First evidence of free-living Naegleria species in recreational lakes of Alberta, Canada

Rafik Dey; Elena Dlusskaya; Mariem Oloroso; Nicholas J. Ashbolt

doi:10.2166/wh.2023.325

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First evidence of free-living Naegleria species in recreational lakes of Alberta, Canada

Journal article

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First evidence of free-living Naegleria species in recreational lakes of Alberta, Canada

Rafik Dey, Elena Dlusskaya, Mariem Oloroso and Nicholas J. Ashbolt

Journal of water and health, Vol.21(3), pp.439-442

01/03/2023

DOI: https://doi.org/10.2166/wh.2023.325

PMID: 37338322

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Abstract

Environmental Sciences

Environmental Sciences & Ecology

Life Sciences & Biomedicine

Microbiology

Physical Sciences

Public, Environmental & Occupational Health

Science & Technology

Water Resources

amoebae

Canadian lakes

climate change

Legionella

Naegleria spp.

waterborne pathogens

Rising temperatures are increasing environmental habitats for thermotolerant pathogens, such as the so-called 'brain-eating amoeba', Naegleria fowleri. To the best of our knowledge, however, Naegleria species have not been reported in environmental water sources in Canada. We surveyed popular recreational lakes in Alberta, Canada during the summer bathing period to determine the presence or absence of Naegleria species. While N. fowleri was not isolated in this study, we identified other thermotolerant species, including Naegleria pagei, Naegleria gruberi, Naegleria jejuensis and Naegleria fultoni using culture-based methods, hence indicating the potential conditions to support N. fowleri. Ongoing monitoring and examination of water for pathogenic amoebae is recommended in order to assist in the public health management of water sources.

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Title: First evidence of free-living Naegleria species in recreational lakes of Alberta, Canada
Creators: Rafik Dey - University of Alberta
Elena Dlusskaya - University of Alberta
Mariem Oloroso - University of Alberta
Nicholas J. Ashbolt - Southern Cross University
Publication Details: Journal of water and health, Vol.21(3), pp.439-442
Publisher: Iwa Publishing
Number of pages: 4
Grant note: 201300490 / Alberta Innovates TGEHIPR 150713 / Canadian Institute for Health Research (CIHR), Canada; Canadian Institutes of Health Research (CIHR) Alberta
Identifiers: 991013101286002368
Copyright: © 2023 The Authors. This is an Open Access article distributed under the terms of the Creative Commons Attribution Licence (CC BY 4.0), which permits copying, adaptation and redistribution, provided the original work is properly cited (http://creativecommons.org/licenses/by/4.0/).
Academic Unit: Faculty of Science and Engineering
Language: English
Resource Type: Journal article

First evidence of free-living Naegleria species in recreational lakes of Alberta, Canada

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