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Zhu Y, Xie Q, Ye J, Wang R, Yin X, Xie W, Li D. Metabolic Mechanism of Bacillus sp. LM24 under Abamectin Stress. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3068. [PMID: 36833759 PMCID: PMC9965259 DOI: 10.3390/ijerph20043068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/02/2023] [Accepted: 02/06/2023] [Indexed: 06/18/2023]
Abstract
Abamectin (ABM) has been recently widely used in aquaculture. However, few studies have examined its metabolic mechanism and ecotoxicity in microorganisms. This study investigated the molecular metabolic mechanism and ecotoxicity of Bacillus sp. LM24 (B. sp LM24) under ABM stress using intracellular metabolomics. The differential metabolites most affected by the bacteria were lipids and lipid metabolites. The main significant metabolic pathways of B. sp LM24 in response to ABM stress were glycerolipid; glycine, serine, and threonine; and glycerophospholipid, and sphingolipid. The bacteria improved cell membrane fluidity and maintained cellular activity by enhancing the interconversion pathway of certain phospholipids and sn-3-phosphoglycerol. It obtained more extracellular oxygen and nutrients to adjust the lipid metabolism pathway, mitigate the impact of sugar metabolism, produce acetyl coenzyme A to enter the tricarboxylic acid (TCA) cycle, maintain sufficient anabolic energy, and use some amino acid precursors produced during the TCA cycle to express ABM efflux protein and degradative enzymes. It produced antioxidants, including hydroxyanigorufone, D-erythroascorbic acid 1'-a-D-xylopyranoside, and 3-methylcyclopentadecanone, to alleviate ABM-induced cellular and oxidative damage. However, prolonged stress can cause metabolic disturbances in the metabolic pathways of glycine, serine, threonine, and sphingolipid; reduce acetylcholine production; and increase quinolinic acid synthesis.
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Affiliation(s)
- Yueping Zhu
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China
| | - Qilai Xie
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Agricultural and Pural Pullution Abatement and Environmental Safety, Guangzhou 510642, China
| | - Jinshao Ye
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 510632, China
| | - Ruzhen Wang
- Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China
| | - Xudong Yin
- Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China
| | - Wenyu Xie
- Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China
| | - Dehao Li
- Guangdong Provincial Key Laboratory of Petrochemical Pollution Processes and Control, School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming 525000, China
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Tian J, Chen C, Lartey-Young G, Ma L. Biodegradation of cefalexin by two bacteria strains from sewage sludge. ROYAL SOCIETY OPEN SCIENCE 2023; 10:220442. [PMID: 36686552 PMCID: PMC9832293 DOI: 10.1098/rsos.220442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Bioremediation has been used as an environmentally-friendly, energy-saving and efficient method for removing pollutants. However, there have been very few studies focusing on the specific antibiotic-degrading microorganisms in the activated sludge and their degradation mechanism. Two strains of cefalexin-degrading bacteria (Rhizobium sp. (CLX-2) and Klebsiella sp. (CLX-3)) were isolated from the activated sludge in this study. They were capable of rapidly eliminating over 99% of cefalexin at an initial concentration of 10 mg l-1 within 12 h. The exponential phase of cefalexin degradation happened a little earlier than that of bacterial growth. The first-order kinetic model could elucidate the biodegradation process of cefalexin. The optimized environmental temperature and pH values for rapid biodegradation by these two strains were found to be 30°C and 6.5-7, respectively. Furthermore, two major biodegradation metabolites of CLX-3, 7-amino-3-cephem-4-carboxylic acid and 2-hydroxy-3-phenyl pyrazine were identified using UHPLC-MS and the biodegradation pathway of cefalexin was proposed. Overall, the results showed that Rhizobium sp. (CLX-2) and Klebsiella sp. (CLX-3) could possibly be useful resources for antibiotic pollution remediation.
