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Related Experiment Videos

A serotype 10 human rotavirus.

G Beards1, L Xu, A Ballard

  • 1Regional Virus Laboratory, East Birmingham Hospital, United Kingdom.

Journal of Clinical Microbiology
|June 1, 1992
PubMed
Summary
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Genome rearrangements in rotaviruses from an immunodeficient child led to the first human serotype 10 isolates. These findings were confirmed using advanced immunological and genetic sequencing techniques.

Area of Science:

  • Virology
  • Immunology
  • Genetics

Background:

  • Rotaviruses are a leading cause of severe diarrheal disease in infants and young children worldwide.
  • Genome rearrangements in viruses can lead to novel strains with altered pathogenic properties.
  • Previous studies had not identified human rotavirus isolates of serotype 10.

Purpose of the Study:

  • To identify and characterize novel rotavirus serotypes from a chronically infected immunodeficient child.
  • To confirm the serotype of newly isolated human rotaviruses using immunological and molecular methods.

Main Methods:

  • Direct enzyme-linked immunosorbent assay (ELISA) for rotavirus detection.
  • Virus neutralization assays using serotype-specific monoclonal antibodies.
  • Sequence analysis of the VP7 gene for genetic confirmation.

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Main Results:

  • Rotaviruses with genome rearrangements were isolated from a chronically infected immunodeficient child.
  • These isolates were confirmed as human rotavirus serotype 10 through ELISA and neutralization assays.
  • Sequence analysis of the VP7 gene showed 96% amino acid homology to the bovine serotype 10 isolate B223, further confirming the serotype.

Conclusions:

  • The study reports the first recognized human isolates of rotavirus serotype 10.
  • Genome rearrangements played a role in the emergence of this novel human rotavirus serotype.
  • The findings expand our understanding of rotavirus diversity and evolution in humans.