of allelochemical BHT, and notably enhanced the photosynthesis, growth, yield, and quality of P. ternata. This study provides new insights and strategies for the rapid in situ remediation of BHT-polluted soils and effective alleviation of P. ternata cropping obstacles.
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Affiliation(s)
- Cheng Zhang
- Key Laboratory of Environmental Pollution Monitoring and Disease of Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 550025, China; Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou 550025, China
| | - Qinghai Zhang
- Key Laboratory of Environmental Pollution Monitoring and Disease of Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang 550025, China
| | - Ming Luo
- Institute of Modern Chinese Herbal Medicines, Institute of Crop Germplasm Resources, Guizhou Academy of Agricultural Sciences, Guiyang 550025, China
| | - Qiuping Wang
- Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou 550025, China; Department of Food and Medicine, Guizhou Vocational College of Agriculture, Qingzhen, Guizhou 551400, China
| | - Xiaomao Wu
- Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou 550025, China.
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Zhang W, Chen WJ, Chen SF, Lei Q, Li J, Bhatt P, Mishra S, Chen S. Cellular Response and Molecular Mechanism of Glyphosate Degradation by Chryseobacterium sp. Y16C. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:6650-6661. [PMID: 37084257 DOI: 10.1021/acs.jafc.2c07301] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Glyphosate is one of the most widely used herbicides worldwide. Unfortunately, the continuous use of glyphosate has resulted in serious environmental contamination and raised public concern about its impact on human health. In our previous study, Chryseobacterium sp. Y16C was isolated and characterized as an efficient degrader that can completely degrade glyphosate. However, the biochemical and molecular mechanisms underlying its glyphosate biodegradation ability remain unclear. In this study, the physiological response of Y16C to glyphosate stimulation was characterized at the cellular level. The results indicated that, in the process of glyphosate degradation, Y16C induced a series of physiological responses in the membrane potential, reactive oxygen species levels, and apoptosis. The antioxidant system of Y16C was activated to alleviate the oxidative damage caused by glyphosate. Furthermore, a novel gene, goW, was expressed in response to glyphosate. The gene product, GOW, is an enzyme that catalyzes glyphosate degradation, with putative structural similarities to glycine oxidase. GOW encodes 508 amino acids, with an isoelectric point of 5.33 and a molecular weight of 57.2 kDa, which indicates that it is a glycine oxidase. GOW displays maximum enzyme activity at 30 °C and pH 7.0. Additionally, most of the metal ions exhibited little influence on the enzyme activity except for Cu2+. Finally, with glyphosate as the substrate, the catalytic efficiency of GOW was higher than that of glycine, although opposite results were observed for the affinity. Taken together, the current study provides new insights to deeply understand and reveal the mechanisms of glyphosate degradation in bacteria.
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Affiliation(s)
- Wenping Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou 510642, China
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Wen-Juan Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou 510642, China
| | - Shao-Fang Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou 510642, China
| | - Qiqi Lei
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou 510642, China
| | - Jiayi Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou 510642, China
| | - Pankaj Bhatt
- Department of Agricultural & Biological Engineering, Purdue University, West Lafayette 47906, United States
| | - Sandhya Mishra
- Environmental Technologies Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow 226001, India
| | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Plant Protection, South China Agricultural University, Guangzhou 510642, China
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7
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Wilms W, Parus A, Homa J, Batycka M, Niemczak M, Woźniak-Karczewska M, Trzebny A, Dabert M, Táncsics A, Cajthaml T, Heipieper HJ, Chrzanowski Ł. Glyphosate versus glyphosate based ionic liquids: Effect of cation on glyphosate biodegradation, soxA and phnJ genes abundance and microbial populations changes during soil bioaugmentation. CHEMOSPHERE 2023; 316:137717. [PMID: 36610512 DOI: 10.1016/j.chemosphere.2022.137717] [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: 09/20/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
The applicability of herbicidal ionic liquids (HILs) as an alternative form of herbicides is currently evaluated. Yet, the available research is lacking information on the behaviour of herbicidal ionic liquids upon addition to the environment, i.e., if cations and anions act as separate moieties or remain an ionic salt. Hence, we tested degradation of five HILs with the glyphosate anion, their bioavailability in soil, toxicity towards microorganisms, impact on the biodiversity and the abundance of phnJ and soxA genes. The cations were proven to be slightly or moderately toxic. The properties of cations determined the properties of the whole formulation, which might suggest that cations and anion act as the independent mixture of ions. The mineralisation efficiencies were in the range of 15-53%; however, in the case of cations (except non-toxic choline), only 13-20% were bioavailable for degradation. The hydrophobic cations were proven to be highly sorbed, while the anion was readily available for microbial degradation regardless of its counterion. The approach to enrich test samples with isolated microorganisms specialised in glyphosate degradation resulted in higher degradation efficiencies, yet not high enough to mitigate the negative impact of cations. In addition, increased activity of enzymes participating in glyphosate degradation was observed. In the view of obtained results, the use of cationic surfactants in HILs structure is not recommended, as sorption was shown to be determining factor in HILs degradation efficiency. Moreover, obtained results indicate that corresponding ions in HILs might act as separate moieties in the environment.
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Affiliation(s)
- Wiktoria Wilms
- Faculty of Chemical Technology, Poznan University of Technology, 60-965 Poznan, Poland
| | - Anna Parus
- Faculty of Chemical Technology, Poznan University of Technology, 60-965 Poznan, Poland.
| | - Jan Homa
- Faculty of Chemical Technology, Poznan University of Technology, 60-965 Poznan, Poland
| | - Milena Batycka
- Faculty of Chemical Technology, Poznan University of Technology, 60-965 Poznan, Poland
| | - Michał Niemczak
- Faculty of Chemical Technology, Poznan University of Technology, 60-965 Poznan, Poland
| | | | - Artur Trzebny
- Molecular Biology Techniques Laboratory, Faculty of Biology, Adam Mickiewicz University in Poznań, 61-614 Poznan, Poland
| | - Mirosława Dabert
- Molecular Biology Techniques Laboratory, Faculty of Biology, Adam Mickiewicz University in Poznań, 61-614 Poznan, Poland
| | - András Táncsics
- Department of Molecular Ecology, Institute of Aquaculture and Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter K. u. 1., 2100 Gödöllő, Hungary
| | - Tomas Cajthaml
- Institute for Environmental Studies, Faculty of Science, Charles University, Benátská 2, Prague 2, Czech Republic
| | - Hermann J Heipieper
- Department of Environmental Biotechnology, Helmholtz Centre for Environmental Research - UFZ, Permoserstraße 15, 04318 Leipzig, Germany
| | - Łukasz Chrzanowski
- Faculty of Chemical Technology, Poznan University of Technology, 60-965 Poznan, Poland; Department of Environmental Biotechnology, Helmholtz Centre for Environmental Research - UFZ, Permoserstraße 15, 04318 Leipzig, Germany
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8
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Chen Y, Chen WJ, Huang Y, Li J, Zhong J, Zhang W, Zou Y, Mishra S, Bhatt P, Chen S. Insights into the microbial degradation and resistance mechanisms of glyphosate. ENVIRONMENTAL RESEARCH 2022; 215:114153. [PMID: 36049517 DOI: 10.1016/j.envres.2022.114153] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/31/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
Glyphosate, as one of the broad-spectrum herbicides for controlling annual and perennial weeds, is widely distributed in various environments and seriously threatens the safety of human beings and ecology. Glyphosate is currently degraded by abiotic and biotic methods, such as adsorption, photolysis, ozone oxidation, and microbial degradation. Of these, microbial degradation has become the most promising method to treat glyphosate because of its high efficiency and environmental protection. Microorganisms are capable of using glyphosate as a phosphorus, nitrogen, or carbon source and subsequently degrade glyphosate into harmless products by cleaving C-N and C-P bonds, in which enzymes and functional genes related to glyphosate degradation play an indispensable role. There have been many studies on the abiotic and biotic treatment technologies, microbial degradation pathways and intermediate products of glyphosate, but the related enzymes and functional genes involved in the glyphosate degradation pathways have not been further discussed. There is little information on the resistance mechanisms of bacteria and fungi to glyphosate, and previous investigations of resistance mechanisms have mainly focused on how bacteria resist glyphosate damage. Therefore, this review explores the microorganisms, enzymes and functional genes related to the microbial degradation of glyphosate and discusses the pathways of microbial degradation and the resistance mechanisms of microorganisms to glyphosate. This review is expected to provide reference for the application and improvement of the microbial degradation of glyphosate in microbial remediation.
