Comparison of the efficacy of an existing versus a locally developed metabolic fingerprint database to identify non-point sources of faecal contamination in a coastal lake

Warish Ahmed; Jack Tucker; James Harper; Ronald J Neller; Mohammad Katouli

doi:10.1016/j.watres.2006.04.016

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Comparison of the efficacy of an existing versus a locally developed metabolic fingerprint database to identify non-point sources of faecal contamination in a coastal lake

Journal article

Peer reviewed

Comparison of the efficacy of an existing versus a locally developed metabolic fingerprint database to identify non-point sources of faecal contamination in a coastal lake

Warish Ahmed, Jack Tucker, James Harper, Ronald J Neller and Mohammad Katouli

Water Research, Vol.40(12), pp.2339-2348

2006

DOI: https://doi.org/10.1016/j.watres.2006.04.016

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Abstract

faecal contamination

Enterococci

Escherichia coli

biochemical fingerprinting

microbial source tracking

A comparison of the efficacy of an existing large metabolic fingerprint database of enterococci and Escherichia coli with a locally developed database was undertaken to identify the sources of faecal contamination in a coastal lake, in southeast Qld., Australia. The local database comprised of 776 enterococci and 780 E. coli isolates from six host groups. In all, 189 enterococci and 245 E. coli biochemical phenotypes (BPTs) were found, of which 118 and 137 BPTs were unique (UQ) to host groups. The existing database comprised of 295 enterococci UQ-BPTs and 273 E. coli UQ-BPTs from 10 host groups. The representativeness and the stability of the existing database were assessed by comparing with isolates that were external to the database. In all, 197 enterococci BPTs and 179 E. coli BPTs were found in water samples. The existing database was able to identify 62.4% of enterococci BPTs and 64.8% of E. coli BPTs as human and animal sources. The results indicated that a representative database developed from a catchment can be used to predict the sources of faecal contamination in another catchment with similar landuse features within the same geographical area. However, the representativeness and the stability of the database should be evaluated prior to its application in such investigation.

Details

Title: Comparison of the efficacy of an existing versus a locally developed metabolic fingerprint database to identify non-point sources of faecal contamination in a coastal lake
Authors: Warish Ahmed (Author) - University of the Sunshine Coast - Faculty of Science, Health and Education
Jack Tucker (Author) - University of the Sunshine Coast - Faculty of Science, Health and Education
James Harper (Author) - University of the Sunshine Coast - Faculty of Science, Health and Education
Ronald J Neller (Author) - University of the Sunshine Coast - Faculty of Science, Health and Education
Mohammad Katouli (Author) - University of the Sunshine Coast - Faculty of Science, Health and Education
Publication details: Water Research, Vol.40(12), pp.2339-2348
Publisher: IWA Publishing
Date published: 2006
DOI: 10.1016/j.watres.2006.04.016
ISSN: 0043-1354
Organisation Unit: School of Science and Engineering - Legacy; School of Education - Legacy; University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy; School of Health and Sport Sciences - Legacy; School of Science, Technology and Engineering; Centre for Bioinnovation
Language: English
Record Identifier: 99449799402621
Output Type: Journal article

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