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Affiliation(s)
- Jichen Tian
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, People's Republic of China
| | - Chong Chen
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, People's Republic of China
| | - George Lartey-Young
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, People's Republic of China
| | - Limin Ma
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, People's Republic of China
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Lagos S, Moutzoureli C, Spiropoulou I, Alexandropoulou A, Karas PA, Saratsis A, Sotiraki S, Karpouzas DG. Biodegradation of anthelmintics in soils: does prior exposure of soils to anthelmintics accelerate their dissipation? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:62404-62422. [PMID: 35397025 DOI: 10.1007/s11356-022-19964-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
Anthelmintics (AHs) control animal infections with gastrointestinal nematodes. They reach soil through animal faeces deposited on soils or through manuring. Although soil constitutes a major AH sink, we know little about the mechanisms controlling their soil dissipation. We employed studies with fumigated and non-fumigated soils collected from 12 sheep farms with a variable record of albendazole (ABZ), ivermectin (IVM) and eprinomectin (EPM) use. From each farm, we collected soils from inside small ruminant barn facilities (series A, high exposure) and the associated grazing pastures (series B, low exposure). We asked the following questions: (a) What is the role of soil microorganisms in AH dissipation? (b) Does repeated exposure of soils to AHs lead to their accelerated biodegradation? (c) Which soil physicochemical properties control AH dissipation? Soil fumigation significantly retarded ABZ (DT50 1.9 and 4.33 days), IVM (34.5 and 108.7 days) and EPM dissipation (30 and 121 days) suggesting a key role of soil microorganisms in AH dissipation. No significant acceleration in AH dissipation was evident in soils from units with a record of the administration of AHs or in soil series A vs series B, suggesting that the level of prior exposure was not adequate to induce their enhanced biodegradation. Significant positive and negative correlations of soil total organic carbon (TOC) and ABZ and IVM dissipation, respectively, were observed. Soil adsorption of AHs increased in the order IVM > ABZ > EPM. TOC controlled soil adsorption of IVM and EPM, but not of ABZ, in support of the contrasting effect of TOC on IVM and ABZ dissipation.
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Affiliation(s)
- Stahis Lagos
- Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, University of Thessaly, Viopolis, 41500, Larissa, Greece
| | - Chrysovalantou Moutzoureli
- Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, University of Thessaly, Viopolis, 41500, Larissa, Greece
| | - Ifigenia Spiropoulou
- Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, University of Thessaly, Viopolis, 41500, Larissa, Greece
| | - Aggeliki Alexandropoulou
- Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, University of Thessaly, Viopolis, 41500, Larissa, Greece
| | - Panagiotis A Karas
- Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, University of Thessaly, Viopolis, 41500, Larissa, Greece
| | - Anastasios Saratsis
- Laboratory of Parasitology, Hellenic Agricultural Organisation-Demeter, Veterinary Research Institute, 57001, Thermi, Greece
| | - Smaragda Sotiraki
- Laboratory of Parasitology, Hellenic Agricultural Organisation-Demeter, Veterinary Research Institute, 57001, Thermi, Greece
| | - Dimitrios G Karpouzas
- Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, University of Thessaly, Viopolis, 41500, Larissa, Greece.
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Ma Y, Liu H, Xia X, Ning M, Ji B, Li Y, Li H, Du J, Sun W, Gu W, Meng Q. Toxicity of avermectin to Eriocheir sinensis and the isolation of a avermectin-degrading bacterium, Ochrobactrum sp. AVM-2. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 230:113115. [PMID: 34953271 DOI: 10.1016/j.ecoenv.2021.113115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 12/13/2021] [Accepted: 12/21/2021] [Indexed: 06/14/2023]
Abstract
Avermectin is widely used in the prevention and treatment of parasites diseases in aquaculture. However, the residual avermectin has a serious impact on the growth and quality of aquatic animals including Eriocheir sinensis. This study shows that the LC50 of avermectin to E. sinensis for 24, 48, 72 and 96 h was 21.88, 13.40, 9.11 and 7.10 mg/L, respectively. After avermectin stress, the activities of superoxide dismutase (SOD), catalase (CAT) and phenol oxidase (PO) in the hepatopancreas of E. sinensis increased and reached the peak on the 6th day. The content of malondialdehyde (MDA) accumulated with the increase of exposure time and concentration of avermectin. After 15 days of avermectin exposure, hepatopancreas was damaged seriously. These results indicated that avermectin had toxicity to E. sinensis. In order to solve the pollution problem caused by residual avermectin, a degrading bacterium AVM-2 was separated from the sediment of E. sinensis breeding pond. The strain was confirmed to be Ochrobactrum sp by morphology observation, physiological and biochemical identification and 16 S rDNA sequences analysis. When the pH value was 7, the temperature was 30 ℃, the concentration of substrate was low, the quantity of inoculation was high, Ochrobactrum sp. AVM-2 had better degradation effect on avermectin. When the addition of Ochrobactrum sp. AVM-2 was 2.34 × 108 CFU/L, the residual avermectin in muscle and hepatopancreatine significantly decreased, and the degradation rate was about 66%. In summary, Ochrobactrum sp. AVM-2 could be used to solve the residual problem of avermectin and ensure the food safety of E. sinensis.
