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Huizenga JM, Schindler J, Simonich MT, Truong L, Garcia-Jaramillo M, Tanguay RL, Semprini L. PAH bioremediation with Rhodococcus rhodochrous ATCC 21198: Impact of cell immobilization and surfactant use on PAH treatment and post-remediation toxicity. JOURNAL OF HAZARDOUS MATERIALS 2024; 470:134109. [PMID: 38547751 DOI: 10.1016/j.jhazmat.2024.134109] [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: 01/19/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/25/2024]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are prevalent environmental contaminants that are harmful to ecological and human health. Bioremediation is a promising technique for remediating PAHs in the environment, however bioremediation often results in the accumulation of toxic PAH metabolites. The objectives of this research were to demonstrate the cometabolic treatment of a mixture of PAHs by a pure bacterial culture, Rhodococcus rhodochrous ATCC 21198, and investigate PAH metabolites and toxicity. Additionally, the surfactant Tween ® 80 and cell immobilization techniques were used to enhance bioremediation. Total PAH removal ranged from 70-95% for fluorene, 44-89% for phenanthrene, 86-97% for anthracene, and 6.5-78% for pyrene. Maximum removal was achieved with immobilized cells in the presence of Tween ® 80. Investigation of PAH metabolites produced by 21198 revealed a complex mixture of hydroxylated compounds, quinones, and ring-fission products. Toxicity appeared to increase after bioremediation, manifesting as mortality and developmental effects in embryonic zebrafish. 21198's ability to rapidly transform PAHs of a variety of molecular structures and sizes suggests that 21198 can be a valuable microorganism for catalyzing PAH remediation. However, implementing further treatment processes to address toxic PAH metabolites should be pursued to help lower post-remediation toxicity in future studies.
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Affiliation(s)
- Juliana M Huizenga
- Oregon State University, School of Chemical, Biological, and Environmental Engineering, 105 SW 26th St, Corvallis, OR 97331, USA.
| | - Jason Schindler
- Oregon State University, Department of Environmental and Molecular Toxicology, 28645 East Hwy 34, Corvallis, OR 97333, USA.
| | - Michael T Simonich
- Oregon State University, Department of Environmental and Molecular Toxicology, 28645 East Hwy 34, Corvallis, OR 97333, USA.
| | - Lisa Truong
- Oregon State University, Department of Environmental and Molecular Toxicology, 28645 East Hwy 34, Corvallis, OR 97333, USA.
| | - Manuel Garcia-Jaramillo
- Oregon State University, Department of Environmental and Molecular Toxicology, 28645 East Hwy 34, Corvallis, OR 97333, USA.
| | - Robyn L Tanguay
- Oregon State University, Department of Environmental and Molecular Toxicology, 28645 East Hwy 34, Corvallis, OR 97333, USA.
| | - Lewis Semprini
- Oregon State University, School of Chemical, Biological, and Environmental Engineering, 105 SW 26th St, Corvallis, OR 97331, USA.
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Sánchez Á, Arrabal A, San Román M, Díaz-Colunga J. The optimization of microbial functions through rational environmental manipulations. Mol Microbiol 2024. [PMID: 38372207 DOI: 10.1111/mmi.15236] [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: 09/29/2023] [Revised: 01/19/2024] [Accepted: 01/20/2024] [Indexed: 02/20/2024]
Abstract
Microorganisms play a central role in biotechnology and it is key that we develop strategies to engineer and optimize their functionality. To this end, most efforts have focused on introducing genetic manipulations in microorganisms which are then grown either in monoculture or in mixed-species consortia. An alternative strategy to optimize microbial processes is to rationally engineer the environment in which microbes grow. The microbial environment is multidimensional, including factors such as temperature, pH, salinity, nutrient composition, etc. These environmental factors all influence the growth and phenotypes of microorganisms and they generally "interact" with one another, combining their effects in complex, non-additive ways. In this piece, we overview the origins and consequences of these "interactions" between environmental factors and discuss how they have been built into statistical, bottom-up predictive models of microbial function to identify optimal environmental conditions for monocultures and microbial consortia. We also overview alternative "top-down" approaches, such as genetic algorithms, to finding optimal combinations of environmental factors. By providing a brief summary of the state of this field, we hope to stimulate further work on the rational manipulation and optimization of the microbial environment.
