1
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Jeon Y, Kwon YS, Noh YJ, Lee SM, Song JW, Kim JH, Seo JS. Unraveling the mechanisms of benzo[a]pyrene degradation by Pigmentiphaga kullae strain KIT-003 using a multi-omics approach. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 281:116665. [PMID: 38964062 DOI: 10.1016/j.ecoenv.2024.116665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 05/15/2024] [Accepted: 06/27/2024] [Indexed: 07/06/2024]
Abstract
Polycyclic aromatic hydrocarbons (PAHs), notably benzo[a]pyrene (BaP), are environmental contaminants with multiple adverse ecological implications. Numerous studies have suggested the use of BaP biodegradation using various bacterial strains to remove BaP from the environment. This study investigates the BaP biodegradation capability of Pigmentiphaga kullae strain KIT-003, isolated from the Nak-dong River (South Korea) under specific environmental conditions. The optimum conditions of biodegradation were found to be pH 7.0, 35°C, and a salinity of 0 %. GC-MS analysis suggested alternative pathways by which KIT-003 produced catechol from BaP through several intermediate metabolites, including 4-formylchrysene-5-carboxylic acid, 5,6-dihydro-5,6-dihydroxychrysene-5-carboxylic acid (isomer: 3,4-dihydro-3,4-dihydroxychrysene-4-carboxylic acid), naphthalene-1,2-dicarboxylic acid, and 2-hydroxy-1-naphthoic acid. Proteomic profiles indicated upregulation of enzymes associated with aromatic compound degradation, such as nahAc and nahB, and of those integral to the tricarboxylic acid cycle, reflecting the strain's adaptability to and degradation of BaP. Lipidomic analysis of KIT-003 demonstrated that BaP exposure induced an accumulation of glycerolipids such as diacylglycerol and triacylglycerol, indicating their crucial role in bacterial adaptation mechanisms under BaP stress. This study provides significant scientific knowledge regarding the intricate mechanisms involved in BaP degradation by microorganisms.
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Affiliation(s)
- Yoonjeong Jeon
- Environmental Safety-Assessment Center, Korea Institute of Toxicology, Jinju 52834, Republic of Korea
| | - Young Sang Kwon
- Environmental Safety-Assessment Center, Korea Institute of Toxicology, Jinju 52834, Republic of Korea
| | - Young Ji Noh
- Environmental Safety-Assessment Center, Korea Institute of Toxicology, Jinju 52834, Republic of Korea
| | - Seung-Min Lee
- Environmental Safety-Assessment Center, Korea Institute of Toxicology, Jinju 52834, Republic of Korea
| | - Jong-Wook Song
- Environmental Safety-Assessment Center, Korea Institute of Toxicology, Jinju 52834, Republic of Korea
| | - Jong-Hwan Kim
- Environmental Safety-Assessment Center, Korea Institute of Toxicology, Jinju 52834, Republic of Korea.
| | - Jong-Su Seo
- Environmental Safety-Assessment Center, Korea Institute of Toxicology, Jinju 52834, Republic of Korea.
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2
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Aso RE, Obuekwe IS. Polycyclic aromatic hydrocarbon: underpinning the contribution of specialist microbial species to contaminant mitigation in the soil. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:654. [PMID: 38913190 DOI: 10.1007/s10661-024-12778-w] [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: 03/04/2024] [Accepted: 06/06/2024] [Indexed: 06/25/2024]
Abstract
The persistence of PAHs poses a significant challenge for conventional remediation approaches, necessitating the exploration of alternative, sustainable strategies for their mitigation. This review underscores the vital role of specialized microbial species (nitrogen-fixing, phosphate-solubilizing, and biosurfactant-producing bacteria) in tackling the environmental impact of polycyclic aromatic hydrocarbons (PAHs). These resistant compounds demand innovative remediation strategies. The study explores microbial metabolic capabilities for converting complex PAHs into less harmful byproducts, ensuring sustainable mitigation. Synthesizing literature from 2016 to 2023, it covers PAH characteristics, sources, and associated risks. Degradation mechanisms by bacteria and fungi, key species, and enzymatic processes are examined. Nitrogen-fixing and phosphate-solubilizing bacteria contributions in symbiotic relationships with plants are highlighted. Biosurfactant-producing bacteria enhance PAH solubility, expanding microbial accessibility for degradation. Cutting-edge trends in omics technologies, synthetic biology, genetic engineering, and nano-remediation offer promising avenues. Recommendations emphasize genetic regulation, field-scale studies, sustainability assessments, interdisciplinary collaboration, and knowledge dissemination. These insights pave the way for innovative, sustainable PAH-contaminated environment restoration.
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Affiliation(s)
- Rufus Emamoge Aso
- Department of Microbiology, Faculty of Life Sciences, University of Benin, Benin, Edo State, Nigeria
| | - Ifeyinwa Sarah Obuekwe
- Department of Microbiology, Faculty of Life Sciences, University of Benin, Benin, Edo State, Nigeria.
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3
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Gupta S, Pathak B, Ravi RK. Biodegradation of Naphthalene Using Biosurfactant Producing Fusarium proliferatum WC416 Isolated from Refinery Effluent. Appl Biochem Biotechnol 2024; 196:2549-2565. [PMID: 36689160 DOI: 10.1007/s12010-023-04364-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/10/2023] [Indexed: 01/24/2023]
Abstract
Naphthalene is one of the priority pollutants in the environment which can effectively managed through bioremediation approach. Here fungal remediation of PAHs may be cost-effective technology. In present research study, biodegradation of naphthalene at varying concentrations in laboratory scale was investigated using Fusarium proliferatum WC416 isolated from refinery effluent. Degradation of naphthalene was computed by high-performance liquid chromatography (HPLC) and gas chromatography -mass spectroscopy (GC-MS). The results show that Fusarium proliferatum WC416 has effectively degraded the naphthalene to salicylamide and salicylic acid. The highest degradation achieved was 83% for the concentration of 100 ppm followed 74% and 63% for the concentration of 250 ppm and 500 ppm respectively. The intermediates confirmed by GC-MS were salicylic acid (m/z identification 138) and salicylamide (m/z identification 137). During the study, fungal growth, COD, pH, and surface tension have been monitored, which show the continuous variation that indicates progressive biodegradation of naphthalene. The qualitative assessment of extracellular enzymes shows positive activity for lipase, manganese peroxidase, and laccase. The present study also assessed the biosurfactant production by fungus which was characterized as sophorolipid in nature. The study suggests that Fusarium proliferatum WC416 would be an efficient degrader of naphthalene for environmental clean-up.
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Affiliation(s)
- Shalini Gupta
- School of Environment and Sustainable Development, Central University of Gujarat, Sector 30, Gandhinagar, 382030, Gujarat, India.
| | - Bhawana Pathak
- School of Environment and Sustainable Development, Central University of Gujarat, Sector 30, Gandhinagar, 382030, Gujarat, India
| | - Raman Kumar Ravi
- Department of Molecular Biology, Zen Health Services, Gurugram, Haryana- 122003, India
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4
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Banerjee S, Gupta N, Pramanik K, Gope M, GhoshThakur R, Karmakar A, Gogoi N, Hoque RR, Mandal NC, Balachandran S. Microbes and microbial strategies in carcinogenic polycyclic aromatic hydrocarbons remediation: a systematic review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:1811-1840. [PMID: 38063960 DOI: 10.1007/s11356-023-31140-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/16/2023] [Indexed: 01/18/2024]
Abstract
Degradation, detoxification, or removal of the omnipresent polycyclic aromatic hydrocarbons (PAHs) from the ecosphere as well as their prevention from entering into food chain has never appeared simple. In this context, cost-effective, eco-friendly, and sustainable solutions like microbe-mediated strategies have been adopted worldwide. With this connection, measures have been taken by multifarious modes of microbial remedial strategies, i.e., enzymatic degradation, biofilm and biosurfactant production, application of biochar-immobilized microbes, lactic acid bacteria, rhizospheric-phyllospheric-endophytic microorganisms, genetically engineered microorganisms, and bioelectrochemical techniques like microbial fuel cell. In this review, a nine-way directional approach which is based on the microbial resources reported over the last couple of decades has been described. Fungi were found to be the most dominant taxa among the CPAH-degrading microbial community constituting 52.2%, while bacteria, algae, and yeasts occupied 37.4%, 9.1%, and 1.3%, respectively. In addition to these, category-wise CPAH degrading efficiencies of each microbial taxon, consortium-based applications, CPAH degradation-related molecular tools, and factors affecting CPAH degradation are the other important aspects of this review in light of their appropriate selection and application in the PAH-contaminated environment for better human-health management in order to achieve a sustainable ecosystem.
