1
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Foysal MJ, Kawser AQMR, Paul SI, Chaklader MR, Gupta SK, Tay A, Neilan BA, Gagnon MM, Fotedar R, Rahman MM, Timms VJ. Prevalence of opportunistic pathogens and anti-microbial resistance in urban aquaculture ponds. JOURNAL OF HAZARDOUS MATERIALS 2024; 474:134661. [PMID: 38815393 DOI: 10.1016/j.jhazmat.2024.134661] [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: 10/13/2023] [Revised: 05/15/2024] [Accepted: 05/18/2024] [Indexed: 06/01/2024]
Abstract
Bacterial antimicrobial resistance (AMR) has emerged as a significant concern worldwide. The microbial community profile and potential AMR level in aquaculture ponds are often undervalued and attract less attention than other aquatic environments. We used amplicon and metagenomic shotgun sequencing to study microbial communities and AMR in six freshwater polyculture ponds in rural and urban areas of Bangladesh. Amplicon sequencing revealed different community structures between rural and urban ponds, with urban ponds having a higher bacterial diversity and opportunistic pathogens including Streptococcus, Staphylococcus, and Corynebacterium. Despite proteobacterial dominance, Firmicutes was the most interactive in the community network, especially in the urban ponds. Metagenomes showed that drug resistance was the most common type of AMR found, while metal resistance was only observed in urban ponds. AMR and metal resistance genes were found mainly in beta and gamma-proteobacteria in urban ponds, while AMR was found primarily in alpha-proteobacteria in rural ponds. We identified potential pathogens with a high profile of AMR and metal resistance in urban aquaculture ponds. As these ponds provide a significant source of protein for humans, our results raise significant concerns for the environmental sustainability of this food source and the dissemination of AMR into the food chain.
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Affiliation(s)
- Md Javed Foysal
- School of Environmental and Life Sciences, The University of Newcastle, Callaghan, NSW, Australia; School of Molecular and Life Sciences, Curtin University, Perth, WA, Australia; Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology, Sylhet, Bangladesh.
| | - A Q M Robiul Kawser
- Department of Aquaculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh; School of Veterinary Medicine and Science, University of Nottingham, United Kingdom
| | - Sulav Indra Paul
- Institute of Biotechnology and Genetic Engineering, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh; Institute for Biosecurity and Microbial Forensics, Oklahoma State University, OK, USA
| | - Md Reaz Chaklader
- Department of Primary Industries and Regional Development, Fremantle, WA, Australia
| | - Sanjay Kumar Gupta
- ICAR-Indian Institute of Agricultural Biotechnology, Ranchi, Jharkhand, India
| | - Alfred Tay
- School of Biomedical Sciences, University of Western Australia, Perth, Australia
| | - Brett A Neilan
- School of Environmental and Life Sciences, The University of Newcastle, Callaghan, NSW, Australia
| | | | - Ravi Fotedar
- School of Molecular and Life Sciences, Curtin University, Perth, WA, Australia
| | - Md Mahbubur Rahman
- Institute of Biotechnology and Genetic Engineering, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh
| | - Verlaine J Timms
- School of Environmental and Life Sciences, The University of Newcastle, Callaghan, NSW, Australia
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2
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Zan S, Wang J, Fan J, Jin Y, Li Z, Du M. Cyclohexanecarboxylic acid degradation with simultaneous nitrate removal by Marinobacter sp. SJ18. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:34296-34305. [PMID: 36512278 DOI: 10.1007/s11356-022-24705-y] [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: 07/12/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Naphthenic acid (NA) is a toxic pollutant with potential threat to human health. However, NA transformations in marine environments are still unclear. In this study, the characteristics and pathways of cyclohexanecarboxylic acid (CHCA) biodegradation were explored in the presence of nitrate. The results showed that CHCA was completely degraded with pseudo-first-order kinetic reaction under aerobic and anaerobic conditions, accompanied by nitrate removal rates exceeding 70%, which was positively correlated with CHCA degradation (P < 0.05). In the proposed CHCA degradation pathways, cyclohexane is dehydrogenated to form cyclohexene, followed by ring-opening by dioxygenase to generate fatty acid under aerobic conditions or cleavage of cyclohexene through β-oxidation under anaerobic conditions. Whole genome analysis indicated that nitrate was removed via assimilation and dissimilation pathways under aerobic conditions and via denitrification pathway under anaerobic conditions. These results provide a basis for alleviating combined pollution of NA and nitrate in marine environments with frequent anthropogenic activities.
