Amoebae-resisting bacteria in drinking water: risk assessment and management

Water Science and Technology : a Journal of the International Association on Water Pollution Research
Jean-François LoretG Greub

Abstract

Free-living amoebae have been detected in a large number of man-made water systems, including drinking water distribution systems. Some of these amoebae can host amoebae-resisting bacteria, and thus act potentially as reservoirs and vehicles for a number of pathogens. The objectives of this study were to characterize the amoebae and amoebae-resisting bacteria present in different raw waters used for drinking water production, and to assess the efficiency of different treatments applied for drinking water production in removing or inactivating these amoebae. The preliminary results of this study confirm the presence of amoebae and amoebae-resisting bacteria in raw waters used for drinking water production. Due to their capacity to encyst, most of these amoebae are extremely resistant to disinfection processes. In these conditions, preventing the dissemination of these micro-organisms through drinking water will mainly require their physical removal by clarification and filtration processes. The particular hazard that amoebae-resisting bacteria represent in drinking water production should be taken into account in any risk assessment conducted in the framework of a water safety plan, and control strategies based on physical remov...Continue Reading

Citations

Apr 17, 2013·Environmental Science and Pollution Research International·Helen Y BuseNicholas J Ashbolt
May 4, 2011·The Journal of Microbiology·Helen Y BuseNicholas J Ashbolt
Nov 10, 2011·The Journal of Microbiology·Migma Dorji TamangJungmin Kim
Jul 4, 2015·Pathogens·Patrick K JjembaMark W LeChevallier
Aug 6, 2011·Microbes and Infection·Julia LienardGilbert Greub
Apr 27, 2010·International Journal of Hygiene and Environmental Health·Jean-François Loret, Gilbert Greub
Apr 21, 2010·International Journal of Hygiene and Environmental Health·Daniele CorsaroGilbert Greub
Mar 24, 2009·Journal of Applied Microbiology·H Y Lau, N J Ashbolt
Oct 7, 2014·The Journal of Eukaryotic Microbiology·Emilie FouqueYann Héchard
Sep 12, 2009·FEMS Microbiology Reviews·Vincent ThomasJean-Yves Maillard
Feb 2, 2010·FEMS Microbiology Reviews·Frédéric Lamoth, Gilbert Greub
Aug 6, 2017·Experimental Parasitology·Sutherland K MaciverZisis Koutsogiannis
Aug 8, 2021·Microorganisms·Djeniffer Sousa-RamosJacob Lorenzo-Morales
Jan 5, 2011·Environmental Science & Technology·Jacqueline M Thomas, Nicholas J Ashbolt

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