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Liu Z, Lin Y, Ge Y, Zhu Z, Yuan J, Yin Q, Liu B, He K, Hu M. Meta-analysis of microbial source tracking for the identification of fecal contamination in aquatic environments based on data-mining. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 345:118800. [PMID: 37591102 DOI: 10.1016/j.jenvman.2023.118800] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/29/2023] [Accepted: 08/10/2023] [Indexed: 08/19/2023]
Abstract
Microbial source tracking (MST) technology represents an innovative approach employed to trace fecal contamination in environmental water systems. The performance of primers may be affected by amplification techniques, target primer categories, and regional differences. To investigate the influence of these factors on primer recognition performance, a meta-analysis was conducted on the application of MST in water environments using three databases: Web of Science, Scopus, and PubMed (n = 2291). After data screening, 46 studies were included in the final analysis. The investigation encompassed Polymerase Chain Reaction (PCR)/quantitative PCR (qPCR) methodologies, dye-based (SYBR)/probe-based (TaqMan) techniques, and geographical differences of a human host-specific (HF183) primer and other 21 additional primers. The results indicated that the primers analyzed were capable of differentiating host specificity to a certain degree. Nonetheless, by comparing sensitivity and specificity outcomes, it was observed that virus-based primers exhibited superior specificity and recognition capacity, as well as a stronger correlation with human pathogenicity in water environments compared to bacteria-based primers. This finding highlights an important direction for future advancements. Moreover, within the same category, qPCR did not demonstrate significant benefits over conventional PCR amplification methods. In comparing dye-based and probe-based techniques, it was revealed that the probe-based method's advantage lay primarily in specificity, which may be associated with the increased propensity of dye-based methods to produce false positives. Furthermore, the heterogeneity of the HF183 primer was not detected in China, Canada, and Singapore respectively, indicating a low likelihood of regional differences. The variation among the 21 other primers may be attributable to regional differences, sample sources, detection techniques, or alternative factors. Finally, we identified that economic factors, climatic conditions, and geographical distribution significantly influence primer performance.
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Affiliation(s)
- Zejun Liu
- School of Civil Engineering, Sun Yat-Sen University, Zhuhai, 519082, China; Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou, 510070, China
| | - Yingying Lin
- School of Civil Engineering, Sun Yat-Sen University, Zhuhai, 519082, China
| | - Yanhong Ge
- Guangdong Infore Technology Co., Ltd, Foshan, 528322, China
| | - Ziyue Zhu
- School of Civil Engineering, Sun Yat-Sen University, Zhuhai, 519082, China
| | - Jinlong Yuan
- School of Civil Engineering, Sun Yat-Sen University, Zhuhai, 519082, China
| | - Qidong Yin
- School of Civil Engineering, Sun Yat-Sen University, Zhuhai, 519082, China
| | - Bingjun Liu
- School of Civil Engineering, Sun Yat-Sen University, Zhuhai, 519082, China
| | - Kai He
- School of Civil Engineering, Sun Yat-Sen University, Zhuhai, 519082, China.
| | - Maochuan Hu
- School of Civil Engineering, Sun Yat-Sen University, Zhuhai, 519082, China; Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou, 510070, China.
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Dunowska M, Perrott M, Biggs P. Identification of a novel polyomavirus from a marsupial host. Virus Evol 2022; 8:veac096. [PMID: 36381233 PMCID: PMC9662318 DOI: 10.1093/ve/veac096] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 09/09/2022] [Accepted: 10/05/2022] [Indexed: 08/26/2023] Open
Abstract
We report the identification and analysis of a full sequence of a novel polyomavirus from a brushtail possum (Trichosurus vulpecula ) termed possum polyomavirus (PPyV). The sequence was obtained from the next-generation sequencing assembly during an investigation into the aetiological agent for a neurological disease of possums termed wobbly possum disease (WPD), but the virus was not aetiologically involved in WPD. The PPyV genome was 5,224 nt long with the organisation typical for polyomaviruses, including early (large and small T antigens) and late (Viral Protein 1 (VP1), VP2, and VP3) coding regions separated by the non-coding control region of 465 nt. PPyV clustered with betapolyomaviruses in the WUKI clade but showed less than 60 per cent identity to any of the members of this clade. We propose that PPyV is classified within a new species in the genus Betapolyomavirus . These data add to our limited knowledge of marsupial viruses and their evolution.