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Affiliation(s)
- Yongsheng Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
| | - Wen-Juan Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
| | - Yaohua Huang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
| | - Jiayi Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
| | - Jianfeng Zhong
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
| | - Wenping Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
| | - Yi Zou
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China
| | - Sandhya Mishra
- Environmental Technologies Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow, 226001, India
| | - Pankaj Bhatt
- Department of Agricultural & Biological Engineering, Purdue University, West Lafayette, 47906, USA.
| | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China.
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9
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Li J, Chen WJ, Zhang W, Zhang Y, Lei Q, Wu S, Huang Y, Mishra S, Bhatt P, Chen S. Effects of Free or Immobilized Bacterium Stenotrophomonas acidaminiphila Y4B on Glyphosate Degradation Performance and Indigenous Microbial Community Structure. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:13945-13958. [PMID: 36278819 DOI: 10.1021/acs.jafc.2c05612] [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] [Indexed: 06/16/2023]
Abstract
The overuse of glyphosate has resulted in serious environmental contamination. Thus, effective techniques to remove glyphosate from the environment are required. Herein, we isolated a novel strain Stenotrophomonas acidaminiphila Y4B, which completely degraded glyphosate and its major metabolite aminomethylphosphonic acid (AMPA). Y4B degraded glyphosate over a broad concentration range (50-800 mg L-1), with a degradation efficiency of over 98% within 72 h (50 mg L-1). Y4B degraded glyphosate via the AMPA pathway by cleaving the C-N bond, followed by degradation of AMPA and subsequent metabolism. Y4B demonstrated strong competitiveness and substantially accelerated the degradation of glyphosate in different soils, degrading 71.93 and 89.81% of glyphosate (400 mg kg-1) within 5 days in sterile and nonsterile soils, respectively. The immobilized cells of Y4B were more efficient than their free cells and they displayed excellent biodegradation efficiency in a sediment-water system. Taken together, Y4B is an ideal degrader for the bioremediation of glyphosate-contaminated sites.
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Affiliation(s)
- Jiayi Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou510642, China
| | - Wen-Juan Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou510642, China
| | - Wenping Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou510642, China
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming650500, China
| | - Yuming Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou510642, China
| | - Qiqi Lei
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou510642, China
| | - Siyi Wu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou510642, China
| | - Yaohua Huang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou510642, China
| | - Sandhya Mishra
- Environmental Technologies Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow226001, India
| | - Pankaj Bhatt
- Department of Agricultural & Biological Engineering, Purdue University, West Lafayette47906, United States
| | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou510642, China
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10
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Zhang W, Li J, Zhang Y, Wu X, Zhou Z, Huang Y, Zhao Y, Mishra S, Bhatt P, Chen S. Characterization of a novel glyphosate-degrading bacterial species, Chryseobacterium sp. Y16C, and evaluation of its effects on microbial communities in glyphosate-contaminated soil. JOURNAL OF HAZARDOUS MATERIALS 2022; 432:128689. [PMID: 35325860 DOI: 10.1016/j.jhazmat.2022.128689] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 06/14/2023]
Abstract
Widespread use of the herbicide glyphosate in agriculture has resulted in serious environmental problems. Thus, environment-friendly technological solutions are urgently needed for the removal of residual glyphosate from soil. Here, we successfully isolated a novel bacterial strain, Chryseobacterium sp. Y16C, which efficiently degrades glyphosate and its main metabolite aminomethylphosphonic acid (AMPA). Strain Y16C was found to completely degrade glyphosate at 400 mg·L-1 concentration within four days. Kinetics analysis indicated that glyphosate biodegradation was concentration-dependent, with a maximum specific degradation rate, half-saturation constant, and inhibition constant of 0.91459 d-1, 15.79796 mg·L-1, and 290.28133 mg·L-1, respectively. AMPA was identified as the major degradation product of glyphosate degradation, suggesting that glyphosate was first degraded via cleavage of its C-N bond prior to subsequent metabolic degradation. Strain Y16C was also found to tolerate and degrade AMPA at concentrations up to 800 mg·L-1. Moreover, strain Y16C accelerated glyphosate degradation in soil indirectly by inducing a slight alteration in the diversity and composition of soil microbial community. Taken together, our results suggest that strain Y16C may be a potential microbial agent for bioremediation of glyphosate-contaminated soil.
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Affiliation(s)
- Wenping Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Jiayi Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China
| | - Yuming Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China
| | - Xiaozhen Wu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Zhe Zhou
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Yaohua Huang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Yingjie Zhao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China
| | - Sandhya Mishra
- Environmental Technologies Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow 226001, India
| | - Pankaj Bhatt
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China.
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11
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Nguyen NT, Vo VT, Nguyen THP, Kiefer R. Isolation and optimization of a glyphosate-degrading Rhodococcus soli G41 for bioremediation. Arch Microbiol 2022; 204:252. [PMID: 35411478 DOI: 10.1007/s00203-022-02875-0] [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: 11/03/2021] [Revised: 03/03/2022] [Accepted: 03/24/2022] [Indexed: 11/02/2022]
Abstract
A widely used herbicide for controlling weeds, glyphosate, is causing environmental pollution. It is necessary to remove it from environment using a cost-effective and eco-friendly method. The aims of this study were to isolate glyphosate-degrading bacteria and to optimize their degradative conditions required for bioremediation. Sixteen bacterial strains were isolated through enrichment and one strain, Rhodococcus soli G41, demonstrated a high removal rate of glyphosate than other strains. Response surface methodology was employed to optimize distinct environmental factors on glyphosate degradation of G41 strain. The optimal conditions for the maximum glyphosate degradation were found to have the NH4Cl concentration of 0.663% and glyphosate concentration of 0.115%, resulting in a maximum degradation of 42.7% after 7 days. Bioremediation analysis showed 47.1% and 40% of glyphosate in unsterile soil and sterile soil was removed by G41 strain after 14 days, respectively. The presence of soxB gene in G41 strain indicates that the glyphosate is degraded via the eco-friendly sarcosine pathway. The results indicated that G41 strain has the potential to serve as an in-situ candidate for bioremediation of glyphosate polluted environments.