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Affiliation(s)
- Shuaijun Zan
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, No. 2 Linggong Road, Dalian, 116024, China
- Groundwater Provincial Engineering Research Center for Urban Water Recycling and Environmental Safety, Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
| | - Jing Wang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, No. 2 Linggong Road, Dalian, 116024, China.
| | - Jingfeng Fan
- Marine Ecology Department, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Yuan Jin
- Marine Ecology Department, National Marine Environmental Monitoring Center, Dalian, 116023, China
| | - Zelong Li
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, No. 2 Linggong Road, Dalian, 116024, China
| | - Miaomiao Du
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, No. 2 Linggong Road, Dalian, 116024, China
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3
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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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Ren H, Ding Y, Hao X, Hao J, Liu J, Wang Y. Enhanced rhizoremediation of polychlorinated biphenyls by resuscitation-promoting factor stimulation linked to plant growth promotion and response of functional microbial populations. CHEMOSPHERE 2022; 309:136519. [PMID: 36210576 DOI: 10.1016/j.chemosphere.2022.136519] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/25/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Rhizoremediation is acknowledged as a green technology for removing polychlorinated biphenyls (PCBs) in soil. However, rhizoremediation is limited because most soil microorganisms enter into a viable but non-culturable (VBNC) state under PCBs stress. This work was to study the effect of resuscitation-promoting factor (Rpf) on rhizoremediation efficiency of PCBs in alfalfa and rhizosphere microbiological communities. Results suggested that Rpf promoted alfalfa growth in PCB-contaminated soil by improving antioxidant enzymes and detoxification metabolites in alfalfa. After 40 d Rpf treatment, removal rate for five selected PCBs significantly increased by 0.5-2.2 times. Rpf enhanced relative abundances of bphA and bphC responsible for degrading PCBs, and enzymatic activities of metabolizing exogenous compounds in rhizosphere soil. High-throughput sequencing showed that Rpf did not change the dominant microbial population at phyla and genera levels, but caused variation of the bacterial community structures. The promoting function of Rpf was linked to the shift of various key populations having different functions depending on Rpf concentrations. Pseudomonas and Rhizobium spp. enrichment might stimulate PCB degradation and Streptomyces and Bacillus spp. primarily contributed to alfalfa growth. Predicted functions in rhizosphere soil bacterial community indicated Rpf facilitated soil nutrient cycling and environmental adaptation. This study indicated that Rpf was an active additive for strengthening rhizoremediation efficiency of PCB-contaminated soil and enhancing their in-situ remediation.
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Affiliation(s)
- Hejun Ren
- Key Laboratory of Groundwater Resources and Environment of the Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, 2519 Jiefang Road, Changchun, 130021, China.
| | - Yuzhu Ding
- Key Laboratory of Groundwater Resources and Environment of the Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, 2519 Jiefang Road, Changchun, 130021, China
| | - Xinyu Hao
- Key Laboratory of Groundwater Resources and Environment of the Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, 2519 Jiefang Road, Changchun, 130021, China
| | - Jianjun Hao
- School of Food & Agriculture, The University of Maine, Orono, 04469-5735, USA
| | - Jinliang Liu
- College of Plant Sciences, Jilin University, Changchun, 130062, China
| | - Yan Wang
- College of Plant Sciences, Jilin University, Changchun, 130062, China.
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5
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Tripathi S, Chandra R, Purchase D, Bilal M, Mythili R, Yadav S. Quorum sensing - a promising tool for degradation of industrial waste containing persistent organic pollutants. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 292:118342. [PMID: 34653589 DOI: 10.1016/j.envpol.2021.118342] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/28/2021] [Accepted: 10/08/2021] [Indexed: 06/13/2023]
Abstract
Restoring an environment contaminated with persistent organic pollutants (POPs) is highly challenging. Biodegradation by biofilm-forming bacteria through quorum sensing (QS) is a promising treatment process to remove these pollutants and promotes eco-restoration. QS plays an important role in biofilm formation, solubilization, and biotransformation of pollutants. QS is a density-based communication between microbial cells via signalling molecules, which coordinates specific characters and helps bacteria to acclimatize against stress conditions. Genetic diversification of a biofilm offers excellent opportunities for horizontal gene transfer, improves resistance against stress, and provides a suitable environment for the metabolism of POPs. To develop this technology in industrial scale, it is important to understand the fundamentals and ubiquitous nature of QS bacteria and appreciate the role of QS in the degradation of POPs. Currently, there are knowledge gaps regarding the environmental niche, abundance, and population of QS bacteria in wastewater treatment systems. This review aims to present up-to-date and state-of-the-art information on the roles of QS and QS-mediated strategies in industrial waste treatment including biological treatments (such as activated sludge), highlighting their potentials using examples from the pulp and paper mill industry, hydrocarbon remediation and phytoremediation. The information will help to provide a throughout understanding of the potential of QS to degrade POPs and advance the use of this technology. Current knowledge of QS strategies is limited to laboratory studies, full-scale applications remain challenging and more research is need to explore QS gene expression and test in full-scale reactors for wastewater treatment.
