Coliphages as an indicator of faecal pollution in water. Its relationship with indicator and pathogenic microorganisms |
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Authors: | Juan J Borrego Miguel A Moriigo Antonio de Vicente Roberto Crnax Pedro Romero |
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Affiliation: | Department of Microbiology, Faculty of Sciences, University of Málaga, 29071-, Málaga, Spain |
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Abstract: | The study was designed to test the proposal that Escherichia coli specific bacteriophages might serve as universal faecal pollution indicators in water. A highly specific, sensitive and rapid technique for the detection and quantification of these virus particles was developed. The numerical relationship between E. coli and its parasitic phages was investigated in three different aqueous ecosystems such as sea water in the vicinity of sewage outfalls, river water contaminated by domestic and industrial sewage discharges, and estuarine waters, and found to be very close. In addition, the results obtained indicate that the coliphages are good indicators of the presence of the pathogenic microorganisms studied. In nearly all the water samples tested, the results suggest that coliphages are better indicators of faecal pollution than the classical indicator systems currently employed. |
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Keywords: | coliphages water pollution faecal indicators bacterial indicators pathogenic microorganisms viral analysis water quality aquatic environments host-parasite system Salmonella spp Pseudomonas aeruginosa Candida albicans |
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