The human intestinal tract is home to a highly diverse group of commensal microorganisms that play significant roles in gut homeostasis and health. This chapter focuses on the consequence of interactions, both direct and indirect, between the intestinal microbiota and viruses. The picornavirus family is a group of non-enveloped, positive-sense ribonucleic acid (RNA) viruses and is one of the largest virus families, containing many human pathogens that can cause a wide range of diseases. Mouse mammary tumor virus (MMTV) is a retrovirus that has been well studied as a causative agent of mammary tumors. MMTV is well adapted to take advantage of the commensal bacterial products present in the gut. Respiratory enteric orphan viruses are a group of segmented, double-stranded RNA viruses that can infect a broad range of hosts in nature, including protists, fungi, fish and mammals.

Original languageEnglish
Title of host publicationVirology
PublisherWiley Blackwell
Number of pages30
ISBN (Print)9781119818526
StatePublished - Apr 29 2021


  • Enteric picornaviruses
  • Enteric viruses
  • Intestinal microbiota
  • Mouse mammary tumor virus
  • Respiratory enteric orphan viruses


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