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Zhu M, Su Y, Wang Y, Bo Y, Sun Y, Liu Q, Zhang H, Zhao C, Gu Y. Biodegradation characteristics of p-Chloroaniline and the mechanism of co-metabolism with aniline by Pseudomonas sp. CA-1. BIORESOURCE TECHNOLOGY 2024; 406:131086. [PMID: 38977036 DOI: 10.1016/j.biortech.2024.131086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 06/26/2024] [Accepted: 07/05/2024] [Indexed: 07/10/2024]
Abstract
Co-metabolism is a promising method to optimize the biodegradation of p-Chloroaniline (PCA). In this study, Pseudomonas sp. CA-1 could reduce 76.57 % of PCA (pH = 8, 70 mg/L), and 20 mg/L aniline as the co-substrate improved the degradation efficiency by 12.50 %. Further, the response and co-metabolism mechanism of CA-1 to PCA were elucidated. The results revealed that PCA caused deformation and damage on the surface of CA-1, and the -OH belonging to polysaccharides and proteins offered adsorption sites for the contact between CA-1 and PCA. Subsequently, PCA entered the cell through transporters and was degraded by various oxidoreductases accompanied by deamination, hydroxylation, and ring-cleavage reactions. Thus, the key metabolite 4-chlorocatechol was identified and two PCA degradation pathways were proposed. Besides, aniline further enhanced the antioxidant capacity of CA-1, stimulated the expression of catechol 2,3-dioxygenase and promoted meta-cleavage efficiency of PCA. The findings provide new insights into the treatment of PCA-aniline co-pollution.
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Affiliation(s)
- Mingjun Zhu
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Yuhua Su
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Yaru Wang
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Yonglin Bo
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Yufeng Sun
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Qiyou Liu
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China; State Key Laboratory of Petroleum Pollution Control, Qingdao 266580, PR China.
| | - Hang Zhang
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Chaocheng Zhao
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China; State Key Laboratory of Petroleum Pollution Control, Qingdao 266580, PR China
| | - Yingying Gu
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China; State Key Laboratory of Petroleum Pollution Control, Qingdao 266580, PR China
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2
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Li X, Hu X, Zhao X, Wang F, Zhao Y. Modeling and optimization of triclosan biodegradation by the newly isolated Bacillus sp. DL4: kinetics and pathway speculation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:35567-35580. [PMID: 38730220 DOI: 10.1007/s11356-024-33096-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 03/22/2024] [Indexed: 05/12/2024]
Abstract
Triclosan is a widely used antibacterial agent and disinfectant, and its overuse endangered ecological safety and human health. Therefore, reducing residual TCS concentrations in the environment is an urgent issue. Bacillus sp. DL4, an aerobic bacterium with TCS biodegradability, was isolated from pharmaceutical wastewater samples. Response surface methodology (RSM) and artificial neural network (ANN) were carried out to optimize and verify the different condition variables, and the optimal growth conditions of strain DL4 were obtained (35 °C, initial pH 7.31, and 5% v/v). After 48 h of cultivation under the optimal conditions, the removal efficiency of strain DL4 on TCS was 95.89 ± 0.68%, which was consistent with the predicted values from RSM and ANN models. In addition, higher R2 value and lower MSE and ADD values indicated that the ANN model had a stronger predictive capability than the RSM model. Whole genome sequencing results showed that many functional genes were annotated in metabolic pathways related to TCS degradation (e.g., amino acid metabolism, xenobiotics biodegradation and metabolism, carbohydrate metabolism). Main intermediate metabolites were identified during the biodegradation process by liquid chromatography-mass spectrometry (LC-MS), and a possible pathway was hypothesized based on the metabolites. Overall, this study provides a theoretical foundation for the characterization and mechanism of TCS biodegradation in the environment by Bacillus sp. DL4.
