Longitudinal analysis of Giardia duodenalis assemblages in animals inhabiting drinking water catchments in New South Wales and Queensland - Australia (2013-2015)

A. Zahedi; T. Odgers; A. Ball; A. Watkinson; I. Robertson; U. Ryan

doi:10.1016/j.scitotenv.2020.137433

Back

Longitudinal analysis of Giardia duodenalis assemblages in animals inhabiting drinking water catchments in New South Wales and Queensland - Australia (2013-2015)

Journal article

Open access

Peer reviewed

Longitudinal analysis of Giardia duodenalis assemblages in animals inhabiting drinking water catchments in New South Wales and Queensland - Australia (2013-2015)

A. Zahedi, T. Odgers, A. Ball, A. Watkinson, I. Robertson and U. Ryan

Science of The Total Environment, Vol.718, Article 137433

2020

DOI: https://doi.org/10.1016/j.scitotenv.2020.137433

Files and links (2)

pdf

Longitudinal analysis of Giardia duodenalis assemblages in animals inhabiting drinking water catchments.pdfDownload View

Author’s Version Open Access

url

Link to Published Version *Subscription may be requiredView

Abstract

Giardia duodenalis is one of the most common waterborne zoonotic parasites worldwide, and its occurrence in the environment and catchment reservoir water has serious implications for management of drinking water. The aim of the present study was to use molecular tools to identify the Giardia spp. infecting animals inhabiting five drinking water catchments across two states in Australia; New South Wales and Queensland, to better understand the potential health risks they pose. We used quantitative PCR to screen a total of 2174 faecal samples collected from dominant host species in catchment areas for the presence of G. duodenalis. All samples positive for G. duodenalis were further characterized and subtyped at tpi and gdh loci, respectively. The overall prevalence of G. duodenalis was 15.3% (332/2174, 95%CI; 13.8-16.9), and two zoonotic assemblages (assemblages A and B) and one potentially zoonotic assemblage (E) were detected in various host species. Additional subtyping of a subset of samples (n = 76) identified four human infectious sub-assemblages including AI, AII, BII-like and BIV-like, all of which have been previously reported in humans in Australia. The finding of zoonotic assemblages of G. duodenalis in the present study necessitates continued identification of the sources/carriers of human pathogenic strains in drinking water catchment areas for more accurate risk assessment and optimal catchment management.

Details

Title: Longitudinal analysis of Giardia duodenalis assemblages in animals inhabiting drinking water catchments in New South Wales and Queensland - Australia (2013-2015)
Authors/Creators: A. Zahedi (Author/Creator) - Murdoch University
T. Odgers (Author/Creator) - Seqwater
A. Ball (Author/Creator) - WaterNSW
A. Watkinson (Author/Creator) - Seqwater
I. Robertson (Author/Creator) - Huazhong Agricultural University
U. Ryan (Author/Creator) - Murdoch University
Publication Details: Science of The Total Environment, Vol.718, Article 137433
Publisher: Elsevier
Identifiers: 991005540345507891
Copyright: © 2020 Elsevier B.V.
Murdoch Affiliation: College of Science, Health, Engineering and Education
Language: English
Resource Type: Journal article

UN Sustainable Development Goals (SDGs)

This output has contributed to the advancement of the following goals:

Source: InCites

Metrics

74 File views/ downloads

84 Record Views

15 Times Cited - Web of Science

InCites Highlights

These are selected metrics from InCites Benchmarking & Analytics tool, related to this output

Collaboration types: Domestic collaboration; International collaboration
Citation topics: 1 Clinical & Life Sciences; 1.246 Diarrheal Diseases; 1.246.985 Cryptosporidium
Web Of Science research areas: Environmental Sciences
ESI research areas: Environment/Ecology