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Lei Q, Zhong J, Chen SF, Wu S, Huang Y, Guo P, Mishra S, Bhatt K, Chen S. Microbial degradation as a powerful weapon in the removal of sulfonylurea herbicides. ENVIRONMENTAL RESEARCH 2023; 235:116570. [PMID: 37423356 DOI: 10.1016/j.envres.2023.116570] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/25/2023] [Accepted: 07/05/2023] [Indexed: 07/11/2023]
Abstract
Sulfonylurea herbicides have been widely used worldwide and play a significant role in modern agricultural production. However, these herbicides have adverse biological effects that can damage the ecosystems and harm human health. As such, rapid and effective techniques that remove sulfonylurea residues from the environment are urgently required. Attempts have been made to remove sulfonylurea residues from environment using various techniques such as incineration, adsorption, photolysis, ozonation, and microbial degradation. Among them, biodegradation is regarded as a practical and environmentally responsible way to eliminate pesticide residues. Microbial strains such as Talaromyces flavus LZM1, Methylopila sp. SD-1, Ochrobactrum sp. ZWS16, Staphylococcus cohnii ZWS13, Enterobacter ludwigii sp. CE-1, Phlebia sp. 606, and Bacillus subtilis LXL-7 can almost completely degrade sulfonylureas. The degradation mechanism of the strains is such that sulfonylureas can be catalyzed by bridge hydrolysis to produce sulfonamides and heterocyclic compounds, which deactivate sulfonylureas. The molecular mechanisms associated with microbial degradation of sulfonylureas are relatively poorly studied, with hydrolase, oxidase, dehydrogenase and esterase currently known to play a pivotal role in the catabolic pathways of sulfonylureas. Till date, there are no reports specifically on the microbial degrading species and biochemical mechanisms of sulfonylureas. Hence, in this article, the degradation strains, metabolic pathways, and biochemical mechanisms of sulfonylurea biodegradation, along with its toxic effects on aquatic and terrestrial animals, are discussed in depth in order to provide new ideas for remediation of soil and sediments polluted by sulfonylurea herbicides.
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Affiliation(s)
- Qiqi Lei
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Jianfeng Zhong
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Shao-Fang Chen
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Siyi Wu
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Yaohua Huang
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Peng Guo
- Zhongshan City Garden Management Center of Guangdong Province, Zhongshan, China
| | - Sandhya Mishra
- Environmental Technologies Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow, 226001, India
| | - Kalpana Bhatt
- Department of Food Science, Purdue University, West Lafayette, IN, USA.
| | - Shaohua Chen
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China.
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Anwar S, Wahla AQ, Ali T, Khaliq S, Imran A, Tawab A, Afzal M, Iqbal S. Biodegradation and Subsequent Toxicity Reduction of Co-contaminants Tribenuron Methyl and Metsulfuron Methyl by a Bacterial Consortium B2R. ACS OMEGA 2022; 7:19816-19827. [PMID: 35721981 PMCID: PMC9202245 DOI: 10.1021/acsomega.2c01583] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 05/11/2022] [Indexed: 06/15/2023]
Abstract
AllyMax is a widely used herbicide formulation in wheat-rice cropping areas of the world. The residues of its active ingredients, tribenuron methyl (TBM) and metsulfuron methyl (MET), persist in soil and water as co-contaminants, and cause serious threats to nontarget organisms. This study was performed to assess the potential of a bacterial consortium for the degradation and detoxification of TBM and MET individually and as co-contaminants. A bacterial consortium (B2R), comprising Bacillus cereus SU-1, Bacillus velezensis OS-2, and Rhodococcus rhodochrous AQ1, capable of degrading TBM and MET in liquid cultures was developed. Biodegradation of TBM and MET was optimized using the Taguchi design of experiment. Optimum degradation of both TBM and MET was obtained at pH 7 and 37 °C. Regarding media composition, optimum degradation of TBM and MET was obtained in minimal salt medium (MSM) supplemented with glucose, and MSM without glucose, respectively. The consortium simultaneously degraded TBM and MET (94.8 and 80.4%, respectively) in cultures containing the formulation AllyMax, where TBM and MET existed as co-contaminants at 2.5 mg/L each. Mass spectrometry analysis confirmed that during biodegradation, TBM and MET were metabolized into simpler compounds. Onion (Allium cepa) root inhibition and Comet assays revealed that the bacterial consortium B2R detoxified TBM and MET separately and as co-contaminants. The consortium B2R can potentially be used for the remediation of soil and water co-contaminated with TBM and MET.