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Affiliation(s)
- Sonam Tripathi
- Department of Environmental Microbiology, School for Environmental Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), VidyaVihar, Raebareli Road, Lucknow, 226025, U.P., India
| | - Ram Chandra
- Department of Environmental Microbiology, School for Environmental Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), VidyaVihar, Raebareli Road, Lucknow, 226025, U.P., India.
| | - Diane Purchase
- Department of Natural Sciences, Facultyof Science and Technology, Middlesex University, The Burroughs, Hendon, London, England NW4 4BT, UK
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China
| | - Raja Mythili
- PG & Research Department of Biotechnology, Mahendra Arts & Science College, Kalppatti, Namakkal, 637503, Tamil Nadu, India
| | - Sangeeta Yadav
- Department of Environmental Microbiology, School for Environmental Sciences, Babasaheb Bhimrao Ambedkar University (A Central University), VidyaVihar, Raebareli Road, Lucknow, 226025, U.P., India.
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6
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Marzuki I, Asaf R, Paena M, Athirah A, Nisaa K, Ahmad R, Kamaruddin M. Anthracene and Pyrene Biodegradation Performance of Marine Sponge Symbiont Bacteria Consortium. Molecules 2021; 26:6851. [PMID: 34833943 PMCID: PMC8624637 DOI: 10.3390/molecules26226851] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/08/2021] [Accepted: 11/10/2021] [Indexed: 11/19/2022] Open
Abstract
Every petroleum-processing plant produces sewage sludge containing several types of polycyclic aromatic hydrocarbons (PAHs). The degradation of PAHs via physical, biological, and chemical methods is not yet efficient. Among biological methods, the use of marine sponge symbiont bacteria is considered an alternative and promising approach in the degradation of and reduction in PAHs. This study aimed to explore the potential performance of a consortium of sponge symbiont bacteria in degrading anthracene and pyrene. Three bacterial species (Bacillus pumilus strain GLB197, Pseudomonas stutzeri strain SLG510A3-8, and Acinetobacter calcoaceticus strain SLCDA 976) were mixed to form the consortium. The interaction between the bacterial consortium suspension and PAH components was measured at 5 day intervals for 25 days. The biodegradation performance of bacteria on PAH samples was determined on the basis of five biodegradation parameters. The analysis results showed a decrease in the concentration of anthracene (21.89%) and pyrene (7.71%), equivalent to a ratio of 3:1, followed by a decrease in the abundance of anthracene (60.30%) and pyrene (27.52%), equivalent to a ratio of 2:1. The level of pyrene degradation was lower than that of the anthracene due to fact that pyrene is more toxic and has a more stable molecular structure, which hinders its metabolism by bacterial cells. The products from the biodegradation of the two PAHs are alcohols, aldehydes, carboxylic acids, and a small proportion of aromatic hydrocarbon components.
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Affiliation(s)
- Ismail Marzuki
- Department of Chemical Engineering, Fajar University, Makassar 90231, Indonesia
| | - Ruzkiah Asaf
- Research Center for Brackish Aquaculture Fisheries and Extension Fisheries, Maros 90512, Indonesia; (R.A.); (M.P.); (A.A.)
| | - Mudian Paena
- Research Center for Brackish Aquaculture Fisheries and Extension Fisheries, Maros 90512, Indonesia; (R.A.); (M.P.); (A.A.)
| | - Admi Athirah
- Research Center for Brackish Aquaculture Fisheries and Extension Fisheries, Maros 90512, Indonesia; (R.A.); (M.P.); (A.A.)
