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Eco-evolutionary implications of helminth microbiomes.

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Helminth parasites and their hosts involve symbiotic microbes, impacting parasite evolution. This review explores the bacterial microbiome of helminths, focusing on transmission, ecology, and diversity to understand host-parasite interactions.

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Area of Science:

  • Parasitology
  • Microbiology
  • Evolutionary Biology

Background:

  • Helminth evolution traditionally focuses on host resistance versus parasite evasion.
  • Symbiotic microbes are increasingly recognized as crucial players in helminth-host interactions.
  • Helminths possess distinct microbiomes, with shared microbial components across life stages and populations.

Purpose of the Study:

  • To review the bacterial microbiome associated with helminth parasites.
  • To highlight key findings in bacterial transmission, ecological associations, and diversity within helminths.
  • To integrate the microbiome's role into the eco-evolution of helminths and their host interactions.

Main Methods:

  • Literature review focusing on the bacterial microbiome of helminths.
  • Analysis of concepts and findings related to microbial transmission (vertical and horizontal).
  • Integration of ecological associations, taxonomic, and functional diversity of helminth bacteriomes.

Main Results:

  • Helminth microbiomes differ from their hosts, with evidence of both vertical and horizontal transmission.
  • Complex ecological relationships exist between helminths and specific microbial taxa.
  • The helminth microbiome is not a random microbial assemblage.

Conclusions:

  • Understanding the helminth bacterial microbiome is essential for comprehending helminth eco-evolution.
  • Significant knowledge gaps remain regarding the net effect of microbiome components.
  • Future research should leverage new technologies to explore microbiome impacts on host-parasite dynamics.