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Affiliation(s)
- Sandipan Banerjee
- Mycology and Plant Pathology Laboratory, Department of Botany, Visva-Bharati, Santiniketan, 731235, West Bengal, India
| | - Nitu Gupta
- Department of Environmental Science, Tezpur University, Napaam, Tezpur, Assam, 784028, India
| | - Krishnendu Pramanik
- Microbiology and Microbial Bioinformatics Laboratory, Department of Botany, Cooch Behar Panchanan Barma University, Panchanan Nagar, Vivekananda Street, Cooch Behar, 736101, West Bengal, India
| | - Manash Gope
- Department of Environmental Science, The University of Burdwan, Golapbag, 713104, West Bengal, India
| | - Richik GhoshThakur
- Department of Environmental Studies, Visva-Bharati, Santiniketan, 731235, West Bengal, India
| | - Animesh Karmakar
- Department of Chemistry, Visva-Bharati, Santiniketan, 731235, West Bengal, India
| | - Nayanmoni Gogoi
- Department of Environmental Science, Tezpur University, Napaam, Tezpur, Assam, 784028, India
| | - Raza Rafiqul Hoque
- Department of Environmental Science, Tezpur University, Napaam, Tezpur, Assam, 784028, India
| | - Narayan Chandra Mandal
- Mycology and Plant Pathology Laboratory, Department of Botany, Visva-Bharati, Santiniketan, 731235, West Bengal, India
| | - Srinivasan Balachandran
- Department of Environmental Studies, Visva-Bharati, Santiniketan, 731235, West Bengal, India.
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Zhang W, Li Q, Wang J, Wang Z, Zhan H, Yu X, Zheng Y, Xiao T, Zhou LW. Biodegradation of Benzo[a]pyrene by a White-Rot Fungus Phlebia acerina: Surfactant-Enhanced Degradation and Possible Genes Involved. J Fungi (Basel) 2023; 9:978. [PMID: 37888234 PMCID: PMC10607704 DOI: 10.3390/jof9100978] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/19/2023] [Accepted: 09/26/2023] [Indexed: 10/28/2023] Open
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are persistent environmental pollutants that pose a threat to human health. Among these PAHs, benzo[a]pyrene (BaP), a five-ring compound, exhibits high resistance to biodegradation. White-rot fungus Phlebia acerina S-LWZ20190614-6 has demonstrated higher BaP degradation capabilities compared with Phanerochaete chrysosporium and P. sordida YK-624, achieving a degradation rate of 57.7% after 32 days of incubation under a ligninolytic condition. To further enhance the biodegradation rate, three nonionic surfactants were used, and the addition of 1 or 2 g·L-1 of polyethylene glycol monododecyl ether (Brij 30) resulted in nearly complete BaP biodegradation by P. acerina S-LWZ20190614-6. Interestingly, Brij 30 did not significantly affect the activity of manganese peroxidase and lignin peroxidase, but it did decrease laccase activity. Furthermore, the impact of cytochrome P450 on BaP degradation by P. acerina S-LWZ20190614-6 was found to be relatively mild. Transcriptomic analysis provided insights into the degradation mechanism of BaP, revealing the involvement of genes related to energy production and the synthesis of active enzymes crucial for BaP degradation. The addition of Brij 30 significantly upregulated various transferase and binding protein genes in P. acerina S-LWZ20190614-6. Hence, the bioremediation potential of BaP by the white-rot fungus P. acerina S-LWZ20190614-6 holds promise and warrants further exploration.
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Affiliation(s)
- Wenquan Zhang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Qiaoyu Li
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Jianqiao Wang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Ziyu Wang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Hongjie Zhan
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Xiaolong Yu
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yan Zheng
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Tangfu Xiao
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu 610059, China
| | - Li-Wei Zhou
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
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6
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Zou X, Su Q, Yi Q, Guo L, Chen D, Wang B, Li Y, Li J. Determining the degradation mechanism and application potential of benzopyrene-degrading bacterium Acinetobacter XS-4 by screening. JOURNAL OF HAZARDOUS MATERIALS 2023; 456:131666. [PMID: 37236106 DOI: 10.1016/j.jhazmat.2023.131666] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/19/2023] [Accepted: 05/18/2023] [Indexed: 05/28/2023]
Abstract
In industrial wastewater treatment, organic pollutants are usually removed by in-situ microorganisms and exogenous bactericides. Benzo [a] pyrene (BaP) is a typical persistent organic pollutant and difficult to be removed. In this study, a new strain of BaP degrading bacteria Acinetobacter XS-4 was obtained and the degradation rate was optimized by response surface method. The results showed that the degradation rate of BaP was 62.73% when pH= 8, substrate concentration was 10 mg/L, temperature was 25 °C, inoculation amount was 15% and culture rate was 180 r/min. Its degradation rate was better than that of the reported degrading bacteria. XS-4 is active in the degradation of BaP. BaP is degraded into phenanthrene by 3, 4-dioxygenase (α subunit and β subunit) in pathway Ⅰ and rapidly forms aldehydes, esters and alkanes. The pathway Ⅱ is realized by the action of salicylic acid hydroxylase. When sodium alginate and polyvinyl alcohol were added to the actual coking wastewater to immobilize XS-4, the degradation rate of BaP was 72.68% after 7 days, and the removal effect was better than that of single BaP wastewater (62.36%), which has the application potential. This study provides theoretical and technical support for microbial degradation of BaP in industrial wastewater.
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Affiliation(s)
- Xiaoshuang Zou
- College of Resources and Environmental Engineering, Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Qi Su
- College of Resources and Environmental Engineering, Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Qianwen Yi
- College of Resources and Environmental Engineering, Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Ling Guo
- Environmental Testing Department of Guizhou Provincial Testing Technology Research and Application Center, Guiyang 550000, China
| | - Diyong Chen
- Environmental Testing Department of Guizhou Provincial Testing Technology Research and Application Center, Guiyang 550000, China
| | - Bin Wang
- College of Civil Engineering, Guizhou University, Guiyang 550025, China
| | - Yancheng Li
- College of Resources and Environmental Engineering, Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China; Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guiyang 550025, China
| | - Jiang Li
- College of Resources and Environmental Engineering, Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang 550025, China; Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guiyang 550025, China.
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7
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Bokade P, Bajaj A. Molecular advances in mycoremediation of polycyclic aromatic hydrocarbons: Exploring fungal bacterial interactions. J Basic Microbiol 2023; 63:239-256. [PMID: 36670077 DOI: 10.1002/jobm.202200499] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 11/15/2022] [Accepted: 12/18/2022] [Indexed: 01/22/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous high global concern environmental pollutants and tend to bioaccumulate due to hydrophobic properties. These xenobiotics, having variable concentrations along different matrices, gradually undergo various physical, chemical, and biological transformation processes. Myco-remediation aids accelerated degradation by effectively transforming complex ring structures to oxidized/hydroxylated intermediates, which can further funnel to bacterial degradation pathways. Exploitation of such complementing fungal-bacterial enzymatic activity can overcome certain limitations of incomplete bioremediation process. Furthermore, high-throughput molecular methods can be employed to unveil community structure, taxon abundance, coexisting community interactions, and metabolic pathways under stressed conditions. The present review critically discusses the role of different fungal phyla in PAHs biotransformation and application of fungal-bacterial cocultures for enhanced mineralization. Moreover, recent advances in bioassays for PAH residue detection, monitoring, developing xenobiotics stress-tolerant strains, and application of fungal catabolic enzymes are highlighted. Application of next-generation sequencing methods to reveal complex ecological networks based on microbial community interactions and data analysis bias in performing such studies is further discussed in detail. Conclusively, the review underscores the application of mixed-culture approach by critically highlighting in situ fungal-bacterial community nexus and its role in complete mineralization of PAHs for the management of contaminated sites.