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Affiliation(s)
- Yubo Ma
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering & College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Hongli Liu
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering & College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Xiaoli Xia
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering & College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Mingxiao Ning
- Institution of Quality Standard and Testing Technology for Agro-product, Shandong Academy of Agricultural Science, Jinan, Shandong 250100, China
| | - Bairu Ji
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering & College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Yingrui Li
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering & College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Haolan Li
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering & College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Jie Du
- Animal Husbandry and Veterinary College, Jiangsu Vocational College of Agriculture and Forestry, Jurong, Jiangsu 212400, China
| | - Wei Sun
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, Jiangsu 210009, China.
| | - Wei Gu
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering & College of Life Sciences, Nanjing Normal University, Nanjing 210023, China.
| | - Qingguo Meng
- Jiangsu Key Laboratory for Aquatic Crustacean Diseases, College of Marine Science and Engineering & College of Life Sciences, Nanjing Normal University, Nanjing 210023, China; Institution of Quality Standard and Testing Technology for Agro-product, Shandong Academy of Agricultural Science, Jinan, Shandong 250100, China; Animal Husbandry and Veterinary College, Jiangsu Vocational College of Agriculture and Forestry, Jurong, Jiangsu 212400, China.
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Zhou Z, Gao Y, Chen X, Li Y, Tian Y, Wang H, Li X, Yu X, Cao Y. One-Pot Facile Synthesis of Double-Shelled Mesoporous Silica Microcapsules with an Improved Soft-Template Method for Sustainable Pest Management. ACS APPLIED MATERIALS & INTERFACES 2021; 13:39066-39075. [PMID: 34387079 DOI: 10.1021/acsami.1c10135] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
A controlled release formulation based on silica microcapsules is an ideal selection to improve both the effective utilization and duration of pesticides to decrease ecological damage. Herein, a simple and green method for preparing double-shelled microcapsules was developed using a newly prepared quaternary ammonium ionic liquid (IL) as the functional additive to entrap avermectin (Ave) in mesoporous silica nanospheres (MSNs) and tannic acid-Cu (TA-Cu) complex as the sealing agent to form the core-shell structure (Ave-IL@MSN@TA-Cu). The obtained microcapsules with an average size of 538 nm had pH-responsive release property and good stability in soil. The half-life of microcapsules (34.66 days) was 3 times that of Ave emulsifiable concentrate (EC) (11.55 days) in a test soil, which illustrated that microcapsules could protect Ave from rapid degradation by microorganisms by releasing TA, copper, and quaternary ammonium in the soil. Ave-IL@MSN@TA-Cu microcapsules had better nematicidal activity and antibacterial activity than Ave EC due to the synergistic effect of Ave, IL, and copper incorporated in the microcapsules. Pot experiments showed that the control efficacy of microcapsules was 87.10% against Meloidogyne incognita, which is better than that of Ave EC (41.94%) at the concentration of 1.0 mg/plant by the root-irrigation method after 60 days of treatment owing to the extended duration of Ave in microcapsules. The simple and green method for the preparation of double-shelled microcapsules based on natural quaternary ammonium IL would have tremendous potential for the extensive development of controlled release pesticide formulations.
