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Das R, Bharadwaj P, Thakur D. Insights into the functional role of Actinomycetia in promoting plant growth and biocontrol in tea (Camellia sinensis) plants. Arch Microbiol 2024; 206:65. [PMID: 38227026 DOI: 10.1007/s00203-023-03789-1] [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: 11/02/2023] [Revised: 11/30/2023] [Accepted: 12/08/2023] [Indexed: 01/17/2024]
Abstract
Tea, a highly aromatic and globally consumed beverage, is derived from the aqueous infusion of dried leaves of Camellia sinensis (L.) O. Kuntze. Northeast India, encompassing an expansive geographical area between 24° and 27° N latitude and 88° and 95° E longitude, is a significant tea-producing region covering approximately 312,210 hectares. Despite its prominence, this region faces persistent challenges owing to a conducive climate that harbors the prevalence of pests, fungal pathogens, and weeds, necessitating agrochemicals. Helopeltis theivora, Oligonychus coffeae, and Biston suppressaria are prominent among the tea pests in this region. Concurrently, tea plants encounter fungal infections such as blister blight, brown root rot, and Fusarium dieback. The growing demand for safer tea production and the need to reduce pesticide and fertilizer usage has spurred interest in exploring biological control methods. This review focuses on Actinomycetia, which potentially safeguards plants from diseases and pest infestations by producing many bioactive substances. Actinomycetia, which resides in the tea rhizosphere and internal plant tissues, can produce antagonistic secondary metabolites and extracellular enzymes while promoting plant growth. Harnessing the biocontrol potential of Actinomycetia offers a promising solution to enhance tea production, while minimizing reliance on harmful agrochemicals, contributing to a more environmentally conscious and economically viable tea cultivation system.
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Affiliation(s)
- Rictika Das
- Microbial Biotechnology Laboratory, Life Sciences Division, Institute of Advanced Study in Science and Technology, Guwahati, Assam, 781035, India
- Department of Molecular Biology and Biotechnology, Cotton University, Guwahati, Assam, 781001, India
| | - Pranami Bharadwaj
- Microbial Biotechnology Laboratory, Life Sciences Division, Institute of Advanced Study in Science and Technology, Guwahati, Assam, 781035, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Debajit Thakur
- Microbial Biotechnology Laboratory, Life Sciences Division, Institute of Advanced Study in Science and Technology, Guwahati, Assam, 781035, India.
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2
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Chen WJ, Zhang W, Lei Q, Chen SF, Huang Y, Bhatt K, Liao L, Zhou X. Pseudomonas aeruginosa based concurrent degradation of beta-cypermethrin and metabolite 3-phenoxybenzaldehyde, and its bioremediation efficacy in contaminated soils. ENVIRONMENTAL RESEARCH 2023; 236:116619. [PMID: 37482127 DOI: 10.1016/j.envres.2023.116619] [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: 05/15/2023] [Revised: 07/01/2023] [Accepted: 07/10/2023] [Indexed: 07/25/2023]
Abstract
Beta-cypermethrin is one of the widely used pyrethroid insecticides, and problems associated with the accumulation of its residues have aroused public attention. Thus, there is an urgent need to effectively remove the beta-cypermethrin that is present in the environment. Biodegradation is considered a cost-effective and environmentally friendly method for removing pesticide residues. However, the beta-cypermethrin-degrading microbes that are currently available are not optimal. In this study, Pseudomonas aeruginosa PAO1 was capable of efficiently degrading beta-cypermethrin and its major metabolite 3-phenoxybenzaldehyde in water/soil environments. Strain PAO1 could remove 91.4% of beta-cypermethrin (50 mg/L) in mineral salt medium within 120 h. At the same time, it also possesses a significant ability to metabolize 3-phenoxybenzaldehyde-a toxic intermediate of beta-cypermethrin. The Andrews equation showed that the maximum substrate utilization concentrations of beta-cypermethrin and 3-phenoxybenzaldehyde by PAO1 were 65.3558 and 49.6808 mg/L, respectively. Box-Behnken design-based response surface methodology revealed optimum conditions for the PAO1 strain-based degradation of beta-cypermethrin as temperature 30.6 °C, pH 7.7, and 0.2 g/L inoculum size. The results of soil remediation experiments showed that indigenous micro-organisms helped to promote the biodegradation of beta-cypermethrin in soil, and beta-cypermethrin half-life in non-sterilized soil was 6.84 days. The bacterium transformed beta-cypermethrin to produce five possible metabolites, including 3-phenoxybenzyl alcohol, methyl 2-(4-hydroxyphenoxy)benzoate, diisobutyl phthalate, 3,5-dimethoxyphenol, and 2,2-dimethyl-1-(4-phenoxyphenyl)propanone. Among them, methyl 2-(4-hydroxyphenoxy)benzoate and 3,5-dimethoxyphenol were first identified as the intermediate products during the beta-cypermethrin degradation. In addition, we propose a degradation pathway for beta-cypermethrin that is metabolized by strain PAO1. Beta-cypermethrin could be biotransformed firstly by hydrolysis of its carboxylester linkage, followed by cleavage of the diaryl bond and subsequent metabolism. Based on the above results, P. aeruginosa PAO1 could be a potent candidate for the beta-cypermethrin-contaminated environmental bioremediation.
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Affiliation(s)
- Wen-Juan Chen
- Guangdong Laboratory for Lingnan Modern Agriculture, Integrative Microbiology Research Centre, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Wenping Zhang
- Guangdong Laboratory for Lingnan Modern Agriculture, Integrative Microbiology Research Centre, 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
| | - Qiqi Lei
- Guangdong Laboratory for Lingnan Modern Agriculture, Integrative Microbiology Research Centre, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Shao-Fang Chen
- Guangdong Laboratory for Lingnan Modern Agriculture, Integrative Microbiology Research Centre, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Yaohua Huang
- Guangdong Laboratory for Lingnan Modern Agriculture, Integrative Microbiology Research Centre, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Kalpana Bhatt
- Department of Food Science, Purdue University, West Lafayette, IN, USA
| | - Lisheng Liao
- Guangdong Laboratory for Lingnan Modern Agriculture, Integrative Microbiology Research Centre, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China.
| | - Xiaofan Zhou
- Guangdong Laboratory for Lingnan Modern Agriculture, Integrative Microbiology Research Centre, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China.
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Zhou X, Tang J, Wang S, Zhang Y, Ye H, Zhang Q, Xiang W, Cai T, Zeng C. Whole genome sequencing and transcriptomics-based characterization of a novel β-cypermethrin-degrading Gordonia alkanivorans GH-1 isolated from fermented foods. CHEMOSPHERE 2023; 320:138017. [PMID: 36736480 DOI: 10.1016/j.chemosphere.2023.138017] [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: 12/07/2022] [Revised: 01/28/2023] [Accepted: 01/28/2023] [Indexed: 06/18/2023]
Abstract
Beta-cypermethrin (β-CY) is an organic compound that is widely used as a synthetic pesticide in agriculture and family. Excessive accumulation of β-CY inevitably causes environmental pollution, which has led to food safety and human health concerns. Identification of microorganisms from food sources that are capable of β-CY biodegradation may help prevent pollution due to β-CY accumulation. Here, Gordonia alkanivorans GH-1, which was isolated from the traditional Sichuan fermented food, Pixian Doubanjiang, could not only degrade 82.76% of 50 mg/L β-CY at 96 h, but also degraded the intermediate degradation products including dibutyl phthalate (DBP), benzoic acid (BA) and phenol (Ph). This bacterial strain, thus, effectively improved the efficiency of removal of β-CY and its related metabolites, without being limited by toxic intermediates. Whole genome sequencing and transcriptomics analyses have demonstrated that the bacteria affected the transcription of genes related to cell response and material transport under the stress induced by β-CY, and thereby promoted degradation and transformation of β-CY. Moreover, a complete pathway of β-CY degradation is proposed based on the key genes involved in degradation. This study provides important theoretical significance and reference value for eliminating pesticide residues in agricultural products and food to ensure food safety.
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Affiliation(s)
- Xuerui Zhou
- Food Microbiology Key Laboratory of Sichuan Province, School of Food Science and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Jie Tang
- Food Microbiology Key Laboratory of Sichuan Province, School of Food Science and Bioengineering, Xihua University, Chengdu, 610039, China.
| | - Su Wang
- Food Microbiology Key Laboratory of Sichuan Province, School of Food Science and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Yingyue Zhang
- Food Microbiology Key Laboratory of Sichuan Province, School of Food Science and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Hong Ye
- Food Microbiology Key Laboratory of Sichuan Province, School of Food Science and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Qing Zhang
- Food Microbiology Key Laboratory of Sichuan Province, School of Food Science and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Wenliang Xiang
- Food Microbiology Key Laboratory of Sichuan Province, School of Food Science and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Ting Cai
- Food Microbiology Key Laboratory of Sichuan Province, School of Food Science and Bioengineering, Xihua University, Chengdu, 610039, China
| | - Chaoyi Zeng
- Food Microbiology Key Laboratory of Sichuan Province, School of Food Science and Bioengineering, Xihua University, Chengdu, 610039, China
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He J, Zhang K, Wang L, Du Y, Yang Y, Yuan C. Highly efficient degradation of cypermethrin by a co-culture of Rhodococcus sp. JQ-L and Comamonas sp. A-3. Front Microbiol 2022; 13:1003820. [PMID: 36188009 PMCID: PMC9522905 DOI: 10.3389/fmicb.2022.1003820] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 08/19/2022] [Indexed: 11/13/2022] Open
Abstract
Cypermethrin is an important synthetic pyrethroid pesticide that widely used to control pests in agriculture. However, extensive use has caused its residue and the metabolite 3-phenoxybenzoic acid (3-PBA) to seriously pollute the environments and agricultural products. In this study, a highly efficient cypermethrin-degrading bacterial consortium was acclimated from long-term pyrethroid-contaminated soil. Two strains, designated JQ-L and A-3, were screened from the consortium, and identified as Rhodococcus sp. and Comamonas sp., respectively. Strain JQ-L transformed 100 mg/L of cypermethrin to 3-PBA within 60 h of incubation; however, 3-PBA could not be further degraded by the strain. Strain A-3 utilized 3-PBA as sole carbon for growth, and completely degraded 100 mg/L of 3-PBA within 15 h of incubation. Co-culture of JQ-L and A-3 completely degraded 100 mg/L of cypermethrin within 24 h of incubation. Furthermore, a complete catabolic pathway of cypermethrin and the metabolite 3-PBA by the co-culture was proposed. This study provided a promising strategy for efficient elimination of cypermethrin residue-contaminated environments and agricultural products.
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Affiliation(s)
- Jian He
- College of Rural Revitalization, Jiangsu Open University, Nanjing, China
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing, China
| | - Kaiyun Zhang
- Key Laboratory of Agricultural Environmental Microbiology, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Nanjing, China
| | - Lin Wang
- College of Rural Revitalization, Jiangsu Open University, Nanjing, China
| | - Yingchun Du
- College of Rural Revitalization, Jiangsu Open University, Nanjing, China
| | - Ying Yang
- College of Rural Revitalization, Jiangsu Open University, Nanjing, China
| | - Cansheng Yuan
- College of Rural Revitalization, Jiangsu Open University, Nanjing, China
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Zhou X, Lei D, Tang J, Wu M, Ye H, Zhang Q. Whole genome sequencing and analysis of fenvalerate degrading bacteria Citrobacter freundii CD-9. AMB Express 2022; 12:51. [PMID: 35523901 PMCID: PMC9076782 DOI: 10.1186/s13568-022-01392-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 04/25/2022] [Indexed: 11/10/2022] Open
Abstract
Citrobacter freundii CD-9 is a Gram-negative bacteria sourced from factory sludge that can use fenvalerate as its sole carbon source and has a broad degradation spectrum for pyrethroid pesticides. The whole genome of CD-9 sequenced using Illumina HiSeq PE150 was reported in this study. The CD-9 genome size was 5.33 Mb and the G + C content was 51.55%. A total of 5291 coding genes, 9 5s-rRNA, and 79 tRNA were predicted bioinformatically. 3586 genes annotated to the Kyoto Encyclopedia of Genes and Genomes (KEGG) database that can be involved in 173 metabolic pathways, including various microbial metabolic pathways that degrade exogenous chemicals, especially those that degrade aromatic compounds, and also produce a variety of bioactive substances. Fifty genes related to pyrethroid degradation were identified in the C. freundii CD-9 genome, including 9 dioxygenase, 25 hydrolase, and 16 esterase genes. Notably, RT-qPCR results showed that from the predicted 13 genes related to fenvalerate degradation, the expression of six genes, including esterase, HAD family hydrolase, lipolytic enzyme, and gentisic acid dioxygenase, was induced in the presence of fenvalerate. In this study, the key genes and degradation mechanism of C. freundii CD-9 were analyzed and the results provide scientific evidence to support its application in environmental bioremediation. It can establish application models for different environmental pollution management by constructing genetically engineered bacteria for efficient fenvalerate or developing enzyme formulations that can be industrially produced.