| | - Khairun Nisaa
- Fishery Faculty, Cokroaminoto University of Makassar, Makassar 90245, Indonesia;
| | - Rasheed Ahmad
- Departement of Chemistry, Airlangga University, Surabaya 60115, Indonesia;
| | - Mudyawati Kamaruddin
- Postgraduate Program, Department of Medical Laboratory Science, Muhammadiyah Semarang University, Semarang 50273, Indonesia;
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Aerobic degradation of 2,4,6-trinitrophenol by Proteus sp. strain OSES2 obtained from an explosive contaminated tropical soil. Biodegradation 2021; 32:643-662. [PMID: 34487282 DOI: 10.1007/s10532-021-09958-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 08/10/2021] [Indexed: 10/20/2022]
Abstract
A 2,4,6-trinitrophenol (TNP) degrading bacterial strain isolated from a site polluted with explosives was identified as Proteus sp. strain OSES2 via 16S rRNA gene sequencing. Metabolic investigation showed that the organism grew exponentially on 100 mg l-1 of TNP as a source of carbon, nitrogen, and energy. In addition, the growth of the organism was sustainable on 3-nitrotoluene, 2,4-dinitrotoluene, 2,4,6-trinitrotoluene, 4-nitrophenol, methyl-3-nitrobenzoate, 4-nitroaniline, aniline and nitrobenzene. Strain OSES2 was able to utilize TNP within a concentration range of 100 mg l-1 to 500 mg l-1. The specific growth rate and degradation rates on TNP were 0.01043 h-1 and 0.01766 mg l-1 h-1 respectively. Effective degradation of TNP in a chemically defined medium was evident with a gradual reduction in the concentration of TNP concomitant with an increase in cell density as well as the substantial release of ammonium (NH4+), nitrite (NO2-), and nitrate (NO3-) as metabolites in 96 h. Degradation competence of the organism was enhanced in the presence of starch and acetate. On starch-supplemented TNP, the highest specific growth rate and degradation rates were 0.02634 h-1 and 0.04458 mg l-1 h-1, respectively, while the corresponding values on acetate were 0.02341 h-1 and 0.02811 mg l-1 h-1. However, amendment with nitrogen sources yielded no substantial improvement in degradation. TNP was utilized optimally at pH 7 to 9 and within the temperature range of 30 °C to 37 °C. The enzyme hydride transferase II [HTII], encoded by the npdI gene which is the first step involved in the TNP degradation pathway, was readily expressed by the isolate thus suggesting that substrate was utilized through the classical metabolic pathway.
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8
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Zan S, Lv J, Li Z, Cai Y, Wang Z, Wang J. Genomic insights into Pseudoalteromonas sp. JSTW coping with petroleum-heavy metals combined pollution. J Basic Microbiol 2021; 61:947-957. [PMID: 34387369 DOI: 10.1002/jobm.202100156] [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: 04/21/2021] [Revised: 07/02/2021] [Accepted: 08/08/2021] [Indexed: 11/05/2022]
Abstract
Worldwide marine compound contamination by petroleum products and heavy metals is a burgeoning environmental concern. Pseudoalteromonas, prevalently distributed in marine environment, has been proven to degrade petroleum and plays an essential role in the fate of oil pollution under the combined pollution. Nevertheless, the research on the reference genes is still incomplete. Therefore, this study aims to thoroughly investigate the reference genes represented by Pseudoalteromonas sp. JSTW via whole-genome sequencing. Next-generation sequencing technology unfolded a genome of 4,026,258 bp, database including Clusters of Orthologous Groups (COG) and Kyoto Encyclopedia of Genes and Genomes (KEGG) were utilized to annotate the genes and metabolic pathways conferring to petroleum hydrocarbon degradation. The results show that common alkane and aromatic hydrocarbon degradation genes (alkB, ligB, yqhD, and ladA), chemotaxis gene (MCP, cheA, cheB, pcaY, and pcaR), heavy-metal resistance, and biofilm genes (σ54, merC, pcoA, copB, etc.) were observed in whole-genome sequence (WGS) of JSTW, which indicated that strain JSTW could potentially cope with combined pollution. The degradation efficiency of naphthalene in 60 h by JSTW was 99% without Cu2+ and 67% with 400 mg L-1 Cu2+ . Comparative genome analysis revealed that genomes of Pseudoalteromonas lipolytica strain LEMB 39 and Pseudoalteromonas donghaensis strain HJ51 shared similarity with strain JSTW, suggesting they are also the potential degradater of petroleum hydrocarbons under combined pollution. Therefore, this study provides a WGS annotation and reveals the mechanism of response to combined pollution of Pseudoalteromonas sp. JSTW.
