Prevalence of intestinal trichomonads in captive non-human primates in China.

Parasite

State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province 730046, PR China.

Published: March 2024

AI Article Synopsis

  • * A study in Yunnan Province, China, analyzed 533 fecal samples from two species of monkeys and found an 11.4% prevalence of trichomonads, with factors like gender and diarrhea influencing infection rates.
  • * This research identified three trichomonad species, including Trichomitopsis minor, marking the first report of this species in non-human primates in China, emphasizing the need for monitoring zoonotic risks.

Article Abstract

Trichomonads are protozoan symbionts with the capacity to infect vertebrates including humans and non-human primates (NHPs), sometimes with pathogenic effects. However, their diversity and prevalence in NHPs in China are poorly understood. A total of 533 fecal samples were collected from captive NHPs in Yunnan Province, China, of which 461 samples from Macaca fascicularis and 72 from Macaca mulatta. Trichomonadidae species were identified using PCR amplification of the ITS-1/5.8S/ITS-2 sequences. The overall prevalence of trichomonads in NHPs was determined to be 11.4% (61/533), with gender, diarrhea, and region identified as potential risk factors for the infections. Sequence alignment and phylogenetic analysis identified three species of trichomonads, i.e., Trichomitopsis minor (n = 45), Pentatrichomonas hominis (n = 11), and Tetratrichomonas sp. (n = 5). To the best of our knowledge, this is the first study to report Trichomitopsis minor infection in NHPs in China. Of note, Pentatrichomonas hominis is generally recognized as a parasitic organism affecting humans. Collectively, our results suggest that NHPs are potential sources of zoonotic trichomonad infections, highlighting the importance of surveillance and control measures to protect human and animal populations.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10964852PMC
http://dx.doi.org/10.1051/parasite/2024018DOI Listing

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