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Pang S, Lin Z, Li J, Zhang Y, Mishra S, Bhatt P, Chen S. Microbial Degradation of Aldrin and Dieldrin: Mechanisms and Biochemical Pathways. Front Microbiol 2022; 13:713375. [PMID: 35422769 PMCID: PMC9002305 DOI: 10.3389/fmicb.2022.713375] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 02/24/2022] [Indexed: 11/25/2022] Open
Abstract
As members of the organochlorine group of insecticides, aldrin and dieldrin are effective at protecting agriculture from insect pests. However, because of excessive use and a long half-life, they have contributed to the major pollution of the water/soil environments. Aldrin and dieldrin have been reported to be highly toxic to humans and other non-target organisms, and so their use has gradually been banned worldwide. Various methods have been tried to remove them from the environment, including xenon lamps, combustion, ion conversion, and microbial degradation. Microbial degradation is considered the most promising treatment method because of its advantages of economy, environmental protection, and convenience. To date, a few aldrin/dieldrin-degrading microorganisms have been isolated and identified, including Pseudomonas fluorescens, Trichoderma viride, Pleurotus ostreatus, Mucor racemosus, Burkholderia sp., Cupriavidus sp., Pseudonocardia sp., and a community of anaerobic microorganisms. Many aldrin/dieldrin resistance genes have been identified from insects and microorganisms, such as Rdl, bph, HCo-LGC-38, S2-RDLA302S, CSRDL1A, CSRDL2S, HaRdl-1, and HaRdl-2. Aldrin degradation includes three pathways: the oxidation pathway, the reduction pathway, and the hydroxylation pathway, with dieldrin as a major metabolite. Degradation of dieldrin includes four pathways: oxidation, reduction, hydroxylation, and hydrolysis, with 9-hydroxydieldrin and dihydroxydieldrin as major products. Many studies have investigated the toxicity and degradation of aldrin/dieldrin. However, few reviews have focused on the microbial degradation and biochemical mechanisms of aldrin/dieldrin. In this review paper, the microbial degradation and degradation mechanisms of aldrin/dieldrin are summarized in order to provide a theoretical and practical basis for the bioremediation of aldrin/dieldrin-polluted environment.
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Affiliation(s)
- Shimei Pang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural and Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China.,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Ziqiu Lin
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural and Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China.,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Jiayi Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural and Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China.,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Yuming Zhang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural and Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China.,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Sandhya Mishra
- Environmental Technologies Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow, India
| | - Pankaj Bhatt
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural and Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China.,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
| | - Shaohua Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangdong Provincial Key Laboratory of Agricultural and Rural Pollution Abatement and Environmental Safety, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou, China.,Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, China
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Farda B, Djebaili R, Vaccarelli I, Del Gallo M, Pellegrini M. Actinomycetes from Caves: An Overview of Their Diversity, Biotechnological Properties, and Insights for Their Use in Soil Environments. Microorganisms 2022; 10:453. [PMID: 35208907 PMCID: PMC8875103 DOI: 10.3390/microorganisms10020453] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 02/11/2022] [Accepted: 02/14/2022] [Indexed: 12/21/2022] Open
Abstract
The environmental conditions of caves shape microbiota. Within caves' microbial communities, actinomycetes are among the most abundant bacteria. Cave actinomycetes have gained increasing attention during the last decades due to novel bioactive compounds with antibacterial, antioxidant and anticancer activities. However, their potential role in soil environments is still unknown. This review summarises the literature dealing with actinomycetes from caves, underlining for the first time their potential roles in soil environments. We provide an overview of their diversity and biotechnological properties, underling their potential role in soil environments applications. The contribution of caves' actinomycetes in soil fertility and bioremediation and crops biostimulation and biocontrol are discussed. The survey on the literature show that several actinomycetes genera are present in cave ecosystems, mainly Streptomyces, Micromonospora, and Nocardiopsis. Among caves' actinomycetes, Streptomyces is the most studied genus due to its ubiquity, survival capabilities, and metabolic versatility. Despite actinomycetes' outstanding capabilities and versatility, we still have inadequate information regarding cave actinomycetes distribution, population dynamics, biogeochemical processes, and metabolisms. Research on cave actinomycetes needs to be encouraged, especially concerning environmental soil applications to improve soil fertility and health and to antagonise phytopathogens.
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Affiliation(s)
| | - Rihab Djebaili
- Department of Life, Health and Environmental Sciences, University of L’Aquila, Via Vetoio, Coppito, 67100 L’Aquila, Italy; (B.F.); (I.V.); (M.D.G.)
| | | | | | - Marika Pellegrini
- Department of Life, Health and Environmental Sciences, University of L’Aquila, Via Vetoio, Coppito, 67100 L’Aquila, Italy; (B.F.); (I.V.); (M.D.G.)
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Analysis of Biodegradation of the Synthetic Pyrethroid Cypermethrin by Beauveria bassiana. Curr Microbiol 2022; 79:46. [PMID: 34982241 DOI: 10.1007/s00284-021-02744-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 12/07/2021] [Indexed: 11/03/2022]
Abstract
Entomopathogenic fungi like Beauveria bassiana play a crucial role in natural control of arthropod pests which are being used in Integrated Pest Management programs. Assessing the compatibility of biological and chemical counterparts used in IPM programs is essential to achieve successful results in pest management. Behavior of four isolates of B. bassiana (ITCC 913, ARSEF 2860, ARSEF 1166, and ARSEF 3041) was tested in the presence of the pyrethroid insecticide cypermethrin. Spore germination and growth bioassays were conducted to assess the impact of cypermethrin on germination and growth. Though growth was not totally inhibited, there was retardation in the germination of spores and growth of the mycelium. Under this condition, ITCC 913 showed highest tolerance toward cypermethrin. Further analysis of the culture crude extracts by GC-MS revealed degradation of the insecticide by B. bassiana and putative intermediates of the degradation pathway were identified. This study reveals the potential of the entomopathogen B. bassiana in degradation of the pyrethroid insecticide cypermethrin. In conclusion, this potentiality of the studied fungus may help in the IPM strategies and find its role in degradation of such chemical pesticide compounds for utilization as a biodegradation agent further.
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Mawang CI, Azman AS, Fuad ASM, Ahamad M. Actinobacteria: An eco-friendly and promising technology for the bioaugmentation of contaminants. BIOTECHNOLOGY REPORTS (AMSTERDAM, NETHERLANDS) 2021; 32:e00679. [PMID: 34660214 PMCID: PMC8503819 DOI: 10.1016/j.btre.2021.e00679] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 08/05/2021] [Accepted: 09/20/2021] [Indexed: 11/17/2022]
Abstract
Over the past two decades, various eco-friendly approaches utilizing microbial species to clean up contaminated environments have surfaced. In this aspect, actinobacteria have demonstrated their potential in contaminant degradation. The members of actinobacteria phylum exhibits a cosmopolitan distribution, which means that they can be found widely in both aquatic and terrestrial ecosystems. Actinobacteria play important ecological roles in the environment, such as degrading complex polymers, recycling compounds, and producing bioactive molecules. Hence, using actinobacteria to clean up contaminants is an attractive method in the field of biotechnology. This can be achieved through the green technology of bioaugmentation, whereby the degradative capacity of contaminated areas can be greatly improved through the introduction of specific microorganisms. This review describes actinobacteria as an eco-friendly and a promising technology for the bioaugmentation of contaminants, with focus on pesticides and heavy metals.
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Affiliation(s)
- Christina-Injan Mawang
- Acarology Unit, Infectious Disease Research Centre, Institute for Medical Research, Ministry of Health Malaysia, National Institutes of Health Complex, Setia Alam, Shah Alam, Selangor, 40170, Malaysia
| | - Adzzie-Shazleen Azman
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Selangor, 47500, Malaysia
| | - Aalina-Sakiinah Mohd Fuad
- Department of Biomedical Science, Kulliyyah of Allied Health Sciences, International Islamic University Malaysia Kuantan Campus, Jalan Sultan Ahmad Shah, Bandar Indera Mahkota, Kuantan, Pahang 25200, Malaysia
| | - Mariana Ahamad
- Acarology Unit, Infectious Disease Research Centre, Institute for Medical Research, Ministry of Health Malaysia, National Institutes of Health Complex, Setia Alam, Shah Alam, Selangor, 40170, Malaysia
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Efficacy of quaternary ammonium groups based polyelectrolytes for the reduction of various pesticide formulations content from synthetic wastewater. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Wageed M, El-Sherbiny GM, Sharaf MH, Moghannem SA, Hamzawy AH. Enhanced removal of fifteen pesticide mixture by a single bacterial strain using response surface methodology and its application in raw milk. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2021; 19:1277-1286. [PMID: 34900265 PMCID: PMC8617149 DOI: 10.1007/s40201-021-00683-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 05/20/2021] [Indexed: 06/14/2023]
Abstract
PURPOSE Environmental contamination with various pesticides accompanied by uncontrolled use contributes to severe ecological and health problems. Although extensive research was conducted on pesticides degradation, very few reports have demonstrated the degradation of mixed pesticides. Consequently, this study aimed to evaluate the removal efficacy of highly potent bacterial isolate for pesticide mixture under optimal culture conditions, followed by their application in milk. METHODS Isolation and selection of bacterial isolates were performed from 40 milk samples by enrichment culture technique and were screened to obtain highly potent bacterial strain identified by 16 S rDNA analysis. The statistics-based experimental designs were applied to optimize the culture conditions towards the best degradation of pesticides mixture, followed by subsequent utilization in milk. The degradation ratio of pesticides was analyzed using gas chromatography-mass spectrometry. RESULTS In this study, a bacterial strain S6A identified as Bacillus subtilis-mw1 efficiently eliminated environmental contaminants from different groups of pesticide residues. The statistical optimization showcased optimum settings that accomplished the highest pesticide mixture degradation (61.59 %). The application experiment manifested that degradation of pesticide mixtures of sterile milk (STM) was relatively faster than non-sterile milk (NSTM). CONCLUSIONS The obtained results assist in eliminating environmental contamination with various groups of pesticide residues. Furthermore, it can be employed in reducing pesticide residues that cause milk contamination to increase safety and quality.Graphical abstract. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s40201-021-00683-0.
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Affiliation(s)
- Mohamed Wageed
- Agricultural Research Center, Central Laboratory of residue Analysis of Pesticides and Heavy Metals in Foods (QCAP Egypt), Ministry of Agriculture and Land Reclamation, Giza, Cairo Egypt
| | - Gamal M. El-Sherbiny
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, 11884 Egypt
| | - Mohammed H. Sharaf
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, 11884 Egypt
| | - Saad A. Moghannem
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, 11884 Egypt
| | - Ahmed H. Hamzawy
- Agricultural Research Center, Central Laboratory of residue Analysis of Pesticides and Heavy Metals in Foods (QCAP Egypt), Ministry of Agriculture and Land Reclamation, Giza, Cairo Egypt
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12
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Removal efficiency of marine filamentous Cyanobacteria for Pyrethroids and their effects on the biochemical parameters and growth. ALGAL RES 2021. [DOI: 10.1016/j.algal.2021.102546] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Wu X, Zhang C, An H, Li M, Pan X, Dong F, Zheng Y. Biological removal of deltamethrin in contaminated water, soils and vegetables by Stenotrophomonas maltophilia XQ08. CHEMOSPHERE 2021; 279:130622. [PMID: 34134418 DOI: 10.1016/j.chemosphere.2021.130622] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 03/19/2021] [Accepted: 04/17/2021] [Indexed: 06/12/2023]
Abstract
The consideration of ecological and human health risk is an emerging concern with the excessive or inappropriate use of deltamethrin. In this study, the degradation conditions of the newly deltamethrin-degrading strain Stenotrophomonas maltophilia XQ08 were optimized, which were temperature 35 °C, pH 7.5, cell concentration 5.5 × 108 cfu/mL, and substrate concentration 50 mg/L. Strain XQ08 could effectively degrade deltamethrin into three smaller molecular weight and lower toxic compounds. Enriched strain XQ08 was immobilized in a charcoal-alginate matrix and possessed more prominent biodegradability, reusability, storability and thermostability than free XQ08. In a continuous reactor system, immobilized XQ08 could averagely remove 78.81% of deltamethrin at the gradient influent dosages of 50, 75 and 100 mg/L within 30 d. Immobilized XQ08 introduced into the filed brown and yellow soils exhibited a superior degradation potential for deltamethrin with the half-lives of 1.77 and 2.04 d, which were 2.39 and 2.14 folds, or 6.09 and 5.47 folds faster than free XQ08 degradation (4.23 and 4.37 d) or natural dissipation (10.78 and 11.16 d), respectively. Moreover, application of free XQ08 decreased the persistence of deltamethrin in Brassica pekinensis and Brassica chinensis from 5.47 and 6.23 to 2.05 and 2.32 d, or by 62.52% and 62.76%, respectively. This study provides a feasible, effective and rapid biological removal technology for deltamethrin-contaminated environments in situ.