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Affiliation(s)
- Zhiyuan Zhou
- College of Plant Protection, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Yunhao Gao
- College of Plant Protection, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Xi Chen
- College of Plant Protection, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Yan Li
- College of Plant Protection, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Yuyang Tian
- College of Plant Protection, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Huachen Wang
- College of Plant Protection, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Xuan Li
- College of Plant Protection, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Xueyang Yu
- College of Plant Protection, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
| | - Yongsong Cao
- College of Plant Protection, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, China
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Wang Y, Gong M, Wang X, Peng X, Wang Y, Guan J, Cheng D, Weng C, Zheng Y. Efficient degradation of ivermectin by newly isolated Aeromonas taiwanensis ZJB-18,044. Biodegradation 2020; 31:275-288. [PMID: 32936376 PMCID: PMC7492233 DOI: 10.1007/s10532-020-09909-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 09/05/2020] [Indexed: 12/01/2022]
Abstract
Ivermectin (IVM) is a widely used antiparasitic agent and acaricide. Despite its high efficiency against nematodes and arthropods, IVM may pose a threat to the environment due to its ecotoxcity. In this study, degradation of IVM by a newly isolated bacterium Aeromonas taiwanensis ZJB-18,044 was investigated. Strain ZJB-18,044 can completely degrade 50 mg/L IVM in 5 d with a biodegradation ability of 0.42 mg/L/h. Meanwhile, it exhibited high tolerance (50 mg/L) to doramectin, emamectin, rifampicin, and spiramycin. It can also efficiently degrade doramectin, emamectin, and spiramycin. The IVM degradation of strain ZJB-18,044 can be inhibited by erythromycin, azithromycin, spiramycin or rifampicin. However, supplement of carbonyl cyanide m-chlorophenylhydrazone, an uncoupler of oxidative phosphorylation, can partially recover the IVM degradation. Moreover, strain ZJB-18,044 cells can pump out excess IVM to maintain a low intracellular IVM concentration. Therefore, the IVM tolerance of strain ZJB-18,044 may be due to the regulation of the intracellular IVM concentration by the activated macrolide efflux pump(s). With the high IVM degradation efficiency, A. taiwanensis ZJB-18,044 may serve as a bioremediation agent for IVM and other macrolides in the environment.
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Affiliation(s)
- Yuanshan Wang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- Engineering Research Center of Bioconversion and Biopurification, Ministry of Education, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- The National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
| | - Meihua Gong
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- Engineering Research Center of Bioconversion and Biopurification, Ministry of Education, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- The National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
| | - Xianlin Wang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- Engineering Research Center of Bioconversion and Biopurification, Ministry of Education, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- The National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
| | - Xiaolun Peng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- Engineering Research Center of Bioconversion and Biopurification, Ministry of Education, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- The National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
| | - Yuwei Wang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- Engineering Research Center of Bioconversion and Biopurification, Ministry of Education, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- The National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
| | - Jiahui Guan
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- Engineering Research Center of Bioconversion and Biopurification, Ministry of Education, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- The National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
| | - Dongyuan Cheng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- Engineering Research Center of Bioconversion and Biopurification, Ministry of Education, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- The National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
| | - Chunyue Weng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- Engineering Research Center of Bioconversion and Biopurification, Ministry of Education, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- The National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
| | - Yuguo Zheng
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province, College of Biotechnology and Bioengineering, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- Engineering Research Center of Bioconversion and Biopurification, Ministry of Education, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
- The National and Local Joint Engineering Research Center for Biomanufacturing of Chiral Chemicals, Zhejiang University of Technology, No. 18, Chaowang Road, Hangzhou, 310014 Zhejiang People’s Republic of China
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Li H, Wan Q, Zhang S, Wang C, Su S, Pan B. Housefly larvae (Musca domestica) significantly accelerates degradation of monensin by altering the structure and abundance of the associated bacterial community. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 170:418-426. [PMID: 30553153 DOI: 10.1016/j.ecoenv.2018.12.013] [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: 08/25/2018] [Revised: 11/29/2018] [Accepted: 12/05/2018] [Indexed: 06/09/2023]
Abstract
Vermicomposting of livestock manure using housefly larvae is a promising biotechnology for waste reduction and control of antibiotic pollution. Monensin (MON), an ionophore polyether antibiotic (IPA), is widely used in broiler feed to control coccidiosis. However, MON residues in litter have become a major source of pollution in the environment. In this work, we studied the efficiency of housefly larvae (Musca domestica) on monensin attenuation during a 12-day laboratory scale vermicomposting experiment. We observed a 94.99% reduction in MON concentration after four days in treatment groups, while it took twelve days to remove more than 94.71% of MON in the control group. We found that the bacterial community composition of the substrate was reshaped by housefly larvae. From the treatment groups, three MON-degrading bacterial strains were isolated and identified as Acinetobacter sp., Stenotrophomonas sp. and Alcaligenes sp. based on 16 S rRNA gene sequence analysis. These three strains were among dominant the bacteria in treated substrates, showing between 52.80% and 89.25% degradation of MON in mineral salt medium within 28 days. Furthermore, two MON-degrading bacteria (Stenotrophomonas sp. and Alcaligenes sp.) were more abundant in treatment groups and larvae gut groups compared with those in control groups. The abundance enhancement of MON-degrading bacteria was related to the change in ambient temperature and pH in the substrates, which were affected by housefly larvae activities. Our results confirm that housefly larvae can significantly accelerate degradation of MON in chicken manure by increasing the abundance of MON-degrading bacteria.