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Affiliation(s)
- Xuejie Li
- School of Environmental Science and Technology, Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), Dalian University of Technology, Dalian, 116024, People's Republic of China
- School of Resource & Civil Engineering, Northeastern University, No. 11, Lane 3, Wenhua Road, P.O. Box 265, Shenyang, 110819, People's Republic of China
| | - Xiaomin Hu
- School of Resource & Civil Engineering, Northeastern University, No. 11, Lane 3, Wenhua Road, P.O. Box 265, Shenyang, 110819, People's Republic of China.
| | - Xin Zhao
- School of Resource & Civil Engineering, Northeastern University, No. 11, Lane 3, Wenhua Road, P.O. Box 265, Shenyang, 110819, People's Republic of China
| | - Fan Wang
- School of Resource & Civil Engineering, Northeastern University, No. 11, Lane 3, Wenhua Road, P.O. Box 265, Shenyang, 110819, People's Republic of China
| | - Yan Zhao
- School of Resource & Civil Engineering, Northeastern University, No. 11, Lane 3, Wenhua Road, P.O. Box 265, Shenyang, 110819, People's Republic of China
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Raj A, Kumar A, Khare PK. The looming threat of profenofos organophosphate and microbes in action for their sustainable degradation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:14367-14387. [PMID: 38291208 DOI: 10.1007/s11356-024-32159-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 01/19/2024] [Indexed: 02/01/2024]
Abstract
Organophosphates are the most extensively used class of pesticides to deal with increasing pest diversity and produce more on limited terrestrial areas to feed the ever-expanding global population. Profenofos, an organophosphate group of non-systematic insecticides and acaricides, is used to combat aphids, cotton bollworms, tobacco budworms, beet armyworms, spider mites, and lygus bugs. Profenofos was inducted into the system as a replacement for chlorpyrifos due to its lower toxicity and half-life. It has become a significant environmental concern due to its widespread presence. It accumulates in various environmental components, contaminating food, water, and air. As a neurotoxic poison, it inhibits acetylcholinesterase receptor activity, leading to dizziness, paralysis, and pest death. It also affects other eukaryotes, such as pollinators, birds, mammals, and invertebrates, affecting ecosystem functioning. Microbes directly expose themselves to profenofos and adapt to these toxic compounds over time. Microbes use these toxic compounds as carbon and energy sources and it is a sustainable and economical method to eliminate profenofos from the environment. This article explores the studies and developments in the bioremediation of profenofos, its impact on plants, pollinators, and humans, and the policies and laws related to pesticide regulation. The goal is to raise awareness about the global threat of profenofos and the role of policymakers in managing pesticide mismanagement.
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Affiliation(s)
- Aman Raj
- Metagenomics and Secretomics Research Laboratory, Department of Botany, Dr. Harisingh Gour University (A Central University), Sagar, (M.P), -470003, India
| | - Ashwani Kumar
- Metagenomics and Secretomics Research Laboratory, Department of Botany, Dr. Harisingh Gour University (A Central University), Sagar, (M.P), -470003, India.
- Metagenomics and Secretomics Research Laboratory, Department of Botany, University of Allahabad (A Central University), Prayagraj, (UP), -211002, India.
| | - Pramod Kumar Khare
- Ecology Laboratory, Department of Botany, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Madhya Pradesh, Sagar, -470003, India
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León G, Hidalgo AM, Gómez M, Gómez E, Miguel B. Efficiency, Kinetics and Mechanism of 4-Nitroaniline Removal from Aqueous Solutions by Emulsion Liquid Membranes Using Type 1 Facilitated Transport. MEMBRANES 2024; 14:13. [PMID: 38248703 PMCID: PMC10820965 DOI: 10.3390/membranes14010013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 12/22/2023] [Accepted: 12/30/2023] [Indexed: 01/23/2024]
Abstract
4-Nitroaniline (4NA) is a common organic pollutant that is released into the environment during the manufacture and processing of a wide variety of industrial products. This article describes the use of an emulsion liquid membrane process to remove 4NA from aqueous solutions using a type 1 facilitated transport mechanism. Optimization of the removal process was carried out by analyzing the efficiency of 4NA removal from the feed phase and the initial apparent feed/membrane fluxes and permeabilities under different experimental conditions. The kinetics of the removal process was analyzed using a simplified mass transfer model involving an empirical mass transfer coefficient calculated from experimental data, assuming that the concentrations of 4NA in the external aqueous phase and in the internal w/o emulsion are uniform. The results show that there is a very good fit between the experimental and model data and that the variation in the values of the overall mass transfer coefficients with the experimental conditions coincides with that of the removal efficiency mentioned above. The transport mechanism was studied by identifying the rate-controlling step of the removal process, using models described for adsorption processes, due to the strong parallelism between the transport mechanisms in adsorption and emulsion liquid membrane processes.