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Affiliation(s)
- Magdalena Dunowska
- School of Veterinary Science, Massey University, Palmerston North 4410, New Zealand
| | - Matthew Perrott
- School of Veterinary Science, Massey University, Palmerston North 4410, New Zealand
| | - Patrick Biggs
- School of Veterinary Science, Massey University, Palmerston North 4410, New Zealand
- School of Natural Sciences, Massey University, Palmerston North 4410, New Zealand
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Zhi S, Banting G, Neumann NF. Development of a qPCR assay for the detection of naturalized wastewater E. coli strains. JOURNAL OF WATER AND HEALTH 2022; 20:727-736. [PMID: 35482388 DOI: 10.2166/wh.2022.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
We recently demonstrated the presence of naturalized populations of Escherichia coli in municipal sewage. We wanted to develop a quantitative polymerase chain reaction (qPCR) assay targeting the uspC-IS30-flhDC marker of naturalized wastewater E. coli and assess the prevalence of these naturalized strains in wastewater. The limit of detection for the qPCR assay was 3.0 × 10-8 ng of plasmid DNA template with 100% specificity. This strain was detected throughout the wastewater treatment process, including treated effluents. We evaluated the potential of this marker for detecting municipal sewage/wastewater contamination in water by comparing it to other human and animal markers of fecal pollution. Strong correlations were observed between the uspC-IS30-flhDC marker and the human fecal markers Bacteroides HF183 and HumM2, but not animal fecal markers, in surface and stormwater samples. The uspC-IS30-flhDC marker appears to be a potential E. coli-based marker for human wastewater contamination.
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Affiliation(s)
- Shuai Zhi
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315200, China E-mail: ; School of Medicine, Ningbo University, Ningbo 315211, China
| | - Graham Banting
- School of Public Health, University of Alberta, Room 3-57, South Academic Building, Edmonton, Alberta T6G 2G7, Canada
| | - Norman F Neumann
- School of Public Health, University of Alberta, Room 3-57, South Academic Building, Edmonton, Alberta T6G 2G7, Canada
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Denissen JK, Reyneke B, Waso M, Khan S, Khan W. Human Pathogenic Bacteria Detected in Rainwater: Risk Assessment and Correlation to Microbial Source Tracking Markers and Traditional Indicators. Front Microbiol 2021; 12:659784. [PMID: 34025613 PMCID: PMC8138566 DOI: 10.3389/fmicb.2021.659784] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 04/09/2021] [Indexed: 11/22/2022] Open
Abstract
Roof-harvested rainwater (RHRW) was investigated for the presence of the human pathogenic bacteria Mycobacterium tuberculosis (M. tuberculosis), Yersinia spp. and Listeria monocytogenes (L. monocytogenes). While Yersinia spp. were detected in 92% (n = 25) of the RHRW samples, and L. monocytogenes and M. tuberculosis were detected in 100% (n = 25) of the samples, a significantly higher mean concentration (1.4 × 103 cells/100 mL) was recorded for L. monocytogenes over the sampling period. As the identification of appropriate water quality indicators is crucial to ensure access to safe water sources, correlation of the pathogens to traditional indicator organisms [Escherichia coli (E. coli) and Enterococcus spp.] and microbial source tracking (MST) markers (Bacteroides HF183, adenovirus and Lachnospiraceae) was conducted. A significant positive correlation was then recorded for E. coli versus L. monocytogenes (r = 0.6738; p = 0.000), and Enterococcus spp. versus the Bacteroides HF183 marker (r = 0.4071; p = 0.043), while a significant negative correlation was observed for M. tuberculosis versus the Bacteroides HF183 marker (r = −0.4558; p = 0.022). Quantitative microbial risk assessment indicated that the mean annual risk of infection posed by L. monocytogenes in the RHRW samples exceeded