Contamination of wastewater with Echinococcus multilocularis - possible implications for drinking water resources in the QTP China.


Journal

Water research
ISSN: 1879-2448
Titre abrégé: Water Res
Pays: England
ID NLM: 0105072

Informations de publication

Date de publication:
01 Mar 2020
Historique:
received: 16 08 2019
revised: 20 11 2019
accepted: 23 11 2019
pubmed: 4 12 2019
medline: 17 1 2020
entrez: 4 12 2019
Statut: ppublish

Résumé

Echinococcus multilocularis is a parasite that causes a dangerous zoonosis, alveolar echinococcosis (AE). Its presence in water sources, however, has scarcely been studied heretofore. Accordingly, 222 samples of different origin including wastewater from wastewater treatment plants (WWTPs) (n = 137), slaughterhouse (n = 49) as well as water from rivers (n = 26) and a cattle farm (n = 10) were collected from Xining City and a rural area in Qinghai-Tibet Plateau (QTP), an endemic area. Material obtained after processing of 10 L volume samples was subsequently analysed using three molecular detection methods: nested PCR, real-time PCR and LAMP. E. multilocularis DNA was found in 13 (5.85%) water samples; including 8 (5.8%), 3 (6%), 2 (20%) and 0 positive samples found in WWTPs, a slaughterhouse, a cattle farm and rivers, respectively. All three (LAMP, PCR, RT-PCR) molecular tools displayed high agreement and effectiveness in their ability of detecting the parasite's DNA in environmental material. This is the first investigation describing E. multilocularis detection in wastewater samples, using three sensitive molecular diagnostic tools. Results indicate the role of wastewater in dissemination of E. multilocularis and the risk of contamination of water sources.

Identifiants

pubmed: 31794889
pii: S0043-1354(19)31108-X
doi: 10.1016/j.watres.2019.115334
pii:
doi:

Substances chimiques

Drinking Water 0
Waste Water 0

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

115334

Informations de copyright

Copyright © 2019 Elsevier Ltd. All rights reserved.

Auteurs

Anna Lass (A)

State Key Laboratory of Plateau Ecology and Agriculture, Center for Biomedicine and Infectious Disease, Qinghai University, 1#Wei'er Road, Qinghai Biological Scientific Estate Garden, Xining, 810016, PR China; Department of Tropical Parasitology, Institute of Maritime and Tropical Medicine in Gdynia, Medical University of Gdansk, 9b Powstania Styczniowego Str, 81-519, Gdynia, Poland.

Liqing Ma (L)

State Key Laboratory of Plateau Ecology and Agriculture, Center for Biomedicine and Infectious Disease, Qinghai University, 1#Wei'er Road, Qinghai Biological Scientific Estate Garden, Xining, 810016, PR China.

Ioannis Kontogeorgos (I)

Marine Sciences Department, School of Environment, University of the Aegean, University Hill, 88 100, Mytilene, Greece.

Zhang Xueyong (Z)

State Key Laboratory of Plateau Ecology and Agriculture, Center for Biomedicine and Infectious Disease, Qinghai University, 1#Wei'er Road, Qinghai Biological Scientific Estate Garden, Xining, 810016, PR China.

Xiuping Li (X)

State Key Laboratory of Plateau Ecology and Agriculture, Center for Biomedicine and Infectious Disease, Qinghai University, 1#Wei'er Road, Qinghai Biological Scientific Estate Garden, Xining, 810016, PR China.

Panagiotis Karanis (P)

State Key Laboratory of Plateau Ecology and Agriculture, Center for Biomedicine and Infectious Disease, Qinghai University, 1#Wei'er Road, Qinghai Biological Scientific Estate Garden, Xining, 810016, PR China; University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; Nicosia University Medical School, Department of Basic and Clinical Sciences, Nicosia, 2408, Cyprus. Electronic address: karanis.p@unic.ac.cy.

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