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Affiliation(s)
- Álvaro Sánchez
- Department of Microbial Biotechnology, Centro Nacional de Biotecnología, CNB - CSIC, Campus de Cantoblanco, Madrid, Spain
- Instituto de Biología Funcional y Genómica, IBFG-CSIC, Universidad de Salamanca, Salamanca, Spain
| | - Andrea Arrabal
- Department of Microbial Biotechnology, Centro Nacional de Biotecnología, CNB - CSIC, Campus de Cantoblanco, Madrid, Spain
- Instituto de Biología Funcional y Genómica, IBFG-CSIC, Universidad de Salamanca, Salamanca, Spain
| | - Magdalena San Román
- Department of Microbial Biotechnology, Centro Nacional de Biotecnología, CNB - CSIC, Campus de Cantoblanco, Madrid, Spain
- Instituto de Biología Funcional y Genómica, IBFG-CSIC, Universidad de Salamanca, Salamanca, Spain
| | - Juan Díaz-Colunga
- Department of Microbial Biotechnology, Centro Nacional de Biotecnología, CNB - CSIC, Campus de Cantoblanco, Madrid, Spain
- Instituto de Biología Funcional y Genómica, IBFG-CSIC, Universidad de Salamanca, Salamanca, Spain
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Ahmad J, Marsidi N, Sheikh Abdullah SR, Hasan HA, Othman AR, Ismail N'I, Kurniawan SB. Integrating phytoremediation and mycoremediation with biosurfactant-producing fungi for hydrocarbon removal and the potential production of secondary resources. CHEMOSPHERE 2024; 349:140881. [PMID: 38048826 DOI: 10.1016/j.chemosphere.2023.140881] [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: 09/04/2023] [Revised: 11/26/2023] [Accepted: 12/01/2023] [Indexed: 12/06/2023]
Abstract
Treatment of petroleum-contaminated soil to a less toxic medium via physical and chemical treatment is too costly and requires posttreatment. This review focuses on the employment of phytoremediation and mycoremediation technologies in cleaning hydrocarbon-contaminated soil which is currently rare. It is considered environmentally beneficial and possibly cost-effective as it implements the synergistic interaction between plants and biosurfactant producing mycorrhiza to degrade hydrocarbon contaminants. This review also covers possible sources of hydrocarbon pollution in water and soil, toxicity effects, and current technologies for hydrocarbon removal and degradation. In addition to these problems, this review also discusses the challenges and opportunities of transforming the resultant treated sludge and treating plants into potential by-products for a higher quality of life for future generations.
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Affiliation(s)
- Jamilah Ahmad
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
| | - Nuratiqah Marsidi
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
| | - Siti Rozaimah Sheikh Abdullah
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
| | - Hassimi Abu Hasan
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia; Research Centre for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
| | - Ahmad Razi Othman
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
| | - Nur 'Izzati Ismail
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor, Malaysia.
| | - Setyo Budi Kurniawan
- Laboratory of Algal Biotechnology, Centre Algatech, Institute of Microbiology of the Czech Academy of Sciences, Opatovický mlýn, Novohradská 237, Třeboň, 379 81, Czech Republic.
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Wu S, Zhong J, Lei Q, Song H, Chen SF, Wahla AQ, Bhatt K, Chen S. New roles for Bacillus thuringiensis in the removal of environmental pollutants. ENVIRONMENTAL RESEARCH 2023; 236:116699. [PMID: 37481057 DOI: 10.1016/j.envres.2023.116699] [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: 05/16/2023] [Revised: 07/04/2023] [Accepted: 07/17/2023] [Indexed: 07/24/2023]
Abstract
For a long time, the well-known Gram-positive bacterium Bacillus thuringiensis (Bt) has been extensively studied and developed as a biological insecticide for Lepidoptera and Coleoptera pests due to its ability to secrete a large number of specific insecticidal proteins. In recent years, studies have found that Bt strains can also potentially biodegrade residual pollutants in the environment. Many researchers have isolated Bt strains from multiple sites polluted by exogenous compounds and characterized and identified their xenobiotic-degrading potential. Furthermore, its pathway for degradation was also investigated at molecular level, and a number of major genes/enzymes responsible for degradation have been explored. At present, a variety of xenobiotics involved in degradation in Bt have been reported, including inorganic pollutants (used in the field of heavy metal biosorption and recovery and precious metal recovery and regeneration), pesticides (chlorpyrifos, cypermethrin, 2,2-dichloropropionic acid, etc.), organic tin, petroleum and polycyclic aromatic hydrocarbons, reactive dyes (congo red, methyl orange, methyl blue, etc.), and ibuprofen, among others. In this paper, the biodegrading ability of Bt is reviewed according to the categories of related pollutants, so as to emphasize that Bt is a powerful agent for removing environmental pollutants.