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Affiliation(s)
- Shuaijun Zan
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
| | - Jingping Lv
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
| | - Zelong Li
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
| | - Yingxue Cai
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
| | - Zongcheng Wang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
| | - Jing Wang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian, China
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9
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Dong K, Pan H, Yang D, Rao L, Zhao L, Wang Y, Liao X. Induction, detection, formation, and resuscitation of viable but non‐culturable state microorganisms. Compr Rev Food Sci Food Saf 2019; 19:149-183. [DOI: 10.1111/1541-4337.12513] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 10/21/2019] [Accepted: 11/14/2019] [Indexed: 01/05/2023]
Affiliation(s)
- Kai Dong
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthCollege of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- College of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- Key Lab of Fruit and Vegetable ProcessingMinistry of Agriculture and Rural Affairs Beijing China
| | - Hanxu Pan
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthCollege of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- College of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- Key Lab of Fruit and Vegetable ProcessingMinistry of Agriculture and Rural Affairs Beijing China
| | - Dong Yang
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthCollege of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- College of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- Key Lab of Fruit and Vegetable ProcessingMinistry of Agriculture and Rural Affairs Beijing China
| | - Lei Rao
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthCollege of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- College of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- Key Lab of Fruit and Vegetable ProcessingMinistry of Agriculture and Rural Affairs Beijing China
| | - Liang Zhao
- College of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- Key Lab of Fruit and Vegetable ProcessingMinistry of Agriculture and Rural Affairs Beijing China
| | - Yongtao Wang
- College of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- Key Lab of Fruit and Vegetable ProcessingMinistry of Agriculture and Rural Affairs Beijing China
| | - Xiaojun Liao
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthCollege of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- College of Food Science and Nutritional EngineeringChina Agricultural University Beijing China
- Key Lab of Fruit and Vegetable ProcessingMinistry of Agriculture and Rural Affairs Beijing China
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10
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Liu XX, Hu X, Cao Y, Pang WJ, Huang JY, Guo P, Huang L. Biodegradation of Phenanthrene and Heavy Metal Removal by Acid-Tolerant Burkholderia fungorum FM-2. Front Microbiol 2019; 10:408. [PMID: 30930861 PMCID: PMC6427951 DOI: 10.3389/fmicb.2019.00408] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 02/18/2019] [Indexed: 11/13/2022] Open
Abstract
Phenanthrene (PHE) is a common pollutant of acidic and non-acidic environments that is recalcitrant to biodegradation. Herein, Burkholderia fungorum FM-2 (GenBank accession no. KM263605) was isolated from oil-contaminated soil in Xinjiang and characterized morphologically, physiologically, and phylogenetically. Environmental parameters including PHE concentration, pH, temperature, and salinity were optimized, and heavy metal tolerance was investigated. The MIC of strain FM-2 tolerant to Pb(II) and Cd(II) was 50 and 400 mg L−1, respectively, while the MIC of Zn(II) was >1,200 mg L−1. Atypically for a B. fungorum strain, FM-2 utilized PHE (300 mg L−1) as a sole carbon source over a wide pH range (between pH 3 and 9). PHE and heavy metal metabolism were assessed using gas chromatography (GC), inductively coupled plasma optical emission spectroscopy (ICP-OES), scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDS), Fourier-transform infrared (FTIR) spectroscopy and ultraviolet (UV) absorption spectrometry. The effects of heavy metals on the bioremediation of PHE in soil were investigated, and the findings suggest that FM-2 has potential for combined bioremediation of soils co-contaminated with PHE and heavy metals.
