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Reyes-Ávila A, Romero-González R, Garrido Frenich A. Degradation study of the trans-cinnamaldehyde and limonene biopesticides and their metabolites in cucumber by GC and UHPLC-HRMS: Laboratory and greenhouse studies. Food Chem 2024; 442:138443. [PMID: 38241992 DOI: 10.1016/j.foodchem.2024.138443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/21/2023] [Accepted: 01/11/2024] [Indexed: 01/21/2024]
Abstract
Degradation of trans-cinnamaldehyde and limonene in cucumber was evaluated under laboratory and greenhouse conditions. Two commercial biopesticides, one based on cinnamon extract and other from orange oil, were utilized. Compound degradation was monitored using gas chromatography (GC) and ultra-high-performance liquid chromatography (UHPLC) coupled to a quadrupole-high-resolution mass analyzer (Q-Orbitrap). In both studies, trans-cinnamaldehyde followed a second-order degradation kinetics, whereas limonene followed a first-order kinetics. The half-life values (DT50 or t1/2) for trans-cinnamaldehyde ranged from 2.02 to 2.49 h, while for limonene this value ranged from 0.49 to 6.17 h. Non-targeted analysis (suspect and unknown modes) allowed for the detection of trans-cinnamaldehyde and limonene metabolites. Benzyl alcohol, cinnamyl alcohol, cinnamic acid, p-tolylacetic acid and 4-hydoxycinnamic acid were tentatively identified as trans-cinnamaldehyde metabolites. While three limonene metabolites, carvone, limonene-1,2-epoxide, and perillyl alcohol, were tentatively identified. Greenhouse studies have not revealed any metabolites of these compounds because the parent compounds degrade more quickly.
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Affiliation(s)
- Alba Reyes-Ávila
- Research Group "Analytical Chemistry of Contaminants", Department of Chemistry and Physics, Research Centre for Mediterranean Intensive Agrosystems and Agrifood Biotechnology (CIAMBITAL), Agrifood Campus of International Excellence (ceiA3), University of Almeria, 04120 Almeria, Spain
| | - Roberto Romero-González
- Research Group "Analytical Chemistry of Contaminants", Department of Chemistry and Physics, Research Centre for Mediterranean Intensive Agrosystems and Agrifood Biotechnology (CIAMBITAL), Agrifood Campus of International Excellence (ceiA3), University of Almeria, 04120 Almeria, Spain
| | - Antonia Garrido Frenich
- Research Group "Analytical Chemistry of Contaminants", Department of Chemistry and Physics, Research Centre for Mediterranean Intensive Agrosystems and Agrifood Biotechnology (CIAMBITAL), Agrifood Campus of International Excellence (ceiA3), University of Almeria, 04120 Almeria, Spain.
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Bhanot V, Mamta, Gupta S, Panwar J. Phylloplane fungus Curvularia dactyloctenicola VJP08 effectively degrades commercially available PS product. J Environ Manage 2024; 351:119920. [PMID: 38157570 DOI: 10.1016/j.jenvman.2023.119920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 11/20/2023] [Accepted: 12/11/2023] [Indexed: 01/03/2024]
Abstract
Polystyrene (PS), a widely produced plastic with an extended carbon (C-C) backbone that resists microbial attack, is produced in enormous quantities throughout the World. Naturally occurring plasticizers such as plant cuticle and lignocelluloses share similar properties to synthetic plastics such as hydrophobicity, structural complexity, and higher recalcitrance to degradation. In due course of time, phytopathogenic fungi have evolved strategies to overcome these limitations and utilize lignocellulosic waste for their nutrition. The present investigation focuses on the utilization of phylloplane fungus, Curvularia dactyloctenicola VJP08 towards its ability to colonize and degrade commercially available PS lids. The fungus was observed to densely grow onto PS samples over an incubation period of 30 days. The morphological changes showcased extensive fungal growth with mycelial imbrication invading the PS surface for carbon extraction leading to the appearance of cracks and holes in the PS surface. It was further confirmed by EDS analysis which indicated that carbon was extracted from PS for the fungal growth. Further, 3.57% decrease in the weight, 8.8% decrease in the thickness and 2 °C decrease in the glass transition temperature (Tg) confirmed alterations in the structural integrity of PS samples by the fungal action. GC-MS/MS analysis of the treated PS samples also showed significant decrease in the concentration of benzene and associated aromatic derivatives confirming the degradation of PS samples and subsequent utilization of generated by-products by the fungus for growth. Overall, the present study confirmed the degradation and utilization of commercially available PS samples by phylloplane fungus C. dactyloctenicola VJP08. These findings establish a clear cross-assessment of the phylloplane fungi for their prospective use in the development of degradation strategies of synthetic plastics.
