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Occurrence, genetic diversity and zoonotic potential of Blastocystis sp. in forest musk deer ( Moschus berezovskii ) in Southwest China

Blastocystis sp. is a common anaerobic protist with controversial pathogenicity that can infect various animals and humans. However, there are no reports of Blastocystis sp. infections in forest musk deer ( Moschus berezovskii ). The present study was designed to examine the occurrence, subtype dist...

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Published in:Parasite (Paris) 2022, Vol.29, p.34-34
Main Authors: Chen, Shanyu, Meng, Wanyu, Shi, Xianpeng, Chai, Yijun, Zhou, Ziyao, Liu, Haifeng, Zhong, Zhijun, Fu, Hualin, Cao, Suizhong, Ma, Xiaoping, Shen, Liuhong, Deng, Lei, Peng, Guangneng
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Language:English
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Summary:Blastocystis sp. is a common anaerobic protist with controversial pathogenicity that can infect various animals and humans. However, there are no reports of Blastocystis sp. infections in forest musk deer ( Moschus berezovskii ). The present study was designed to examine the occurrence, subtype distribution and genetic characterization of  Blastocystis sp. in forest musk deer in southwestern China, and to assess the potential for zoonotic transmission. A total of 504 fresh stool samples were collected from captive forest musk deer in four distinct areas of southwestern China. Overall, 14.7% of the forest musk deer (74/504) were found to be infected with Blastocystis sp. The highest occurrence of Blastocystis sp. was observed in Dujiangyan (27.5%), followed by Maerkang (23.3%). The occurrence of Blastocystis sp. was 7.9% and 4.1% in Shimian and Hanyuan, respectively. Significant differences in the occurrence of Blastocystis sp. among different areas were observed ( p   0.05). Two known zoonotic subtypes (ST1 and ST5) and three animal-predominant subtypes (ST10, ST13, and ST14) were identified, of which ST10 was the most common (36/74, 48.6%). Our findings highlight that forest musk deer may be potential reservoirs of zoonotic human Blastocystis sp. infections. Blastocystis sp. est un protiste anaérobie commun, de pathogénicité controversée, et qui peut infecter divers animaux et les humains. Cependant, aucun cas d’infection par Blastocystis sp. n’a été rapporté chez le cerf porte-musc ( Moschus berezovskii ). La présente étude a été conçue pour examiner la présence, la distribution des sous-types et la caractérisation génétique de Blastocystis sp. chez le cerf porte-musc du sud-ouest de la Chine et pour évaluer son potentiel de transmission zoonotique. Au total, 504 échantillons de selles fraîches ont été prélevés sur des cerfs porte-musc captifs dans quatre régions distinctes du sud-ouest de la Chine. Dans l’ensemble, 14,7 % (74/504) des cerfs porte-musc se sont avérés infectés par Blastocystis sp. La plus forte occurrence de Blastocystis sp. a été observée à Dujiangyan (27,5 %), suivi de Maerkang (23,3 %). La présence de Blastocystis sp. était respectivement de 7,9 % et 4,1 % à Shimian et Hanyuan. Des différences significatives dans la présence de Blastocystis sp. entre les différentes zones ont été observées ( p  
ISSN:1776-1042
1252-607X
1776-1042
DOI:10.1051/parasite/2022037