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Affiliation(s)
- Ngoc Tuan Nguyen
- Faculty of Applied Sciences, Ton Duc Thang University, 19 Nguyen Huu Tho St., Tan Phong Ward, Dist. 7, Ho Chi Minh City, Vietnam.
| | - Van Tam Vo
- Faculty of Applied Sciences, Ton Duc Thang University, 19 Nguyen Huu Tho St., Tan Phong Ward, Dist. 7, Ho Chi Minh City, Vietnam
| | - The Hong Phong Nguyen
- Faculty of Applied Sciences, Ton Duc Thang University, 19 Nguyen Huu Tho St., Tan Phong Ward, Dist. 7, Ho Chi Minh City, Vietnam
| | - Rudolf Kiefer
- Faculty of Applied Sciences, Ton Duc Thang University, 19 Nguyen Huu Tho St., Tan Phong Ward, Dist. 7, Ho Chi Minh City, Vietnam
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12
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Sviridov AV, Shushkova TV, Epiktetov DO, Tarlachkov SV, Ermakova IT, Leontievsky AA. Biodegradation of Organophosphorus Pollutants by Soil Bacteria: Biochemical Aspects and Unsolved Problems. APPL BIOCHEM MICRO+ 2021. [DOI: 10.1134/s0003683821070085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Mehta S, Kumar A, Achary VMM, Ganesan P, Rathi N, Singh A, Sahu KP, Lal SK, Das TK, Reddy MK. Antifungal activity of glyphosate against fungal blast disease on glyphosate-tolerant OsmEPSPS transgenic rice. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 311:111009. [PMID: 34482912 DOI: 10.1016/j.plantsci.2021.111009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 07/20/2021] [Accepted: 07/24/2021] [Indexed: 06/13/2023]
Abstract
Weeds, pests, and pathogens are among the pre-harvest constraints in rice farming across rice-growing countries. For weed management, manual weeding and herbicides are widely practiced. Among the herbicides, glyphosate [N-(phosphonomethyl) glycine] is a broad-spectrum systemic chemical extensively used in agriculture. Being a competitive structural analog to phosphoenolpyruvate, it selectively inhibits the conserved 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) enzyme required for the biosynthesis of aromatic amino acids and essential metabolites in eukaryotes and prokaryotes. In the present study, we investigated the antifungal and defense elicitor activity of glyphosate against Magnaporthe oryzae on transgenic-rice overexpressing a glyphosate-resistance OsEPSPS gene (T173I + P177S; TIPS OsmEPSPS) for blast disease management. The glyphosate foliar spray on OsmEPSPS transgenic rice lines showed both prophylactic and curative suppression of blast disease comparable to a blasticide, tricyclazole. The glyphosate displayed direct antifungal activity on Magnaporthe oryzae as well as enhanced the levels of antioxidant enzymes and photosynthetic pigments in rice. However, the genes associated with phytohormones-mediated defense (OsPAD4, OsNPR1.3, and OsFMO) and innate immunity pathway (OsCEBiP and OsCERK1) were found repressed upon glyphosate spray. Altogether, the current study is the first report highlighting the overexpression of a crop-specific TIPS mutation in conjugation with glyphosate application showing potential for blast disease management in rice cultivation.
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Affiliation(s)
- Sahil Mehta
- Crop Improvement Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Aundy Kumar
- ICAR-Indian Agricultural Research Institute, New Delhi, India.
| | - V Mohan Murali Achary
- Crop Improvement Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Prakash Ganesan
- ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Neelmani Rathi
- ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Asmita Singh
- ICAR-Indian Agricultural Research Institute, New Delhi, India
| | | | - Shambhu Krishan Lal
- Crop Improvement Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India; ICAR-Indian Institute of Agricultural Biotechnology, Ranchi, Jharkhand, India
| | - T K Das
- ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Malireddy K Reddy
- Crop Improvement Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India.
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14
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Espinoza-Montero PJ, Vega-Verduga C, Alulema-Pullupaxi P, Fernández L, Paz JL. Technologies Employed in the Treatment of Water Contaminated with Glyphosate: A Review. Molecules 2020; 25:E5550. [PMID: 33256069 PMCID: PMC7730355 DOI: 10.3390/molecules25235550] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/12/2020] [Accepted: 11/19/2020] [Indexed: 11/16/2022] Open
Abstract
Glyphosate [N-(phosphonomethyl)-glycine] is a herbicide with several commercial formulations that are used generally in agriculture for the control of various weeds. It is the most used pesticide in the world and comprises multiple constituents (coadjutants, salts, and others) that help to effectively reach the action's mechanism in plants. Due to its extensive and inadequate use, this herbicide has been frequently detected in water, principally in surface and groundwater nearest to agricultural areas. Its presence in the aquatic environment poses chronic and remote hazards to human health and the environment. Therefore, it becomes necessary to develop treatment processes to remediate aquatic environments polluted with glyphosate, its metabolites, and/or coadjutants. This review is focused on conventional and non-conventional water treatment processes developed for water polluted with glyphosate herbicide; it describes the fundamental mechanism of water treatment processes and their applications are summarized. It addressed biological processes (bacterial and fungi degradation), physicochemical processes (adsorption, membrane filtration), advanced oxidation processes-AOPs (photocatalysis, electrochemical oxidation, photo-electrocatalysis, among others) and combined water treatment processes. Finally, the main operating parameters and the effectiveness of treatment processes are analyzed, ending with an analysis of the challenges in this field of research.
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Affiliation(s)
- Patricio J. Espinoza-Montero
- Escuela de Ciencias Químicas, Pontificia Universidad Católica del Ecuador, Quito 17-01-2184, Ecuador; (C.V.-V.); (P.A.-P.); (L.F.)
| | - Carolina Vega-Verduga
- Escuela de Ciencias Químicas, Pontificia Universidad Católica del Ecuador, Quito 17-01-2184, Ecuador; (C.V.-V.); (P.A.-P.); (L.F.)
| | - Paulina Alulema-Pullupaxi
- Escuela de Ciencias Químicas, Pontificia Universidad Católica del Ecuador, Quito 17-01-2184, Ecuador; (C.V.-V.); (P.A.-P.); (L.F.)
| | - Lenys Fernández
- Escuela de Ciencias Químicas, Pontificia Universidad Católica del Ecuador, Quito 17-01-2184, Ecuador; (C.V.-V.); (P.A.-P.); (L.F.)
| | - Jose L. Paz
- Departamento de Física, Escuela Politécnica Nacional, Ladrón de Guevara, Quito 17-12-866, Ecuador;
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15
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Feng D, Soric A, Boutin O. Treatment technologies and degradation pathways of glyphosate: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 742:140559. [PMID: 32629265 DOI: 10.1016/j.scitotenv.2020.140559] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/25/2020] [Accepted: 06/25/2020] [Indexed: 06/11/2023]
Abstract
Glyphosate is one of the most widely used post-emergence broad-spectrum herbicides in the world. This molecule has been frequently detected in aqueous environment and can cause adverse effects to plants, animals, microorganisms, and humans. This review offers a comparative assessment of current treatment methods (physical, biological, and advanced oxidation process) for glyphosate wastewaters, considering their advantages and drawbacks. As for other molecules, adsorption does not destroy glyphosate. It can be used before other processes, if glyphosate concentrations are very high, or after, to decrease the final concentration of glyphosate and its by-products. Most of biological and oxidation processes can destroy glyphosate molecules, leading to by-products (the main ones being AMAP and sarcosine) that can be or not affected by these processes. This point is of major importance to control process efficiency. That is the reason why a specific focus on glyphosate degradation pathways by biological treatment or different advanced oxidation processes is proposed. However, one process is usually not efficient enough to reach the required standards. Therefore, the combination of processes (for instance biological and oxidation ones) seems to be high-performance technologies for the treatment of glyphosate-containing wastewater, due to their potential to overcome some drawbacks of each individual process. Finally, this review provides indications for future work for different treatment processes to increase their performances and gives some insights into the treatment of glyphosate or other organic contaminants in wastewater.
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Affiliation(s)
- Dan Feng
- Aix Marseille University, CNRS, Centrale Marseille, M2P2, Marseille, France.
| | - Audrey Soric
- Aix Marseille University, CNRS, Centrale Marseille, M2P2, Marseille, France.
| | - Olivier Boutin
- Aix Marseille University, CNRS, Centrale Marseille, M2P2, Marseille, France.