the annual infection risk benchmark limit (1 × 10–4 infections per person per year) for intentional drinking (∼10–4). In comparison, the mean annual risk of infection posed by E. coli was exceeded for intentional drinking (∼10–1), accidental consumption (∼10–3) and cleaning of the home (∼10–3). However, while the risk posed by M. tuberculosis for the two relevant exposure scenarios [garden hosing (∼10–5) and washing laundry by hand (∼10–5)] was below the benchmark limit, the risk posed by adenovirus for garden hosing (∼10–3) and washing laundry by hand (∼10–3) exceeded the benchmark limit. Thus, while the correlation analysis confirms that traditional indicators and MST markers should be used in combination to accurately monitor the pathogen-associated risk linked to the utilisation of RHRW, the integration of QMRA offers a more site-specific approach to monitor and estimate the human health risks associated with the use of RHRW.
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Affiliation(s)
- Julia K Denissen
- Department of Microbiology, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa
| | - Brandon Reyneke
- Department of Microbiology, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa
| | - Monique Waso
- Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
| | - Sehaam Khan
- Faculty of Health Sciences, University of Johannesburg, Doornfontein, South Africa
| | - Wesaal Khan
- Department of Microbiology, Faculty of Science, Stellenbosch University, Stellenbosch, South Africa
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Tao P, Jin M, Yu X, Yu J, Zheng R. Spatiotemporal variations in chromophoric dissolved organic matter (CDOM) in a mixed land-use river: Implications for surface water restoration. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 277:111498. [PMID: 33069153 DOI: 10.1016/j.jenvman.2020.111498] [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: 07/06/2020] [Revised: 09/26/2020] [Accepted: 10/04/2020] [Indexed: 06/11/2023]
Abstract
A challenge for current surface water restoration and management in China is acquiring the source information for complex pollution scenarios in order to develop effective control strategies. As an important part of dissolved organic matter, chromophoric dissolved organic matter (CDOM) contains unique chemical signals related to various pollution sources. Spectral methods such as fluorescence excitation-emission matrices coupled with parallel factor analysis enable rapid and low-cost CDOM characterization for source tracking. In this study, a typical small-sized river flowing through mixed land-use regions in southeastern China, the Lujiang River, was investigated to determine the responses of CDOM to spatiotemporal factors. The effects of land-use patterns were reflected by the fluorescent components of terrestrial and sewage substances. A high and stable proportion of terrestrial-like components (C1 + C2) in each sampling period (i.e., March: 47.6 ± 5.7% and October: 44.3 ± 2.7%) indicated a high input of non-point source (NPS) pollution from both agriculture and urban areas. In addition, the difference in solar radiation intensity induced by climate and air quality changes was also reflected by variability in the photodegradation product component (C3) of terrestrial precursors between October (24.8 ± 2.6%) and March (4.5 ± 2.0%), suggesting that terrestrial components could be a sensitive indicator for NPS pollutant monitoring. Increased sewage impact in downstream regions was reflected by a spike in the tryptophan-like component (C4); temporal variations in C4 (paired t-Test, p < 0.005) also indicated that sewage substances were more prone to removal by microbial activity in warmer seasons. The dynamics of C4 could serve as a good indicator of sewage disposal performance. The results of this study demonstrate that CDOM data have important practical applications for existing water restoration campaigns in southeastern China, as well as substantial potential for routine water quality monitoring.
