Relevant bibliographies by topics / F-specific RNA bacteriophages, fecal pollution

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'F-specific RNA bacteriophages, fecal pollution'

Author: Grafiati
Published: 4 June 2021
Last updated: 18 February 2022

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Journal articles on the topic "F-specific RNA bacteriophages, fecal pollution"

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Schaper, M., A. E. Durán, and J. Jofre. "Comparative Resistance of Phage Isolates of Four Genotypes of F-Specific RNA Bacteriophages to Various Inactivation Processes." Applied and Environmental Microbiology 68, no. 8 (2002): 3702–7. http://dx.doi.org/10.1128/aem.68.8.3702-3707.2002.

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ABSTRACT The effect of natural inactivation in freshwater, chlorination, ammonia, extreme pHs, temperature, and salt content on phage inactivation was evaluated on mixtures of F-specific RNA bacteriophage isolates belonging to genotypes I, II, III, and IV. The bacteriophages studied were previously but recently isolated from natural samples, characterized as F-specific RNA bacteriophages and genotyped by plaque hybridization with genotype-specific probes. Natural inactivation in river water was modeled by in situ incubation of bacteriophages inside submerged dialysis tubes. After several days
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Havelaar, A. H., and W. M. Pot-Hogeboom. "F-Specific RNA-Bacteriophages as Model Viruses in Water Hygiene: Ecological Aspects." Water Science and Technology 20, no. 11-12 (1988): 399–407. http://dx.doi.org/10.2166/wst.1988.0312.

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Model organisms can be used to detect the possible presence of pathogens (index-function) or to assess the performance of a treatment process (indicator-function). To evaluate the index-function of FRNA-phages their ecology was studied. These phages were shown to be absent from feces of humans, dogs, cows, horses and to occur in relatively low numbers only in feces of pigs and calves. High counts were obtained from feces of broiler chickens (103-107 pfu/g). In various types of wastewater, counts were usually between 103 and 104 pfu/ml. These high counts could not be explained by direct fecal i
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Blanch, Anicet R., Llu�s Belanche-Mu�oz, Xavier Bonjoch, et al. "Integrated Analysis of Established and Novel Microbial and Chemical Methods for Microbial Source Tracking." Applied and Environmental Microbiology 72, no. 9 (2006): 5915–26. http://dx.doi.org/10.1128/aem.02453-05.

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ABSTRACT Several microbes and chemicals have been considered as potential tracers to identify fecal sources in the environment. However, to date, no one approach has been shown to accurately identify the origins of fecal pollution in aquatic environments. In this multilaboratory study, different microbial and chemical indicators were analyzed in order to distinguish human fecal sources from nonhuman fecal sources using wastewaters and slurries from diverse geographical areas within Europe. Twenty-six parameters, which were later combined to form derived variables for statistical analyses, were
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Hartard, C., S. Banas, J. Loutreul, et al. "Relevance of F-Specific RNA Bacteriophages in Assessing Human Norovirus Risk in Shellfish and Environmental Waters." Applied and Environmental Microbiology 82, no. 18 (2016): 5709–19. http://dx.doi.org/10.1128/aem.01528-16.

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ABSTRACTHuman noroviruses (HuNoVs) are the main cause of shellfish-borne gastroenteritis outbreaks. In the absence of routine technical approaches allowing infectious particles to be detected, this viral pathogen is currently targeted by genome research, leading to difficult interpretations. In this study, we investigated the potential of F-specific RNA bacteriophages (FRNAPH) as fecal and viral contamination indicators in shellfish and water from a local harvesting area. FRNAPH were also used as microbial source tracking tools. Constraints imposed by detection limits are illustrated here by t
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Hartard, C., R. Rivet, S. Banas, and C. Gantzer. "Occurrence of and Sequence Variation among F-Specific RNA Bacteriophage Subgroups in Feces and Wastewater of Urban and Animal Origins." Applied and Environmental Microbiology 81, no. 18 (2015): 6505–15. http://dx.doi.org/10.1128/aem.01905-15.

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ABSTRACTF-specific RNA bacteriophages (FRNAPH) have been widely studied as tools for evaluating fecal or viral pollution in water. It has also been proposed that they can be used to differentiate human from animal fecal contamination. While FRNAPH subgroup I (FRNAPH-I) and FRNAPH-IV are often associated with animal pollution, FRNAPH-II and -III prevail in human wastewater. However, this distribution is not absolute, and variable survival rates in these subgroups lead to misinterpretation of the original distribution. In this context, we studied FRNAPH distribution in urban wastewater and anima
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Capizzi-Banas, Sandrine, Mélissa Palos Ladeiro, Fanny Bastien, et al. "The Utility of Dreissena polymorpha for Assessing the Viral Contamination of Rivers by Measuring the Accumulation of F-Specific RNA Bacteriophages." Water 13, no. 7 (2021): 904. http://dx.doi.org/10.3390/w13070904.