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Affiliation(s)
- Priyanka Bokade
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nagpur, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Abhay Bajaj
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nagpur, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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8
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Humel S, Führer B, Svetitsch M, Mayer P, Loibner AP. Targeting sorbed PAHs in historically contaminated soil - Can laccase mediator systems or Fenton's reagent remove inaccessible PAHs? JOURNAL OF HAZARDOUS MATERIALS 2023; 443:130286. [PMID: 36444048 DOI: 10.1016/j.jhazmat.2022.130286] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 10/06/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
This laboratory study investigates the potential of two innovative laccase-mediator systems for removing PAHs from historically contaminated field soil and focuses on the treatment effect on the accessible and desorption resistant PAH fraction. Laccase degraded accessible PAHs when applied in combination with the mediator TEMPO (up to 24 % within 48 h). The mediator HBT did not induce degradation but mobilized desorption resistant PAHs from high affinity sorption sites via a competitive sorption mechanism. Enzymatic degradation of inaccessible PAHs was not observed with neither of the two enzyme-mediator systems. To verify a potential radical susceptibility of contaminants inaccessible to microorganisms, PAH contaminated biochar was treated with hydroxyl radicals generated by Fenton's reaction. These radical species reduced the desorption resistant fraction of phenanthrene (13 ± 10 %), fluoranthene (33 ± 8 %) and benzo(a)pyrene (69 ± 5 %). In conclusion, laccase-mediator systems can interact with accessible and inaccessible PAHs, whereas direct degradation of desorption resistant contaminants required highly active hydroxyl radicals. Further studies should develop enzyme-mediator systems establishing a sufficient oxidation potential to attack the desorption resistant contaminant fraction.
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Affiliation(s)
- Stefan Humel
- Institute of Environmental Biotechnology, BOKU - University of Natural Resources and Life Sciences, Vienna, A-3430 Tulln, Austria
| | - Bernadette Führer
- Institute of Environmental Biotechnology, BOKU - University of Natural Resources and Life Sciences, Vienna, A-3430 Tulln, Austria
| | - Michaela Svetitsch
- Institute of Environmental Biotechnology, BOKU - University of Natural Resources and Life Sciences, Vienna, A-3430 Tulln, Austria
| | - Philipp Mayer
- Department of Environmental and Resource Engineering, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Andreas P Loibner
- Institute of Environmental Biotechnology, BOKU - University of Natural Resources and Life Sciences, Vienna, A-3430 Tulln, Austria.
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9
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Marzuki I, Rosmiati R, Mustafa A, Sahabuddin S, Tarunamulia T, Susianingsih E, Hendrajat EA, Sahrijanna A, Muslimin M, Ratnawati E, Kamariah K, Nisaa K, Herlambang S, Gunawan S, Santi IS, Isnawan BH, Kaseng ES, Septiningsih E, Asaf R, Athirah A, Basri B. Potential Utilization of Bacterial Consortium of Symbionts Marine Sponges in Removing Polyaromatic Hydrocarbons and Heavy Metals, Review. BIOLOGY 2023; 12:86. [PMID: 36671778 PMCID: PMC9855174 DOI: 10.3390/biology12010086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/17/2022] [Accepted: 12/08/2022] [Indexed: 01/07/2023]
Abstract
Toxic materials in waste generally contain several components of the global trending pollutant category, especially PAHs and heavy metals. Bioremediation technology for waste management that utilizes microorganisms (bacteria) has not been fully capable of breaking down these toxic materials into simple and environmentally friendly chemical products. This review paper examines the potential application of a consortium of marine sponge symbionts with high performance and efficiency in removing PAHs and heavy metal contaminants. The method was carried out through a review of several related research articles by the author and published by other researchers. The results of the study conclude that the development of global trending pollutant (GTP) bioremediation technology could be carried out to increase the efficiency of remediation. Several types of marine sponge symbiont bacteria, hydrocarbonoclastic (R-1), metalloclastic (R-2), and metallo-hydro-carbonoclastic (R-3), have the potential to be applied to improve waste removal performance. A consortium of crystalline bacterial preparations is required to mobilize into GTP-exposed sites rapidly. Bacterial symbionts of marine sponges can be traced mainly to sea sponges, whose body surface is covered with mucus.
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Affiliation(s)
- Ismail Marzuki
- Department of Chemical Engineering, Fajar University, Makassar 90231, South Sulawesi, Indonesia
| | - Rosmiati Rosmiati
- Research Center for Fishery National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Akhmad Mustafa
- Research Center for Fishery National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Sahabuddin Sahabuddin
- Research Center for Fishery National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Tarunamulia Tarunamulia
- Research Center for Fishery National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Endang Susianingsih
- Research Center for Fishery National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Erfan Andi Hendrajat
- Research Center for Fishery National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Andi Sahrijanna
- Research Center for Fishery National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Muslimin Muslimin
- Research Center for Fishery National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Erna Ratnawati
- Research Center for Fishery National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Kamariah Kamariah
- Research Center for Fishery National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Khairun Nisaa
- Research Center for Fishery National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Susila Herlambang
- Soil Science Departement of Agriculture Faculty Universitas Pembangunan Nasional Veteran, Yogyakarta 55283, DI Yogyakarta, Indonesia
| | - Sri Gunawan
- Department of Agrotechnology, Institut Pertanian Stiper, Yogyakarta 55283, DI Yogyakarta, Indonesia
| | - Idum Satia Santi
- Department of Agrotechnology, Institut Pertanian Stiper, Yogyakarta 55283, DI Yogyakarta, Indonesia
| | - Bambang Heri Isnawan
- Department of Agrotechnology, Universitas Muhammadiyah Yogyakarta, Bantul 55183, DI Yogyakarta, Indonesia
| | - Ernawati Syahruddin Kaseng
- Agricultural Technology Education Department, Faculty of Engineering, Makassar State University, Makassar 90222, South Sulawesi, Indonesia
| | - Early Septiningsih
- Research Center for Conservation of Marine and Inland Water Resources, National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Ruzkiah Asaf
- Research Center for Conservation of Marine and Inland Water Resources, National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Admi Athirah
- Research Center for Conservation of Marine and Inland Water Resources, National Research and Innovation Agency, Cibinong 16911, West Java, Indonesia
| | - Basri Basri
- Institute of Health Science (STIK), Makassar 90231, South Sulawesi, Indonesia
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10
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Becerril Mercado JE, García de Llasera MP, Méndez García M. Size Exclusion Chromatography Protein Profile of Selenastrum capricornutum Culture Extracts Degrading Benzo( a)Pyrene. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2159987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- José Eduardo Becerril Mercado
- Departamento de Química Analítica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, México, México
| | - Martha Patricia García de Llasera
- Departamento de Química Analítica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, México, México
| | - Manuel Méndez García
- Departamento de Química Analítica, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, México, México
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11
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Yakovleva EV, Gabov DN. Temporal Changes in the Content of Polyarenes in Samples of the Seasonally Thawed Layer from Tundra Peatlands during a Model Experiment. BIOL BULL+ 2022. [DOI: 10.1134/s1062359022050211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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12
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Tomar RS, Rai-Kalal P, Jajoo A. Impact of polycyclic aromatic hydrocarbons on photosynthetic and biochemical functions and its bioremediation by Chlorella vulgaris. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Marzuki I, Septiningsih E, Kaseng ES, Herlinah H, Sahrijanna A, Sahabuddin S, Asaf R, Athirah A, Isnawan BH, Samidjo GS, Rumagia F, Hamidah E, Santi IS, Nisaa K. Investigation of Global Trends of Pollutants in Marine Ecosystems around Barrang Caddi Island, Spermonde Archipelago Cluster: An Ecological Approach. TOXICS 2022; 10:toxics10060301. [PMID: 35736909 PMCID: PMC9229392 DOI: 10.3390/toxics10060301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 05/27/2022] [Accepted: 05/27/2022] [Indexed: 12/24/2022]
Abstract
High-quality marine ecosystems are free from global trending pollutants’ (GTP) contaminants. Accuracy and caution are needed during the exploitation of marine resources during marine tourism to prevent future ecological hazards that cause chain effects on aquatic ecosystems and humans. This article identifies exposure to GTP: microplastic (MP); polycyclic aromatic hydrocarbons (PAH); pesticide residue (PR); heavy metal (HM); and medical waste (MW), in marine ecosystems in the marine tourism area (MTA) area and Barrang Caddi Island (BCI) waters. A combination of qualitative and quantitative analysis methods were used with analytical instruments and mathematical formulas. The search results show the average total abundance of MPs in seawater (5.47 units/m3) and fish samples (7.03 units/m3), as well as in the sediment and sponge samples (8.18 units/m3) and (8.32 units/m3). Based on an analysis of the polymer structure, it was identified that the dominant light group was MPs: polyethylene (PE); polypropylene (PP); polystyrene (PS); followed by polyamide-nylon (PA); and polycarbonate (PC). Several PAH pollutants were identified in the samples. In particular, naphthalene (NL) types were the most common pollutants in all of the samples, followed by pyrene (PN), and azulene (AZ). Pb+2 and Cu+2 pollutants around BCI were successfully calculated, showing average concentrations in seawater of 0.164 ± 0.0002 mg/L and 0.293 ± 0.0007 mg/L, respectively, while in fish, the concentrations were 1.811 ± 0.0002 µg/g and 4.372 ± 0.0003 µg/g, respectively. Based on these findings, the BCI area is not recommended as a marine tourism destination.