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Affiliation(s)
- Xiaomao Wu
- Department of Plant Protection, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, 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
| | - Cheng Zhang
- Department of Plant Protection, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, China; Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, College of Agricultural Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
| | - Huaming An
- Department of Plant Protection, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, China.
| | - Ming Li
- Department of Plant Protection, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, 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
| | - 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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14
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Zhao T, Hu K, Li J, Zhu Y, Liu A, Yao K, Liu S. Current insights into the microbial degradation for pyrethroids: strain safety, biochemical pathway, and genetic engineering. CHEMOSPHERE 2021; 279:130542. [PMID: 33866100 DOI: 10.1016/j.chemosphere.2021.130542] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 03/09/2021] [Accepted: 04/03/2021] [Indexed: 06/12/2023]
Abstract
As a biologically inspired insecticide, pyrethroids (PYRs) exert evident toxic side effects on non-target organisms. PYRs and their general toxic intermediate 3-phenoxybenzoic acid (3-PBA) have shown high detection rates/levels in human beings recently, for which diet was identified as the major exposure route. Microbial mineralization has emerged as a versatile strategy in addressing such escalating concern. Herein, PYRs and 3-PBA biodegradation with regards to strain safety, application and surfactant were summarized. Numerous PYRs-degrading microbes have been reported yet with a minority focused on 3-PBA. Most isolates were from contaminated sites while several microbial food cultures (MFCs) have been investigated. MFCs such as Bacillus spp. and Aspergillus spp. that dominate in PYRs-degrading microbial pools are applicable candidates for agricultural by-products detoxification during the postharvest process. Subsequently, we discussed committed degradation steps, wherein hydrolase responsible for PYRs ester linkage cleavage and oxygenase for 3-PBA diphenyl ether bond rupture play vital roles. Finally, comprehensive information of the key enzyme genes is outlined along with methodologies concerning gene cloning. Cytochrome P450 monooxygenases (CYP) is competent for diphenyl ether scission. Newly-developed omics has become a feasible gene and enzyme mining technology. To achieve PYRs mineralization in feed and food commodities, the screening of MFCs rich in related enzymes and the construction of MFCs-derived genetically modified microbes (GMMs) exhibit great potential considering the safety issues.
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Affiliation(s)
- Tianye Zhao
- College of Food Science, Sichuan Agricultural University, Ya'an, 625014, China
| | - Kaidi Hu
- College of Food Science, Sichuan Agricultural University, Ya'an, 625014, China
| | - Jianlong Li
- College of Food Science, Sichuan Agricultural University, Ya'an, 625014, China
| | - Yuanting Zhu
- College of Food Science, Sichuan Agricultural University, Ya'an, 625014, China
| | - Aiping Liu
- College of Food Science, Sichuan Agricultural University, Ya'an, 625014, China
| | - Kai Yao
- College of Biomass Science and Engineering, Sichuan University, Chengdu, 610065, China.
| | - Shuliang Liu
- College of Food Science, Sichuan Agricultural University, Ya'an, 625014, China.
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15
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Bhatt P, Zhou X, Huang Y, Zhang W, Chen S. Characterization of the role of esterases in the biodegradation of organophosphate, carbamate, and pyrethroid pesticides. JOURNAL OF HAZARDOUS MATERIALS 2021; 411:125026. [PMID: 33461010 DOI: 10.1016/j.jhazmat.2020.125026] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 12/08/2020] [Accepted: 12/30/2020] [Indexed: 06/12/2023]
Abstract
Ester-containing organophosphate, carbamate, and pyrethroid (OCP) pesticides are used worldwide to minimize the impact of pests and increase agricultural production. The toxicity of these chemicals to humans and other organisms has been widely reported. Chemically, these pesticides share an ester bond in their parent structures. A particular group of hydrolases, known as esterases, can catalyze the first step in ester-bond hydrolysis, and this initial regulatory metabolic reaction accelerates the degradation of OCP pesticides. Esterases can be naturally found in plants, animals, and microorganisms. Previous research on the esterase enzyme mechanisms revealed that the active sites of esterases contain serine residues that catalyze reactions via a nucleophilic attack on the substrates. In this review, we have compiled the previous research on esterases from different sources to determine and summarize the current knowledge of their properties, classifications, structures, mechanisms, and their applications in the removal of pesticides from the environment. This review will enhance the understanding of the scientific community when studying esterases and their applications for the degradation of broad-spectrum ester-containing pesticides.
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Affiliation(s)
- Pankaj Bhatt
- 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
| | - Xiaofan Zhou
- 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
| | - 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
| | - 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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16
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Danek M, Plonka J, Barchanska H. Metabolic profiles and non-targeted LC-MS/MS approach as a complementary tool to targeted analysis in assessment of plant exposure to pesticides. Food Chem 2021; 356:129680. [PMID: 33819787 DOI: 10.1016/j.foodchem.2021.129680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 03/02/2021] [Accepted: 03/19/2021] [Indexed: 10/21/2022]
Abstract
Liquid chromatography coupled with tandem mass spectrometry was employed for the detection of pesticides (thiamethoxam, lambda-cyhalothrin, deltamethrin, and metalaxyl) and their metabolites in Raphanus sativus var. longipinnatus exposed to these compounds under experimental conditions. Metalaxyl (0.008 mg/kg), metalaxyl acid (0.009 mg/kg), and (+)-trans-chrysanthemic acid (0.098 mg/kg) were identified in the plants exposed to the individual pesticides and their metabolites. Non-targeted analysis revealed the presence of thiamethoxam, lambda-cyhalothrin, and deltamethrin metabolites in plants exposed to these substances, despite the fact that the pesticide concentrations were below the analytical method's limit of quantification (0.005-0.006 mg/kg). Based on the non-targeted screening, non-specific (leucine and tyramine) and specific (epinephrine, dopamine, tryptamine, and serotonin) markers of plant exposure to the mentioned stress-inducing compounds were detected. These findings prove that non-targeted analysis is an indispensable tool for determining plants' exposure to pesticides, even when the parent compound has been completely metabolized.
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Affiliation(s)
- Magdalena Danek
- Department of Inorganic Chemistry, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology, B. Krzywoustego 6 St., 44-100 Gliwice, Poland.
| | - Joanna Plonka
- Department of Inorganic Chemistry, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology, B. Krzywoustego 6 St., 44-100 Gliwice, Poland
| | - Hanna Barchanska
- Department of Inorganic Chemistry, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology, B. Krzywoustego 6 St., 44-100 Gliwice, Poland
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17
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Guvenc D, Inal S, Kuruca N, Gokmen S, Guvenc T. Synthetic pyrethroids common metabolite 3-phenoxybenzoic acid induces caspase-3 and Bcl-2 mediated apoptosis in human hepatocyte cells. Drug Chem Toxicol 2021; 45:1971-1977. [PMID: 33706615 DOI: 10.1080/01480545.2021.1894720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Synthetic pyrethroids are a group of insecticides frequently used in public health and agriculture, and 3-PBA is a common metabolite of them. Although the liver is the primary organ responsible for metabolizing many compounds including pesticides, to the authors' knowledge there have been no studies on the direct hepatotoxic effects of 3-PBA. Therefore, this study aimed to investigate the possible hepatotoxic effects of 3-PBA on a Human Hepatoma Cell Line (HepG2) and the underlying apoptotic mechanisms. Firstly, an LC50 of 1041.242 µM was calculated for 3-PBA by using the WST-1 test with concentrations ranging between 1 µM and 10 mM. Following that, the HepG2 cells in the experimental group were exposed to 3 different concentrations of 3-PBA (1/5 LC50, 1/10 LC50 and 1/20 LC50) for 24 hours. The apoptotic mechanism was evaluated by using flow cytometry, and immunofluorescence assays for Caspase 3 and Bcl-2. In the flow cytometry assay, the total number of apoptotic cells increased in a dose dependent manner (p < 0.05). In the immunofluorescence assay, the Caspase 3 protein showed strong immunoreactivity in the experimental groups, while the reaction to the Bcl-2 protein was minimal. These results demonstrated that 3-PBA has a significant hepatotoxic effect on HepG2 cells and induces apoptosis via the regulation of Caspase-3 and Bcl-2. Furthermore, our results could further the understanding of the fundamental molecular mechanisms of 3-PBA hepatotoxicity. More studies are needed to determine the effects of long-term exposure to 3-PBA and also the molecular mechanisms underlying hepatotoxicity.
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Affiliation(s)
- Dilek Guvenc
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Ondokuz Mayis, Samsun, Turkey
| | - Sinem Inal
- Department of Pathology, Faculty of Veterinary Medicine, University of Ondokuz Mayis, Samsun, Turkey
| | - Nilufer Kuruca
- Department of Pathology, Faculty of Veterinary Medicine, University of Ondokuz Mayis, Samsun, Turkey
| | - Sedat Gokmen
- Department of Laborant and Veterinary Health, Suluova Vocational School, Amasya University, Amasya, Turkey
| | - Tolga Guvenc
- Department of Pathology, Faculty of Veterinary Medicine, University of Ondokuz Mayis, Samsun, Turkey
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18
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Zhang M, Lai W, Zhu Y, Chen S, Zhou K, Ao X, He L, Yang Y, Zou L, Liu A, Yao K, Liu S. Purification and characterization of a novel cypermethrin-hydrolyzing esterase from Bacillus licheniformis B-1. J Food Sci 2021; 86:1475-1487. [PMID: 33655547 DOI: 10.1111/1750-3841.15662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 11/16/2020] [Accepted: 02/02/2021] [Indexed: 11/30/2022]
Abstract
Cypermethrin (CY) is a synthetic pyrethroid widely used to control insect pests and it elicits a toxic effect on the human body. In this study, Bacillus licheniformis B-1 isolated from tea garden soil was used to degrade CY effectively. A specific enzyme was mainly localized in the extracellular compartments of B-1. This enzyme was identified as an esterase that could be produced without CY. The enzyme was purified 23.03-fold to apparent homogeneity with 8.38% overall recovery by ammonium sulfate precipitation, anion exchange chromatography, and gel filtration chromatography. The molecular mass of the CY-degrading enzyme was 66.4 kDa, and its optimal pH and temperature were 8.5 and 40 °C, respectively. Appropriate Zn2+ , Mn2+ , Mg2+ , Tween 80, SDS, Triton X-100, and BSA concentrations could greatly increase the activity of this enzyme. By contrast, EDTA, 1,10-phenanthroline, NaF, and PMSF strongly inhibited its activity. The purified enzyme showed Km and Vmax values were 5.532 nmol/mL and 33.445 nmol/min. The CY residue in lettuce and cherry tomatoes could be removed more than 50% under the conditions of the treatment concentration for 500 mg/L and the enzyme preparation dilution of 100 times. These results suggested that the CY-degrading enzyme, a constitutive enzyme that mainly exists in the extracellular space, was a novel esterase that might be used to detoxify CY, and could remove CY in vegetables effectively. PRACTICAL APPLICATION: Our research found a novel cypermethrin-hydrolyzing esterase from Bacillus licheniformis B-1 and proved that the enzyme could remove cypermethrin in vegetables effectively.