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Affiliation(s)
- Samina Anwar
- Soil
& Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering College,
Pakistan Institute of Engineering and Applied Sciences (NIBGE-C, PIEAS), Faisalabad 38000, Pakistan
| | - Abdul Qadeer Wahla
- Soil
& Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering College,
Pakistan Institute of Engineering and Applied Sciences (NIBGE-C, PIEAS), Faisalabad 38000, Pakistan
| | - Tayyaba Ali
- Department
of Zoology, Government College University, Allama Iqbal Road, Faisalabad 38000, Pakistan
| | - Shazia Khaliq
- Industrial
Biotechnology Division, National Institute
for Biotechnology and Genetic Engineering College, Pakistan Institute
of Engineering and Applied Sciences (NIBGE-C, PIEAS), Faisalabad 38000, Pakistan
| | - Asma Imran
- Soil
& Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering College,
Pakistan Institute of Engineering and Applied Sciences (NIBGE-C, PIEAS), Faisalabad 38000, Pakistan
| | - Abdul Tawab
- Health
Biotechnology Division, National Institute
for Biotechnology and Genetic Engineering College, Pakistan Institute
of Engineering and Applied Sciences (NIBGE-C, PIEAS), Faisalabad 38000, Pakistan
| | - Muhammad Afzal
- Soil
& Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering College,
Pakistan Institute of Engineering and Applied Sciences (NIBGE-C, PIEAS), Faisalabad 38000, Pakistan
| | - Samina Iqbal
- Soil
& Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering College,
Pakistan Institute of Engineering and Applied Sciences (NIBGE-C, PIEAS), Faisalabad 38000, Pakistan
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3
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Yang TT, Zhang HW, Wang J, Li XY, Li X, Su ZC. High bioremediation potential of strain Chenggangzhangella methanolivorans CHL1 for soil polluted with metsulfuron-methyl or tribenuron-methyl in a pot experiment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:4731-4738. [PMID: 32951166 DOI: 10.1007/s11356-020-10825-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 09/13/2020] [Indexed: 06/11/2023]
Abstract
Soil contamination caused by long-term application of metsulfuron-methyl and tribenuron-methyl has become an issue of increasing concern. In our previous study, strain Chenggangzhangella methanolivorans CHL1, capable of efficiently degrading sulfonylurea herbicides, was isolated. Here, the bioremediation potential of strain CHL1 was assessed for soil polluted with metsulfuron-methyl or tribenuron-methyl in a pot experiment. The growth parameters of waxy maize were measured on day 21 of the pot experiment. Additionally, the residues of metsulfuron-methyl and tribenuron-methyl in soils were analyzed, and the soil microbial community was investigated using a phospholipid fatty acids (PLFAs) method on days 1, 7, 14, and 21. The results indicated that strain CHL1 greatly accelerated the degradation of metsulfuron-methyl and tribenuron-methyl in soils. The degradation rates in the treatments inoculated with strain CHL1were all more than 91% after 7 days, significantly higher than the 25-36% degradation measured in non-inoculated treatments. Furthermore, strain CHL1 reduced the negative effects of tribenuron-methyl and metsulfuron-methyl on waxy maize growth, especially the primary root length. Moreover, inoculation with strain CHL1 also reduced the effects of tribenuron-methyl and metsulfuron-methyl on soil microbial biomass, diversity, and community structure. The present study demonstrates that strain CHL1 has great potential application to remediate soil contaminated with metsulfuron-methyl or tribenuron-methyl.
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Affiliation(s)
- Ting-Ting Yang
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China
| | - Hui-Wen Zhang
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China
| | - Jian Wang
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China
- Shenyang Research Institute of Chemical Industry Co. Ltd., Shenyang, 110021, China
| | - Xin-Yu Li
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China.
| | - Xu Li
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China
| | - Zhen-Cheng Su
- Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China
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Qi Y, Li J, Guan X, Yan B, Fu G, He J, Du L, Zhao C, Zhang D. Effects of herbicides on non-target plant species diversity and the community composition of fallow fields in northern China. Sci Rep 2020; 10:9967. [PMID: 32561827 PMCID: PMC7305147 DOI: 10.1038/s41598-020-67025-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 05/29/2020] [Indexed: 11/30/2022] Open
Abstract
Despite the important ecological and agricultural production value of fallow field vegetation in agricultural landscapes, it is often affected by herbicide drift and runoff from neighboring sprayed fields. However, little is known about the impact of herbicides on the non-target plant community of fallow fields. In this study, the plant community of fallow fields was investigated following annual sublethal exposure to atrazine or tribenuron-methyl by a 3-year (2014–2016) randomized block field study. The two herbicides both changed the species composition, reduced the number of plant species and the relative frequencies of some plants, and significantly reduced the Margalef species richness index and Shannon’s diversity index of the plant community in the fallow field. The effects of the two herbicides on species number and community composition were not consistent. The effects of herbicide doses less than the recommended field application concentration (RFAC) on the plant community composition and community diversity of the fallow field were not lower than the effects of the RFAC of the herbicides. Indeed, doses less than the RFAC had an even greater impact on the community diversity than the RFAC of the herbicides. As the number of years of herbicide application increased, the effects of the herbicides on the plant community diversity did not increase compared to the effects of the blank control, and the herbicides did not change the functional composition of the plant communities in the fallow field. Our results suggest that the ecological risks of herbicides, even at low concentrations, on non-target wild plant communities in agricultural landscapes should not be neglected in the development of practical plant diversity conservation strategies.
