ArticleParasite (Paris, France)2023
Prevalence and molecular characterization of Enterocytozoon bieneusi and a new Enterocytozoon sp. in pet hairless guinea pigs (Cavia porcellus) from China.
Article in Parasite (Paris, France), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Genetic diversity of Enterocytozoon bieneusi in 1099 wild animals and 273 imported pastured donkeys in northern China.Parasites & vectors · 2025Article
- Wild sympatric rodents inhabiting pig farm environments may facilitate the spillover of Enterocytozoon bieneusi from pig farms.Parasite (Paris, France) · 2024Article
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Authors and funding
4 authors.
Funding
Abstract
Enterocytozoon bieneusi, the most common microsporidian species, has been detected in humans and a variety of animals worldwide. However, limited information is available on the prevalence and molecular characterization of this parasite in guinea pigs. In this study, we conducted the first investigation of E. bieneusi infection in hairless guinea pigs recently introduced into China as new exotic pets. A total of 324 fecal samples were collected from hairless guinea pigs from a pet market and four breeding facilities in China. Sequence alignment of the internal transcribed spacer (ITS) revealed an infection rate of 14.2% (46/324) and two known ITS genotypes, S7 and PGP. Genotype S7 was the dominant genotype in these animals (42/46, 91.3%). Due to significant ITS sequence divergence, four and two PGP isolates from hairless and regular guinea pigs, respectively were further identified by PCR and phylogenetic analysis based on the small subunit (SSU) rRNA gene, as well as phylogenetic analysis of the ITS locus using E. hepatopenaei and two related genera Enterospora and Nucleospora as the outgroup. Three out of the six PGP isolates were successfully sequenced and generated the same sequences. Phylogenetic analysis of SSU rRNA and ITS loci revealed that PGP isolates formed a separate clade that was distinct and far away from E. bieneusi, suggesting that they represent a new species of Enterocytozoon. These findings indicate the dominance of zoonotic E. bieneusi genotype S7 in hairless guinea pigs and the existence of a cryptic Enterocytozoon species in guinea pigs.
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