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Affiliation(s)
- Mengmei Zhang
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China
| | - Wen Lai
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China
| | - Yuanting Zhu
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China
| | - Shujuan Chen
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China
| | - Kang Zhou
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China
| | - Xiaolin Ao
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China.,Institute of Food Processing and Safety, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China
| | - Li He
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China
| | - Yong Yang
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China.,Institute of Food Processing and Safety, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China
| | - Likou Zou
- College of Resources, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Aiping Liu
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China
| | - Kai Yao
- College of Light Industry and Food, Sichuan University, Chengdu, Sichuan, 610065, China
| | - Shuliang Liu
- College of Food Science, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China.,Institute of Food Processing and Safety, Sichuan Agricultural University, Ya'an, Sichuan, 625014, China
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19
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Wang YT, Shen RX, Xing D, Zhao CP, Gao HT, Wu JH, Zhang N, Zhang HD, Chen Y, Zhao TY, Li CX. Metagenome Sequencing Reveals the Midgut Microbiota Makeup of Culex pipiens quinquefasciatus and Its Possible Relationship With Insecticide Resistance. Front Microbiol 2021; 12:625539. [PMID: 33717014 PMCID: PMC7948229 DOI: 10.3389/fmicb.2021.625539] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 01/25/2021] [Indexed: 01/01/2023] Open
Abstract
Midgut microbiota can participate in the detoxification and metabolism processes in insects, but there are few reports on the relationship between midgut microbiota and insecticide resistance in mosquitoes. In this study, we performed metagenomic sequencing on a susceptible strain (SS), a field-collected Hainan strain (HN), and a deltamethrin-resistant strain (RR) of Culex pipiens quinquefasciatus to understand the diversity and functions of their midgut microbiota. The results revealed differences in midgut microbiota among the three strains of Cx. pipiens quinquefasciatus. At the phylum level, Proteobacteria was the most prominent, accounting for nearly 70% of their midgut microbes. At the genus level, Aeromonas made up the highest proportion. In addition, Aeromonas, Morganella, Elizabethkingia, Enterobacter, Cedecea, and Thorsellia showed significant differences between strains. At the species level, Bacillus cereus, Enterobacter cloacae complex sp. 4DZ3-17B2, Streptomyces sp. CNQ329, and some species of Pseudomonas and Wolbachia were more abundant in the two resistant strains. Principal component analysis (PCA) showed that the SS strain had significantly different metagenomic functions than the two deltamethrin-resistant strains (HN and RR strain). The HN and RR strains differed from the SS strain in more than 10 Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. The analysis of species abundance and functional diversity can provide directions for future studies.
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Affiliation(s)
- Yi-Ting Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Key Laboratory of Vector Borne and Natural Focus Infectious Disease, Institute of Microbiology and Epidemiology, Beijing, China
| | - Rui-Xin Shen
- State Key Laboratory of Pathogen and Biosecurity, Beijing Key Laboratory of Vector Borne and Natural Focus Infectious Disease, Institute of Microbiology and Epidemiology, Beijing, China.,School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China
| | - Dan Xing
- State Key Laboratory of Pathogen and Biosecurity, Beijing Key Laboratory of Vector Borne and Natural Focus Infectious Disease, Institute of Microbiology and Epidemiology, Beijing, China
| | - Chen-Pei Zhao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Key Laboratory of Vector Borne and Natural Focus Infectious Disease, Institute of Microbiology and Epidemiology, Beijing, China.,College of Life Sciences, Ludong University, Yantai, China
| | - He-Ting Gao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Key Laboratory of Vector Borne and Natural Focus Infectious Disease, Institute of Microbiology and Epidemiology, Beijing, China.,College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, China
| | - Jia-Hong Wu
- School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China
| | - Ning Zhang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Key Laboratory of Vector Borne and Natural Focus Infectious Disease, Institute of Microbiology and Epidemiology, Beijing, China
| | - Heng-Duan Zhang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Key Laboratory of Vector Borne and Natural Focus Infectious Disease, Institute of Microbiology and Epidemiology, Beijing, China
| | - Yan Chen
- School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China
| | - Tong-Yan Zhao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Key Laboratory of Vector Borne and Natural Focus Infectious Disease, Institute of Microbiology and Epidemiology, Beijing, China
| | - Chun-Xiao Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Key Laboratory of Vector Borne and Natural Focus Infectious Disease, Institute of Microbiology and Epidemiology, Beijing, China
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20
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Serbent MP, Dos Anjos Borges LG, Quadros A, Marconatto L, Tavares LBB, Giongo A. Prokaryotic and microeukaryotic communities in an experimental rice plantation under long-term use of pesticides. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:2328-2341. [PMID: 32880839 DOI: 10.1007/s11356-020-10614-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 08/23/2020] [Indexed: 06/11/2023]
Abstract
Conventional agricultural practices, such as rice plantations, often contaminate the soil and water with xenobiotics. Here we evaluated the microbiota composition in experimental rice planting with a record of prolonged pesticide use, using 16S and 18S rRNA amplicon sequencing. We investigated four components of a complete agricultural system: affluent water (A), rice rhizosphere soil (R), sediment from a storage pond (S), and effluent (E) water (drained from the storage pond). Despite the short spatial distance between our sites, the beta diversity analysis of bacterial communities showed two well-defined clusters, separating the water and sediment/rhizosphere samples; rhizosphere and sediment were richer while the effluent was less diverse. Overall, the site with the highest evenness was the rhizosphere. Unlike the bacterial communities, Shannon diversity of microeukaryotes was significantly different between A and E. The effluent presented the lowest values for all ecological indexes tested and differed significantly from all sampled sites, except on evenness. When mapped the metabolic pathways, genes corresponding to the degradation of aromatic compounds, including genes related to pesticide degradation, were identified. The most abundant genes were related to the degradation of benzoate. Our results indicate that the effluent is a selective environment for fungi. Interestingly, the overall fungal diversity was higher in the affluent, the water that reached the system before pesticide application, and where the prokaryotic diversity was the lowest. The affluent and effluent seem to have the lowest environmental quality, given the presence of bacteria genera previously recorded in environments with high concentrations of pesticide residues. The microbiota, environmental characteristics, and pesticide residues should be further studied and try to elucidate the potential for pesticide degradation by natural consortia. Thus, extensive comparative studies are needed to clarify the microbial composition, diversity, and functioning of rice cultivation environments, and how pesticide use changes may reflect differences in microbial structure.
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Affiliation(s)
- Maria Pilar Serbent
- Santa Catarina State University - UDESC, Ibirama, Brazil.
- Environmental Engineering Graduate Program, PPGEA, Regional University of Blumenau - FURB, Blumenau, Brazil.
| | - Luiz Gustavo Dos Anjos Borges
- Institute of Petroleum and Natural Resources (IPR), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil
| | - Aline Quadros
- Pumpkin Science Communication, Porto Alegre, RS, Brazil
| | - Letícia Marconatto
- Institute of Petroleum and Natural Resources (IPR), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil
| | | | - Adriana Giongo
- Environmental Engineering Graduate Program, PPGEA, Regional University of Blumenau - FURB, Blumenau, Brazil
- Institute of Petroleum and Natural Resources (IPR), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil
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21
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Guo H, Yu X, Liu Z, Li J, Ye J, Zha Z. Deltamethrin transformation by Bacillus thuringiensis and the associated metabolic pathways. ENVIRONMENT INTERNATIONAL 2020; 145:106167. [PMID: 33035892 DOI: 10.1016/j.envint.2020.106167] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 09/08/2020] [Accepted: 09/25/2020] [Indexed: 05/22/2023]
Abstract
The biological toxicity of deltamethrin at molecular level has been investigated, whereas, the proteome responsive mechanisms of cells under deltamethrin stress at the phylogenetic level are not clear. The proteome expression, transformation-related pathway and regulatory network of Bacillus thuringiensis during the process of deltamethrin transformation were explored using proteomics and metabolomics approaches in the present study. The results showed that deltamethrin was effectively removed by B. thuringiensis within 48 h. The stress responses of B. thuringiensis were activated to resist deltamethrin stress, with significant differential expression of proteins that were primarily involved in the synthesis of DNA and shock proteins, endospore formation, carbon metabolism. The expression patterns of ribosomal proteins confirmed that the transcription and translation of DNA, and biosynthesis of heat shock proteins were inhibited as deltamethrin transformation. The synthesis of oxaloacetate and acetyl-CoA were also hindered, resulting in downregulated expression of carbohydrate metabolism, TCA cycle and energy metabolism. Meanwhile, endospore formation and germination were promoted to resist oxidative stress induced by deltamethrin. These findings imparted novel insight to elucidate underlying stress response mechanisms of the organism under target contaminants stress, and the interaction between deltamethrin transformation and cellular metabolism at the pathway and network levels.
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Affiliation(s)
- Huiying Guo
- Institute of Orthopedic Diseases and Department of Bone and Joint Surgery, The First Affiliated Hospital, Jinan University, Guangzhou 510630, China
| | - Xiaolong Yu
- Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China
| | - Ziyi Liu
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 510632, China
| | - Jieruo Li
- Institute of Orthopedic Diseases and Department of Bone and Joint Surgery, The First Affiliated Hospital, Jinan University, Guangzhou 510630, China
| | - Jinshao Ye
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 510632, China.
| | - Zhengang Zha
- Institute of Orthopedic Diseases and Department of Bone and Joint Surgery, The First Affiliated Hospital, Jinan University, Guangzhou 510630, China.
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22
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Tang J, Lei D, Wu M, Hu Q, Zhang Q. Biodegradation and metabolic pathway of fenvalerate by Citrobacter freundii CD-9. AMB Express 2020; 10:194. [PMID: 33125615 PMCID: PMC7599292 DOI: 10.1186/s13568-020-01128-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 10/15/2020] [Indexed: 12/02/2022] Open
Abstract
Fenvalerate is a pyrethroid insecticide with rapid action, strong targeting, broad spectrum, and high efficiency. However, continued use of fenvalerate has resulted in its widespread presence as a pollutant in surface streams and soils, causing serious environmental pollution. Pesticide residues in the soil are closely related to food safety, yet little is known regarding the kinetics and metabolic behaviors of fenvalerate. In this study, a fenvalerate-degrading microbial strain, CD-9, isolated from factory sludge, was identified as Citrobacter freundii based on morphological, physio-biochemical, and 16S rRNA sequence analysis. Response surface methodology analysis showed that the optimum conditions for fenvalerate degradation by CD-9 were pH 6.3, substrate concentration 77 mg/L, and inoculum amount 6% (v/v). Under these conditions, approximately 88% of fenvalerate present was degraded within 72 h of culture. Based on high-performance liquid chromatography and gas chromatography-mass spectrometry analysis, ten metabolites were confirmed after the degradation of fenvalerate by strain CD-9. Among them, o-phthalaldehyde is a new metabolite for fenvalerate degradation. Based on the identified metabolites, a possible degradation pathway of fenvalerate by C. freundii CD-9 was proposed. Furthermore, the enzyme localization method was used to study CD-9 bacteria and determine that its degrading enzyme is an intracellular enzyme. The degradation rate of fenvalerate by a crude enzyme solution for over 30 min was 73.87%. These results showed that strain CD-9 may be a suitable organism to eliminate environmental pollution by pyrethroid insecticides and provide a future reference for the preparation of microbial degradation agents and environmental remediation.
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Ning M, Hao W, Cao C, Xie X, Fan W, Huang H, Yue Y, Tang M, Wang W, Gu W, Meng Q. Toxicity of deltamethrin to Eriocheir sinensis and the isolation of a deltamethrin-degrading bacterium, Paracoccus sp. P-2. CHEMOSPHERE 2020; 257:127162. [PMID: 32485514 DOI: 10.1016/j.chemosphere.2020.127162] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 05/18/2020] [Accepted: 05/20/2020] [Indexed: 06/11/2023]
Abstract
Deltamethrin is used widely in Eriocheir sinensis aquaculture to remove wild fish and parasites. The residual deltamethrin greatly affects the growth and quality of E. sinensis. In this study, the LC50 of deltamethrin against E. sinensis at 24, 48 and 96 h was determined to be 6.5, 5.0 and 2.8 μg/L, respectively. The enzyme activity and gene transcription of SOD, CAT, and PO in the hepatopancreas of E. sinensis after deltamethrin stimulation showed an increasing tendency, and these enzymes reached their maximum activities at 6-10 d. The MDA content accumulated with increased time of deltamethrin stress. After 15 d of deltamethrin stress, the hepatopancreas of E. sinensis was found to be damaged based on HE staining. These results showed that deltamethrin is highly toxic to E. sinensis. But the half-life of deltamethrin is long and mainly relies on biodegradation. To resolve the pollution of residual deltamethrin, a strain of deltamethrin-degrading bacteria, P-2, was isolated from the sediment of an E. sinensis culture pond. Through morphological observation, physiological and biochemical identification and 16S rDNA sequence analysis, we found that this strain belonged to Paracoccus sp. When the pH was 7, the substrate concentration was low, the inoculation amount was high, and the deltamethrin degradation effect of Paracoccus sp. P-2 was good. The deltamethrin residue in the hepatopancreas and muscle of E. sinensis decreased significantly when Paracoccus sp. P-2 was added at 6.0 × 108 CFU/L. The degradation efficiency of Paracoccus sp. P-2 in the hepatopancreas and muscle was more than 70%. These results showed that Paracoccus sp. P-2, the first deltamethrin-degrading bacterium in aquaculture, could be used to remove residual deltamethrin and improve the food safety of E. sinensis.