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Affiliation(s)
- Ismail Marzuki
- Department of Chemical Engineering, Fajar University, Makassar 90231, South Sulawesi, Indonesia
- Correspondence:
| | - Early Septiningsih
- Research Institute for Coastal Aquaculture and Fisheries Extension, Maros 90512, South Sulawesi, Indonesia; (E.S.); (E.S.K.); (H.H.); (A.S.); (S.S.); (R.A.); (A.A.)
| | - Ernawati Syahruddin Kaseng
- Research Institute for Coastal Aquaculture and Fisheries Extension, Maros 90512, South Sulawesi, Indonesia; (E.S.); (E.S.K.); (H.H.); (A.S.); (S.S.); (R.A.); (A.A.)
| | - Herlinah Herlinah
- Research Institute for Coastal Aquaculture and Fisheries Extension, Maros 90512, South Sulawesi, Indonesia; (E.S.); (E.S.K.); (H.H.); (A.S.); (S.S.); (R.A.); (A.A.)
| | - Andi Sahrijanna
- Research Institute for Coastal Aquaculture and Fisheries Extension, Maros 90512, South Sulawesi, Indonesia; (E.S.); (E.S.K.); (H.H.); (A.S.); (S.S.); (R.A.); (A.A.)
| | - Sahabuddin Sahabuddin
- Research Institute for Coastal Aquaculture and Fisheries Extension, Maros 90512, South Sulawesi, Indonesia; (E.S.); (E.S.K.); (H.H.); (A.S.); (S.S.); (R.A.); (A.A.)
| | - Ruzkiah Asaf
- Research Institute for Coastal Aquaculture and Fisheries Extension, Maros 90512, South Sulawesi, Indonesia; (E.S.); (E.S.K.); (H.H.); (A.S.); (S.S.); (R.A.); (A.A.)
| | - Admi Athirah
- Research Institute for Coastal Aquaculture and Fisheries Extension, Maros 90512, South Sulawesi, Indonesia; (E.S.); (E.S.K.); (H.H.); (A.S.); (S.S.); (R.A.); (A.A.)
| | - Bambang Heri Isnawan
- Department of Agrotechnology, Universitas Muhammadiyah Yogyakarta, Bantul 55183, DI Yogyakarta, Indonesia; (B.H.I.); (G.S.S.)
| | - Gatot Supangkat Samidjo
- Department of Agrotechnology, Universitas Muhammadiyah Yogyakarta, Bantul 55183, DI Yogyakarta, Indonesia; (B.H.I.); (G.S.S.)
| | - Faizal Rumagia
- Study Program of Fisheries Resource Utilization, Faculty of Fisheries and Marine, Khairun University, Ternate 97719, North Maluku, Indonesia;
| | - Emmy Hamidah
- Department of Agrotechnology, Universitas Islam Darul ‘Ulum, Lamongan 62253, Jawa Timur, Indonesia;
| | - Idum Satia Santi
- Department of Agrotechnology, Institut Pertanian Stiper, Yogyakarta 55283, DI Yogyakarta, Indonesia;
| | - Khairun Nisaa
- National Research and Innovation Agency (BRIN), Jakarta 10340, DKI, Indonesia;
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Hedfi A, Ali MB, Noureldeen A, Almalki M, Rizk R, Mahmoudi E, Plăvan G, Pacioglu O, Boufahja F. Effects of benzo(a)pyrene on meiobenthic assemblage and biochemical biomarkers in an Oncholaimus campylocercoides (Nematoda) microcosm. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:16529-16548. [PMID: 34651273 DOI: 10.1007/s11356-021-16885-w] [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: 05/24/2021] [Accepted: 09/30/2021] [Indexed: 06/13/2023]
Abstract
A microcosm experiment was carried out to determine how benzo(a)pyrene (BaP) may affect marine meiofauna community, with a main emphasis on nematode structure and functional traits. Three increasing concentrations of BaP (i.e. 100, 200 and 300 ng/l, respectively) were used for 30 days. The results revealed a gradual decrease in the abundance of all meiobenthic groups (i.e. nematodes, copepods, amphipods, polychaetes and oligochaetes), except for isopods. Starting at concentrations of 200 and 300 ng/l BaP, respectively, significant changes were observed at community level. At taxonomic level, the nematode communities were dominated at the start of the experiment and also after being exposed or not to BaP by Odontophora villoti, explicable through its high ecologic ubiquity and the presence of well-developed chemosensory organs (i.e. amphids), which potentially increased the avoidance reaction following exposure to this hydrocarbon. Moreover, changes in the activity of several biochemical biomarkers (i.e. catalase 'CAT', gluthatione S-transferase 'GST', and ethoxyresorufin-O-deethylase 'EROD') were observed in the nematode species Oncholaimus campylocercoides, paralleled by significant decreases in CAT activity for non-gravid females compared to controls at concentrations of 25 ng/l BaP and associated with significant increase in GST and EROD activities for both types of individuals.
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Affiliation(s)
- Amor Hedfi
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Manel Ben Ali
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Ahmed Noureldeen
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Mohammed Almalki
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Roquia Rizk
- Research Centre for Biochemical, Environmental and Chemical Engineering, Sustainability Solutions Research Lab, University of Pannonia, Egyetem str. 10, 8200, Veszprém, Hungary
- Biochemisrty Department, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Ezzeddine Mahmoudi
- Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, University of Carthage, 7021, Zarzouna, Tunisia
| | - Gabriel Plăvan
- Faculty of Biology, Alexandru Ioan Cuza University of Iasi, Iasi, Romania
| | - Octavian Pacioglu
- National Institute of Research and Development for Biological Sciences, Bucharest, Romania
| | - Fehmi Boufahja
- Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, University of Carthage, 7021, Zarzouna, Tunisia.
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An insight on microbial degradation of benzo[a]pyrene: current status and advances in research. World J Microbiol Biotechnol 2022; 38:61. [PMID: 35199223 DOI: 10.1007/s11274-022-03250-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 02/11/2022] [Indexed: 12/21/2022]
Abstract
Benzo[a]pyrene (BaP) is a high molecular weight polycyclic aromatic hydrocarbon produced as a result of incomplete combustion of organic substances. Over the years, the release of BaP in the atmosphere has increased rapidly, risking human lives. BaP can form bonds with DNA leading to the formation of DNA adducts thereby causing cancer. Therefore addressing the problem of its removal from the environment is quite pertinent though it calls for a very cumbersome and tedious process owing to its recalcitrant nature. To resolve such issues many efforts have been made to develop physical and chemical technologies of BaP degradation which have neither been cost-effective nor eco-friendly. Microbial degradation of BaP, on the other hand, has gained much attention due to added advantage of the high level of microbial diversity enabling great potential to degrade the substance without impairing environmental sustainability. Microorganisms produce enzymes like oxygenases, hydrolases and cytochrome P450 that enable BaP degradation. However, microbial degradation of BaP is restricted due to several factors related to its bio-availability and soil properties. Technologies like bio-augmentation and bio-stimulation have served to enhance the degradation rate of BaP. Besides, advanced technologies such as omics and nano-technology have opened new doors for a better future of microbial degradation of BaP and related compounds.