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Affiliation(s)
- Gerardo León
- Departamento de Ingeniería Química y Ambiental, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 30203 Cartagena, Spain;
| | - Asunción María Hidalgo
- Departamento de Ingeniería Química, Universidad de Murcia, Campus de Espinardo, 30100 Murcia, Spain; (A.M.H.); (M.G.); (E.G.)
| | - María Gómez
- Departamento de Ingeniería Química, Universidad de Murcia, Campus de Espinardo, 30100 Murcia, Spain; (A.M.H.); (M.G.); (E.G.)
| | - Elisa Gómez
- Departamento de Ingeniería Química, Universidad de Murcia, Campus de Espinardo, 30100 Murcia, Spain; (A.M.H.); (M.G.); (E.G.)
| | - Beatriz Miguel
- Departamento de Ingeniería Química y Ambiental, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 30203 Cartagena, Spain;
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Donoso-Piñol P, Briceño G, Evaristo JAM, Nogueira FCS, Leiva B, Lamilla C, Schalchli H, Diez MC. Metabolic Profiling and Comparative Proteomic Insight in Respect of Amidases during Iprodione Biodegradation. Microorganisms 2023; 11:2367. [PMID: 37894025 PMCID: PMC10608976 DOI: 10.3390/microorganisms11102367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/11/2023] [Accepted: 09/18/2023] [Indexed: 10/29/2023] Open
Abstract
The fungicide iprodione (IPR) (3-(3,5-dichlorophenyl) N-isopropyl-2,4-dioxoimidazolidine-1-carboxamide) is a highly toxic compound. Although IPR has been restricted, it is still being applied in many places around the world, constituting an environmental risk. The biodegradation of IPR is an attractive option for reducing its residues. In this study, we isolated thirteen IPR-tolerant bacteria from a biopurification system designed to treat pesticides. A study of biodegradation using different strains was comparatively evaluated, and the best degradation rate of IPR was presented by Achromobacter sp. C1 with a half-life (T1/2) of 9 days. Based on a nano-LC-MS/MS analysis for the strains, proteins solely expressed in the IPR treatment were identified by highlighting the strain Achromobacter sp. C1, with 445 proteins primarily involved in the biosynthesis of secondary metabolites and microbial metabolism in diverse environments. Differentially expressed protein amidases were involved in six metabolic pathways. Interestingly, formamidase was inhibited while other cyclases, i.e., amidase and mandelamide hydrolase, were overexpressed, thereby minimizing the effect of IPR on the metabolism of strain C1. The dynamic changes in the protein profiles of bacteria that degrade IPR have been poorly studied; therefore, our results offer new insight into the metabolism of IPR-degrading microorganisms, with special attention paid to amidases.
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Affiliation(s)
- Pamela Donoso-Piñol
- Doctoral Program in Science of Natural Resources, University of La Frontera, Temuco 4780000, Chile; (P.D.-P.); (B.L.)
| | - Gabriela Briceño
- Department of Chemistry Science and Natural Resources, University of La Frontera, Temuco 4780000, Chile
- Biotechnological Research Centre Applied to the Environment (CIBAMA-BIOREN), University of La Frontera, Temuco 4780000, Chile; (C.L.); (H.S.)
| | - Joseph A. M. Evaristo
- Laboratory of Proteomics, LADETEC, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro 22775-000, Brazil; (J.A.M.E.); (F.C.S.N.)
| | - Fábio C. S. Nogueira
- Laboratory of Proteomics, LADETEC, Institute of Chemistry, Federal University of Rio de Janeiro, Rio de Janeiro 22775-000, Brazil; (J.A.M.E.); (F.C.S.N.)
| | - Barbara Leiva
- Doctoral Program in Science of Natural Resources, University of La Frontera, Temuco 4780000, Chile; (P.D.-P.); (B.L.)