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Affiliation(s)
- Mingxiao Ning
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Life Sciences & College of Marine Science and Engineering, Nanjing Normal University, 1 Wenyuan Road, Nanjing, 210023, China
| | - Wenjing Hao
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Life Sciences & College of Marine Science and Engineering, Nanjing Normal University, 1 Wenyuan Road, Nanjing, 210023, China
| | - Cheng Cao
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Life Sciences & College of Marine Science and Engineering, Nanjing Normal University, 1 Wenyuan Road, Nanjing, 210023, China
| | - Xiaojun Xie
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Life Sciences & College of Marine Science and Engineering, Nanjing Normal University, 1 Wenyuan Road, Nanjing, 210023, China
| | - Weifeng Fan
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Life Sciences & College of Marine Science and Engineering, Nanjing Normal University, 1 Wenyuan Road, Nanjing, 210023, China
| | - Hua Huang
- Wujin Aquatic Technology Promotion Station, Changzhou, 213017, Jiangsu, China
| | - Yichao Yue
- Wujin Aquatic Technology Promotion Station, Changzhou, 213017, Jiangsu, China
| | - Mengyue Tang
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Life Sciences & College of Marine Science and Engineering, Nanjing Normal University, 1 Wenyuan Road, Nanjing, 210023, China
| | - Wen Wang
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Life Sciences & College of Marine Science and Engineering, Nanjing Normal University, 1 Wenyuan Road, Nanjing, 210023, China
| | - Wei Gu
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Life Sciences & College of Marine Science and Engineering, Nanjing Normal University, 1 Wenyuan Road, Nanjing, 210023, China; Co-Innovation Center for Marine Bio-Industry Technology of Jiangsu Province, Lianyungang, Jiangsu, China.
| | - Qingguo Meng
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Life Sciences & College of Marine Science and Engineering, Nanjing Normal University, 1 Wenyuan Road, Nanjing, 210023, China; Co-Innovation Center for Marine Bio-Industry Technology of Jiangsu Province, Lianyungang, Jiangsu, China.
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Tang J, Hu Q, Lei D, Wu M, Zeng C, Zhang Q. Characterization of deltamethrin degradation and metabolic pathway by co-culture of Acinetobacter junii LH-1-1 and Klebsiella pneumoniae BPBA052. AMB Express 2020; 10:106. [PMID: 32495133 PMCID: PMC7270285 DOI: 10.1186/s13568-020-01043-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 05/27/2020] [Indexed: 01/18/2023] Open
Abstract
Deltamethrin and its major metabolite 3‐phenoxybenzoic acid (3‐PBA) have caused serious threat to the environment as well as human health, yet little is known about their degradation pathways by bacterial co-cultures. In this study, the growth and degradation kinetics of Acinetobacter junii LH-1-1 and Klebsiella pneumoniae BPBA052 during deltamethrin and 3-PBA degradation were established, respectively. When the inoculum proportion of the strains LH-1-1 and BPBA052 was 7.5:2.5, and LH-1-1 was inoculated 24 h before inoculation of strain BPBA052, 94.25% deltamethrin was degraded and 9.16 mg/L of 3-PBA remained within 72 h, which was 20.36% higher and 10.25 mg/L lesser than that in monoculture of LH-1-1, respectively. And the half-life of deltamethrin was shortened from 38.40 h to 24.58 h. Based on gas chromatography–mass spectrometry, 3-phenoxybenzaldehyde, 1,2-benzenedicarboxylic butyl dacyl ester, and phenol were identified as metabolites during deltamethrin degradation in co-culture. This is the first time that a co-culture degradation pathway of deltamethrin has been proposed based on these identified metabolites. Bioremediation of deltamethrin-contaminated soils with co-culture of strains LH-1-1 and BPBA052 significantly enhanced deltamethrin degradation and 3-PBA removal. This study provides a platform for further studies on deltamethrin and 3-PBA biodegradation mechanism in co-culture, and it also proposes a promising approach for efficient bioremediation of environment contaminated by pyrethroid pesticides and their associated metabolites.
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Bhatt P, Huang Y, Rene ER, Kumar AJ, Chen S. Mechanism of allethrin biodegradation by a newly isolated Sphingomonas trueperi strain CW3 from wastewater sludge. BIORESOURCE TECHNOLOGY 2020; 305:123074. [PMID: 32146283 DOI: 10.1016/j.biortech.2020.123074] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 02/19/2020] [Accepted: 02/21/2020] [Indexed: 06/10/2023]
Abstract
The main aim of this study was to investigate and characterize the bacterial strain that has the potential to degrade allethrin. The isolated strain, Sphingomonas trueperi CW3, degraded allethrin (50 mg L-1) in batch experiments within seven days. The Box-Behnken design optimized allethrin degradation and had a confirmation of 93% degradation at pH 7.0, at a temperature of 30 °C and an inocula concentration of 100 mg L-1. The results from gas chromatography and mass spectrometry analysis confirmed the existence of nine metabolites from the degradation of allethrin with strain CW3. The cleavage of the ester bond, followed by the degradation of the five-carbon rings, was allethrin's primary degradation pathway. The strain CW3 also degraded other widely applied synthetic pyrethroids such as cyphenothrin, bifenthrin, permethrin, tetramethrin, β-cypermethrin and chlorempenthrin. Furthermore, in experiments performed with sterilized soil, strain CW3 based bioaugmentation effectively removed allethrin at a significantly reduced half-life.
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Affiliation(s)
- Pankaj Bhatt
- 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
| | - Eldon R Rene
- Department of Environmental Engineering and Water Technology, IHE Delft Institute for Water Education, 2601DA Delft, the Netherlands
| | | | - 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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26
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Bhatt P, Zhang W, Lin Z, Pang S, Huang Y, Chen S. Biodegradation of Allethrin by a Novel Fungus Fusarium proliferatum Strain CF2, Isolated from Contaminated Soils. Microorganisms 2020; 8:E593. [PMID: 32325934 PMCID: PMC7232317 DOI: 10.3390/microorganisms8040593] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 04/10/2020] [Accepted: 04/17/2020] [Indexed: 11/17/2022] Open
Abstract
Continuous use of allethrin has resulted in heavy environmental contamination and has raised public concern about its impact on human health, yet little is known about the kinetics and microbial degradation of this pesticide. This study reported the degradation kinetics in a novel fungal strain, Fusarium proliferatum CF2, isolated from contaminated agricultural fields. Strain CF2 utilized 50 mg·L-1 of allethrin as the sole carbon source for growth in minimal salt medium and tolerated high concentrations of allethrin of up to 1000 mg·L-1. The optimum degradation conditions for strain CF2 were determined to be a temperature of 26 °C and pH 6.0 using response surface methodology. Under optimum conditions, strain CF2 completely degraded allethrin within 144 hours. The degradation kinetics of allethrin followed first order reaction kinetics. Kinetics analysis showed that its half-life was substantially reduced by 507.1 hours, as compared to the uninoculated control. This study provides new insights into the microbial degradation of allethrin with fungal F. proliferatum CF2.
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Affiliation(s)
- Pankaj Bhatt
- 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; (P.B.); (W.Z.); (Z.L.); (S.P.); (Y.H.)
- 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; (P.B.); (W.Z.); (Z.L.); (S.P.); (Y.H.)
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Ziqiu Lin
- 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; (P.B.); (W.Z.); (Z.L.); (S.P.); (Y.H.)
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
| | - Shimei Pang
- 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; (P.B.); (W.Z.); (Z.L.); (S.P.); (Y.H.)
- 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; (P.B.); (W.Z.); (Z.L.); (S.P.); (Y.H.)
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, 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, China; (P.B.); (W.Z.); (Z.L.); (S.P.); (Y.H.)
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China
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27
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Khajezadeh M, Abbaszadeh-Goudarzi K, Pourghadamyari H, Kafilzadeh F. A newly isolated Streptomyces rimosus strain capable of degrading deltamethrin as a pesticide in agricultural soil. J Basic Microbiol 2020; 60:435-443. [PMID: 32128846 DOI: 10.1002/jobm.201900263] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 01/12/2020] [Accepted: 02/01/2020] [Indexed: 11/08/2022]
Abstract
Chemical pesticides or insecticides with complex structures are highly abundant in the biosphere and have inevitable side effects on farmland, natural resources, and human health. Deltamethrin is the most popular and widely used pesticide that disrupts the cellular calcium channels. In the present study, isolated strains of bacteria were examined to determine the ones that were capable of degrading deltamethrin. Different species of bacteria were evaluated in terms of the capability to degrade deltamethrin. It is important to note that Streptomyces rimosus was able to degrade up to 200 mg/L deltamethrin concentration and could be grown in mineral salt medium agar containing deltamethrin to be used as a source of carbon and energy. The results demonstrated that there is a diversity of deltamethrin-degrading bacteria in agricultural soil ecosystems. The application of these bacteria, especially S. rimosus, might be used as a bioremediation technique to decrease pesticide contamination of the ecosystem.
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Affiliation(s)
- Masoud Khajezadeh
- Cellular and Molecular Research Center, Gerash University of Medical Sciences, Gerash, Iran
| | | | - Hossein Pourghadamyari
- Department of Clinical Biochemistry, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Farshid Kafilzadeh
- Department of Biology, Jahrom Branch, Islamic Azad University, Jahrom, Iran
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28
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Zhan H, Huang Y, Lin Z, Bhatt P, Chen S. New insights into the microbial degradation and catalytic mechanism of synthetic pyrethroids. ENVIRONMENTAL RESEARCH 2020; 182:109138. [PMID: 32069744 DOI: 10.1016/j.envres.2020.109138] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 12/23/2019] [Accepted: 01/13/2020] [Indexed: 06/10/2023]
Abstract
The significant applications of pyrethroid insecticides in agro-ecosystem and household environments have raised serious environmental concerns. Environmental bioremediation has emerged as an effective and eco-friendly approach to remove or neutralize hazardous compounds. Bioaugmentation accelerates pyrethroid degradation in liquid cultures and soil. Pyrethroid-degrading microorganisms have been extensively studied to cope with pyrethroid residues. Microorganisms primarily hydrolyze the ester bonds of pyrethroids, and their degradation pathways have been elaborated. The functional genes and enzymes involved in microbial degradation have also been screened and studied. Carboxylesterase plays a key role in pyrethroid degradation by cleaving its carboxylester linkage. The catalytic mechanism is dependent on a specific catalytic triad, consisting of three amino acid residues (glutamine, histidine, and serine) within the active site of the carboxylesterase enzyme. Pyrethroid-degrading strains and enzymes have proven to be effective for the bioremediation of pyrethroid-contaminated environments. In this review, we have summarized newly isolated pyrethroid-degrading strains and proposed the degradation pathways along with key functional genes/enzymes. To develop an efficient bioremediation strategy, pyrethroid-degrading microorganisms should be comprehensively explored.
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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, PR China; Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou, 510642, PR 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, PR China; Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou, 510642, PR China
| | - Ziqiu Lin
- 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, PR China; Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou, 510642, PR China
| | - Pankaj Bhatt
- 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, PR China; Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou, 510642, PR 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, PR China; Guangdong Laboratory of Lingnan Modern Agriculture, Guangzhou, 510642, PR China.
