Abstract
Pentatrichomonas hominis (P. hominis) is a zoonotic parasite that affects a wide range of hosts, causing gastrointestinal diseases. The present study aimed to evaluate the prevalence of P. hominis among caged foxes and raccoon dogs and the effect of P. hominis on the gut microbiota in female foxes. A total of 893 fresh fecal samples were collected from the Hebei and Henan Provinces in China. P. hominis was screened based on 18S rRNA gene expression via nested PCR. The difference in the gut microbiota between nine P. hominis-positive and nine P. hominis-negative samples was investigated by 16S rRNA gene sequencing. The total prevalence of P. hominis infection in foxes and raccoon dogs was 31.7% (283/893). The prevalence rates of P. hominis infection were 28.2% (88/312) and 33.6% (195/581) in foxes and raccoon dogs, respectively. Phylogenetic analysis revealed that all P. hominis strains detected in foxes and raccoon dogs in the present study were the zoonotic genotype CC1. Moreover, compared with those in the P. hominis-negative group, the diversity of the gut microbiota in the P. hominis-positive group was lower, and the abundance of Firmicutes and the ratio of Firmicutes/Bacteroidetes (F/B) in the P. hominis-positive group were lower than those in the P. hominis-negative group. We speculate that these differences may be due to indigestion and diarrhea in infected female foxes. Overall, the present study evaluated the prevalence of P. hominis in foxes and raccoon dogs in the Henan and Hebei Provinces and revealed that P. hominis infection interrupted the diversity of the gut microbiota in female foxes.
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The datasets generated and analyzed during the current study are available from the corresponding authors on reasonable request.
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Acknowledgements
We would like to show our sincere appreciation to Anhui Science and Technology University for providing the P. hominis positive control sample and the owners of foxes and raccoon dogs for the help they provided during the experiment.
Funding
This study was supported by the Project of Young Backbone Teachers of Colleges and Universities in Henan Province (No. 2018GGJS031) and the Key Scientific and Technological Research Project of Henan Province (No. 19102110079) and supported by the Open Project Program of Beijing Key Laboratory of Traditional Chinese Veterinary Medicine at Beijing University of Agriculture (No. TCVM-201702).
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HJD designed the study and supplied the methodology. PTS conducted data analysis and article writing; YNG conducted material collection and testing; SJZ, LLL, FL, and TZ checked the manuscript for grammar and spelling; and HYD and HJD were responsible for supervision, writing review, and funding. All authors reviewed the manuscript.
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College of Veterinary Medicine, Henan Agricultural University, No. 15 Longzihu University Area, Zhengdong New District, Zhengzhou 450046, China.
Pengtao Song, Yunan Guo, Shoujun Zuo, Liangliang Li, Fang Liu, Tao Zhang, Hongyu Dai, Haiju Dong
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Song, P., Guo, Y., Zuo, S. et al. Prevalence of Pentatrichomonas hominis in foxes and raccoon dogs and changes in the gut microbiota of infected female foxes in the Hebei and Henan Provinces in China. Parasitol Res 123, 74 (2024). https://doi.org/10.1007/s00436-023-08099-5
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DOI: https://doi.org/10.1007/s00436-023-08099-5