C. elegans is an invaluable model organism that has been a driving force in many fundamental biological discoveries. However, it is only in the past two decades that it has been applied to host–pathogen interaction studies. These studies have been facilitated by the discoveries of natural microbes that infect C. elegans, including bacteria, fungi and viruses. Notably, many of these microbes share a common site of infection, the C. elegans intestine. Furthermore, the recent descriptions of a natural gut microbiota in C. elegans raise the possibility that this could be a novel model system for microbiome and trans-kingdom interaction studies. Here we review studies of C. elegans host–microbe interactions with a particular focus on the intestine.

Original languageEnglish
Article number85
Issue number2
StatePublished - Feb 14 2018


  • Bacteria
  • C
  • Elegans
  • Fungi
  • Host
  • Intestine
  • Microbiome
  • Pathogen interaction
  • Trans-kingdom interactions
  • Viruses


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