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Affiliation(s)
- Yue Qi
- State Environment Protection Key Laboratory of Regional Eco-processand Function Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China. .,State Key Laboratory of Environmental Criteria and Risk Assessment, Beijing, 100012, China.
| | - Junsheng Li
- State Environment Protection Key Laboratory of Regional Eco-processand Function Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China. .,State Key Laboratory of Environmental Criteria and Risk Assessment, Beijing, 100012, China.
| | - Xiao Guan
- State Environment Protection Key Laboratory of Regional Eco-processand Function Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.,State Key Laboratory of Environmental Criteria and Risk Assessment, Beijing, 100012, China
| | - Bing Yan
- State Environment Protection Key Laboratory of Regional Eco-processand Function Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Gang Fu
- State Environment Protection Key Laboratory of Regional Eco-processand Function Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.,State Key Laboratory of Environmental Criteria and Risk Assessment, Beijing, 100012, China
| | - Jing He
- State Environment Protection Key Laboratory of Regional Eco-processand Function Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Leshan Du
- State Environment Protection Key Laboratory of Regional Eco-processand Function Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.,State Key Laboratory of Environmental Criteria and Risk Assessment, Beijing, 100012, China
| | - Caiyun Zhao
- State Environment Protection Key Laboratory of Regional Eco-processand Function Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.,State Key Laboratory of Environmental Criteria and Risk Assessment, Beijing, 100012, China
| | - Dun Zhang
- State Environment Protection Key Laboratory of Regional Eco-processand Function Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
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Qi Y, Li J, Fu G, Zhao C, Guan X, Yan B, Ren M. Effects of sublethal herbicides on offspring germination and seedling growth: Redroot pigweed (Amaranthus retroflexus) vs. velvetleaf (Abutilon theophrasti). THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 645:543-549. [PMID: 30029130 DOI: 10.1016/j.scitotenv.2018.07.171] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 07/13/2018] [Accepted: 07/13/2018] [Indexed: 05/24/2023]
Abstract
The effects of sublethal doses of herbicides on plants cannot be ignored, yet little is known about the effects of sublethal doses of herbicides on the F1 generation of plants. Seed germination and seedling growth of native and invasive plants following the sublethal exposure of parent plants to herbicides were comparatively analyzed in this study. Sublethal atrazine and tribenuron-methyl had carry-over effects on the germination and seedling growth of the F1 generation of invasive redroot pigweed (Amaranthus retroflexus L.) and native velvetleaf (Abutilon theophrasti Medicus), both of which had different responses to the carry-over effects of sublethal herbicide. The germination percentage of the F1 redroot pigweed (decreased) was greater than that of the F1 velvetleaf (increased or not significantly changed) following parental exposure to atrazine or tribenuron-methyl. Atrazine reduced the radical growth of 7-day-old velvetleaf seedlings and decreased the difference in seedling length between velvetleaf and redroot pigweed, while tribenuron-methyl had no significant effects on the growth of 7-day-old velvetleaf seedlings. The herbicide inhibition effect on the germination and growth of F1 velvetleaf and redroot pigweed did not increase as the sublethal dose increased. This study suggests that carry-over effects of sublethal herbicides weaken the growth advantage of the F1 velvetleaf at the seedling stage and may have a more negative influence on progeny population development of native velvetleaf compared with invasive redroot pigweed.
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Affiliation(s)
- Yue Qi
- Biodiversity Research Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Junsheng Li
- Biodiversity Research Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Gang Fu
- Biodiversity Research Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Caiyun Zhao
- Biodiversity Research Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Xiao Guan
- Biodiversity Research Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Bing Yan
- Biodiversity Research Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Mengyun Ren
- Biodiversity Research Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
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6
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Kinetics study of nicosulfuron degradation by a Pseudomonas nitroreducens strain NSA02. Biodegradation 2018; 29:271-283. [DOI: 10.1007/s10532-018-9828-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 03/31/2018] [Indexed: 10/17/2022]
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