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Affiliation(s)
- Vishalakshi Bhanot
- Department of Biological Sciences, Birla Institute of Technology and Sciences, Pilani, 333031, Rajasthan, India
| | - Mamta
- Department of Biological Sciences, Birla Institute of Technology and Sciences, Pilani, 333031, Rajasthan, India
| | - Suresh Gupta
- Department of Chemical Engineering, Birla Institute of Technology and Science, Pilani, 333031, Rajasthan, India
| | - Jitendra Panwar
- Department of Biological Sciences, Birla Institute of Technology and Sciences, Pilani, 333031, Rajasthan, India.
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Liu J, Fan L, Yin W, Zhang S, Su X, Lin H, Yu H, Jiang Z, Sun F. Anaerobic biodegradation of azo dye reactive black 5 by a novel strain Shewanella sp. SR1: Pathway and mechanisms. Journal of Environmental Management 2023; 347:119073. [PMID: 37776795 DOI: 10.1016/j.jenvman.2023.119073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/13/2023] [Accepted: 08/30/2023] [Indexed: 10/02/2023]
Abstract
The efficiency of microbial populations in degrading refractory pollutants and the impact of adverse environmental factors often presents challenges for the biological treatment of azo dyes. In this study, the genome analysis and azo dye Reactive Black 5 (RB5) degrading capability of a newly isolated strain, Shewanella sp. SR1, were investigated. By analyzing the genome, functional genes involved in dye degradation and mechanisms for adaptation to low-temperature and high-salinity conditions were identified in SR1. The addition of co-substrates, such as glucose and yeast extract, significantly enhanced RB5 decolorization efficiency, reaching up to 87.6%. Notably, SR1 demonstrated remarkable robustness towards a wide range of NaCl concentrations (1-30 g/L) and temperatures (10-30 °C), maintaining efficient decolorization and high biomass concentration. The metabolic pathways of RB5 degradation were deduced based on the metabolites and genes detected in the genome, in which the azo bond was first cleaved by FMN-dependent NADH-azoreductase and NAD(P)H-flavin reductase, followed by deamination, desulfonation, and hydroxylation mediated by various oxidoreductases. Importantly, the degradation metabolites exhibited reduced toxicity, as revealed by toxicity analysis. These findings highlighted the great potential of Shewanella sp. SR1 for bioremediation of wastewaters contaminated with azo dyes.
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Affiliation(s)
- Jiale Liu
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Lu Fan
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Wenjun Yin
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Shusheng Zhang
- The Management Center of Wuyanling National Natural Reserve in Zhejiang, Wenzhou 325500, China
| | - Xiaomei Su
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China.
| | - Hongjun Lin
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Haiying Yu
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Zhenghai Jiang
- Zhejiang Haihe Environmental Technology Co. Ltd, Jinhua 321017, China
| | - Faqian Sun
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China.
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Zhou X, Zhang S, Wang R, An Z, Sun F, Shen C, Lin H, Su X. A novel strategy for enhancing bioremediation of polychlorinated biphenyl-contaminated soil with resuscitation promoting factor and resuscitated strain. J Hazard Mater 2023; 447:130781. [PMID: 36641851 DOI: 10.1016/j.jhazmat.2023.130781] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 01/08/2023] [Accepted: 01/10/2023] [Indexed: 06/17/2023]
Abstract
PCBs bioremediation is largely impeded by the reduced metabolic activity and degradation ability of indigenous and exogenous microorganisms. Resuscitation promoting factor (Rpf) of Micrococcus luteus, has been reported to resuscitate and stimulate the growth of PCB-degrading bacterial populations, and the resuscitated strains exhibited excellent PCB-degrading performances. Therefore, this study was conducted to assess the feasibility of supplementing Rpf (SR) or resuscitated strain LS1 (SL), or both (SRL) for enhanced bioremediation of PCB-contaminated soil. The results indicated that Rpf and/or LS1 amended soil microcosms achieved more rapid PCBs degradation, which were 1.1-3.2 times faster than control microcosms. Although soil-inoculated LS1 maintained the PCB-degrading activity, higher PCBs degradation was observed in Rpf-amended soil microcosms compared with SL. The order of enhancement effect on PCBs bioremediation was SRL > SR > SL. PCBs degradation in soil microcosms was via HOPDA-benzoate-catechol/protocatechuate pathways. The improved PCBs degradation in Rpf-amended soil microcosms was attributed to the enhanced abundances of PCB-degrading populations which were mainly belonged to Proteobacteria and Actinobacteria. These results suggest that Rpf and resuscitated strains serve as effective additive and bio-inoculant for enhanced bioremediation, providing new approaches to realizing large scale applications of in situ bioremediation.
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Affiliation(s)
- Xinru Zhou
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Shusheng Zhang
- The Management Center of Wuyanling National Natural Reserve in Zhejiang, Wenzhou 325500, China
| | - Rui Wang
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Zijing An
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Faqian Sun
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Chaofeng Shen
- Department of Environmental Engineering, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Hongjun Lin
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Xiaomei Su
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China.