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16
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Zhang C, Li J, Wu X, Long Y, An H, Pan X, Li M, Dong F, Zheng Y. Rapid degradation of dimethomorph in polluted water and soil by Bacillus cereus WL08 immobilized on bamboo charcoal-sodium alginate. JOURNAL OF HAZARDOUS MATERIALS 2020; 398:122806. [PMID: 32497856 DOI: 10.1016/j.jhazmat.2020.122806] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 03/29/2020] [Accepted: 04/22/2020] [Indexed: 06/11/2023]
Abstract
The presence of hazardous dimethomorph residues in the environment poses a threat to birds, aquatic organisms and mammals. The novel pure strain Bacillus cereus WL08 responsible for detoxifying dimethomorph was isolated from dimethomorph-polluted soils. The immobilized system of WL08 was developed using bamboo charcoal (BC) and sodium alginate (SA). Immobilization significantly improved tolerance and stability of strain WL08. Under optimal conditions of pH 7.0 and 30 ℃, free and immobilized WL08 degraded 66.95% and 96.88% of 50 mg/L dimethomorph within 72 h, respectively. Moreover, strain WL08 effectively degraded dimethomorph to simple products which were lower toxic than dimethomorph. In a continuous reactor system, immobilized WL08 removed 85.61% of dimethomorph for 30 d at an influent concentration of 50-100 mg/L. In the field soil sprayed with 4.20 kg a.i./ha 80% dimethomorph water dispersible granule (WDG) was treated by immobilized WL08, the lower half-life (1.93 d) was observed, as compared with free WL08 (4.28 d) and natural dissipation (23.82 d). Immobilized WL08 can be considered as a tool for the removal of dimethomorph in water-soil systems. This study provides a feasible microbe-based strategy for bioremediation of dimethomorph-polluted environments.
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Affiliation(s)
- Cheng Zhang
- Department of Plant Protection, Institute of Corp Protection, Research Center for Engineering Technology of Kiwifruit, Guizhou Engineering Research Center of Fruit Crops, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, PR China; Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, College of Agricultural Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Jiaohong Li
- Department of Plant Protection, Institute of Corp Protection, Research Center for Engineering Technology of Kiwifruit, Guizhou Engineering Research Center of Fruit Crops, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, PR China
| | - Xiaomao Wu
- Department of Plant Protection, Institute of Corp Protection, Research Center for Engineering Technology of Kiwifruit, Guizhou Engineering Research Center of Fruit Crops, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, PR China; State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China.
| | - Youhua Long
- Department of Plant Protection, Institute of Corp Protection, Research Center for Engineering Technology of Kiwifruit, Guizhou Engineering Research Center of Fruit Crops, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, PR China
| | - Huaming An
- Department of Plant Protection, Institute of Corp Protection, Research Center for Engineering Technology of Kiwifruit, Guizhou Engineering Research Center of Fruit Crops, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, PR China
| | - Xinglu Pan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Ming Li
- Department of Plant Protection, Institute of Corp Protection, Research Center for Engineering Technology of Kiwifruit, Guizhou Engineering Research Center of Fruit Crops, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, PR China
| | - Fengshou Dong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Yongquan Zheng
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China.
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17
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Singh S, Kumar V, Gill JPK, Datta S, Singh S, Dhaka V, Kapoor D, Wani AB, Dhanjal DS, Kumar M, Harikumar SL, Singh J. Herbicide Glyphosate: Toxicity and Microbial Degradation. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E7519. [PMID: 33076575 PMCID: PMC7602795 DOI: 10.3390/ijerph17207519] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/12/2020] [Accepted: 10/13/2020] [Indexed: 01/17/2023]
Abstract
Glyphosate is a non-specific organophosphate pesticide, which finds widespread application in shielding crops against the weeds. Its high solubility in hydrophilic solvents, especially water and high mobility allows the rapid leaching of the glyphosate into the soil leading to contamination of groundwater and accumulation into the plant tissues, therefore intricating the elimination of the herbicides. Despite the widespread application, only a few percentages of the total applied glyphosate serve the actual purpose, dispensing the rest in the environment, thus resulting in reduced crop yields, low quality agricultural products, deteriorating soil fertility, contributing to water pollution, and consequently threatening human and animal life. This review gives an insight into the toxicological effects of the herbicide glyphosate and current approaches to track and identify trace amounts of this agrochemical along with its biodegradability and possible remediating strategies. Efforts have also been made to summarize the biodegradation mechanisms and catabolic enzymes involved in glyphosate metabolism.
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Affiliation(s)
- Simranjeet Singh
- Department of Biotechnology, Lovely Professional University, Phagwara 144411, India; (S.S.); (V.D.); (D.S.D.)
- Punjab Biotechnology Incubator (PBTI), Phase-V, S.A.S. Nagar, Punjab 160059, India
- Regional Advance Water Testing Laboratory, Department of Water Supply and Sanitation, Phase-II, S.A.S. Nagar 160054, India;
| | - Vijay Kumar
- Regional Ayurveda Research Institute for Drug Development, Gwalior 474009, India;
| | | | - Shivika Datta
- Department of Zoology, Doaba College Jalandhar, Jalandhar 144001, India;
| | - Satyender Singh
- Regional Advance Water Testing Laboratory, Department of Water Supply and Sanitation, Phase-II, S.A.S. Nagar 160054, India;
| | - Vaishali Dhaka
- Department of Biotechnology, Lovely Professional University, Phagwara 144411, India; (S.S.); (V.D.); (D.S.D.)
| | - Dhriti Kapoor
- Department of Botany, Lovely Professional University, Phagwara 144411, India;
| | - Abdul Basit Wani
- Department of Chemistry, Lovely Professional University, Phagwara 144411, India;
| | - Daljeet Singh Dhanjal
- Department of Biotechnology, Lovely Professional University, Phagwara 144411, India; (S.S.); (V.D.); (D.S.D.)
| | - Manoj Kumar
- Department of Life Sciences, Central University Jharkhand, Brambe, Ranchi 835205, India; (M.K.); (S.L.H.)
| | - S. L. Harikumar
- Department of Life Sciences, Central University Jharkhand, Brambe, Ranchi 835205, India; (M.K.); (S.L.H.)
| | - Joginder Singh
- Department of Biotechnology, Lovely Professional University, Phagwara 144411, India; (S.S.); (V.D.); (D.S.D.)
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18
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Elarabi NI, Abdelhadi AA, Ahmed RH, Saleh I, Arif IA, Osman G, Ahmed DS. Bacillus aryabhattai FACU: A promising bacterial strain capable of manipulate the glyphosate herbicide residues. Saudi J Biol Sci 2020; 27:2207-2214. [PMID: 32884402 PMCID: PMC7451736 DOI: 10.1016/j.sjbs.2020.06.050] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 06/24/2020] [Accepted: 06/30/2020] [Indexed: 12/02/2022] Open
Abstract
Glyphosate is a commonly used organophosphate herbicide that has an adverse impact on humans, mammals and soil microbial ecosystems. The redundant utilize of glyphosate to control weed growth cause the pollution of the soil environment by this chemical. The discharge of glyphosate in the agricultural drainage can also cause serious environmental damage and water pollution problems. Therefore, it is important to develop methods for enhancing glyphosate degradation in the soil through bioremediation. In this study, thirty bacterial isolates were selected from an agro-industrial zone located in Sadat City of Monufia Governorate, Egypt. The isolates were able to grow in LB medium supplemented with 7.2 mg/ml glyphosate. Ten isolates only had the ability to grow in a medium containing different concentrations of glyphosate (50, 100, 150, 200 and 250 mg/ml). The FACU3 bacterial isolate showed the highest CFU in the different concentrations of glyphosate. The FACU3 isolate was Gram-positive, spore-forming and rod-shape bacteria. Based on API 50 CHB/E medium kit, biochemical properties and 16S rRNA gene sequencing, the FACU3 isolate was identified as Bacillus aryabhattai. Different bioinformatics tools, including multiple sequence alignment (MSA), basic local alignment search tool (BLAST) and primer alignment, were used to design specific primers for goxB gene amplification and isolation. The goxB gene encodes FAD-dependent glyphosate oxidase enzyme that responsible for biodegradation process. The selected primers were successfully used to amplify the goxB gene from Bacillus aryabhattai FACU3. The results indicated that the Bacillus aryabhattai FACU3 can be utilized in glyphosate-contaminated environments for bioremediation. According to our knowledge, this is the first time to isolate of FAD-dependent glyphosate oxidase (goxB) gene from Bacillus aryabhattai.
