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Title: Blastocystis infection and subtype distribution in humans, cattle, goats, and pigs in central and western Thailand
Authors: Ruenruetai Udonsom
Rapeepan Prasertbun
Aongart Mahittikorn
Hirotake Mori
Tanasak Changbunjong
Chalit Komalamisra
Ai rada Pintong
Yaowalark Sukthana
Supaluk Popruk
Mahidol University
Keywords: Agricultural and Biological Sciences;Biochemistry, Genetics and Molecular Biology;Immunology and Microbiology;Medicine
Issue Date: 1-Nov-2018
Citation: Infection, Genetics and Evolution. Vol.65, (2018), 107-111
Abstract: © 2018 The Authors Blastocystis is a common intestinal pathogen of humans and a variety of animals, with various host-specific subtypes. The aim of this study was to determine the prevalence and subtype distribution of Blastocystis in humans and domestic animals, Thailand. 113 stool samples were collected from pigs, goats, and cattle in Ayutthaya Province (AP; central Thailand) and 218 stool samples were collected from pigs, dogs, cats, chickens, and humans in Kanchanaburi Province (KP; western Thailand). Blastocystis was detected by nested PCR targeting the SSU rRNA gene. Subtypes were identified by DNA sequencing, and phylogenetic analysis was conducted. The overall prevalence of Blastocystis in animals was 76.1% (86/113) and 11.88% (12/101) in AP and KP, respectively, and the prevalence in humans was 12.82% (15/117) in KP. The prevalence of Blastocystis in the AP and KP pigs were 87.88% (29/33) and 20.37% (11/54), respectively. Blastocystis ST5 was the most abundant in pigs in both areas while Blastocystis ST10 and ST12 were most frequently found in cattle and goats. In addition, low percentage of Blastocystis ST1 and Blastocystis ST14 were found in pigs and goats, respectively. In this study, Blastocystis ST3, followed by ST2 and ST1 were predominantly found in humans. In conclusion, pigs may be a natural host of Blastocystis and this ST may be the pig-adapted ST in the studied areas, in this study.
ISSN: 15677257
Appears in Collections:Scopus 2018

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