- Biotechnological Research Centre Applied to the Environment (CIBAMA-BIOREN), University of La Frontera, Temuco 4780000, Chile; (C.L.); (H.S.)
| | - Claudio Lamilla
- Biotechnological Research Centre Applied to the Environment (CIBAMA-BIOREN), University of La Frontera, Temuco 4780000, Chile; (C.L.); (H.S.)
| | - Heidi Schalchli
- Biotechnological Research Centre Applied to the Environment (CIBAMA-BIOREN), University of La Frontera, Temuco 4780000, Chile; (C.L.); (H.S.)
| | - María Cristina Diez
- Biotechnological Research Centre Applied to the Environment (CIBAMA-BIOREN), University of La Frontera, Temuco 4780000, Chile; (C.L.); (H.S.)
- Department of Chemical Engineering, University of La Frontera, Temuco 4780000, Chile
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Kurt Z, Qu Y, Spain JC. Novel catabolic pathway for 4-Nitroaniline in a Rhodococcus sp. strain JS360. JOURNAL OF HAZARDOUS MATERIALS 2023; 454:131473. [PMID: 37146325 DOI: 10.1016/j.jhazmat.2023.131473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/03/2023] [Accepted: 04/21/2023] [Indexed: 05/07/2023]
Abstract
4-Nitroaniline (4NA), the starting material for the first synthesized azo dye, is a toxic compound found in industrial wastewaters. Several bacterial strains capable of 4NA biodegradation were previously reported but the details of the catabolic pathway were not established. To search for novel metabolic diversity, we isolated a Rhodococcus sp. Strain JS360 by selective enrichment from 4NA-contaminated soil. When grown on 4NA the isolate accumulated biomass released stoichiometric amounts of nitrite and released less than stoichiometric amounts of ammonia, indicating that 4NA was used as sole carbon and nitrogen source to support growth and mineralization. Enzyme assays coupled with respirometry provided preliminary evidence that the first and second steps of 4NA degradation involve monooxygenase-catalyzed reactions followed by ring cleavage prior to deamination. Sequencing and annotation of the whole genome revealed candidate monooxygenases that were subsequently cloned and expressed in E.coli. Heterologously expressed 4NA monooxygenase (NamA) and 4-aminophenol (4AP) monooxygenase (NamB) transformed 4NA to 4AP and 4AP to 4-aminoresorcinol (4AR) respectively. The results revealed a novel pathway for nitroanilines and defined two monooxygenase mechanisms likely to be involved in the biodegradation of similar compounds.
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Affiliation(s)
- Zohre Kurt
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta 30332-0512, Georgia; Middle East Technical University, Ankara, Turkey; Florida State University Panamá, Panama.
| | - Yi Qu
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta 30332-0512, Georgia
| | - Jim C Spain
- School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta 30332-0512, Georgia; Center for Environmental Diagnostics and Bioremediation, University of West Florida, Pensacola, FL 32514-5751, United States
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Malla MA, Dubey A, Kumar A, Patil A, Ahmad S, Kothari R, Yadav S. Optimization and elucidation of organophosphorus and pyrethroid degradation pathways by a novel bacterial consortium C3 using RSM and GC-MS-based metabolomics. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
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Luminescent Cd coordination polymer based on thiazole as a dual-responsive chemosensor for 4-nitroaniline and CrO 42- in water. Sci Rep 2023; 13:269. [PMID: 36609481 PMCID: PMC9822996 DOI: 10.1038/s41598-023-27466-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 01/02/2023] [Indexed: 01/07/2023] Open
Abstract
A novel highly fluorescent cadmium metal-organic framework, [Cd (DPTTZ) (OBA)] (IUST-3), synthesized by using two linkers 2, 5-di (pyridine-4-yl) thiazolo [5, 4-d] thiazole (DPTTZ) and 4, 4'-oxybis (benzoic acid) (OBA) simultaneously, which exhibits a two-dimensional framework. The characteristics of this Cd-MOF were investigated by single-crystal X-ray diffraction, Fourier transform infrared spectroscopy, elemental analysis, powder X-ray diffraction, and thermogravimetry analysis. The IUST-3 exhibits excellent luminescence property and good stability in water. Luminescent experiments indicate that the IUST-3 has remarkable sensitivity and selectivity for the detection of 4-nitroaniline (4-NA), and CrO42- anion with KSV = 1.03 × 105 M-1 (4-NA) and KSV = 2.93 × 104 M-1 (CrO42-) and low limit of detection 0.52 µM (4-NA) and 1.37 µM (CrO42-). In addition, the possible fluorescence quenching mechanism was explored in this paper.
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