Molecular epidemiology of parasitic protozoa and Ehrlichia canis in wildlife in Madrid (central Spain)

Parasitology Research
A Criado-FornelioJ Pérez-Serrano

Abstract

Wildlife species are involved in the transmission of diverse pathogens. This study aimed to monitor raccoons (Procyon lotor), American minks (Neovison vison), and red foxes (Vulpes vulpes) as potential reservoirs in central Spain. Specifically, 200 spleen and fecal samples (from 194 raccoons, 3 minks, and 3 foxes) were analyzed molecularly by PCR/qPCR and sequencing for the presence of piroplasmids, Hepatozoon spp., Toxoplasma gondii, and Ehrlichia canis infections in the Community of Madrid (Spain). Biological samples were obtained in the years 2014, 2015, and 2016. No pathogen DNA was found in fecal samples. In contrast, analysis of raccoon spleen samples revealed that Toxoplasma was the most prevalent pathogen (prevalence 3.6 ± 2.6%), followed by Hepatozoon canis and E. canis (each with a prevalence of 2.57 ± 2.2%). Hepatozoon canis was also diagnosed in all three of the analyzed foxes. Analysis of yearly prevalence showed that tick-borne pathogens were less frequent in raccoon in 2015, a dry and warm year compared both to 2014 and 2016. These data suggest that fecal PCR assays are unsuitable for detection of DNA of non-erythrocytic pathogens. Furthermore, they demonstrate that the raccoon (an invasive species often living i...Continue Reading

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Citations

May 14, 2020·Journal of Wildlife Diseases·Hacène MedkourOleg Mediannikov
Aug 25, 2021·Journal of Wildlife Diseases·Ioana Adriana MateiAndrei Daniel Mihalca

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Datasets Mentioned

BETA
MG897471

Methods Mentioned

BETA
PCR
FRET
electrophoresis

Software Mentioned

GraphPad
BioEdit
BLASTn
Win Episcope
AEMET
GraphPad Prism

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