Opportunities and limitations of molecular methods for quantifying microbial compliance parameters in EU bathing waters

Oliver, David M. and van Niekerk, Melanie and Kay, David and Heathwaite, A. Louise and Porter, Jonathan and Fleming, Lora E. and Kinzelman, Julie L. and Connolly, Elaine and Cummins, Andy and McPhail, Calum and Rahman, Amanna and Thairs, Ted and de Roda Husman, Ana Maria and Hanley, Nick D. and Dunhill, Ian and Globevnik, Lidija and Harwood, Valerie J. and Hodgson, Chris J. and Lees, David N. and Nichols, Gordon L. and Nocker, Andreas and Schets, Ciska and Quilliam, Richard S. (2014) Opportunities and limitations of molecular methods for quantifying microbial compliance parameters in EU bathing waters. Environment International, 64. pp. 124-128. ISSN 0160-4120

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Abstract

The debate over the suitability of molecular biological methods for the enumeration of regulatory microbial parameters (e.g. Faecal Indicator Organisms [FIOs]) in bathing waters versus the use of traditional culture-based methods is of current interest to regulators and the science community. Culture-based methods require a 24-48hour turn-around time from receipt at the laboratory to reporting, whilst quantitative molecular tools provide a more rapid assay (approximately 2-3h). Traditional culturing methods are therefore often viewed as slow and 'out-dated', although they still deliver an internationally 'accepted' evidence-base. In contrast, molecular tools have the potential for rapid analysis and their operational utility and associated limitations and uncertainties should be assessed in light of their use for regulatory monitoring. Here we report on the recommendations from a series of international workshops, chaired by a UK Working Group (WG) comprised of scientists, regulators, policy makers and other stakeholders, which explored and interrogated both molecular (principally quantitative polymerase chain reaction [qPCR]) and culture-based tools for FIO monitoring under the European Bathing Water Directive. Through detailed analysis of policy implications, regulatory barriers, stakeholder engagement, and the needs of the end-user, the WG identified a series of key concerns that require critical appraisal before a potential shift from culture-based approaches to the employment of molecular biological methods for bathing water regulation could be justified.

Item Type:
Journal Article
Journal or Publication Title:
Environment International
Additional Information:
Copyright © 2013 Elsevier Ltd. All rights reserved.
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2300
Subjects:
?? COMPLIANCEENVIRONMENTAL MONITORINGGENETIC TECHNIQUESSWIMMINGWATER MICROBIOLOGYWATER QUALITYEPIDEMIOLOGYEU BATHING WATER DIRECTIVE FAECAL INDICATOR ORGANISM MICROBIAL POLLUTION QPCR RECREATIONAL WATERENVIRONMENTAL SCIENCE(ALL) ??
ID Code:
69337
Deposited By:
Deposited On:
02 May 2014 09:21
Refereed?:
Yes
Published?:
Published
Last Modified:
19 Sep 2023 01:14