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Brazkova M, Koleva R, Angelova G, Yemendzhiev H. Ligninolytic enzymes in Basidiomycetes and their application in xenobiotics degradation. BIO WEB OF CONFERENCES 2022. [DOI: 10.1051/bioconf/20224502009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Variety of microorganisms have already proven their capabilities for degradation of wide range of wastes with anthropogenic nature. These pollutants, both liquid and solids, also include so called xenobiotics like phenol and its derivatives, PAHs, dyes, pesticides, pharmaceuticals, etc. Xenobiotics as bisphenol A (BPA), chlorhexidine (CHX), octenidine (OCT), other disinfectants and antiseptics have high ecotoxicological impact. Moreover, they can also impair our quality of life and our health interfering different metabolic and hormone receptors pathways in human body. Chemical treatment of such wastes is not a viable option because of its poor socio-economics and environmental merits. Therefore, applying effective, ecofriendly and cheap treatment methods is of great importance. Basidiomycetes are extensively investigated for their abilities to degrade numerous pollutants and xenobiotics. Through their extracellular ligninolytic enzymes they are capable of reducing or completely removing wide range of hazardous compounds. These enzymes can be categorized in two groups: oxidases (laccase) and peroxidases (manganese peroxidase, lignin peroxidase, versatile peroxidase). Due to the broad substrate specificity of the secreted enzymes Basidiomycetes can be applied as a powerful tool for bioremediation of diverse xenobiotics and recalcitrant compounds.
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Urano N, Matsushima A, Yamamoto S, Endo R, Ishida M, Okai M, Takei T, Takashio M. Comparison of Benzo[a]pyrene-Degrading Activities between Olleya sp. ITB9 Isolated from Tokyo Bay and Other Type Strains of the Genus Olleya. Biocontrol Sci 2022; 26:217-219. [PMID: 35013019 DOI: 10.4265/bio.26.217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Benzo[a]pyrene (BaP) is one of the strongest carcinogenic compounds among polycyclicaromatic hydrocarbons (PAHs) .We previously identified the ITB9 strain of Olleya species, which shows BaP-degrading activity; our report was the first about BaP degradation by the genus Olleya. In this study, BaP-degradation efficiency by ITB9 was about 50% when the strain was suspended in 20 ml of L9 liquid medium with 100 μg/ml BaP and 0.2 M NaCl, with pH 8.0, and incubated at 25℃ for 5 days. Under the same conditions, all four type strains (O. marilimosa CIP108537, O. aquimaris KCTC22661, O. namhaensis KCTC23673, and O. algicola KCTC22024) also showed BaP-degrading activities, at efficiencies ranging from 49% to 63%. Olleya sp. ITB9 and O. aquimaris KCTC22661 were found to be in the same clade in the phylogenetic tree of the genus Olleya, given that the homology of 16S rRNA gene sequences between ITB9 and KCTC22661 was 99.77%.
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Affiliation(s)
- Naoto Urano
- Laboratory of Marine Biochemistry, Department of Ocean Sciences, Tokyo University of Marine Science and Technology
| | - Aya Matsushima
- Laboratory of Marine Biochemistry, Department of Ocean Sciences, Tokyo University of Marine Science and Technology
| | - Shione Yamamoto
- Laboratory of Marine Biochemistry, Department of Ocean Sciences, Tokyo University of Marine Science and Technology
| | - Rintaro Endo
- Laboratory of Marine Biochemistry, Department of Ocean Sciences, Tokyo University of Marine Science and Technology
| | - Masami Ishida
- Laboratory of Marine Biochemistry, Department of Ocean Sciences, Tokyo University of Marine Science and Technology
| | - Masahiko Okai
- Laboratory of Marine Biochemistry, Department of Ocean Sciences, Tokyo University of Marine Science and Technology
| | - Toshinori Takei
- Zensho Laboratories of Food Technology, Zensho Holdings Co., Ltd
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Imam A, Kumar Suman S, Kanaujia PK, Ray A. Biological machinery for polycyclic aromatic hydrocarbons degradation: A review. BIORESOURCE TECHNOLOGY 2022; 343:126121. [PMID: 34653630 DOI: 10.1016/j.biortech.2021.126121] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/08/2021] [Accepted: 10/09/2021] [Indexed: 06/13/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are hazardous environmental pollutants with widespread and well-recognized health concerns. Amidst more than a hundred known PAHs, 16 are categorized as priority pollutants. Use of widely diverse biological machinery comprising bacteria, fungi, and algae harnessed from contaminated sites has emerged as an ecologically safe and sustainable approach for PAH degradation. The potential of these biological systems has been thoroughly examined to maximize the degradation of specific PAHs by understanding their detailed biochemical pathways, enzymatic system, and gene organization. Recent advancements in microbial genetic engineering and metabolomics using modern analytical tools have facilitated the bioremediation of such xenobiotics. This review explores the role of microbes, their biochemical pathways, genetic regulation of metabolic pathways, and the effect of biosurfactants against the backdrop of PAH substrate structures.
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Affiliation(s)
- Arfin Imam
- Analytical Sciences Division, CSIR-Indian Institute of Petroleum, Haridwar Road, Dehradun 248005, Uttarakhand, India; Material Resource Efficiency Division, CSIR-Indian Institute of Petroleum, Haridwar Road, Dehradun 248005, Uttarakhand, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad 201002, India
| | - Sunil Kumar Suman
- Material Resource Efficiency Division, CSIR-Indian Institute of Petroleum, Haridwar Road, Dehradun 248005, Uttarakhand, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad 201002, India
| | - Pankaj K Kanaujia
- Analytical Sciences Division, CSIR-Indian Institute of Petroleum, Haridwar Road, Dehradun 248005, Uttarakhand, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad 201002, India
| | - Anjan Ray
- Analytical Sciences Division, CSIR-Indian Institute of Petroleum, Haridwar Road, Dehradun 248005, Uttarakhand, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad 201002, India.
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Peng J, Wu L, Zhang W, Zhang Q, Xing Q, Wang X, Li X, Yan J. Systemic Identification and Functional Characterization of Common in Fungal Extracellular Membrane Proteins in Lasiodiplodia theobromae. FRONTIERS IN PLANT SCIENCE 2021; 12:804696. [PMID: 34987541 PMCID: PMC8721227 DOI: 10.3389/fpls.2021.804696] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/03/2021] [Indexed: 06/14/2023]
Abstract
Plant pathogenic fungi deploy secreted proteins into apoplastic space or intracellular lumen to promote successful infections during plant-pathogen interactions. In the present study, fourteen CFEM domain-containing proteins were systemically identified in Lasiodiplodia theobromae and eight of them were functionally characterized. All eight proteins were confirmed to be secreted into extracellular space by a yeast signal peptide trapping system. The transcriptional levels of most CFEM genes, except for LtCFEM2 and LtCFEM6, were significantly elevated during infection. In addition, almost all LtCFEM genes, apart from LtCFEM2, LtCFEM3, and LtCFEM6, were transcriptionally up-regulated at 35°C in contrast to that at 25°C and 30°C. As two elicitors, LtCFEM1 induced local yellowish phenotype and LtCFEM4 triggered cell death in Nicotiana benthamiana leaves. Furthermore, these proteins displayed distinct subcellular localizations when expressed transiently in N. benthamiana. Moreover, two genes, LtCFEM7 and LtCFEM8, were found to be spliced alternatively by RT-PCR and sequencing. Therefore, our data suggest that LtCFEM proteins play important roles in multiple aspects, including pathogenicity and plant immune response, which will enhance our understanding of the sophisticated pathogenic mechanisms of plant opportunistic pathogen L. theobromae.