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Affiliation(s)
- Peiran Tao
- School of Civil and Environmental Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Meng Jin
- School of Civil and Environmental Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Xubiao Yu
- School of Civil and Environmental Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China.
| | - Jie Yu
- School of Civil and Environmental Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China
| | - Rongyue Zheng
- School of Civil and Environmental Engineering, Ningbo University, Ningbo, Zhejiang, 315211, China
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6
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Phiri BJ, Hayman DTS, Biggs PJ, French NP, Garcia-R JC. Microbial diversity in water and animal faeces: a metagenomic analysis to assess public health risk. NEW ZEALAND JOURNAL OF ZOOLOGY 2020. [DOI: 10.1080/03014223.2020.1831556] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Bernard J. Phiri
- Biosecurity Surveillance and Incursion Investigation Team, Ministry for Primary Industries, Wellington, New Zealand
| | - David T. S. Hayman
- Molecular Epidemiology and Public Health Laboratory, Hopkirk Research Institute, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Patrick J. Biggs
- Molecular Epidemiology and Public Health Laboratory, Hopkirk Research Institute, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Nigel P. French
- Molecular Epidemiology and Public Health Laboratory, Hopkirk Research Institute, School of Veterinary Science, Massey University, Palmerston North, New Zealand
| | - Juan C. Garcia-R
- Molecular Epidemiology and Public Health Laboratory, Hopkirk Research Institute, School of Veterinary Science, Massey University, Palmerston North, New Zealand
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Devane ML, Moriarty EM, Robson B, Lin S, Wood D, Webster-Brown J, Gilpin BJ. Relationships between chemical and microbial faecal source tracking markers in urban river water and sediments during and post-discharge of human sewage. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 651:1588-1604. [PMID: 30360285 DOI: 10.1016/j.scitotenv.2018.09.258] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 09/19/2018] [Accepted: 09/20/2018] [Indexed: 06/08/2023]
Abstract
This study explores the relationships between faecal source tracking (FST) markers (quantitative Polymerase Chain Reaction (qPCR) markers and steroids), microbial indicators, the faecal ageing ratio of atypical colonies/total coliforms (AC/TC) and potential human pathogens (Giardia, Cryptosporidium and Campylobacter). Faecal source PCR markers tested were GenBac3, HumM3, HumBac (HF183-Bac708R); Bifidobacterium adolescentis, wildfowl and canine-associated markers. Sediment and water samples from the Avon River were collected during and post-discharge of untreated human sewage inputs, following a series of earthquakes, which severely damaged the Christchurch sewerage system. Significant, positive Spearman Ranks (rs) correlations were observed between human-associated qPCR markers and steroid FST markers and Escherichia coli and F-specific RNA bacteriophage (rs 0.57 to 0.84, p < 0.001) in water samples. These human source indicative FST markers demonstrated that they were also effective predictors of potentially pathogenic protozoa in water (rs 0.43-0.74, p ≤ 0.002), but correlated less well with Campylobacter. Human-associated qPCR and steroid markers showed significant, substantial agreement between the two FST methods (Cohen's kappa, 0.78, p = 0.023), suggesting that water managers could be confident in the results using either method under these contamination conditions. Low levels of fluorescent whitening agents (FWA) (mean 0.06 μg/L, range 0.01-0.40 μg/L) were observed in water throughout the study, but steroids and FWA appeared to be retained in river sediments, months after continuous sewage discharges had ceased. No relationship was observed between chemical FST markers in sediments and the overlying water, and few correlations in sediment between chemical FST markers and target microorganisms. The low values observed for the faecal ageing ratio, AC/TC in water, were significantly, negatively correlated with increasing pathogen detection. This study provides support for the use of the AC/TC ratio, and qPCR and steroid FST markers as indicators of health risks associated with the discharge of raw human sewage into a freshwater system.