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Feng Y, Wang A, Fu W, Song D. Growth performance, antioxidant response, biodegradation and transcriptome analysis of Chlorella pyrenoidosa after nonylphenol exposure. Sci Total Environ 2022; 806:150507. [PMID: 34583075 DOI: 10.1016/j.scitotenv.2021.150507] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/17/2021] [Accepted: 09/17/2021] [Indexed: 05/15/2023]
Abstract
Chlorella pyrenoidosa was exposed to nonylphenol (NP) to investigate the tolerance, antioxidant response, removal efficiency, and biodegradation mechanism. We conducted studies on algal biomass, chlorophyll a content, and photosynthetic activity, and found that C. pyrenoidosa exhibited a high tolerance even at 8 mg L-1 of NP. Changes in peroxidase (POD) and superoxide dismutase (SOD) activities indicated that the NP-induced oxidative stress caused oxidant damage, which increased the malondialdehyde (MDA) content. After culturing for 120 h, the NP removal efficiency of C. pyrenoidosa was 89%, 59%, 49%, and 48% in the 2, 4, 6, and 8 mg L-1 treatment groups, respectively. Degradation intermediates determined by GC-MS suggested that the biodegradation of NP in C. pyrenoidosa originated from the long alkyl chain. In addition, transcriptome analysis indicated that NP affected photosynthesis, antioxidase, and oxidoreductase activity-related genes. In summary, our results indicated that C. pyrenoidosa is a species that exhibits high tolerance and biodegradation capacity toward NP.
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Affiliation(s)
- Yu Feng
- College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Ao Wang
- College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Wenxian Fu
- College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Donghui Song
- College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, China; Key Laboratory of Marine Resource Chemistry and Food Technology (TUST), Ministry of Education, Tianjin 300457, China; Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin 300457, China.
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Hu K, Barbieri MV, López-García E, Postigo C, López de Alda M, Caminal G, Sarrà M. Fungal degradation of selected medium to highly polar pesticides by Trametes versicolor: kinetics, biodegradation pathways, and ecotoxicity of treated waters. Anal Bioanal Chem 2021; 414:439-449. [PMID: 33860335 DOI: 10.1007/s00216-021-03267-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 02/10/2021] [Accepted: 03/02/2021] [Indexed: 11/25/2022]
Abstract
The massive use of pesticides represents one of the main causes of environmental deterioration, as they have adverse effects on non-target organisms. Thus, the development of technologies capable of reducing their release into the environment is urgently needed. This study reports for the first time the white-rot fungus Trametes versicolor as an alternative towards the degradation of medium to highly polar pesticides such as the organophosphate malathion, and the neonicotinoids acetamiprid and imidacloprid. Specifically, T. versicolor could completely remove 1 mg/L of malathion in an Erlenmeyer flask within 48 h, while experiments of acetamiprid and imidacloprid (4 mg/L), conducted in air-pulse fluidized bioreactors, resulted in degradation percentages of 20% and 64.7%, respectively, after 7 days of operation. Enzymatic exploration studies revealed that the cytochrome P450 system, instead of the extracellular enzyme laccase, is involved in the degradation of acetamiprid and imidacloprid. The degradation pathways were proposed based on the main transformation products (TPs) formed in the solutions: seven in the case of malathion, and two and one in the case of imidacloprid and acetamiprid, respectively. Although the TPs identified were predicted to be less toxic than the investigated pesticides, the toxicity of the individual solutions slightly increased throughout the degradation process, according to the Microtox assay. However, the solution toxicity was always below the threshold established in the local regulation. Although additional research is needed to implement this treatment at a pilot plant scale, this work highlights the potential of T. versicolor to bio-remediate pesticide-contaminated waters.
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Affiliation(s)
- Kaidi Hu
- Departament d'Enginyeria Química, Biològica i Ambiental, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - Maria Vittoria Barbieri
- Water, Environmental, and Food Chemistry Unit (ENFOCHEM), Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Council for Scientific Research (CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - Ester López-García
- Water, Environmental, and Food Chemistry Unit (ENFOCHEM), Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Council for Scientific Research (CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - Cristina Postigo
- Water, Environmental, and Food Chemistry Unit (ENFOCHEM), Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Council for Scientific Research (CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - Miren López de Alda
- Water, Environmental, and Food Chemistry Unit (ENFOCHEM), Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Council for Scientific Research (CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain.
| | - Gloria Caminal
- Institut de Química Avançada de Catalunya (IQAC), CSIC, Jordi Girona 18-26, 08034, Barcelona, Spain
| | - Montserrat Sarrà
- Departament d'Enginyeria Química, Biològica i Ambiental, Escola d'Enginyeria, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
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