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Bukowska B, Sicińska P. Influence of Benzo(a)pyrene on Different Epigenetic Processes. Int J Mol Sci 2021; 22:ijms222413453. [PMID: 34948252 PMCID: PMC8707600 DOI: 10.3390/ijms222413453] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/28/2021] [Accepted: 12/13/2021] [Indexed: 12/13/2022] Open
Abstract
Epigenetic changes constitute one of the processes that is involved in the mechanisms of carcinogenicity. They include dysregulation of DNA methylation processes, disruption of post-translational patterns of histone modifications, and changes in the composition and/or organization of chromatin. Benzo(a)pyrene (BaP) influences DNA methylation and, depending on its concentrations, as well as the type of cell, tissue and organism it causes hypomethylation or hypermethylation. Moreover, the exposure to polyaromatic hydrocarbons (PAHs), including BaP in tobacco smoke results in an altered methylation status of the offsprings. Researches have indicated a potential relationship between toxicity of BaP and deregulation of the biotin homeostasis pathway that plays an important role in the process of carcinogenesis. Animal studies have shown that parental-induced BaP toxicity can be passed on to the F1 generation as studied on marine medaka (Oryzias melastigma), and the underlying mechanism is likely related to a disturbance in the circadian rhythm. In addition, ancestral exposure of fish to BaP may cause intergenerational osteotoxicity in non-exposed F3 offsprings. Epidemiological studies of lung cancer have indicated that exposure to BaP is associated with changes in methylation levels at 15 CpG; therefore, changes in DNA methylation may be considered as potential mediators of BaP-induced lung cancer. The mechanism of epigenetic changes induced by BaP are mainly due to the formation of CpG-BPDE adducts, between metabolite of BaP-BPDE and CpG, which leads to changes in the level of 5-methylcytosine. BaP also acts through inhibition of DNA methyltransferases activity, as well as by increasing histone deacetylases HDACs, i.e., HDAC2 and HDAC3 activity. The aim of this review is to discuss the mechanism of the epigenetic action of BaP on the basis of the latest publications.
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21
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Sustainable Application of Biosorption and Bioaccumulation of Persistent Pollutants in Wastewater Treatment: Current Practice. Processes (Basel) 2021. [DOI: 10.3390/pr9101696] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Persistent toxic substances including persistent organic pollutants and heavy metals have been released in high quantities in surface waters by industrial activities. Their presence in environmental compartments is causing harmful effects both on the environment and human health. It was shown that their removal from wastewaters using conventional methods and adsorbents is not always a sustainable process. In this circumstance, the use of microorganisms for pollutants uptake can be seen as being an environmentally-friendly and cost-effective strategy for the treatment of industrial effluents. However, in spite of their confirmed potential in the remediation of persistent pollutants, microorganisms are not yet applied at industrial scale. Thus, the current paper aims to synthesize and analyze the available data from literature to support the upscaling of microbial-based biosorption and bioaccumulation processes. The industrial sources of persistent pollutants, the microbial mechanisms for pollutant uptake and the significant results revealed so far in the scientific literature are identified and covered in this review. Moreover, the influence of different parameters affecting the performance of the discussed systems and also very important in designing of treatment processes are highly considered. The analysis performed in the paper offers an important perspective in making decisions for scaling-up and efficient operation, from the life cycle assessment point of view of wastewater microbial bioremediation. This is significant since the sustainability of the microbial-based remediation processes through standardized methodologies such as life cycle analysis (LCA), hasn’t been analyzed yet in the scientific literature.
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Thulasinathan B, Jayabalan T, Sethupathi M, Kim W, Muniyasamy S, Sengottuvelan N, Nainamohamed S, Ponnuchamy K, Alagarsamy A. Bioelectricity generation by natural microflora of septic tank wastewater (STWW) and biodegradation of persistent petrogenic pollutants by basidiomycetes fungi: An integrated microbial fuel cell system. JOURNAL OF HAZARDOUS MATERIALS 2021; 412:125228. [PMID: 33516103 DOI: 10.1016/j.jhazmat.2021.125228] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/02/2020] [Accepted: 01/22/2021] [Indexed: 06/12/2023]
Abstract
The microbial fuel cell is a unique advantageous technology for the scientific community with the simultaneous generation of green energy along with bioelectroremediation of persistent hazardous materials. In this work, a novel approach of integrated system with bioelectricity generation from septic tank wastewater by native microflora in the anode chamber, while Psathyrella candolleana with higher ligninolytic enzyme activity was employed at cathode chamber for the biodegradation of polycyclic aromatic hydrocarbons (PAHs). Six MFC systems designated as MFC1, MFC2, MFC3, MFC4, MFC5, and MFC6 were experimented with different conditions. MFC1 system using natural microflora of STWW (100%) at anode chamber and K3[Fe(CN)6] as cathode buffer showed a power density and current density of 110 ± 10 mW/m2 and 90 ± 10 mA/m2 respectively. In the other five MFC systems 100% STWW was used at the anode and basidiomycetes fungi in the presence or absence of individual PAHs (naphthalene, acenaphthene, fluorene, and anthracene) at the cathode. MFC2, MFC3, MFC4, MFC5, and MFC6 had showed power density of 132 ± 17 mW/m2, 138 ± 20 mW/m2, 139 ± 25 mW/m2, and 147 ± 10 mW/m2 respectively. MFC2, MFC3, MFC4, MFC5, and MFC6 had showed current density of 497 ± 17 mA/m2, 519 ± 10 mA/m2, 522 ± 21 mA/m2 and 525 ± 20 mA/m2 respectively. In all the MFC systems, the electrochemical activity of anode biofilm was evaluated by cyclic voltammetry analysis and biofilms on all the MFC systems electrode surface were visualized by confocal laser scanning microscope. Biodegradation of PAHs during MFC experimentations in the cathode chamber was estimated by UV-Vis spectrophotometer. Overall, MFC6 system achieved maximum power density production of 525 ± 20 mA/m2 with 77% of chemical oxygen demand removal and 54% of coulombic efficiency at the anode chamber and higher anthracene biodegradation (62 ± 1.13%) at the cathode chamber by the selected Psathyrella candolleana at 14th day. The present natural microflora - basidiomycetes fungal coupled MFC system offers excellent opening towards the simultaneous generation of green electricity and PAHs bioelectroremediation.
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Affiliation(s)
- Boobalan Thulasinathan
- Bioenergy and Bioremediation Laboratory, Department of Microbiology, Alagappa University, Karaikudi, India
| | - Tamilmani Jayabalan
- Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli, India
| | - Murugan Sethupathi
- Department of Industrial Chemistry, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - Woong Kim
- Department of Environmental Engineering, Kyungpook National University, Daegu, South Korea
| | - Sudhakar Muniyasamy
- CSIR Materials Science and Manufacturing, Polymers and Composites Competence Area, P.O. Box 1124, Port Elizabeth 6000, South Africa; Department of Chemistry, Faculty of Science, Nelson Mandela Metropolitan University, P.O. Box 77000, Port Elizabeth 6031, South Africa
| | | | - Samsudeen Nainamohamed
- Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli, India
| | - Kumar Ponnuchamy
- Department of Animal Health and Management, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - Arun Alagarsamy
- Bioenergy and Bioremediation Laboratory, Department of Microbiology, Alagappa University, Karaikudi, India.