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Affiliation(s)
- Hao Li
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Qiang Wan
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Shudong Zhang
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Chuanwen Wang
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Shanchun Su
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China
| | - Baoliang Pan
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuan Ming Yuan West Road, Hai Dian District, Beijing 100193, China.
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8
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Biodegradation of γ-Hexachlorocyclohexane by Burkholderia sp. IPL04. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2018. [DOI: 10.1016/j.bcab.2018.09.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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9
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Fu Z, Chen K, Li L, Zhao F, Wang Y, Wang M, Shen Y, Cui H, Liu D, Guo X. Spherical and Spindle-Like Abamectin-Loaded Nanoparticles by Flash Nanoprecipitation for Southern Root-Knot Nematode Control: Preparation and Characterization. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E449. [PMID: 29925819 PMCID: PMC6027074 DOI: 10.3390/nano8060449] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 06/14/2018] [Accepted: 06/18/2018] [Indexed: 12/05/2022]
Abstract
Southern root-knot nematode (Meloidogyne incognita) is a biotrophic parasite, causing enormous loss in global crop production annually. Abamectin (Abm) is a biological and high-efficiency pesticide against Meloidogyne incognita. In this study, a powerful method, flash nanoprecipitation (FNP), was adopted to successfully produce Abm-loaded nanoparticle suspensions with high drug loading capacity (>40%) and encapsulation efficiency (>95%), where amphiphilic block copolymers (BCPs) poly(lactic-co-glycolic acid)-b-poly(ethylene glycol) (PLGA-b-PEG), poly(d,l-lactide)-b-poly(ethylene glycol) (PLA-b-PEG), or poly(caprolactone)-b-poly(ethylene glycol) (PCL-b-PEG) were used as the stabilizer to prevent the nanoparticles from aggregation. The effect of the drug-to-stabilizer feed ratio on the particle stability were investigated. Moreover, the effect of the BCP composition on the morphology of Abm-loaded nanoparticles for controlling Meloidogyne incognita were discussed. Notably, spindle-like nanoparticles were obtained with PCL-b-PEG as the stabilizer and found significantly more efficient (98.4% mortality at 1 ppm particle concentration) than spherical nanoparticles using PLGA-b-PEG or PLA-b-PEG as the stabilizer. This work provides a more rapid and powerful method to prepare stable Abm-loaded nanoparticles with tunable morphologies and improved effectiveness for controlling Meloidogyne incognita.
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Affiliation(s)
- Zhinan Fu
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
| | - Kai Chen
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Xinjiang 832000, China.
| | - Li Li
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
| | - Fang Zhao
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
| | - Yan Wang
- Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
| | - Mingwei Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
| | - Yue Shen
- Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
| | - Haixin Cui
- Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
| | - Dianhua Liu
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
| | - Xuhong Guo
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Xinjiang 832000, China.
