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The gut microbiome is formed by a vast and diverse community of bacteria that colonizes our large intestine. These bacteria start residing in the gut from birth and continue diversifying throughout life, influenced by factors such as diet, lifestyle, and stress. The gut bacterial community also includes bacteria from food and those that enter the colon through the anus.
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Updated: Jun 9, 2025

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Taeniasis impacts human gut microbiome composition and function.

Wenjie Mu1,2, Pingping Ma1, Yugui Wang1

  • 1State Key Laboratory of Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu 730000, China.

The ISME Journal
|October 23, 2024
PubMed
Summary
This summary is machine-generated.

Human taeniasis (tapeworm infection) significantly alters the gut microbiome, increasing diversity and Prevotella. Bifidobacterium species were depleted and did not recover post-treatment, impacting gut health.

Keywords:
Bifidobacteriumgut microbiomestachyose metabolismtapeworm

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Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing
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Area of Science:

  • Parasitology
  • Microbiome research
  • Human gut health

Background:

  • Human taeniasis, caused by Taenia tapeworms, is a global health concern.
  • The impact of Taenia infection on the host gut microbiome remains under-investigated.
  • Tapeworms can grow large and affect gut microecology.

Purpose of the Study:

  • To analyze the gut microbiome alterations in patients with Taenia asiatica infection.
  • To assess microbial changes after deworming treatment.
  • To understand the mechanisms behind microbiome shifts during infection.

Main Methods:

  • Cross-sectional study of gut microbiome in infected patients (n=87) and healthy controls (n=79).
  • Longitudinal assessment of microbial changes post-deworming in a subset (n=24).
  • Metabolic network analysis, in vitro experiments, and machine learning were employed.

Main Results:

  • Taenia infection led to increased gut microbial alpha-diversity and Prevotella-driven enterotypes.
  • Bifidobacterium species were significantly depleted in infected individuals and did not recover post-treatment.
  • Microbial shifts post-deworming showed high individual variability; Bifidobacterium depletion was linked to metabolic competition, not direct parasitism.

Conclusions:

  • Taeniasis substantially impacts the human gut microbiome composition and diversity.
  • Bifidobacterium depletion is a key feature of taeniasis, potentially driven by inter-microbial competition for nutrients like stachyose.
  • Gut microbiome alterations may not fully reverse after deworming, highlighting long-term health implications.