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Pandya DK, Kumar MA. Chemo-metric engineering designs for deciphering the biodegradation of polycyclic aromatic hydrocarbons. JOURNAL OF HAZARDOUS MATERIALS 2021; 411:125154. [PMID: 33858107 DOI: 10.1016/j.jhazmat.2021.125154] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 01/07/2021] [Accepted: 01/13/2021] [Indexed: 06/12/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are non-polar organic compounds that are omnipresent in the environment and released due to anthropogenic activities through emissions and discharges. PAHs, being xenobiotic and exerts health impacts, thus they attract serious concern by the environmentalists. The stringent regulations and the need of sustainable development urges the hunt for a technically feasible and cost-effective wastewater treatment. Although the conventional physico-chemical treatment are widely preferred, they cause secondary pollution problems and demand subsequent treatment options. This comprehensive review intends to address the (a) different PAHs and their associated toxicity, (b) the remedial strategies, particularly biodegradation. The biological wastewater treatment techniques that involve microbial systems are highly influenced by the different physio-chemical and environmental parameters. Therefore, suitable optimization techniques are prerequisite for effective functioning of the biological treatment that sustains judiciously and interpreted in a lesser time. Here we have aimed to discuss (a) different chemo-metric tools involved in the design of experiments (DoE), (b) design equations and models, (c) tools for evaluating the model's adequacy and (d) plots for graphically interpreting the chemo-metric designs. However, to best of our knowledge, this is a first review to discuss the PAHs biodegradation that are tailored by chemo-metric designs. The associated challenges, available opportunities and techno-economic aspects of PAHs degradation using chemo-metric engineering designs are explained. Additionally, the review highlights how well these DoE tools can be suited for the sustainable socio-industrial sectors. Concomitantly, the futuristic scope and prospects to undertake new areas of research exploration were emphasized to unravel the least explored chemo-metric designs.
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Affiliation(s)
- Darshita Ketan Pandya
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar 364002, Gujarat, India
| | - Madhava Anil Kumar
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar 364002, Gujarat, India; Academy of Scientific and Innovative Research, Ghaziabad 201002, Uttar Pradesh, India.
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Hamad AA, Moubasher HA, Moustafa YM, Mohamed NH, Abd-el rhim EH. Petroleum Hydrocarbon Bioremediation Using Native Fungal Isolates and Consortia. ScientificWorldJournal 2021; 2021:6641533. [PMID: 34054359 PMCID: PMC8112951 DOI: 10.1155/2021/6641533] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 02/14/2021] [Accepted: 03/17/2021] [Indexed: 11/22/2022] Open
Abstract
Crude oil spills as a result of natural disasters or extraction and transportation operations are common nowadays. Oil spills have adverse effects on both aquatic and terrestrial ecosystems and pose a threat to human health. This study have been concerned with studying the capability of six fungal species (Curvularia brachyspora, Penicillium chrysogenum, Scopulariopsis brevicaulis, Cladosporium sphaerospermum, Alternaria alternata, and Stemphylium botryosum) and three fungal consortia (FC), FC1 (P. chrysogenum and C. brachyspora), FC2 (S. brevicaulis and S. botryosum), and FC3 (S. brevicaulis, S. botryosum, and C. sphaerospermum), to remediate petroleum hydrocarbons (PHs). Qualitative and quantitative changes in polyaromatic hydrocarbons (PAHs) and saturated hydrocarbons (SH) mixtures and the patterns of PHs degradation have been examined using HPLC and GC. Studying the GC chromatogram of C. sphaerospermum revealed severe degradation of SHs exhibited by this species, and the normal-paraffin and isoparaffin degradation percentage have been valued 97.19% and 98.88%, respectively. A. alternata has shown the highest significant (at P ˂ 0.05) PAH degradation percent reaching 72.07%; followed by P. chrysogenum, 59.51%. HPLC data have revealed that high-molecular-weight PAH percent/total PAHs decreased significantly from 98.94% in control samples to 68.78% in samples treated with A. alternata. FC1 and FC2 consortia have exhibited the highest significant PH deterioration abilities than did the individual isolates, indicating that these fungal consortia exhibited positive synergistic effects. The study supports the critical idea of the potential PAH and SH biodegradation as a more ecologically acceptable alternative to their chemical degradation.
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Affiliation(s)
- Asmaa A. Hamad
- Department of Botany and Microbiology, Faculty of Science, Cairo University, Cairo, Egypt
- Department of Biology, Faculty of Science, Taif University, Taif, Saudi Arabia
| | - Hani A. Moubasher
- Department of Botany and Microbiology, Faculty of Science, Cairo University, Cairo, Egypt
| | | | | | - Eman H. Abd-el rhim
- Department of Botany and Microbiology, Faculty of Science, Cairo University, Cairo, Egypt
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Ganesh Kumar A, Manisha D, Sujitha K, Magesh Peter D, Kirubagaran R, Dharani G. Genome sequence analysis of deep sea Aspergillus sydowii BOBA1 and effect of high pressure on biodegradation of spent engine oil. Sci Rep 2021; 11:9347. [PMID: 33931710 PMCID: PMC8087790 DOI: 10.1038/s41598-021-88525-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 03/30/2021] [Indexed: 02/02/2023] Open
Abstract
A deep-sea fungus Aspergillus sydowii BOBA1 isolated from marine sediment at a depth of 3000 m was capable of degrading spent engine (SE) oil. The response of immobilized fungi towards degradation at elevated pressure was studied in customized high pressure reactors without any deviation in simulating in situ deep-sea conditions. The growth rate of A. sydowii BOBA1 in 0.1 MPa was significantly different from the growth at 10 MPa pressure. The degradation percentage reached 71.2 and 82.5% at atmospheric and high pressure conditions, respectively, within a retention period of 21 days. The complete genome sequence of BOBA1 consists of 38,795,664 bp in size, comprises 2582 scaffolds with predicted total coding genes of 18,932. A total of 16,247 genes were assigned with known functions and many families found to have a potential role in PAHs and xenobiotic compound metabolism. Functional genes controlling the pathways of hydrocarbon and xenobiotics compound degrading enzymes such as dioxygenase, decarboxylase, hydrolase, reductase and peroxidase were identified. The spectroscopic and genomic analysis revealed the presence of combined catechol, gentisate and phthalic acid degradation pathway. These results of degradation and genomic studies evidenced that this deep-sea fungus could be employed to develop an eco-friendly mycoremediation technology to combat the oil polluted marine environment. This study expands our knowledge on piezophilic fungi and offer insight into possibilities about the fate of SE oil in deep-sea.
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Affiliation(s)
- A. Ganesh Kumar
- grid.454780.a0000 0001 0683 2228Marine Biotechnology Division, National Institute of Ocean Technology, Ministry of Earth Sciences (MoES), Government of India, Chennai, 600100 Tamil Nadu India
| | - D. Manisha
- grid.454780.a0000 0001 0683 2228Marine Biotechnology Division, National Institute of Ocean Technology, Ministry of Earth Sciences (MoES), Government of India, Chennai, 600100 Tamil Nadu India
| | - K. Sujitha
- grid.454780.a0000 0001 0683 2228Marine Biotechnology Division, National Institute of Ocean Technology, Ministry of Earth Sciences (MoES), Government of India, Chennai, 600100 Tamil Nadu India
| | - D. Magesh Peter
- grid.454780.a0000 0001 0683 2228Marine Biotechnology Division, National Institute of Ocean Technology, Ministry of Earth Sciences (MoES), Government of India, Chennai, 600100 Tamil Nadu India
| | - R. Kirubagaran
- grid.454780.a0000 0001 0683 2228Marine Biotechnology Division, National Institute of Ocean Technology, Ministry of Earth Sciences (MoES), Government of India, Chennai, 600100 Tamil Nadu India
| | - G. Dharani
- grid.454780.a0000 0001 0683 2228Marine Biotechnology Division, National Institute of Ocean Technology, Ministry of Earth Sciences (MoES), Government of India, Chennai, 600100 Tamil Nadu India
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Ligninolytic enzymes production during polycyclic aromatic hydrocarbons degradation: effect of soil pH, soil amendments and fungal co-cultivation. Biodegradation 2021; 32:193-215. [PMID: 33725325 DOI: 10.1007/s10532-021-09933-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 02/23/2021] [Indexed: 10/21/2022]
Abstract
Soil microorganisms play an important role in the degradation of PAHs and use various metabolic pathways for this process. The effect of soil pH, different soil amendments and the co-cultivation of fungi on the degradation of PAHs in soil and on the activity of ligninolytic enzymes was evaluated. For that purpose, three fungi were studied: Trichoderma viride, Penicillium chrysogenum and Agrocybe aegerita. Biodegradation assays with a mixture of 200 ppm PAHs (fluorene, pyrene, chrysene, and benzo[a]pyrene-50 ppm each) were set up at room temperature for 8 weeks. The maximum laccase activity by solid state fermentation-SSF (7.43 U/g) was obtained by A. aegerita on kiwi peels with 2 weeks and the highest manganese peroxidase activity (7.21 U/g) was reached in 4 weeks, both at pH 7. Fluorene, pyrene, and benzo[a]pyrene achieved higher degradation rates in soil at pH 5, while chrysene was more degradable at pH 7. About 85-90% of the PAHs were degraded by fungal remediation. The highest degradation of fluorene was achieved by co-cultivation of A. aegerita and P. chrysogenum, remaining 14% undegradable. Around 13% of pyrene stay undegradable by A. aegerita and T. viride and by A. aegerita and P. chrysogenum, both systems supported in kiwi peels, while 11% of chrysene remained in soil by the co-cultivation of these fungi, supported by peanut shells. Regarding benzo[a]pyrene, 13% remained in soil after treatment with A. aegerita. Despite the increase in degradation of some PAHs with co-cultivation, higher enzyme production during degradation was observed when fungi were cultivated alone.