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10
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Youenou B, Hien E, Deredjian A, Brothier E, Favre-Bonté S, Nazaret S. Impact of untreated urban waste on the prevalence and antibiotic resistance profiles of human opportunistic pathogens in agricultural soils from Burkina Faso. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:25299-25311. [PMID: 27696161 DOI: 10.1007/s11356-016-7699-5] [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: 05/31/2016] [Accepted: 09/12/2016] [Indexed: 06/06/2023]
Abstract
This study examined the long-term effects of the landfill disposal of untreated urban waste for soil fertilization on the prevalence and antibiotic resistance profiles of various human opportunistic pathogens in soils from Burkina Faso. Samples were collected at three sites in the periphery of Ouagadougou during two campaigns in 2008 and 2011. At each site, amendment led to changes in physico-chemical characteristics as shown by the increase in pH, CEC, total C, total N, and metal contents. Similarly, the numbers of total heterotrophic bacteria were higher in the amended fields than in the control ones. No sanitation indicators, i.e., coliforms, Staphylococci, and Enterococci, were detected. Pseudomonas aeruginosa and Burkholderia cepacia complex (Bcc) were detected at a low level in one amended field. Stenotrophomonas maltophilia was detected from both campaigns at the three sites in the amended fields and only once in an unamended field. Diversity analysis showed some opportunistic pathogen isolates to be closely related to reference clinical strains responsible for nosocomial- or community-acquired infections in Northern countries. Antibiotic resistance tests showed that P. aeruginosa and Bcc isolates had a wild-type phenotype and that most S. maltophilia isolates had a multi-drug resistance profile with resistance to 7 to 15 antibiotics. Then we were able to show that amendment led to an increase of some human opportunistic pathogens including multi-drug resistant isolates. Although the application of untreated urban waste increases both soil organic matter content and therefore soil fertility, the consequences of this practice on human health should be considered.
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Affiliation(s)
- Benjamin Youenou
- Research Group on « Multi-résistance environnementale et efflux bactérien», UMR 5557 Ecologie Microbienne, CNRS, VetAgro Sup and Université Lyon 1, 43, Boulevard du 11 Novembre 1918, Villeurbanne Cedex, 69622, Villeurbanne, France
| | - Edmond Hien
- LMI IESOL, UMR Eco&Sols, IRD-Université de Ouagadougou, UFR/SVT 03 BP 7021, Ouagadougou, Burkina Faso
| | - Amélie Deredjian
- Research Group on « Multi-résistance environnementale et efflux bactérien», UMR 5557 Ecologie Microbienne, CNRS, VetAgro Sup and Université Lyon 1, 43, Boulevard du 11 Novembre 1918, Villeurbanne Cedex, 69622, Villeurbanne, France
| | - Elisabeth Brothier
- Research Group on « Multi-résistance environnementale et efflux bactérien», UMR 5557 Ecologie Microbienne, CNRS, VetAgro Sup and Université Lyon 1, 43, Boulevard du 11 Novembre 1918, Villeurbanne Cedex, 69622, Villeurbanne, France
| | - Sabine Favre-Bonté
- Research Group on « Multi-résistance environnementale et efflux bactérien», UMR 5557 Ecologie Microbienne, CNRS, VetAgro Sup and Université Lyon 1, 43, Boulevard du 11 Novembre 1918, Villeurbanne Cedex, 69622, Villeurbanne, France
| | - Sylvie Nazaret
- Research Group on « Multi-résistance environnementale et efflux bactérien», UMR 5557 Ecologie Microbienne, CNRS, VetAgro Sup and Université Lyon 1, 43, Boulevard du 11 Novembre 1918, Villeurbanne Cedex, 69622, Villeurbanne, France.
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11
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Bai SH, Ogbourne S. Eco-toxicological effects of the avermectin family with a focus on abamectin and ivermectin. CHEMOSPHERE 2016; 154:204-214. [PMID: 27058912 DOI: 10.1016/j.chemosphere.2016.03.113] [Citation(s) in RCA: 120] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 03/22/2016] [Accepted: 03/24/2016] [Indexed: 05/25/2023]
Abstract
Avermectin family members are categorised as highly effective but toxic natural products that are used as pharmaceuticals in both humans and animals and for crop protection. Abamectin and ivermectin are the two most commonly used compounds from this family with abamectin the only compound to be used for both crop protection and pharmaceutical purposes. Avermectins are produced by the soil dwelling actinomycetes Streptomyces avermitilis and despite having complex chemical structures, they are manufactured via synthesis in large scales for commercial use. Although the extent of the eco-toxicological effects of avermectins is not well documented, reports of eco-toxicity exist. Avermectins have short half-lives and their residues can be eliminated through different food processing methods. However, avermectins can persist in water, sediment, soil and food products and therefore management practices that reduce the potential risks associated with eco-toxicity of these highly toxic compounds need to be further developed. This manuscript provides a critical review of the eco-toxicological risks and the potential for food contamination associated with avermectin use.
