Detection and genotyping of zoonotic microsporidia in the endangered Iberian lynx (Lynx pardinus)

Microsporidia is a diverse group of obligate, intracellular, and spore-forming parasites that infect a wide range of animals. Among them, Enterocytozoon bieneusi and Encephalitozoon spp. are the most frequently reported species in humans. Limited information is available about the presence and molec...

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Published in:Medical mycology (Oxford) 2024-03, Vol.62 (4)
Main Authors: Ávalos, Gabriel, Caballero-Gómez, Javier, Matas-Méndez, Pablo, Castro-Scholten, Sabrina, Jiménez-Martín, Débora, Köster, Pamela C, Santín, Mónica, Bailo, Begoña, Cano-Terriza, David, González-Barrio, David, Mateo, Marta, García-Bocanegra, Ignacio, Dashti, Alejandro, Nájera, Fernando, Carmena, David
Format: Article
Language:English
Subjects:
Animals
Encephalitozoon
Enterocytozoon - genetics
Feces
Genotype
Humans
Lynx - parasitology
Microsporidia
Phylogeny
Prevalence
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Summary:Microsporidia is a diverse group of obligate, intracellular, and spore-forming parasites that infect a wide range of animals. Among them, Enterocytozoon bieneusi and Encephalitozoon spp. are the most frequently reported species in humans. Limited information is available about the presence and molecular diversity of microsporidian species in the endangered Iberian lynx (Lynx pardinus). Presence of Enterocytozoon bieneusi and Encephalitozoon spp. was investigated by molecular methods in wild and captive Iberian lynxes from Spain. Overall, E. bieneusi was detected in 3.2% (8/251) of the animals examined. None of the samples tested were positive for Encephalitozoon spp. Four known (D, EbfelA, PigEBITS7, and Type IV) and a novel (named as LynxSpEb1) E. bieneusi genotypes were identified. All the genotypes found belonged to the zoonotic Group 1 of E. bieneusi. This study provides the first genotyping data of E. bieneusi in Iberian lynx in Spain. Our result indicate that the Iberian lynx does not seem to play a relevant role in the epidemiology of Encephalitozoon spp., and that this endangered felid is likely acting as spillover host rather than a true reservoir of E. bieneusi. Additional studies should be conducted to assess the impact of this parasite in the health status of the endangered Iberian lynx.
ISSN:1369-3786
1460-2709
DOI:10.1093/mmy/myae027