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Affiliation(s)
- Nagwa I. Elarabi
- Cairo University, Faculty of Agriculture, Department of Genetics, Giza 12613, Egypt
| | | | - Rasha H. Ahmed
- Cairo University, Faculty of Agriculture, Department of Microbiology, Giza 12613, Egypt
| | - Ibrahim Saleh
- Prince Sultan Research Chair for Environment and Wildlife, Department of Botany & Microbiology, College of Sciences, King Saud University (KSU), Riyadh, Saudi Arabia
| | - Ibrahim A. Arif
- Prince Sultan Research Chair for Environment and Wildlife, Department of Botany & Microbiology, College of Sciences, King Saud University (KSU), Riyadh, Saudi Arabia
| | - Gamal Osman
- Agricultural Genetic Engineering Research Institute (AGERI), Agricultural Research Center (ARC), 12619 Giza, Egypt
- Department of Biology, Faculty of Applied Science, Umm Al-Qura University, Makka, Saudi Arabia
- Research Laboratories Center, Faculty of Applied Science, Umm Al-Qura University, Mecca, Saudi Arabia
| | - Dalia S. Ahmed
- Cairo University, Faculty of Agriculture, Department of Genetics, Giza 12613, Egypt
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19
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Kaczynski P, Lozowicka B, Wolejko E, Iwaniuk P, Konecki R, Dragowski W, Lozowicki J, Amanbek N, Rusilowska J, Pietraszko A. Complex study of glyphosate and metabolites influence on enzymatic activity and microorganisms association in soil enriched with Pseudomonas fluorescens and sewage sludge. JOURNAL OF HAZARDOUS MATERIALS 2020; 393:122443. [PMID: 32163800 DOI: 10.1016/j.jhazmat.2020.122443] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 02/26/2020] [Accepted: 02/29/2020] [Indexed: 05/18/2023]
Abstract
This is the first large scale study of fate of the glyphosate (GLP) and its metabolites, (AMPA, N-acetyl glyphosate, N-acetyl AMPA, sarcosine and glycine) monitored by LC/MS/MS. The laboratory trials of behavior of GLP in two types of agricultural soil were performed. Soil (S), soil enriched with sewage sludge (S + SL), soil with Pseudomonas fluorescens (S + P) and soil enriched with sewage sludge and P. fluorescens (S + SL + P) was treated with Roundup 360 SL under controlled conditions. The presence of metabolites was depended on the soil type and enrichment with sludge or bacteria. The GLP and its soil metabolites caused increase of microorganisms association in comparison to control. We assumed that P. fluorescens and sewage sludge influence on time of GLP dissipation. Moreover, GLP degradation in presence of P. fluorescens and sewage sludge is carried out in different metabolic pathways compared to control (S + GLP). Furthermore, presence of particular GLP metabolites is related to different metabolic pathways and is connected with P. fluorescens and sewage sludge occurrence in soil. Additionally, P. fluorescens and sewage sludge stimulate enzymatic activity of soils.
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Affiliation(s)
- Piotr Kaczynski
- Institute of Plant Protection-National Research Institute, Chelmonskiego 22 Street, 15-195 Bialystok, Poland.
| | - Bozena Lozowicka
- Institute of Plant Protection-National Research Institute, Chelmonskiego 22 Street, 15-195 Bialystok, Poland; Kazakh National Agrarian University, Abai Avenue 8, Almaty, 050010, Kazakhstan
| | - Elzbieta Wolejko
- Bialystok University of Technology, Department of Chemistry, Biology and Biotechnology, Wiejska 45A Street, 15-351, Bialystok, Poland.
| | - Piotr Iwaniuk
- Institute of Plant Protection-National Research Institute, Chelmonskiego 22 Street, 15-195 Bialystok, Poland; University of Bialystok, Department of Microbiology and Biotechnology, Faculty of Biology, Ciolkowskiego 1J Street, 15-245, Bialystok, Poland
| | - Rafal Konecki
- Institute of Plant Protection-National Research Institute, Chelmonskiego 22 Street, 15-195 Bialystok, Poland
| | - Wojciech Dragowski
- Institute of Plant Protection-National Research Institute, Chelmonskiego 22 Street, 15-195 Bialystok, Poland
| | | | - Nurlan Amanbek
- Kazakh National Agrarian University, Abai Avenue 8, Almaty, 050010, Kazakhstan
| | - Julia Rusilowska
- Institute of Plant Protection-National Research Institute, Chelmonskiego 22 Street, 15-195 Bialystok, Poland
| | - Aleksandra Pietraszko
- Institute of Plant Protection-National Research Institute, Chelmonskiego 22 Street, 15-195 Bialystok, Poland
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Feng D, Malleret L, Soric A, Boutin O. Kinetic study of glyphosate degradation in wet air oxidation conditions. CHEMOSPHERE 2020; 247:125930. [PMID: 31978662 DOI: 10.1016/j.chemosphere.2020.125930] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 12/07/2019] [Accepted: 01/14/2020] [Indexed: 06/10/2023]
Abstract
Glyphosate is one of the most widely used herbicides in the world against perennial and annual weeds. It has been reported to be a micro pollutant, and its degradation in different wastewater treatment processes must be studied. For that purpose, the kinetics of wet air oxidation of glyphosate was studied in an autoclave reactor at a temperature range of 423-523 K and under a total pressure of 15 MPa. Oxidation reactions obeyed the first-order kinetics with respect to glyphosate concentration. The activation energy for glyphosate oxidation was found to be equal to 68.4 kJ mol-1. Furthermore, the possible reaction intermediates and main end products of glyphosate degradation in the wet air oxidation process were identified and quantified using UV-spectrophotometry and liquid chromatography coupled to high resolution mass spectrometry. A degradation pathway for glyphosate oxidation was proposed.
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Affiliation(s)
- Dan Feng
- Aix Marseille University, CNRS, Centrale Marseille, M2P2, Marseille, France
| | | | - Audrey Soric
- Aix Marseille University, CNRS, Centrale Marseille, M2P2, Marseille, France
| | - Olivier Boutin
- Aix Marseille University, CNRS, Centrale Marseille, M2P2, Marseille, France.