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Affiliation(s)
- Megan L Devane
- Institute of Environmental Science and Research Limited, Christchurch Science Centre, PO Box 29-181, Christchurch, New Zealand.
| | - Elaine M Moriarty
- Institute of Environmental Science and Research Limited, Christchurch Science Centre, PO Box 29-181, Christchurch, New Zealand
| | - Beth Robson
- Institute of Environmental Science and Research Limited, Christchurch Science Centre, PO Box 29-181, Christchurch, New Zealand
| | - Susan Lin
- Institute of Environmental Science and Research Limited, Christchurch Science Centre, PO Box 29-181, Christchurch, New Zealand
| | - David Wood
- Institute of Environmental Science and Research Limited, Christchurch Science Centre, PO Box 29-181, Christchurch, New Zealand
| | - Jenny Webster-Brown
- Waterways Centre for Freshwater Management, University of Canterbury, Private Bag 4800, Christchurch, New Zealand
| | - Brent J Gilpin
- Institute of Environmental Science and Research Limited, Christchurch Science Centre, PO Box 29-181, Christchurch, New Zealand
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8
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Devane ML, Weaver L, Singh SK, Gilpin BJ. Fecal source tracking methods to elucidate critical sources of pathogens and contaminant microbial transport through New Zealand agricultural watersheds - A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2018; 222:293-303. [PMID: 29860123 DOI: 10.1016/j.jenvman.2018.05.033] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 05/07/2018] [Accepted: 05/11/2018] [Indexed: 06/08/2023]
Abstract
In New Zealand, there is substantial potential for microbial contaminants from agricultural fecal sources to be transported into waterways. The flow and transport pathways for fecal contaminants vary at a range of scales and is dependent on chemical, physical and biological attributes of pathways, soils, microorganisms and landscape characteristics. Understanding contaminant transport pathways from catchment to stream can aid water management strategies. It is not practical, however to conduct direct field measurement for all catchments on the fate and transport of fecal pathogens due to constraints on time, personnel, and material resources. To overcome this problem, fecal source tracking can be utilised to link catchment characteristics to fecal signatures identifying critical sources. In this article, we have reviewed approaches to identifying critical sources and pathways for fecal microorganisms from agricultural sources, and make recommendations for the appropriate use of these fecal source tracking (FST) tools.
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Affiliation(s)
- Megan L Devane
- Institute of Environmental Science and Research Ltd. (ESR), P.O. Box 29181, Christchurch, New Zealand.
| | - Louise Weaver
- Institute of Environmental Science and Research Ltd. (ESR), P.O. Box 29181, Christchurch, New Zealand
| | - Shailesh K Singh
- National Institute of Water and Atmospheric Research, 10 Kyle St, Riccarton Christchurch, 8011, New Zealand
| | - Brent J Gilpin
- Institute of Environmental Science and Research Ltd. (ESR), P.O. Box 29181, Christchurch, New Zealand
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Nshimyimana JP, Martin SL, Flood M, Verhougstraete MP, Hyndman DW, Rose JB. Regional Variations of Bovine and Porcine Fecal Pollution as a Function of Landscape, Nutrient, and Hydrological Factors. JOURNAL OF ENVIRONMENTAL QUALITY 2018; 47:1024-1032. [PMID: 30272781 DOI: 10.2134/jeq2017.11.0438] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The effects of manure application in agriculture on surface water quality has become a local to global problem because of the adverse consequences on public health and food security. This study evaluated (i) the spatial distribution of bovine (cow) and porcine (pig) genetic fecal markers, (ii) how hydrologic factors influenced these genetic markers, and (iii) their variations as a function of land use, nutrients, and other physiochemical factors. We collected 189 samples from 63 watersheds in Michigan's Lower Peninsula during baseflow, spring melt, and summer rain conditions. For each sample, we quantified the concentrations of bovine and porcine genetic markers by digital droplet polymerase chain reaction and measured , dissolved oxygen, pH, temperature, total phosphorus, total nitrogen, nitrate-nitrite (NO), ammonia (NH), soluble reactive phosphorus, streamflow, and watershed specific precipitation. Bovine and porcine manure markers were ubiquitous in rivers that drain agricultural and natural fields across the study region. This study provides baseline conditions on the state of watershed impairment, which can be used to develop best management practices that could improve water quality. Similar studies should be performed with higher spatial sampling density to elucidate detailed factors that influence the transport of manure constituents.