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Affiliation(s)
- Shahla Hosseini Bai
- GeneCology Research Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia.
| | - Steven Ogbourne
- GeneCology Research Centre, Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore DC, QLD 4558, Australia
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12
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Wang YS, Zheng XC, Hu QW, Zheng YG. Degradation of abamectin by newly isolated Stenotrophomonas maltophilia ZJB-14120 and characterization of its abamectin-tolerance mechanism. Res Microbiol 2015; 166:408-418. [DOI: 10.1016/j.resmic.2015.04.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2014] [Revised: 04/18/2015] [Accepted: 04/20/2015] [Indexed: 11/26/2022]
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13
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Boucias DG, Garcia-Maruniak A, Cherry R, Lu H, Maruniak JE, Lietze VU. Detection and characterization of bacterial symbionts in the Heteropteran, Blissus insularis. FEMS Microbiol Ecol 2012; 82:629-41. [PMID: 22713107 DOI: 10.1111/j.1574-6941.2012.01433.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Revised: 06/08/2012] [Accepted: 06/13/2012] [Indexed: 01/19/2023] Open
Abstract
Dense populations of extracellular bacteria were detected in midgut crypts of the southern chinch bug, Blissus insularis Barber (Hemiptera: Blissidae). Examination by epifluorescent and transmission electron microscopy revealed that the bacteria covered the luminal surface of the crypts and filled the entire lumen. Attempts to culture the extracellular endosymbionts in various media failed. Sequencing and phylogenetic analyses of 16S rRNA gene clones obtained from insects of five Florida populations showed high nucleotide homology to either betaproteobacterial Burkholderia spp. (243 clones from five populations) or gammaproteobacterial Pseudomonas spp. (58 clones from one population). Using Burkholderia-specific primers, bacteria were detected in the egg, nymph, and adult stages. Fluorescent in situ hybridization with genus-specific oligonucleotide probes confirmed the localization of Burkholderia in the crypts. Quantitative real-time PCR showed that antibiotic treatments of nymphs significantly reduced the amount of Burkholderia 16S rRNA gene copies in chinch bugs sampled 11 days after the treatment. Furthermore, these treatments resulted in retarded development and high mortality of B. insularis, indicating a beneficial impact of Burkholderia on its host.
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Affiliation(s)
- Drion G Boucias
- Entomology and Nematology Department, University of Florida, Gainesville, FL 32611, USA.
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Ali SW, Yu FB, Li LT, Li XH, Gu LF, Jiang JD, Li SP. Studies revealing bioremediation potential of the strain Burkholderia sp. GB-01 for abamectin contaminated soils. World J Microbiol Biotechnol 2011; 28:39-45. [PMID: 22806778 DOI: 10.1007/s11274-011-0790-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2011] [Accepted: 05/12/2011] [Indexed: 11/25/2022]
Abstract
Burkholderia sp. GB-01 strain was used to study different factors affecting its growth for inoculum production and then evaluated for abamectin degradation in soil for optimization under various conditions. The efficiency of abamectin degradation in soil by strain GB-01 was seen to be dependent on soil pH, temperature, initial abamectin concentration, and inoculum size along with inoculation frequency. Induction studies showed that abamectin depletion was faster when degrading cells were induced by pre-exposure to abamectin. Experiments performed with varying concentrations (2-160 mg Kg(-1)) of abamectin-spiked soils showed that strain GB-01 could effectively degrade abamectin over the range of 2-40 mg Kg(-1). The doses used were higher than the recommended dose for an agricultural application of abamectin, taking in account the over-use or spill situations. A cell density of approximately 10(8) viable cells g(-1) dry weight of soil was found to be suitable for bioremediation over a temperature range of 30-35°C and soil pH 7.5-8.5. This is the first report on bacterial degradation of abamectin in soil by a Burkholderia species, and our results indicated that this bacterium may be useful for efficient removal of abamectin from contaminated soils.
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Affiliation(s)
- Shinawar Waseem Ali
- Key Lab of Microbiological Engineering of Agricultural Environment, Ministry of Agriculture, College of Life Sciences, Nanjing Agricultural University, Jiangsu Province, Nanjing, 210095, People's Republic of China
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