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Characterization of Microbial Communities, Identification of Cr(VI) Reducing Bacteria in Constructed Wetland and Cr(VI) Removal Ability of Bacillus cereus. Sci Rep 2019; 9:12873. [PMID: 31492913 PMCID: PMC6731280 DOI: 10.1038/s41598-019-49333-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 08/24/2019] [Indexed: 01/01/2023] Open
Abstract
In this study, the contribution of substrates microorganisms in three different constructed wetlands (CWs) to Cr(VI) purification was discussed. In addition, the microbial communities in the substrate of different CWs were characterized, and rhizosphere Cr(VI) reducing bacteria was also identified. The results showed that microorganisms could improved Cr(VI) removal to 76.5%, and result in that more Cr(VI) was reduced to Cr(III). The dominant strains in the substrates of different CWs were Sphingomonas sp., Cystobacter sp., Acidobacteria bacterium, Sporotrichum and Pellicularia species. The Cr(VI) reducing bacteria from Leersia hexandra Swartz rhizosphere was identified as Bacillus cereus. Furthermore, under suitable conditions, the removal rate of Cr(VI) by Bacillus cereus was close to 100%.
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Xu B, Sun QJ, Lan JCW, Chen WM, Hsueh CC, Chen BY. Exploring the glyphosate-degrading characteristics of a newly isolated, highly adapted indigenous bacterial strain, Providencia rettgeri GDB 1. J Biosci Bioeng 2019; 128:80-87. [PMID: 30782422 DOI: 10.1016/j.jbiosc.2019.01.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 12/13/2018] [Accepted: 01/14/2019] [Indexed: 01/20/2023]
Abstract
This study explored the characteristics of a newly isolated glyphosate (GLYP)-degrading bacterium Providencia rettgeri GDB 1, for GLYP bioremediation. Due to the serial selection pressure of high GLYP concentrations for enriched isolation, this highly tolerant GLYP biodegrader shows very promising capabilities for GLYP removal (approximately 71.4% degradation efficiency) compared to previously reported strains. High performance liquid chromatography analyses showed aminomethylphosphonic acid (AMPA) rather than sarcosine (SAR) to be the sole intermediate of GLYP decomposition via the AMPA formation pathway. Moreover, GLYP biodegradation was biochemically favorable in aerobic cultures due to its strong growth-associated characteristics. To the best of our knowledge, this is the first report to indicate that bacterial strains in the Providencia genus could demonstrate highly promising GLYP-degrading characteristics in environments with high GLYP contents.
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Affiliation(s)
- Bin Xu
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering, Research Center for Learning Science, Southeast University, Nanjing 210096, PR China; Department of Chemical and Materials Engineering, National I-Lan University, I-Lan 26047, Taiwan
| | - Qing-Jiang Sun
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering, Research Center for Learning Science, Southeast University, Nanjing 210096, PR China
| | - John Chi-Wei Lan
- Biorefinery and Bioprocess Engineering Laboratory, Department of Chemical Engineering and Materials Science, Yuan Ze University, Chungli, Taoyuan 32003, Taiwan
| | - Wen-Ming Chen
- Department of Seafood Science, National Kaohsiung Marine University, No. 142 Hai-Chuan Road, Nan-Tzu, Kaohsiung 811, Taiwan
| | - Chung-Chuan Hsueh
- Department of Chemical and Materials Engineering, National I-Lan University, I-Lan 26047, Taiwan
| | - Bor-Yann Chen
- Department of Chemical and Materials Engineering, National I-Lan University, I-Lan 26047, Taiwan.
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Singh S, Kumar V, Singh S, Singh J. Influence of humic acid, iron and copper on microbial degradation of fungicide Carbendazim. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2019. [DOI: 10.1016/j.bcab.2019.101196] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Zhan H, Feng Y, Fan X, Chen S. Recent advances in glyphosate biodegradation. Appl Microbiol Biotechnol 2018; 102:5033-5043. [PMID: 29705962 DOI: 10.1007/s00253-018-9035-0] [Citation(s) in RCA: 128] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 04/16/2018] [Accepted: 04/17/2018] [Indexed: 02/01/2023]
Abstract
Glyphosate has emerged as the most widespread herbicide to control annual and perennial weeds. Massive use of glyphosate for decades has resulted in its ubiquitous presence in the environment, and poses a threat to humans and ecosystem. Different approaches such as adsorption, photocatalytic degradation, and microbial degradation have been studied to break down glyphosate in the environment. Among these, microbial degradation is the most effective and eco-friendly method. During its degradation, various microorganisms can use glyphosate as a sole source of phosphorus, carbon, and nitrogen. Major glyphosate degradation pathways and its metabolites have been frequently investigated, but the related enzymes and genes have been rarely studied. There are many reviews about the toxicity and fate of glyphosate and its major metabolite, aminomethylphosphonic acid. However, there is lack of reviews on biodegradation and bioremediation of glyphosate. The aims of this review are to summarize the microbial degradation of glyphosate and discuss the potential of glyphosate-degrading microorganisms to bioremediate glyphosate-contaminated environments. This review will provide an instructive direction to apply glyphosate-degrading microorganisms in the environment for bioremediation.
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Affiliation(s)
- Hui Zhan
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Yanmei Feng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Xinghui Fan
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, 510642, People's Republic of China.
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Manogaran M, Shukor MY, Yasid NA, Khalil KA, Ahmad SA. Optimisation of culture composition for glyphosate degradation by Burkholderia vietnamiensis strain AQ5-12. 3 Biotech 2018; 8:108. [PMID: 29430369 DOI: 10.1007/s13205-018-1123-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Accepted: 01/16/2018] [Indexed: 10/18/2022] Open
Abstract
The herbicide glyphosate is often used to control weeds in agricultural lands. However, despite its ability to effectively kill weeds at low cost, health problems are still reported due to its toxicity level. The removal of glyphosate from the environment is usually done by microbiological process since chemical process of degradation is ineffective due to the presence of highly stable bonds. Therefore, finding glyphosate-degrading microorganisms in the soil of interest is crucial to remediate this glyphosate. Burkholderia vietnamiensis strain AQ5-12 was found to have glyphosate-degrading ability. Optimisation of biodegradation condition was carried out utilising one factor at a time (OFAT) and response surface methodology (RSM). Five parameters including carbon and nitrogen source, pH, temperature and glyphosate concentration were optimised. Based on OFAT result, glyphosate degradation was observed to be optimum at fructose concentration of 6, 0.5 g/L ammonia sulphate, pH 6.5, temperature of 32 °C and glyphosate concentration at 100 ppm. Meanwhile, RSM resulted in a better degradation with 92.32% of 100 ppm glyphosate compared to OFAT. The bacterium was seen to tolerate up to 500 ppm glyphosate while increasing concentration results in reduced degradation and bacterial growth rate.
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Manogaran M, Ahmad SA, Yasid NA, Yakasai HM, Shukor MY. Characterisation of the simultaneous molybdenum reduction and glyphosate degradation by Burkholderia vietnamiensis AQ5-12 and Burkholderia sp. AQ5-13. 3 Biotech 2018; 8:117. [PMID: 29430378 DOI: 10.1007/s13205-018-1141-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 01/30/2018] [Indexed: 10/18/2022] Open
Abstract
In this novel study, we report on the use of two molybdenum-reducing bacteria with the ability to utilise the herbicide glyphosate as the phosphorus source. The bacteria reduced sodium molybdate to molybdenum blue (Mo-blue), a colloidal and insoluble product, which is less toxic. The characterisation of the molybdenum-reducing bacteria was carried out using resting cells immersed in low-phosphate molybdenum media. Two glyphosate-degrading bacteria, namely Burkholderia vietnamiensis AQ5-12 and Burkholderia sp. AQ5-13, were able to use glyphosate as a phosphorous source to support molybdenum reduction to Mo-blue. The bacteria optimally reduced molybdenum between the pHs of 6.25 and 8. The optimum concentrations of molybdate for strain Burkholderia vietnamiensis strain AQ5-12 was observed to be between 40 and 60 mM, while for Burkholderia sp. AQ5-13, the optimum molybdate concentration occurred between 40 and 50 mM. Furthermore, 5 mM of phosphate was seen as the optimum concentration supporting molybdenum reduction for both bacteria. The optimum temperature aiding Mo-blue formation ranged from 30 to 40 °C for Burkholderia vietnamiensis strain AQ5-12, whereas for Burkholderia sp. AQ5-13, the range was from 35 to 40 °C. Glucose was the best electron donor for supporting molybdate reduction, followed by sucrose, fructose and galactose for both strains. Ammonium sulphate was the best nitrogen source in supporting molybdenum reduction. Interestingly, increasing the glyphosate concentrations beyond 100 and 300 ppm for Burkholderia vietnamiensis strain AQ5-12 and Burkholderia sp. AQ5-13, respectively, significantly inhibited molybdenum reduction. The ability of these bacteria to reduce molybdenum while degrading glyphosate is a useful process for the bioremediation of both toxicants.