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29
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Swasy MI, Brummel BR, Narangoda C, Attia MF, Hawk JM, Alexis F, Whitehead DC. Degradation of pesticides using amine-functionalized cellulose nanocrystals. RSC Adv 2020; 10:44312-44322. [PMID: 35517180 PMCID: PMC9058506 DOI: 10.1039/d0ra08308a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 12/01/2020] [Indexed: 11/21/2022] Open
Abstract
A series of amine-functionalized cellulose nanocrystal materials were successfully synthesized, characterized, and evaluated for the remediation of pesticide contaminants from organic and aqueous media. Their ability to degrade malathion in organic systems has been examined, resulting in up to 100% degradation of the compound into detectable lower molecular weight by-products. A poly(ethylenimine) cellulose nanocrystal (CNC-PEI) material was also capable of degrading aqueous solutions of malathion, deltamethrin, and permethrin with 100%, 95%, and 78% degradation, respectively. Thus, these materials can potentially serve as a new and viable remediation technique based on their ability to effectively degrade various pesticides. The reusability of the CNC-PEI was also explored. The CNC-PEI material maintained its ability to degrade malathion throughout two wash and re-use cycles. A series of amine-functionalized cellulose nanocrystal materials were successfully synthesized, characterized, and evaluated for the remediation of pesticide contaminants from organic and aqueous media.![]()
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Affiliation(s)
| | | | | | | | | | - Frank Alexis
- School of Biological Sciences and Engineering
- Yachay Tech
- San Miguel de Urcuquí
- Ecuador
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30
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Bhatt P, Huang Y, Zhan H, Chen S. Insight Into Microbial Applications for the Biodegradation of Pyrethroid Insecticides. Front Microbiol 2019; 10:1778. [PMID: 31428072 PMCID: PMC6687851 DOI: 10.3389/fmicb.2019.01778] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 07/18/2019] [Indexed: 12/13/2022] Open
Abstract
Pyrethroids are broad-spectrum insecticides and presence of chiral carbon differentiates among various forms of pyrethroids. Microbial approaches have emerged as a popular solution to counter pyrethroid toxicity to marine life and mammals. Bacterial and fungal strains can effectively degrade pyrethroids into non-toxic compounds. Different strains of bacteria and fungi such as Bacillus spp., Raoultella ornithinolytica, Psudomonas flourescens, Brevibacterium sp., Acinetobactor sp., Aspergillus sp., Candida sp., Trichoderma sp., and Candia spp., are used for the biodegradation of pyrethroids. Hydrolysis of ester bond by enzyme esterase/carboxyl esterase is the initial step in pyrethroid biodegradation. Esterase is found in bacteria, fungi, insect and mammalian liver microsome cells that indicates its hydrolysis ability in living cells. Biodegradation pattern and detected metabolites reveal microbial consumption of pyrethroids as carbon and nitrogen source. In this review, we aim to explore pyrethroid degrading strains, enzymes and metabolites produced by microbial strains. This review paper covers in-depth knowledge of pyrethroids and recommends possible solutions to minimize their environmental toxicity.
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Affiliation(s)
| | | | | | - 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, China
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31
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Bragança I, Mucha AP, Tomasino MP, Santos F, Lemos PC, Delerue-Matos C, Domingues VF. Deltamethrin impact in a cabbage planted soil: Degradation and effect on microbial community structure. CHEMOSPHERE 2019; 220:1179-1186. [PMID: 33395804 DOI: 10.1016/j.chemosphere.2019.01.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 12/25/2018] [Accepted: 01/02/2019] [Indexed: 06/12/2023]
Abstract
Synthetic pyrethroids (SPs) are one of the most common pesticides used worldwide. Their use has greatly increased in the last decades and its' continuous application lead to added pesticides concentration in soil. Consequently, SPs may enter the food chain, affecting the environment and human health. The degradation over time of the pyrethroid pesticide deltamethrin applied to cabbages was monitored. The evolution was followed both on cabbages and the surrounding soils, and the soil microbial community characterized by next-generation sequencing of the 16S rRNA gene. The main shift in the microbial community structure was observed during the first 30 days after pesticides' application. The modification in the microbial community composition, where an increased abundance of Nocardioides sp. and Sphingomonas sp. were observed, was correlated respectively with the conversions of deltamethrin and its metabolite, 3-phenoxybenzoic acid (3-PBA). Although deltamethrin was not found in any of the tested samples (soil and cabbage) after 180 days, it caused an environmental impact much further than the 7 days security interval. These findings suggest that deltamethrin application can disturb soil microbial community and that natural biodegradation can have an important part in pesticides soil decontamination.
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Affiliation(s)
- Idalina Bragança
- REQUIMTE/LAQV-GRAQ, Instituto Superior de Engenharia do Porto, Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal
| | - Ana P Mucha
- CIMAR/CIIMAR - Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
| | - Maria P Tomasino
- CIMAR/CIIMAR - Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
| | - Filipa Santos
- CIMAR/CIIMAR - Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208 Matosinhos, Portugal
| | - Paulo C Lemos
- REQUIMTE/LAQV, Chemistry Dep., FCT/Universidade NOVA de Lisboa, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Cristina Delerue-Matos
- REQUIMTE/LAQV-GRAQ, Instituto Superior de Engenharia do Porto, Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal
| | - Valentina F Domingues
- REQUIMTE/LAQV-GRAQ, Instituto Superior de Engenharia do Porto, Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal.
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32
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Bragança I, Lemos PC, Delerue-Matos C, Domingues VF. Pyrethroid pesticide metabolite, 3-PBA, in soils: method development and application to real agricultural soils. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:2987-2997. [PMID: 30506380 DOI: 10.1007/s11356-018-3690-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 11/05/2018] [Indexed: 06/09/2023]
Abstract
3-Phenoxybenzoic acid (3-PBA) is a shared metabolite of several synthetic pyrethroid pesticides (SPs) resulting from environmental degradation of parent compounds and thus occurs frequently as a residue in samples. Hence, the importance of 3-PBA evaluation after pyrethroid application. There is a gap of analytical methods to determine 3-PBA in soil samples. Therefore, an analytical method that combines the solid-phase extraction (SPE) and gas chromatography-mass spectrometry (GC/MS) detection has been developed for the determination of 3-PBA in soil samples. The analytical method was validated in terms of linearity, sensitivity, intra- and inter-day batch precisions, recoveries, and quantification limits. An SPE method using a Strata X cartridge allows obtaining limits of detection and quantification equal to 4.0 and 13.3 ng g-1, respectively. Under optimized conditions, the method average recovery levels ranged from 70.3 to 93.5% with a relative standard deviation below 3.4%. Method intra- and inter-day precision was under 5.0 and 4.8%, respectively. The developed method was applied to 11 agricultural soil samples in the north of Portugal. The developed methodology allowed for the determination of the pyrethroid metabolite, 3-PBA, in agricultural soil samples at levels of few ng g-1. Graphical abstract ᅟ.
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Affiliation(s)
- Idalina Bragança
- REQUIMTE/LAQV-GRAQ, Instituto Superior de Engenharia do Porto, Polytechnic Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072, Porto, Portugal
| | - Paulo C Lemos
- REQUIMTE/LAQV, Chemistry Dep, FCT/Universidade NOVA de Lisboa, Campus de Caparica, 2829-516, Caparica, Portugal
| | - Cristina Delerue-Matos
- REQUIMTE/LAQV-GRAQ, Instituto Superior de Engenharia do Porto, Polytechnic Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072, Porto, Portugal
| | - Valentina F Domingues
- REQUIMTE/LAQV-GRAQ, Instituto Superior de Engenharia do Porto, Polytechnic Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072, Porto, Portugal.
- Requimte, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, no 431, 4200-072, Porto, Portugal.
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Jin S, Yao X, Xu Z, Zhang X, Yang F. Estimation of soil-specific microbial degradation of alpha-cypermethrin by compound-specific stable isotope analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:22736-22743. [PMID: 29855873 DOI: 10.1007/s11356-018-2399-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 05/24/2018] [Indexed: 06/08/2023]
Abstract
In this study, the microbial degradation of alpha-cypermethrin was investigated in 14 different soil samples by compound-specific stable isotope analysis. After 40 and 80 days of microbial degradation, the stable carbon isotope ratios of alpha-cypermethrin shifted from - 32.18 to - 31.87‰ ~ - 31.12 and - 31.45‰ ~ - 29.75‰ in the soils, respectively. The microbial degradation percentages of alpha-cypermethrin were calculated as 15.6~44.3% after 40 days of incubation and 33.3~73.9% after 80 days of incubation. The effects of physicochemical properties of soil samples were then explored on the microbial degradation of alpha-cypermethrin. The results revealed that the microbial degradation percentages were positively correlated with the contents of organic carbon in soils with Pearson correlation coefficients of 0.794 and 0.843 for 40 and 80 days of microbial degradation, respectively, indicating that the microbial degradation of alpha-cypermethrin was faster in the soil with higher content of organic carbon. Accordingly, soil-specific use should be considered in practical agricultural application of alpha-cypermethrin to reduce the residue of the pesticide.
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Affiliation(s)
- Shiwei Jin
- Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, College of Chemistry and Materials Science, South-Central University For Nationalities, Wuhan, 430074, China
| | - Xiaoshan Yao
- Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, College of Chemistry and Materials Science, South-Central University For Nationalities, Wuhan, 430074, China
| | - Zemin Xu
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Xichang Zhang
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Fangxing Yang
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
- Research Institute of Zhejiang University-Taizhou, Taizhou, Zhejiang, 318000, China.
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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: 124] [Impact Index Per Article: 20.7] [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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Yang J, Feng Y, Zhan H, Liu J, Yang F, Zhang K, Zhang L, Chen S. Characterization of a Pyrethroid-Degrading Pseudomonas fulva Strain P31 and Biochemical Degradation Pathway of D-Phenothrin. Front Microbiol 2018; 9:1003. [PMID: 29867894 PMCID: PMC5964208 DOI: 10.3389/fmicb.2018.01003] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 04/30/2018] [Indexed: 11/28/2022] Open
Abstract
D-phenothrin is one of the most popular pyrethroid insecticides for its broad spectrum and high insecticidal activity. However, continuous use of D-phenothrin has resulted in serious environmental contamination and raised public concern about its impact on human health. Biodegradation of D-phenothrin has never been investigated and its metabolic behaviors remain unknown. Here, a novel bacterial strain P31 was isolated from active sludge, which completely degraded (100%) D-phenothrin at 50 mg⋅L-1 in 72 h. Based on the morphology, 16S rRNA gene and Biolog tests, the strain was identified as Pseudomonas fulva. Biodegradation conditions were optimized as 29.5°C and pH 7.3 by utilizing response surface methodology. Strain P31 depicted high tolerance and strong D-phenothrin degradation ability through hydrolysis pathway. Strain P31 degraded D-phenothrin at inhibition constant (Ki) of 482.1673 mg⋅L-1 and maximum specific degradation constant (qmax) of 0.0455 h-1 whereas critical inhibitor concentration remained as 41.1189 mg⋅L-1. The 3-Phenoxybenzaldehyde and 1,2-benzenedicarboxylic butyl dacyl ester were identified as the major intermediate metabolites of D-phenothrin degradation pathway through high-performance liquid chromatography and gas chromatography-mass spectrometry. Bioaugmentation of D-phenothrin-contaminated soils with strain P31 dramatically enhanced its degradation, and over 75% of D-phenothrin was removed from soils within 10 days. Moreover, the strain illustrated a remarkable capacity to degrade other synthetic pyrethroids, including permethrin, cyhalothrin, β-cypermethrin, deltamethrin, fenpropathrin, and bifenthrin, exhibiting great potential in bioremediation of pyrethroid-contaminated environment.
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Affiliation(s)
- Jingjing Yang
- 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, 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, China
| | - 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, China
| | - Jie Liu
- Laboratory of Insect Toxicology, and Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou, China
| | - Fang Yang
- 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, China
| | - Kaiyang 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, China
| | - Lianhui 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, 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, China
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Xu Z, Liu W, Yang F. A new approach to estimate bioavailability of pyrethroids in soil by compound-specific stable isotope analysis. JOURNAL OF HAZARDOUS MATERIALS 2018; 349:1-9. [PMID: 29414739 DOI: 10.1016/j.jhazmat.2018.01.038] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 01/17/2018] [Accepted: 01/19/2018] [Indexed: 06/08/2023]
Abstract
In this study, the microbial degradation of six pyrethroids (bifenthrin, fenpropathrin, permethrin, α-cypermethrin, fenvalerate and deltamethrin) was investigated in soil to develop a new approach to estimate bioavailability of pyrethoids by compound-specific stable isotope analysis (CSIA). After 56-day incubation, the residual concentrations of pyrethroids in unsterilized soil were much lower than those in sterilized soil, indicating that microbial degradation was dominant for the elimination of pyrethroids. Meanwhile, the stable carbon isotope ratios of the six pyrethroids were determined during the degradation. Significant stable carbon isotope fractionation was observed during the microbial degradation of fenpropathrin, α-cypermethrin and deltamethrinhe. The enrichment factor ε was determined as -1.88‰, -1.82‰ and -2.00‰, respectively. A new approach was then developed to estimate the bioavailability of the three pyrethroids by determining stable carbon isotope ratios. The approach established in the study provides an alternative method to dynamically and quantitatively estimate bioavailability of compounds in soil based on CSIA.