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Jardé E, Jeanneau L, Harrault L, Quenot E, Solecki O, Petitjean P, Lozach S, Chevé J, Gourmelon M. Application of a microbial source tracking based on bacterial and chemical markers in headwater and coastal catchments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 610-611:55-63. [PMID: 28802110 DOI: 10.1016/j.scitotenv.2017.07.235] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/25/2017] [Accepted: 07/26/2017] [Indexed: 05/20/2023]
Abstract
This study identified sources of fecal contamination in three different French headwater and coastal catchments (the Justiçou, Pen an Traon, and La Fresnaye) using a combination of microbial source tracking tools. The tools included bacterial markers (three host-associated Bacteroidales) and chemical markers (six fecal stanols), which were monitored monthly over one or two years in addition to fecal indicator bacteria. 168 of the 240 freshwater and marine water samples had Escherichia coli (E. coli) or enterococci concentrations higher than "excellent" European water quality threshold. In the three catchments, the results suggested that the fecal contamination appeared to be primarily from an animal origin and particularly from a bovine origin in 52% (Rum2Bac) and 46% (Bstanol) of the samples and to a lesser extent from a porcine origin in 19% (Pig2Bac) and 21% (Pstanol) of the samples. Our results suggested a human fecal contamination in 56% (HF183) and 32% (Hstanol) of the samples. Rainfall also impacted the source identification of microbial contamination. In general, these findings could inform effective implementation of microbial source tracking strategies, specifically that the location of sampling points must include variability at the landscape scale.
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Affiliation(s)
- Emilie Jardé
- Geosciences Rennes CNRS UMR6118, Campus de Beaulieu, Bat. 15, 263 avenue du Général Leclerc, 35042 Rennes, France.
| | - Laurent Jeanneau
- Geosciences Rennes CNRS UMR6118, Campus de Beaulieu, Bat. 15, 263 avenue du Général Leclerc, 35042 Rennes, France
| | - Loïc Harrault
- Geosciences Rennes CNRS UMR6118, Campus de Beaulieu, Bat. 15, 263 avenue du Général Leclerc, 35042 Rennes, France
| | - Emmanuelle Quenot
- Ifremer, RBE-SG2M-LSEM, Laboratoire Santé Environnement Microbiologie, ZI de la Pointe du Diable, CS 10070, 29280 Plouzané, France
| | - Olivia Solecki
- IRSTEA, UR OPAALE, 17 avenue de Cucillé, CS 64427, 35044 Rennes, France
| | - Patrice Petitjean
- Geosciences Rennes CNRS UMR6118, Campus de Beaulieu, Bat. 15, 263 avenue du Général Leclerc, 35042 Rennes, France
| | - Solen Lozach
- Ifremer, RBE-SG2M-LSEM, Laboratoire Santé Environnement Microbiologie, ZI de la Pointe du Diable, CS 10070, 29280 Plouzané, France
| | - Julien Chevé
- Ifremer, Laboratoire Environnement Ressources de Bretagne Nord, 38 rue du Port Blanc, BP 70134, 35801 Dinard, France
| | - Michèle Gourmelon
- Ifremer, RBE-SG2M-LSEM, Laboratoire Santé Environnement Microbiologie, ZI de la Pointe du Diable, CS 10070, 29280 Plouzané, France
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11
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Tort LFL, Iglesias K, Bueno C, Lizasoain A, Salvo M, Cristina J, Kandratavicius N, Pérez L, Figueira R, Bícego MC, Taniguchi S, Venturini N, Brugnoli E, Colina R, Victoria M. Wastewater contamination in Antarctic melt-water streams evidenced by virological and organic molecular markers. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 609:225-231. [PMID: 28743008 DOI: 10.1016/j.scitotenv.2017.07.127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 07/13/2017] [Accepted: 07/14/2017] [Indexed: 06/07/2023]
Abstract