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Geng Y, Deng Y, Chen F, Jin H, Hou T, Tao K. Isopropanol biodegradation by immobilized Paracoccus denitrificans in a three-phase fluidized bed reactor. Prep Biochem Biotechnol 2018; 46:747-754. [PMID: 26716611 DOI: 10.1080/10826068.2015.1135446] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
A three-phase bed bioreactor including a mix of immobilized microbes was used to degrade isopropanol (IPA). The immobilization method was studied and cells immobilized with calcium alginate, polyvinyl alcohol, activated carbon, and SiO2 were demonstrated to be the best immobilization method for the degradation of 90% of 2 g/L IPA in just 4 days, 1 day earlier than with free cells. Acetone was monitored as an indicator of microbial IPA utilization as the major intermediate of aerobic IPA biodegradation. The bioreactor was operated at hydraulic retention time (HRT) values of 32, 24, 16, 12, and 10 hr, which correspond to membrane fluxes of 0.03, 0.04, 0.06, 0.08, and 0.10 L/m2/hr, respectively. The chemical oxygen demand (COD) removal efficiencies were maintained at 98.0, 97.8, 89.1, 80.6, and 71.1% at a HRT of 32, 24, 16, 12, and 10 hr, respectively, while the IPA degradations were 98.6, 98.3, 90.3, 81.6, and 73.3%, respectively. With a comprehensive consideration of COD removal and economy, the optimal HRT was 24 hr. The results demonstrate the potential of immobilized mixed bacterial consortium in a three-phase fluidized bed reactor system for the aerobic treatment of wastewater containing IPA.
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Affiliation(s)
- Yucong Geng
- a Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education , College of Life Sciences, Sichuan University , Chengdu , China
| | - Yuanjie Deng
- a Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education , College of Life Sciences, Sichuan University , Chengdu , China
| | - Feilong Chen
- a Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education , College of Life Sciences, Sichuan University , Chengdu , China
| | - Hong Jin
- a Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education , College of Life Sciences, Sichuan University , Chengdu , China
| | - Taiping Hou
- a Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education , College of Life Sciences, Sichuan University , Chengdu , China
| | - Ke Tao
- a Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education , College of Life Sciences, Sichuan University , Chengdu , China
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Yan S, Zhao W, Shi C, Tong Q, Zhai Z, Wang Y. Isolation and characterization of a high salt-tolerant and glyphosate-degrading strain of Agrobacterium tumefaciens BZ8. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2017. [DOI: 10.1590/0104-6632.20170343s20150803] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Shoubao Yan
- Huainan Normal University, China; Liquor Making Biological Technology and Application of Key Laboratory of Sichuan Province, People's Republic of China
| | - Wei Zhao
- Huainan Normal University, China
| | - Cuie Shi
- Huainan Normal University, China
| | | | - Zhijun Zhai
- Jiangxi agricultural University, People's Republic of China
| | - Yun Wang
- Huainan Normal University, China
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Manogaran M, Shukor MY, Yasid NA, Johari WLW, Ahmad SA. Isolation and characterisation of glyphosate-degrading bacteria isolated from local soils in Malaysia. RENDICONTI LINCEI-SCIENZE FISICHE E NATURALI 2017. [DOI: 10.1007/s12210-017-0620-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Fu GM, Li RY, Li KM, Hu M, Yuan XQ, Li B, Wang FX, Liu CM, Wan Y. Optimization of liquid-state fermentation conditions for the glyphosate degradation enzyme production of strain Aspergillus oryzae by ultraviolet mutagenesis. Prep Biochem Biotechnol 2016; 46:780-787. [PMID: 26795747 DOI: 10.1080/10826068.2015.1135462] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
This study aimed to obtain strains with high glyphosate-degrading ability and improve the ability of glyphosate degradation enzyme by the optimization of fermentation conditions. Spore from Aspergillus oryzae A-F02 was subjected to ultraviolet mutagenesis. Single-factor experiment and response surface methodology were used to optimize glyphosate degradation enzyme production from mutant strain by liquid-state fermentation. Four mutant strains were obtained and named as FUJX 001, FUJX 002, FUJX 003, and FUJX 004, in which FUJX 001 gave the highest total enzyme activity. Starch concentration at 0.56%, GP concentration at 1,370 mg/l, initial pH at 6.8, and temperature at 30°C were the optimum conditions for the improved glyphosate degradation endoenzyme production of A. oryzae FUJX 001. Under these conditions, the experimental endoenzyme activity was 784.15 U/100 ml fermentation liquor. The result (784.15 U/100 ml fermentation liquor) was approximately 14-fold higher than that of the original strain. The result highlights the potential of glyphosate degradation enzyme to degrade glyphosate.