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Affiliation(s)
- Zemin Xu
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Weiping Liu
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Fangxing Yang
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
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Zhou S, Song J, Dong W, Mu Y, Zhang Q, Fan Z, Wang Y, Kong D, Zhou Y, Jiang X, Zhao B, Han G, Ruan Z. Nicosulfuron Biodegradation by a Novel Cold-Adapted Strain Oceanisphaera psychrotolerans LAM-WHM-ZC. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:10243-10249. [PMID: 29111703 DOI: 10.1021/acs.jafc.7b04022] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Nicosulfuron is a common environmental pollutant, posing a great threat to aquatic systems and causing significant damage to crops. This study reported a cold-adapted strain Oceanisphaera psychrotolerans LAM-WHM-ZC, which efficiently degrades nicosulfuron over a wide range of temperatures (5 to 40 °C). The Box-Behnken design method was used to optimize the degradation conditions. O. psychrotolerans LAM-WHM-ZC can degrade 92.4% and 74.6% of initially supplemented 100 mg/L nicosulfuron under the optimum and low temperature of 18.1 and 5 °C, respectively, within 7 days. O. psychrotolerans LAM-WHM-ZC was found to be highly efficient in degrading cinosulfuron, chlorsulfuron, rimsulfuron, bensulfuron methyl, and ethametsulfuron methyl. Metabolites from nicosulfuron degradation were identified by UPLC-MS, and a possible degradation pathway was proposed. Furthermore, O. psychrotolerans LAM-WHM-ZC can also degrade nicosulfuron in soil; 78.6% and 67.4% of the initial nicosulfuron supplemented at 50 mg/kg were removed at 18.1 and 5 °C, respectively, within 15 days.
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Affiliation(s)
- Shan Zhou
- Institute of Agricultural Resources and Regional Planning CAAS , Beijing 100081, China
- Wuhan University , Wuhan 430072, China
| | - Jinlong Song
- Key Laboratory of Control of Quality and Safety for Aquatic Products (Ministry of Agriculture) Chinese Academy of Fishery Sciences , Beijing 100141, China
| | - Weiwei Dong
- State Key Laboratory of Agricultural Microbiology and College of Life Science and Technology, Huazhong Agricultural University , Wuhan 430070, China
| | - Yingchun Mu
- Key Laboratory of Control of Quality and Safety for Aquatic Products (Ministry of Agriculture) Chinese Academy of Fishery Sciences , Beijing 100141, China
| | - Qi Zhang
- Institute of Agricultural Resources and Regional Planning CAAS , Beijing 100081, China
| | - Ziwen Fan
- Wuhan University , Wuhan 430072, China
| | - Yanwei Wang
- Key Laboratory of Development and Application of Rural Renewable Energy (Ministry of Agriculture), Biogas Institute of Ministry of Agriculture , Chengdu 610041, China
| | - Delong Kong
- Institute of Agricultural Resources and Regional Planning CAAS , Beijing 100081, China
| | - Yiqing Zhou
- Institute of Agricultural Resources and Regional Planning CAAS , Beijing 100081, China
| | - Xu Jiang
- Institute of Agricultural Resources and Regional Planning CAAS , Beijing 100081, China
| | - Bin Zhao
- State Key Laboratory of Agricultural Microbiology and College of Life Science and Technology, Huazhong Agricultural University , Wuhan 430070, China
| | - Gang Han
- Key Laboratory of Control of Quality and Safety for Aquatic Products (Ministry of Agriculture) Chinese Academy of Fishery Sciences , Beijing 100141, China
| | - Zhiyong Ruan
- Institute of Agricultural Resources and Regional Planning CAAS , Beijing 100081, China
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Kurek M, Barchańska H, Turek M. Degradation Processes of Pesticides Used in Potato Cultivations. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2017; 242:105-151. [PMID: 27718007 DOI: 10.1007/398_2016_13] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Potato is one of the most important crops, after maize, rice and wheat. Its global production is about 300 million tons per year and is constantly increasing. It grows in temperate climate and is used as a source of starch, food, and in breeding industry.Potato cultivation requires application of numerous agro-technical products, including pesticides, since it can be affected by insects, weeds, fungi, and viruses. In the European Union the most frequently used pesticides in potato cultivations check are: thiamethoxam, lambda-cyhalothrin and deltamethrin (insecticides), rimsulfuron (herbicide) and metalaxyl (fungicide).Application of pesticides improves crop efficiency, however, as pesticides are not totally selective, it affects also non-target organisms. Moreover, the agrochemicals may accumulate in crops and, as a consequence, negatively influence the quality of food products and consumer health. Additional risks of plant protection products are related to their derivatives, that are created both in the environment (soil, water) and in plant organisms, since many of these compounds may exhibit toxic effects.This article is devoted to the degradation processes of pesticides used in potato crop protection. Attention is also paid to the toxicity of both parent compounds and their degradation products for living organisms, including humans. Information about the level of pesticide contamination in the environment (water, soil) and accumulation level in edible plants complement the current knowledge about the risks associated with widespread use of thiamethoxam, lambda-cyhalothrin and deltamethrin, rimsulfuron and metalaxyl in potato cultivation.
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Affiliation(s)
- M Kurek
- Department of Inorganic, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology, B. Krzywoustego 6, 44-100, Gliwice, Poland.
| | - H Barchańska
- Department of Inorganic, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology, B. Krzywoustego 6, 44-100, Gliwice, Poland
| | - M Turek
- Department of Inorganic, Analytical Chemistry and Electrochemistry, Faculty of Chemistry, Silesian University of Technology, B. Krzywoustego 6, 44-100, Gliwice, Poland
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Qi Z, Wei Z. Microbial flora analysis for the degradation of beta-cypermethrin. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:6554-6562. [PMID: 28074371 DOI: 10.1007/s11356-017-8370-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Accepted: 01/02/2017] [Indexed: 06/06/2023]
Abstract
In the Xinjiang region of Eurasia, sustained long-term and continuous cropping of cotton over a wide expanse of land is practiced, which requires application of high levels of pyrethroid and other classes of pesticides-resulting in high levels of pesticide residues in the soil. In this study, soil samples were collected from areas of long-term continuous cotton crops with the aim of obtaining microbial resources applicable for remediation of pyrethroid pesticide contamination suitable for the soil type and climate of that area. Soil samples were first used to culture microbial flora capable of degrading beta-cypermethrin using an enrichment culture method. Structural changes and ultimate microbial floral composition during enrichment were analyzed by high-throughput sequencing. Four strains capable of degrading beta-cypermethrin were isolated and preliminarily classified. Finally, comparative rates and speeds of degradation of beta-cypermethrin between relevant microbial flora and single strains were determined. After continuous subculture for 3 weeks, soil sample microbial flora formed a new type of microbial flora by rapid succession, which showed stable growth by utilizing beta-cypermethrin as the sole carbon source (GXzq). This microbial flora mainly consisted of Pseudomonas, Hyphomicrobium, Dokdonella, and Methyloversatilis. Analysis of the microbial flora also permitted separation of four additional strains; i.e., GXZQ4, GXZQ6, GXZQ7, and GXZQ13 that, respectively, belonged to Streptomyces, Enterobacter, Streptomyces, and Pseudomonas. Under culture conditions of 37 °C and 180 rpm, the degradation rate of beta-cypermethrin by GXzq was as high as 89.84% within 96 h, which exceeded that achieved by the single strains GXZQ4, GXZQ6, GXZQ7, and GXZQ13 and their derived microbial flora GXh.
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Affiliation(s)
- Zhang Qi
- Xinjiang Key Laboratory of Special Species Conservation and Regulatory Biology, Xinjiang Normal University, Xinyi Road, Urumqi, 830054, China
| | - Zhang Wei
- Xinjiang Key Laboratory of Special Species Conservation and Regulatory Biology, Xinjiang Normal University, Xinyi Road, Urumqi, 830054, China.
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Alvarez A, Saez JM, Davila Costa JS, Colin VL, Fuentes MS, Cuozzo SA, Benimeli CS, Polti MA, Amoroso MJ. Actinobacteria: Current research and perspectives for bioremediation of pesticides and heavy metals. CHEMOSPHERE 2017; 166:41-62. [PMID: 27684437 DOI: 10.1016/j.chemosphere.2016.09.070] [Citation(s) in RCA: 257] [Impact Index Per Article: 36.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 09/15/2016] [Accepted: 09/16/2016] [Indexed: 05/03/2023]
Abstract
Actinobacteria exhibit cosmopolitan distribution since their members are widely distributed in aquatic and terrestrial ecosystems. In the environment they play relevant ecological roles including recycling of substances, degradation of complex polymers, and production of bioactive molecules. Biotechnological potential of actinobacteria in the environment was demonstrated by their ability to remove organic and inorganic pollutants. This ability is the reason why actinobacteria have received special attention as candidates for bioremediation, which has gained importance because of the widespread release of contaminants into the environment. Among organic contaminants, pesticides are widely used for pest control, although the negative impact of these chemicals in the environmental balance is increasingly becoming apparent. Similarly, the extensive application of heavy metals in industrial processes lead to highly contaminated areas worldwide. Several studies focused in the use of actinobacteria for cleaning up the environment were performed in the last 15 years. Strategies such as bioaugmentation, biostimulation, cell immobilization, production of biosurfactants, design of defined mixed cultures and the use of plant-microbe systems were developed to enhance the capabilities of actinobacteria in bioremediation. In this review, we compiled and discussed works focused in the study of different bioremediation strategies using actinobacteria and how they contributed to the improvement of the already existing strategies. In addition, we discuss the importance of omic studies to elucidate mechanisms and regulations that bacteria use to cope with pollutant toxicity, since they are still little known in actinobacteria. A brief account of sources and harmful effects of pesticides and heavy metals is also given.
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Affiliation(s)
- Analia Alvarez
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, Tucumán 4000, Argentina; Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán (UNT), Miguel Lillo 205, Tucumán 4000, Argentina.
| | - Juliana Maria Saez
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, Tucumán 4000, Argentina.
| | - José Sebastian Davila Costa
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, Tucumán 4000, Argentina.
| | - Veronica Leticia Colin
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, Tucumán 4000, Argentina.
| | - María Soledad Fuentes
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, Tucumán 4000, Argentina.
| | - Sergio Antonio Cuozzo
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, Tucumán 4000, Argentina; Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán (UNT), Miguel Lillo 205, Tucumán 4000, Argentina.
| | - Claudia Susana Benimeli
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, Tucumán 4000, Argentina.
| | - Marta Alejandra Polti
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, Tucumán 4000, Argentina; Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán (UNT), Miguel Lillo 205, Tucumán 4000, Argentina.
| | - María Julia Amoroso
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, Tucumán 4000, Argentina.
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Socorro J, Marque SRA, Temime-Roussel B, Ravier S, Gligorovski S, Wortham H, Quivet E. Products and mechanisms of the heterogeneous reactions of ozone with commonly used pyrethroids in the atmosphere. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 573:1287-1293. [PMID: 27401282 DOI: 10.1016/j.scitotenv.2016.06.217] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 06/22/2016] [Accepted: 06/27/2016] [Indexed: 06/06/2023]
Abstract
The heterogeneous reactions of gas-phase ozone and two pyrethroid pesticides, deltamethrin and permethrin, which are the most frequently applied insecticides today, has been investigated. Tentative identifications of heterogeneous ozonolysis products of both pesticides reveal that the reaction mechanisms differ and are mainly influenced by the presence of the cyano moiety at the α-position of deltamethrin (pyrethroid type II). The mechanism study also suggests the important role of water. Finally, several of the degradation products emerged from the ozonolysis of deltamethrin and permethrin may pose further health and environmental hazard due to their higher toxicity, such as phosgene for permethrin, and bromophosgene, 3-phenoxybenzaldehyde (3-PBA) and fulminic acid for deltamethrin. The results obtained in this study can contribute to better describe the atmospheric fate of pesticides in the particle phase.
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Cycoń M, Piotrowska-Seget Z. Pyrethroid-Degrading Microorganisms and Their Potential for the Bioremediation of Contaminated Soils: A Review. Front Microbiol 2016; 7:1463. [PMID: 27695449 PMCID: PMC5023672 DOI: 10.3389/fmicb.2016.01463] [Citation(s) in RCA: 103] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Accepted: 09/01/2016] [Indexed: 01/29/2023] Open
Abstract
Pyrethroid insecticides have been used to control pests in agriculture, forestry, horticulture, public health and for indoor home use for more than 20 years. Because pyrethroids were considered to be a safer alternative to organophosphate pesticides (OPs), their applications significantly increased when the use of OPs was banned or limited. Although, pyrethroids have agricultural benefits, their widespread and continuous use is a major problem as they pollute the terrestrial and aquatic environments and affect non-target organisms. Since pyrethroids are not degraded immediately after application and because their residues are detected in soils, there is an urgent need to remediate pyrethroid-polluted environments. Various remediation technologies have been developed for this purpose; however, bioremediation, which involves bioaugmentation and/or biostimulation and is a cost-effective and eco-friendly approach, has emerged as the most advantageous method for cleaning-up pesticide-contaminated soils. This review presents an overview of the microorganisms that have been isolated from pyrethroid-polluted sites, characterized and applied for the degradation of pyrethroids in liquid and soil media. The paper is focused on the microbial degradation of the pyrethroids that have been most commonly used for many years such as allethrin, bifenthrin, cyfluthrin, cyhalothrin, cypermethrin, deltamethrin, fenpropathrin, fenvalerate, and permethrin. Special attention is given to the bacterial strains from the genera Achromobacter, Acidomonas, Bacillus, Brevibacterium, Catellibacterium, Clostridium, Lysinibacillus, Micrococcus, Ochrobactrum, Pseudomonas, Serratia, Sphingobium, Streptomyces, and the fungal strains from the genera Aspergillus, Candida, Cladosporium, and Trichoderma, which are characterized by their ability to degrade various pyrethroids. Moreover, the current knowledge on the degradation pathways of pyrethroids, the enzymes that are involved in the cleavage of pesticide molecules, the factors/conditions that influence the survival of strains that are introduced into soil and the rate of the removal of pyrethroids are also discussed. This knowledge may be useful to optimize the environmental conditions of bioremediation and may be crucial for the effective removal of pyrethroids from polluted soils.