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River water that receives treated wastewater can be contaminated by pathogens including enteric viruses due to fecal pollution, which may represent an important public health hazard. There is a great diversity of enteric viruses and fecal bacteriophages, especially F-specific RNA bacteriophages (FRNAPHs), are commonly proposed as indicators of viral pollution due to a variety of characteristics such as their structural similarities to the main enteric viruses, their high concentrations in raw wastewater and their environmental survival rate, which is better than other cultivable enteric viruse
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Formiga-Cruz, M., A. K. Allard, A. C. Conden-Hansson, et al. "Evaluation of Potential Indicators of Viral Contamination in Shellfish and Their Applicability to Diverse Geographical Areas." Applied and Environmental Microbiology 69, no. 3 (2003): 1556–63. http://dx.doi.org/10.1128/aem.69.3.1556-1563.2003.

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ABSTRACT The distribution of the concentration of potential indicators of fecal viral pollution in shellfish was analyzed under diverse conditions over 18 months in diverse geographical areas. These microorganisms have been evaluated in relation to contamination by human viral pathogens detected in parallel in the analyzed shellfish samples. Thus, significant shellfish-growing areas from diverse countries in the north and south of Europe (Greece, Spain, Sweden, and the United Kingdom) were defined and studied by analyzing different physicochemical parameters in the water and the levels of Esch
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Doré, William J., Kathleen Henshilwood, and David N. Lees. "Evaluation of F-Specific RNA Bacteriophage as a Candidate Human Enteric Virus Indicator for Bivalve Molluscan Shellfish." Applied and Environmental Microbiology 66, no. 4 (2000): 1280–85. http://dx.doi.org/10.1128/aem.66.4.1280-1285.2000.

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ABSTRACT Escherichia coli is a widely utilized indicator of the sanitary quality of bivalve molluscan shellfish sold for human consumption. However, it is now well documented that shellfish that meet the E. coli standards for human consumption may contain human enteric viruses that cause gastroenteritis and hepatitis. In this study we investigated using F-specific RNA bacteriophage (FRNA bacteriophage) to indicate the likely presence of such viruses in shellfish sold for consumption. FRNA bacteriophage and E. coli levels were determined over a 2-year period for oysters (Crassostrea gigas) harv
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Wolf, Sandro, Joanne Hewitt, and Gail E. Greening. "Viral Multiplex Quantitative PCR Assays for Tracking Sources of Fecal Contamination." Applied and Environmental Microbiology 76, no. 5 (2010): 1388–94. http://dx.doi.org/10.1128/aem.02249-09.

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ABSTRACT Human and animal fecal pollution of the environment presents a risk to human health because of the presence of pathogenic viruses and bacteria. To distinguish between human and animal sources of pollution, we designed specific real-time reverse transcription (RT)-PCR assays for human and animal enteric viruses, including norovirus genogroups I, II, and III; porcine adenovirus types 3 and 5; ovine adenovirus; atadenovirus; and human adenovirus species C and F, which are excreted by infected humans, pigs, cattle, sheep, deer, and goats, and for the detection of F+ RNA bacteriophage geno
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Janahi, Essam M., Sakina Mustafa, Saba F. D. Parkar, Humood A. Naser, and Zaki M. Eisa. "Detection of Enteric Viruses and Bacterial Indicators in a Sewage Treatment Center and Shallow Water Bay." International Journal of Environmental Research and Public Health 17, no. 18 (2020): 6483. http://dx.doi.org/10.3390/ijerph17186483.

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The incidence of enteric viruses in treated wastewater and their potential release into the environment or use for agriculture are very critical matters in public health. In our study, PCR (polymerase chain reaction) analysis of enteric viruses was performed on 59 samples of influents and effluents collected from Tubli wastewater treatment plant (Water Pollution Control Center (WPCC)) and Tubli Bay, where the effluents were discharged, in Kingdom of Bahrain during two sampling periods. Four clinically essential waterborne enteric viruses were examined: enterovirus (EV), hepatitis A virus (HAV)
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Dissertations / Theses on the topic "F-specific RNA bacteriophages, fecal pollution"

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Hartard, Cédric. "Les bactériophages ARN F-spécifiques comme indicateurs du danger viral lié à la pollution fécale des matrices hydriques et alimentaires." Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0152/document.

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Les virus entériques sont à l’origine de pathologies liées au péril fécal et dans l’état actuel des connaissances, la recherche des indicateurs de pollution fécale conventionnels (i.e. Escherichia coli, entérocoques) peut s’avérer inefficace pour évaluer le danger viral. La définition d’autres indicateurs pour gérer le danger lié à la présence des virus entériques dans les matrices hydriques et alimentaires est aujourd’hui nécessaire. Parmi eux, les bactériophages ARN F-spécifiques (FRNAPH) présentent plusieurs intérêts. Ces virus d’origine entérique sont présents en quantité importante dans l
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Fauvel, Blandine. "Étude du transport et du devenir des bactériophages ARN F-spécifiques dans les eaux de la rivière de l’Alzette : influence des caractéristiques virales et hydro-climatologiques." Thesis, Université de Lorraine, 2016. http://www.theses.fr/2016LORR0268/document.

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Introduits dans l’environnement par l’intermédiaire de sources ponctuelles et diffuses, les virus et les bactériophages entériques peuvent se propager dans les cours d’eau par l’intermédiaire de différentes voies de dissémination. Détectées à la fois dans les eaux de surface et les sédiments des rivières, ces particules virales demeurent inertes dans le milieu hydrique. Leur propagation dépend donc uniquement des nombreuses interactions qu’elles partagent avec leur environnement. Qui plus est, la contamination virale des ressources en eau semble étroitement liée aux variations hydro-climatolog
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