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Affiliation(s)
- Gui-Ming Fu
- a State Key Laboratory of Food Science and Technology , Nanchang University , Nanchang , China
- b Sino-German Food Engineering Center , Nanchang University , Nanchang , China
- c Food Science College, Nanchang University , Nanchang , China
| | - Ru-Yi Li
- a State Key Laboratory of Food Science and Technology , Nanchang University , Nanchang , China
- b Sino-German Food Engineering Center , Nanchang University , Nanchang , China
- c Food Science College, Nanchang University , Nanchang , China
| | - Kai-Min Li
- a State Key Laboratory of Food Science and Technology , Nanchang University , Nanchang , China
- b Sino-German Food Engineering Center , Nanchang University , Nanchang , China
- c Food Science College, Nanchang University , Nanchang , China
| | - Ming Hu
- a State Key Laboratory of Food Science and Technology , Nanchang University , Nanchang , China
- b Sino-German Food Engineering Center , Nanchang University , Nanchang , China
- c Food Science College, Nanchang University , Nanchang , China
| | - Xiao-Qiang Yuan
- a State Key Laboratory of Food Science and Technology , Nanchang University , Nanchang , China
- b Sino-German Food Engineering Center , Nanchang University , Nanchang , China
- c Food Science College, Nanchang University , Nanchang , China
| | - Bin Li
- a State Key Laboratory of Food Science and Technology , Nanchang University , Nanchang , China
- b Sino-German Food Engineering Center , Nanchang University , Nanchang , China
- c Food Science College, Nanchang University , Nanchang , China
| | - Feng-Xue Wang
- a State Key Laboratory of Food Science and Technology , Nanchang University , Nanchang , China
- b Sino-German Food Engineering Center , Nanchang University , Nanchang , China
- c Food Science College, Nanchang University , Nanchang , China
| | - Cheng-Mei Liu
- a State Key Laboratory of Food Science and Technology , Nanchang University , Nanchang , China
- b Sino-German Food Engineering Center , Nanchang University , Nanchang , China
- c Food Science College, Nanchang University , Nanchang , China
| | - Yin Wan
- a State Key Laboratory of Food Science and Technology , Nanchang University , Nanchang , China
- c Food Science College, Nanchang University , Nanchang , China
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Borah N, Barua R, Nath D, Hazarika K, Phukon A, Goswami K, Barua DC. Low Energy Rice Stubble Management through in Situ Decomposition. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.proenv.2016.07.092] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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32
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Prashar P, Shah S. Impact of Fertilizers and Pesticides on Soil Microflora in Agriculture. SUSTAINABLE AGRICULTURE REVIEWS 2016. [DOI: 10.1007/978-3-319-26777-7_8] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Zhang C, Hu X, Luo J, Wu Z, Wang L, Li B, Wang Y, Sun G. Degradation dynamics of glyphosate in different types of citrus orchard soils in China. Molecules 2015; 20:1161-75. [PMID: 25587790 PMCID: PMC6272633 DOI: 10.3390/molecules20011161] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 01/06/2015] [Indexed: 12/02/2022] Open
Abstract
Glyphosate formulations that are used as a broad-spectrum systemic herbicide have been widely applied in agriculture, causing increasing concerns about residues in soils. In this study, the degradation dynamics of glyphosate in different types of citrus orchard soils in China were evaluated under field conditions. Glyphosate soluble powder and aqueous solution were applied at 3000 and 5040 g active ingredient/hm2, respectively, in citrus orchard soils, and periodically drawn soil samples were analyzed by high performance liquid chromatography. The results showed that the amount of glyphosate and its degradation product aminomethylphosphonic acid (AMPA) in soils was reduced with the increase of time after application of glyphosate formulations. Indeed, the amount of glyphosate in red soil from Hunan and Zhejiang Province, and clay soil from Guangxi Province varied from 0.13 to 0.91 µg/g at 42 days after application of aqueous solution. Furthermore, the amount of glyphosate in medium loam from Zhejiang and Guangdong Province, and brown loam from Guizhou Province varied from less than 0.10 to 0.14 µg/g, while the amount of AMPA varied from less than 0.10 to 0.99 µg/g at 42 days after application of soluble powder. Overall, these findings demonstrated that the degradation dynamics of glyphosate aqueous solution and soluble powder as well as AMPA depend on the physicochemical properties of the applied soils, in particular soil pH, which should be carefully considered in the application of glyphosate herbicide.
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Affiliation(s)
- Changpeng Zhang
- MOA Key Lab for Pesticide Residue Detection, Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
| | - Xiuqing Hu
- MOA Key Lab for Pesticide Residue Detection, Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
| | - Jinyan Luo
- Shanghai Extension and Service Center of Agriculture Technical, Shanghai 201103, China.
| | - Zhiyi Wu
- Zhejiang Entry-Exit Inspection and Quarantine Bureau, Hangzhou 310012, China.
| | - Li Wang
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China.
| | - Bin Li
- State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China.
| | - Yanli Wang
- State Key Laboratory Breeding Base for Zhejiang Sustainable Plant Pest and Disease Control, Key Laboratory of Detection for Pesticide Residues, Ministry of Agriculture, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
| | - Guochang Sun
- State Key Laboratory Breeding Base for Zhejiang Sustainable Plant Pest and Disease Control, Key Laboratory of Detection for Pesticide Residues, Ministry of Agriculture, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
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Zhao H, Tao K, Zhu J, Liu S, Gao H, Zhou X. Bioremediation potential of glyphosate-degrading Pseudomonas spp. strains isolated from contaminated soil. J GEN APPL MICROBIOL 2015; 61:165-70. [PMID: 26582285 DOI: 10.2323/jgam.61.165] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Bacterial strains capable of utilizing glyphosate as the sole carbon source were isolated from contaminated soil by the enrichment culture method and identified based on partial 16S rRNA gene sequence analysis. Pseudomonas spp. strains GA07, GA09 and GC04 demonstrated the best degradation capabilities towards glyphosate and were used for the laboratory experiments of glyphosate bioremediation. Inoculating glyphosate-treated soil samples with these three strains resulted in a 2-3 times higher rate of glyphosate removal than that in non-inoculated soil. The degradation kinetics was found to follow a first-order model with regression values greater than 0.96. Cell numbers of the introduced bacteria decreased from 4.4 × 10(6) CFU/g to 3.4-6.7 × 10(5) CFU/g dry soil within 18 days of inoculation. Due to the intense degradation of glyphosate, the total dehydrogenase activity of the soil microbial community increased by 21.2-25.6%. Analysis of glyphosate degradation products in cell-free extracts showed that glyphosate breakdown in strain GA09 was catalyzed both by C-P lyase and glyphosate oxidoreductase. Strains GA07 and GC04 degraded glyphosate only via glyphosate oxidoreductase, but no further metabolite was detected. These results highlight the potential of the isolated bacteria to be used in the bioremediation of GP-contaminated soils.
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Affiliation(s)
- Haoyu Zhao
- Key Laboratory of Integrated Pest Management on Crops in Southwest, Ministry of Agriculture, Institute of Plant Protection, Sichuan Academy of Agricultural Science
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Klimek-Ochab M. Phosphate-independent utilization of phosphonoacetic acid as sole phosphorus source by a psychrophilic strain of Geomyces pannorum P15. Folia Microbiol (Praha) 2014; 59:375-80. [PMID: 24570323 PMCID: PMC4133637 DOI: 10.1007/s12223-014-0309-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Accepted: 01/27/2014] [Indexed: 11/28/2022]
Abstract
A psychrophilic fungal strain of Geomyces pannorum P15 was screened for its ability to utilize a range of synthetic and natural organophosphonate compounds as the sole source of phosphorus, nitrogen, or carbon. Only phosphonoacetic acid served as a phosphorus source for microbial growth in phosphate-independent manner. Substrate metabolism did not lead to extracellular release of inorganic phosphate. No phosphonate metabolizing enzyme activity was detectable in cell-free extracts prepared from Geomyces biomass pregrown on 2 mmol/L phosphonoacetic acid.
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Affiliation(s)
- Magdalena Klimek-Ochab
- Department of Bioorganic Chemistry, Faculty of Chemistry, Wroclaw University of Technology, Wybrzeże Wyspiańskiego 27, Wrocław, 50-370, Poland,
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Greetham D. Phenotype microarray technology and its application in industrial biotechnology. Biotechnol Lett 2014; 36:1153-60. [PMID: 24563312 DOI: 10.1007/s10529-014-1481-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Accepted: 01/24/2014] [Indexed: 11/25/2022]
Abstract
Phenotype microarray (PM) technology provides an insight into the metabolic profiling of microbial cells within 96-well plate system. The PM assay allows for cells to be assessed for utilisation of nutrients or sensitivity to toxic compounds. The assay utilises a redox sensitive tetrazolium dye which becomes irreversibly reduced upon detection of cellular metabolic output, detection is synchronous with a colour change from colourless to purple. Output from PM technology can be measured visually or quantified by reader the absorbance in each well. PM technology has highlighted differences in growth requirements, nutrient utilisation, sensitivity to toxins, and genetic diversity in bacteria, fungi and mammalian cells.
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Affiliation(s)
- Darren Greetham
- Bioenergy & Brewing Science, School of Biosciences, University of Nottingham, Leics, LE12 6RD, UK,
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Scientific Opinion on application (EFSA‐GMO‐NL‐2010‐87) for the placing on the market of genetically modified herbicide tolerant oilseed rape GT73 for food containing or consisting of, and food produced from or containing ingredients produced from, oilseed rape GT73 (with the exception of refined oil and food additives) under Regulation (EC) No 1829/2003 from Monsanto. EFSA J 2013. [DOI: 10.2903/j.efsa.2013.3079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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