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Affiliation(s)
- Mariusz Cycoń
- Department of Microbiology and Virology, School of Pharmacy with the Division of Laboratory Medicine, Medical University of SilesiaSosnowiec, Poland
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Pankaj, Sharma A, Gangola S, Khati P, Kumar G, Srivastava A. Novel pathway of cypermethrin biodegradation in a Bacillus sp. strain SG2 isolated from cypermethrin-contaminated agriculture field. 3 Biotech 2016; 6:45. [PMID: 28330116 PMCID: PMC4742419 DOI: 10.1007/s13205-016-0372-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Accepted: 09/14/2015] [Indexed: 11/08/2022] Open
Abstract
Pesticides belonging to pyrethroid group are widely used in agricultural fields to check pest infestation in different crops for enhanced food production. In spite of beneficial effects, non-judicious use of pesticides imposes harmful effect on human health as their residues reach different food materials and ground water via leaching, percolation and bioaccumulation. Looking into the potential of microbial degradation of toxic compounds under natural environment, a cypermethrin-degrading Bacillus sp. was isolated from pesticide-contaminated soil of a rice field of Distt. Udham Singh Nagar, Uttarakhand, India. The bacteria degraded the compound up to 81.6 % within 15 days under standard growth conditions (temperature 32 °C pH 7 and shaking at 116 rpm) in minimal medium. Analysis of intermediate compounds of biodegraded cypermethrin revealed that the bacteria opted a new pathway for cypermethrin degradation. GC-MS analysis of biodegraded cypermethrin showed the presence of 4-propylbenzoate, 4-propylbenzaldehyde, phenol M-tert-butyl and 1-dodecanol, etc. which was not reported earlier in cypermethrin metabolism; hence a novel biodegradation pathway of cypermethrin with Bacillus sp. strain SG2 is proposed in this study.
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Affiliation(s)
- Pankaj
- Department of Microbiology, College of Basic Sciences and Humanities, G.B Pant University of Agriculture and Technology, Pantnagar, 263145, India.
| | - Anita Sharma
- Department of Microbiology, College of Basic Sciences and Humanities, G.B Pant University of Agriculture and Technology, Pantnagar, 263145, India
| | - Saurabh Gangola
- Department of Microbiology, College of Basic Sciences and Humanities, G.B Pant University of Agriculture and Technology, Pantnagar, 263145, India
| | - Priyanka Khati
- Department of Microbiology, College of Basic Sciences and Humanities, G.B Pant University of Agriculture and Technology, Pantnagar, 263145, India
| | - Govind Kumar
- Department of Microbiology, College of Basic Sciences and Humanities, G.B Pant University of Agriculture and Technology, Pantnagar, 263145, India
| | - Anjana Srivastava
- Department of Chemistry, College of Basic Sciences and Humanities, G.B Pant University of Agriculture and Technology, Pantnagar, 263145, India
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Javaid MK, Ashiq M, Tahir M. Potential of Biological Agents in Decontamination of Agricultural Soil. SCIENTIFICA 2016; 2016:1598325. [PMID: 27293964 PMCID: PMC4887633 DOI: 10.1155/2016/1598325] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2015] [Accepted: 03/08/2016] [Indexed: 06/06/2023]
Abstract
Pesticides are widely used for the control of weeds, diseases, and pests of cultivated plants all over the world, mainly since the period after the Second World War. The use of pesticides is very extensive to control harm of pests all over the globe. Persistent nature of most of the synthetic pesticides causes serious environmental concerns. Decontamination of these hazardous chemicals is very essential. This review paper elaborates the potential of various biological agents in decontamination of agricultural soils. The agricultural crop fields are contaminated by the periodic applications of pesticides. Biodegradation is an ecofriendly, cost-effective, highly efficient approach compared to the physical and chemical methods which are expensive as well as unfriendly towards environment. Biodegradation is sensitive to the concentration levels of hydrogen peroxide and nitrogen along with microbial community, temperature, and pH changes. Experimental work for optimum conditions at lab scale can provide very fruitful results about specific bacterial, fungal strains. This study revealed an upper hand of bioremediation over physicochemical approaches. Further studies should be carried out to understand mechanisms of biotransformation.
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Affiliation(s)
| | - Mehrban Ashiq
- Department of Chemistry, University of Gujrat, Gujrat 50700, Pakistan
| | - Muhammad Tahir
- Department of Chemistry, University of Gujrat, Gujrat 50700, Pakistan
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Zhao H, Xu J, Dong F, Liu X, Wu Y, Wu X, Zheng Y. Characterization of a novel oxyfluorfen-degrading bacterial strain Chryseobacterium aquifrigidense and its biochemical degradation pathway. Appl Microbiol Biotechnol 2016; 100:6837-6845. [DOI: 10.1007/s00253-016-7504-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 03/22/2016] [Accepted: 03/24/2016] [Indexed: 11/28/2022]
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Liu J, Chen S, Ding J, Xiao Y, Han H, Zhong G. Sugarcane bagasse as support for immobilization of Bacillus pumilus HZ-2 and its use in bioremediation of mesotrione-contaminated soils. Appl Microbiol Biotechnol 2015; 99:10839-51. [PMID: 26337896 DOI: 10.1007/s00253-015-6935-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 07/21/2015] [Accepted: 08/11/2015] [Indexed: 11/26/2022]
Abstract
The degrading microorganisms isolated from environment usually fail to degrade pollutants when used for bioremediation of contaminated soils; thus, additional treatments are needed to enhance biodegradation. In the present study, the potential of sugarcane bagasse as bacteria-immobilizing support was investigated in mesotrione biodegradation. A novel isolate Bacillus pumilus HZ-2 was applied in bacterial immobilization, which was capable of degrading over 95 % of mesotrione at initial concentrations ranging from 25 to 200 mg L(-1) within 4 days in flask-shaking tests. Scanning electron microscope (SEM) images showed that the bacterial cells were strongly absorbed and fully dispersed on bagasse surface after immobilization. Specially, 86.5 and 82.9 % of mesotrione was eliminated by bacteria immobilized on bagasse of 100 and 60 mesh, respectively, which indicated that this immobilization was able to maintain a high degrading activity of the bacteria. Analysis of the degradation products determined 2-amino-4-methylsulfonylbenzoic acid (AMBA) and 4-methylsulfonyl-2-nitrobenzoic acid (MNBA) as the main metabolites in the biodegradation pathway of mesotrione. In the sterile soil, approximately 90 % of mesotrione was degraded after supplementing 5.0 % of molasses in bacteria-bagasse composite, which greatly enhanced microbial adaptability and growth in the soil environment. In the field tests, over 75 % of mesotrione in soil was degraded within 14 days. The immobilized preparation demonstrated that mesotrione could be degraded at a wide range of pH values (5.0-8.0) and temperatures (25-35 °C), especially at low concentrations of mesotrione (5 to 20 mg kg(-1)). These results showed that sugarcane bagasse might be a good candidate as bacteria-immobilizing support to enhance mesotrione degradation by Bacillus p. HZ-2 in contaminated soils.
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Affiliation(s)
- Jie Liu
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, and Lab of Insect Toxicology, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Shaohua Chen
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Jie Ding
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, and Lab of Insect Toxicology, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Ying Xiao
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, and Lab of Insect Toxicology, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Haitao Han
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, and Lab of Insect Toxicology, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Guohua Zhong
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, and Lab of Insect Toxicology, South China Agricultural University, Guangzhou, 510642, People's Republic of China.
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Liao L, Cheng Y, Liu S, Zhou J, An S, Lv M, Chen Y, Gu Y, Chen S, Zhang LH. Production of novel antibiotics zeamines through optimizing Dickeya zeae fermentation conditions. PLoS One 2014; 9:e116047. [PMID: 25541733 PMCID: PMC4277462 DOI: 10.1371/journal.pone.0116047] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Accepted: 11/30/2014] [Indexed: 01/20/2023] Open
Abstract
Dickeya zeae strain EC1 was recently shown to produce a new type of phytotoxins designated as zeamine and zeamine II, which are potent wide-spectrum antibiotics against Gram-positive and Gram-negative bacterial pathogens, suggesting their promising potential as clinical medicines. In this study, the optimized medium composition and culture conditions for biosynthesis of novel antibiotics zeamines have been established by using response surface methodology, largely increasing the yield of zeamines from original about 7.35 µg · mL(-1) in minimal medium to about 150 µg · mL(-1) in LS5 medium. The study identified the major factors contributing to zeamines production, which include nitrate, sucrose, asparaginate, mineral elements Mg2+ and K+, and optimized amount of phosphate. In addition, the results showed that overexpression of zmsK in D. zeae strain EC1 could further increase zeamines yield to about 180 µg · mL(-1) in LS5 medium. The findings from this study could facilitate further characterization and utilization of these two novel antibiotics, and also provide useful clues for understanding the regulatory mechanisms that govern D. zeae virulence.
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Affiliation(s)
- Lisheng Liao
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, Peoples' Republic of China
| | - Yingying Cheng
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, Peoples' Republic of China
| | - Shiyin Liu
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, Peoples' Republic of China
| | - Jianuan Zhou
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, Peoples' Republic of China
| | - Shuwen An
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Mingfa Lv
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, Peoples' Republic of China
| | - Yufan Chen
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, Peoples' Republic of China
| | - Yanfang Gu
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, Peoples' Republic of China
| | - Shaohua Chen
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, Peoples' Republic of China
- * E-mail: (SC); (LHZ)
| | - Lian-Hui Zhang
- Guangdong Province Key Laboratory of Microbial Signals and Disease Control, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, Peoples' Republic of China
- Institute of Molecular and Cell Biology, Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
- Department of Biological Sciences, National University of Singapore, Singapore, Republic of Singapore
- * E-mail: (SC); (LHZ)
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Saeidi M, Yazdani Z, Sabermahani F. Simultaneous derivatization/pre-concentration of 3-phenoxybenzaldehyde as transformation product of permethrin with 2,4-dinitrophenylhydrazine by solid phase extraction and spectrophotometric detection. JOURNAL OF ANALYTICAL CHEMISTRY 2014. [DOI: 10.1134/s1061934815010104] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Isolation of a novel beta-cypermethrin degrading strain Bacillus subtilis BSF01 and its biodegradation pathway. Appl Microbiol Biotechnol 2014; 99:2849-59. [PMID: 25398281 DOI: 10.1007/s00253-014-6164-y] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Revised: 10/12/2014] [Accepted: 10/14/2014] [Indexed: 10/24/2022]
Abstract
Continuous use of the pyrethroid insecticide beta-cypermethrin (beta-cp) has resulted in serious environmental contamination problems. We report here that a novel bacterial strain BSF01, which was isolated from activated sludge and identified as Bacillus subtilis (collection number: CCTCC AB 2014103), showed high efficiency in degrading beta-cp. Strain BSF01 was able to utilize beta-cp as the sole carbon source for growth and degraded 89.4 % of 50 mg L(-1) beta-cp within 7 days. The optimal conditions for beta-cp degradation were determined to be 34.5 °C, pH 6.7, and inocula amount 0.11 g dry wt L(-1) using response surface methodology. The kinetic parameters q max, K s, and K i were established to be 2.19 day(-1), 76.37 mg L(-1), and 54.14 mg L(-1), respectively. The critical inhibitor concentration was determined to be 64.30 mg L(-1). Seven metabolites were identified by gas chromatography-mass spectrometry. Furthermore, a novel biodegradation pathway for beta-cp was proposed on the basis of analysis of the metabolites. This strain was also capable of degrading a wide range of pyrethroid insecticides including cypermethrin, deltamethrin, cyhalothrin, and beta-cyfluthrin, which similar to beta-cp are hazardous chemicals. Taken together, our results depict the biodegradation pathway of beta-cp and highlight the promising potentials of strain BSF01 in bioremediation of pyrethroid-contaminated environments.
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