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Imam A, Suman SK, Singh R, Vempatapu BP, Ray A, Kanaujia PK. Application of laccase immobilized rice straw biochar for anthracene degradation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 268:115827. [PMID: 33096462 DOI: 10.1016/j.envpol.2020.115827] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 10/07/2020] [Accepted: 10/10/2020] [Indexed: 06/11/2023]
Abstract
The present study explores the immobilization of ligninolytic enzyme-laccase on the surface of rice straw biochar and evaluates its application for anthracene biodegradation. The rice straw biochar was acid-treated to generate carboxyl functionality on its surface, followed by detailed morphological and chemical characterization. The surface area of functionalized biochar displayed a two-fold increase compared to the untreated biochar. Laccase was immobilized on functionalized biochar, and an immobilization yield of 66% was obtained. The immobilized enzyme demonstrated operational stability up to six cycles while retaining 40% of the initial activity. Laccase immobilization was further investigated by performing adsorption and kinetic studies, which revealed the highest immobilization concentration of 500 U g-1 at 25 °C. The adsorption followed the Langmuir isotherm model at equilibrium, and the kinetic study confirmed pseudo-second-order kinetics. The equilibrium rate constant (K2) at 25 °C and 4 °C were 3.6 × 10-3 g U-1 min-1 and 4 × 10-3 g U-1 min-1 respectively for 100 U g-1 of enzyme loading. This immobilized system was applied for anthracene degradation in the aqueous batch mode, which resulted in complete degradation of 50 mg L-1 anthracene within 24 h of interaction exposure.
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Affiliation(s)
- Arfin Imam
- Analytical Sciences Division, Indian Institute of Petroleum, Council of Scientific and Industrial Research, Haridwar Road, Dehradun, 248005, Uttarakhand, India; Material Resource Efficiency Division, Indian Institute of Petroleum, Council of Scientific and Industrial Research, Haridwar Road, Dehradun, 248005, Uttarakhand, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad, 201002, India
| | - Sunil Kumar Suman
- Material Resource Efficiency Division, Indian Institute of Petroleum, Council of Scientific and Industrial Research, Haridwar Road, Dehradun, 248005, Uttarakhand, India
| | - Raghuvir Singh
- Analytical Sciences Division, Indian Institute of Petroleum, Council of Scientific and Industrial Research, Haridwar Road, Dehradun, 248005, Uttarakhand, India
| | - Bhanu Prasad Vempatapu
- Analytical Sciences Division, Indian Institute of Petroleum, Council of Scientific and Industrial Research, Haridwar Road, Dehradun, 248005, Uttarakhand, India
| | - Anjan Ray
- Analytical Sciences Division, Indian Institute of Petroleum, Council of Scientific and Industrial Research, Haridwar Road, Dehradun, 248005, Uttarakhand, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad, 201002, India
| | - Pankaj K Kanaujia
- Analytical Sciences Division, Indian Institute of Petroleum, Council of Scientific and Industrial Research, Haridwar Road, Dehradun, 248005, Uttarakhand, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad, 201002, India.
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Current Status of and Future Perspectives in Bacterial Degradation of Benzo[a]pyrene. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 18:ijerph18010262. [PMID: 33396411 PMCID: PMC7795093 DOI: 10.3390/ijerph18010262] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/18/2020] [Accepted: 12/22/2020] [Indexed: 12/24/2022]
Abstract
Benzo[a]pyrene (BaP) is one the main pollutants belonging to the high-molecular-weight PAHs (HMW-PAHs) class and its degradation by microorganisms remains an important strategy for its removal from the environment. Extensive studies have been carried out on the isolation and characterisation of microorganisms that can actively degrade low-molecular-weight PAHs (LMW-PAHs), and to a certain extent, the HMW-PAH pyrene. However, so far, limited work has been carried out on BaP biodegradation. BaP consists of five fused aromatic rings, which confers this compound a high chemical stability, rendering it less amenable to biodegradation. The current review summarizes the emerging reports on BaP biodegradation. More specifically, work carried out on BaP bacterial degradation and current knowledge gaps that limit our understanding of BaP degradation are highlighted. Moreover, new avenues of research on BaP degradation are proposed, specifically in the context of the development of "omics" approaches.
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Biodegradation of polycyclic aromatic hydrocarbons by high-laccase basidiomycetes fungi isolated from tropical forest of Borneo. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2020. [DOI: 10.1016/j.bcab.2020.101717] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Harishchandra DL, Zhang W, Li X, Chethana KWT, Hyde KD, Brooks S, Yan J, Peng J. A LysM Domain-Containing Protein LtLysM1 Is Important for Vegetative Growth and Pathogenesis in Woody Plant Pathogen Lasiodiplodia theobromae. THE PLANT PATHOLOGY JOURNAL 2020; 36:323-334. [PMID: 32788891 PMCID: PMC7403516 DOI: 10.5423/ppj.oa.05.2020.0084] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/02/2020] [Accepted: 07/14/2020] [Indexed: 06/11/2023]
Abstract
Lysin motif (LysM) proteins are reported to be necessary for the virulence and immune response suppression in many herbaceous plant pathogens, while far less is documented in woody plant pathogens. In this study, we preliminarily characterized the molecular function of a LysM protein LtLysM1 in woody plant pathogen Lasiodiplodia theobromae. Transcriptional profiles revealed that LtLysM1 is highly expressed at infectious stages, especially at 36 and 48 hours post inoculation. Amino acid sequence analyses revealed that LtLysM1 was a putative glycoprotein with 10 predicted N-glycosylation sites and one LysM domain. Pathogenicity tests showed that overexpressed transformants of LtLysM1 displayed increased virulence on grapevine shoots in comparison with that of wild type CSS-01s, and RNAi transformants of LtLysM1 exhibited significantly decreased lesion length when compared with that of wild type CSS-01s. Moreover, LtLysM1 was confirmed to be a secreted protein by a yeast signal peptide trap assay. Transient expression in Nicotiana benthamiana together with protein immunoblotting confirmed that LtLysM1 was an N-glycosylated protein. In contrast to previously reported LysM protein Slp1 and OsCEBiP, LtLysM1 molecule did not interact with itself based on yeast two hybrid and co-immunoprecipitation assays. These results indicate that LtLysM1 is a secreted protein and functions as a critical virulence factor during the disease symptom development in woody plants.
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Affiliation(s)
- Dulanjalee Lakmali Harishchandra
- Beijing Key Laboratory of Environment Friendly Management on Fruit Diseases and Pests in North China, Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
- Centre of Excellence in Fungal Research, School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Wei Zhang
- Beijing Key Laboratory of Environment Friendly Management on Fruit Diseases and Pests in North China, Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Xinghong Li
- Beijing Key Laboratory of Environment Friendly Management on Fruit Diseases and Pests in North China, Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | | | - Kevin David Hyde
- Centre of Excellence in Fungal Research, School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Siraprapa Brooks
- Centre of Excellence in Fungal Research, School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Jiye Yan
- Beijing Key Laboratory of Environment Friendly Management on Fruit Diseases and Pests in North China, Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Junbo Peng
- Beijing Key Laboratory of Environment Friendly Management on Fruit Diseases and Pests in North China, Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
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