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Molecular characterization and zoonotic potential of Blastocystis subtypes in domestic pigs and cattle from Hainan, a tropical island province in China

delete2025-12-05
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OA
AI
Y
Yun Zhang
J
Jiaqi Li
X
Xiuyi Lai
Y
Yuan Wang
L
Li, Xinhui
G
Guangxu Ren
X
Xingyue Yu
Y
Yu Li
刘睿 cover
刘睿 (Rui Liu)
Y
Yu Qiang
T
Tingting Li
Y
Yunfei Zhou
L
Lei Sheng
Y
Yuexiao Wu
W
Wei Zhao *
G
Gang Lü *
DOI:10.1051/parasite/2025070delete
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Abstract

Abstract

En 中文
Blastocystis is one of the most prevalent intestinal protozoans, transmitted through the fecal-oral route. Domestic pigs and cattle serve as important reservoirs for Blastocystis, playing a crucial role in its transmission dynamics. In the present study, a PCR-sequencing tool based on the small subunit ribosomal RNA (SSU rRNA) gene was employed to investigate the prevalence and subtypes of Blastocystis in 456 pig and 302 cattle fecal samples collected in Hainan, the only tropical island province in China. The overall prevalence of Blastocystis in pigs and cattle was 30.3% (138/456) and 13.2% (40/302), respectively. Six known subtypes-ST5 (n = 139), ST21 (n = 18), ST26 (n = 10), ST10 (n = 7), ST23 (n = 2), and ST25 (n = 2)-were identified, including 138 ST5 from pigs, and 18 ST21, 10 ST26, 7 ST10, 2 ST23, 2 ST25, and 1 ST5 from cattle. A novel ST5 sequence (OQ048307) from a pig and a novel ST10 sequence (OQ048308) from a cow were detected. Our results suggest that livestock may be an important potential reservoir for zoonotic Blastocystis infection in humans and provided reliable data for future research on subtype distribution and infection control of this protozoan in tropical regions. Blastocystis est l'un des protozoaires intestinaux les plus r & eacute;pandus, transmis par voie oro-f & eacute;cale. Les porcs et les bovins domestiques constituent d'importants r & eacute;servoirs pour Blastocystis et jouent un r & ocirc;le crucial dans la dynamique de sa transmission. Dans cette & eacute;tude, une technique de s & eacute;quen & ccedil;age par PCR bas & eacute;e sur le g & egrave;ne de l'ARN ribosomique de la petite sous-unit & eacute; (ARNr 16S) a & eacute;t & eacute; utilis & eacute;e pour & eacute;tudier la pr & eacute;valence et les sous-types de Blastocystis dans 456 & eacute;chantillons f & eacute;caux de porcs et 302 & eacute;chantillons f & eacute;caux de bovins pr & eacute;lev & eacute;s & agrave; Hainan, la seule province insulaire tropicale de Chine. La pr & eacute;valence globale de Blastocystis chez les porcs et les bovins & eacute;tait respectivement de 30,3% (138/456) et de 13,2% (40/302). Six sous-types connus - ST5 (n = 139), ST21 (n = 18), ST26 (n = 10), ST10 (n = 7), ST23 (n = 2) et ST25 (n = 2) - ont & eacute;t & eacute; identifi & eacute;s, dont 138 ST5 chez le porc, 18 ST21, 10 ST26, 7 ST10, 2 ST23, 2 ST25 et 1 ST5 chez le bovin. Une nouvelle s & eacute;quence ST5 (OQ048307) chez le porc et une nouvelle s & eacute;quence ST10 (OQ048308) chez le bovin ont & eacute;t & eacute; d & eacute;tect & eacute;es. Nos r & eacute;sultats sugg & egrave;rent que le b & eacute;tail pourrait constituer un important r & eacute;servoir potentiel d'infections zoonotiques & agrave; Blastocystis chez l'homme et fournissent des donn & eacute;es fiables pour les recherches futures sur la distribution des sous-types et la lutte contre ce protozoaire dans les r & eacute;gions tropicales.
Keywords:
Blastocystis
Subtype
Prevalence
Domestic pig
Cattle
Hainan

Journal

P
Parasite
IF:
2.4
Papers:
35
Citations:
2.5K

Organization

H
Hainan Medical University
Scholars:
872
Papers: 277
Citations: 1
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