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Affiliation(s)
- Xin-Xin Liu
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, College of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, China
| | - Xin Hu
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, College of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, China
| | - Yue Cao
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, College of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, China
| | - Wen-Jing Pang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, College of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, China
| | - Jin-Yu Huang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, College of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, China
| | - Peng Guo
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, College of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, China
| | - Lei Huang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, College of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, China
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Ojha N, Mandal SK, Das N. Enhanced degradation of indeno(1,2,3-cd)pyrene using Candida tropicalis NN4 in presence of iron nanoparticles and produced biosurfactant: a statistical approach. 3 Biotech 2019; 9:86. [PMID: 30800597 PMCID: PMC6385070 DOI: 10.1007/s13205-019-1623-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 02/08/2019] [Indexed: 01/25/2023] Open
Abstract
Seven yeast isolates were screened for the remediation of indeno(1,2,3-cd)pyrene (InP) using biosynthesized iron nanoparticles and produced biosurfactant in growth medium. Four yeast isolates showed positive response to produce biosurfactant which was confirmed by drop collapse test, emulsification index, methylene blue agar plate method, oil displacement test and lipase activity. The yeast strain showing maximum potential for InP degradation and biosurfactant production was identified as Candida tropicalis NN4. The produced biosurfactant was characterized as sophorolipid type through TLC and FTIR analysis. Iron nanoparticles were biosynthesized using mint leaf extract and characterized by various instrumental analysis. Response surface methodology (RSM), three-level five-variable Box-Behnken design (BBD) was employed to optimize the factors, viz., pH (7), temperature (30 °C), salt concentration (1.5 g L-1), incubation time (15 days) and iron nanoparticles concentration (0.02 g L-1) for maximum InP degradation (90.68 ± 0.7%) using C. tropicalis NN4. It was well in close agreement with the predicted value which was obtained by RSM model (90.68 ± 0.4%) indicating the validity of the model. InP degradation was confirmed through FTIR and GC-MS analysis. A kinetic study demonstrated that InP degradation fitted first-order kinetic model. This is the first report on yeast-mediated nanobioremediation of InP and optimization of the whole process using RSM.
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Affiliation(s)
- Nupur Ojha
- Bioremediation Laboratory, Department of Biomedical Sciences, School of Bio Sciences and Technology, VIT (Vellore Institute of Technology), Vellore, Tamil Nadu 632014 India
| | - Sanjeeb Kumar Mandal
- Bioremediation Laboratory, Department of Biomedical Sciences, School of Bio Sciences and Technology, VIT (Vellore Institute of Technology), Vellore, Tamil Nadu 632014 India
| | - Nilanjana Das
- Bioremediation Laboratory, Department of Biomedical Sciences, School of Bio Sciences and Technology, VIT (Vellore Institute of Technology), Vellore, Tamil Nadu 632014 India
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Su X, Wang Y, Xue B, Zhang Y, Mei R, Zhang Y, Hashmi MZ, Lin H, Chen J, Sun F. Resuscitation of functional bacterial community for enhancing biodegradation of phenol under high salinity conditions based on Rpf. BIORESOURCE TECHNOLOGY 2018; 261:394-402. [PMID: 29684869 DOI: 10.1016/j.biortech.2018.04.048] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 04/08/2018] [Accepted: 04/12/2018] [Indexed: 06/08/2023]
Abstract
This study assumed that key degraders of functional bacterial community were prone to enter into the viable but non-culturable (VBNC) state under high saline phenolic conditions, and resuscitation-promoting factor (Rpf) could strengthen these degraders for better performances. Based on these assumptions, Rpf was used to enhance salt-tolerant phenol-degrading capability of functional populations in activated sludge. Results suggested that Rpf accelerated the start-up process during sludge domestication, and significantly enhanced salt-tolerant phenol-degrading capability. High-throughput sequencing showed that the resuscitation and stimulation functions of Rpf linked mainly to the genus Corynebacterium within the phylum Actinobacteria, and the genera Proteiniphilum and Petrimonas within the phylum Bacteroidete. These key functional populations contributed to better phenol-degrading capabilities under high salinity conditions. This study indicated that Rpf is a promising additive for improving biological treatment performance of saline phenolic wastewater.
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Affiliation(s)
- Xiaomei Su
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Yuyang Wang
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Binbing Xue
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Yunge Zhang
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Rongwu Mei
- Environmental Science Research and Design Institute of Zhejiang Province, Hangzhou 310007, China
| | - Yu Zhang
- Environmental Science Research and Design Institute of Zhejiang Province, Hangzhou 310007, China
| | - Muhammad Zaffar Hashmi
- Department of Meteorology, COMSATS Institute of Information Technology, Islamabad 44000, Pakistan
| | - Hongjun Lin
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Jianrong Chen
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Faqian Sun
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China.
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