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Affiliation(s)
- Siyi Wu
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Jianfeng Zhong
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Qiqi Lei
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Haoran Song
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Shao-Fang Chen
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China
| | - Abdul Qadeer Wahla
- National Institute for Biotechnology and Genetic Engineering College, Pakistan Institute of Engineering and Applied Sciences (NIBGE-C, PIEAS), Faisalabad 38000, Punjab, Pakistan
| | - Kalpana Bhatt
- Department of Food Science, Purdue University, West Lafayette, IN, USA.
| | - Shaohua Chen
- National Key Laboratory of Green Pesticide, 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, College of Plant Protection, South China Agricultural University, Guangzhou, 510642, China.
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Thacharodi A, Hassan S, Singh T, Mandal R, Chinnadurai J, Khan HA, Hussain MA, Brindhadevi K, Pugazhendhi A. Bioremediation of polycyclic aromatic hydrocarbons: An updated microbiological review. CHEMOSPHERE 2023; 328:138498. [PMID: 36996919 DOI: 10.1016/j.chemosphere.2023.138498] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/08/2023] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
A class of organic priority pollutants known as PAHs is of critical public health and environmental concern due to its carcinogenic properties as well as its genotoxic, mutagenic, and cytotoxic properties. Research to eliminate PAHs from the environment has increased significantly due to awareness about their negative effects on the environment and human health. Various environmental factors, including nutrients, microorganisms present and their abundance, and the nature and chemical properties of the PAH affect the biodegradation of PAHs. A large spectrum of bacteria, fungi, and algae have ability to degrade PAHs with the biodegradation capacity of bacteria and fungi receiving the most attention. A considerable amount of research has been conducted in the last few decades on analyzing microbial communities for their genomic organization, enzymatic and biochemical properties capable of degrading PAH. While it is true that PAH degrading microorganisms offer potential for recovering damaged ecosystems in a cost-efficient way, new advances are needed to make these microbes more robust and successful at eliminating toxic chemicals. By optimizing some factors like adsorption, bioavailability and mass transfer of PAHs, microorganisms in their natural habitat could be greatly improved to biodegrade PAHs. This review aims to comprehensively discuss the latest findings and address the current wealth of knowledge in the microbial bioremediation of PAHs. Additionally, recent breakthroughs in PAH degradation are discussed in order to facilitate a broader understanding of the bioremediation of PAHs in the environment.
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Affiliation(s)
- Aswin Thacharodi
- Department of Biochemistry, University of Otago, Dunedin, 9054, New Zealand
| | - Saqib Hassan
- Division of Non-Communicable Diseases, Indian Council of Medical Research (ICMR), New Delhi, 110029, India; Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry, 605014, India
| | - Tripti Singh
- Department of Biotechnology, Jaypee Institute of Information Technology, Noida, Uttar Pradesh, 201309, India
| | - Ramkrishna Mandal
- Department of Chemistry, University of Otago, Dunedin, 9054, New Zealand
| | - Jeganathan Chinnadurai
- Department of Research and Development, Dr. Thacharodi's Laboratories, No. 24, 5th Cross, Thanthaiperiyar Nagar, Ellapillaichavadi, Puducherry, 605005, India
| | - Hilal Ahmad Khan
- Department of Chemistry, Pondicherry University, Puducherry, 605014, India
| | - Mir Ashiq Hussain
- Department of Chemistry, Pondicherry University, Puducherry, 605014, India
| | - Kathirvel Brindhadevi
- Center for Transdisciplinary Research (CFTR), Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Arivalagan Pugazhendhi
- School of Engineering, Lebanese American University, Byblos, Lebanon; University Centre for Research & Development, Department of Civil Engineering, Chandigarh University, Mohali,140103, India.
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