Human activities in the Antarctica including tourism and scientific research have been raised substantially in the last century with the concomitant impact on the Antarctic ecosystems through the release of wastewater mainly from different scientific stations activities. The aim of this study was to assess the wastewater contamination of surface waters and sediments of three melt-water streams (11 sites) by leaking septic tanks located in the vicinity of the Uruguayan Scientific Station in the Fildes Peninsula, King George Island, Antarctica, during summer 2015. For this purpose, we combined the analysis of fecal steroids in sediments by using gas chromatography and six enteric viruses in surface waters by quantitative and qualitative PCR. Coprostanol concentrations (from 0.03 to 3.31μgg-1) and fecal steroids diagnostic ratios indicated that stations C7 and C8 located in the kitchen stream presented sewage contamination. Rotavirus was the only enteric virus detected in five sites with concentration ranging from 1.2×105gcL-1 to 5.1×105gcL-1 being three of them located downstream from the leaking AINA and Kitchen septic tanks. This study shows for the first time the presence of both virological and molecular biomarkers of wastewater pollution in surface waters and sediments of three melt-water streams in the vicinity of a scientific station in the Antarctica. These results highlight the importance of the complementation of these biomarkers in two different matrices (surface waters and sediments) to assess wastewater pollution in an Antarctic environment related to anthropogenic activities in the area.
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Affiliation(s)
- L F L Tort
- Laboratorio de Virología Molecular, Sede Salto del CENUR Litoral Norte, Universidad de la República, Rivera 1350, Salto 50000, Uruguay
| | - K Iglesias
- Laboratorio de Biogeoquímica Marina, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay
| | - C Bueno
- Oceanografía y Ecología Marina, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay
| | - A Lizasoain
- Laboratorio de Virología Molecular, Sede Salto del CENUR Litoral Norte, Universidad de la República, Rivera 1350, Salto 50000, Uruguay
| | - M Salvo
- Laboratorio de Virología Molecular, Sede Salto del CENUR Litoral Norte, Universidad de la República, Rivera 1350, Salto 50000, Uruguay
| | - J Cristina
- Laboratorio de Virología Molecular, Centro de Investigaciones Nucleares, Facultad de Ciencias, Universidad de la República, Mataojo 2055, Montevideo (11400) Uruguay
| | - N Kandratavicius
- Oceanografía y Ecología Marina, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay
| | - L Pérez
- Centro Universitario de la Regional Este, Universidad de la República, Ruta 9 y Ruta 15, Rocha, Uruguay
| | - R Figueira
- Instituto Oceanográfico da Universidade de São Paulo, Praça do Oceanográfico 191, Cidade Universitária (05508-120), São Paulo, SP, Brazil
| | - M C Bícego
- Instituto Oceanográfico da Universidade de São Paulo, Praça do Oceanográfico 191, Cidade Universitária (05508-120), São Paulo, SP, Brazil
| | - S Taniguchi
- Instituto Oceanográfico da Universidade de São Paulo, Praça do Oceanográfico 191, Cidade Universitária (05508-120), São Paulo, SP, Brazil
| | - N Venturini
- Laboratorio de Biogeoquímica Marina, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay
| | - E Brugnoli
- Oceanografía y Ecología Marina, IECA, Facultad de Ciencias, Universidad de la República, Iguá 4225, Montevideo 11400, Uruguay
| | - R Colina
- Laboratorio de Virología Molecular, Sede Salto del CENUR Litoral Norte, Universidad de la República, Rivera 1350, Salto 50000, Uruguay
| | - M Victoria
- Laboratorio de Virología Molecular, Sede Salto del CENUR Litoral Norte, Universidad de la República, Rivera 1350, Salto 50000, Uruguay.
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