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Related Experiment Video

Updated: Mar 8, 2026

Simplified Reverse Genetics Method to Recover Recombinant Rotaviruses Expressing Reporter Proteins
11:40

Simplified Reverse Genetics Method to Recover Recombinant Rotaviruses Expressing Reporter Proteins

Published on: April 17, 2020

9.5K

Entirely plasmid-based reverse genetics system for rotaviruses.

Yuta Kanai1, Satoshi Komoto2, Takahiro Kawagishi1,3

  • 1Laboratory of Viral Replication, International Research Center for Infectious Diseases, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, 565-0871 Japan.

Proceedings of the National Academy of Sciences of the United States of America
|February 1, 2017
PubMed
Summary
This summary is machine-generated.

Scientists developed a new reverse genetics system to study rotaviruses (RVs), a major cause of childhood diarrhea. This breakthrough allows for the creation of novel recombinant RVs to better understand virus replication and immune evasion, aiding vaccine development.

Keywords:
reporter virusreverse geneticsrotavirusvaccine

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Related Experiment Videos

Last Updated: Mar 8, 2026

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Generation, Amplification, and Titration of Recombinant Respiratory Syncytial Viruses

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Area of Science:

  • Virology
  • Molecular Biology
  • Immunology

Background:

  • Rotaviruses (RVs) are significant global pathogens causing severe diarrhea in infants and young children.
  • Understanding RV replication and pathogenesis is crucial but limited by the absence of a complete plasmid-based reverse genetics system.

Purpose of the Study:

  • To establish a novel, entirely plasmid-based reverse genetics system for rotavirus recovery from cloned cDNAs.
  • To utilize this system to investigate rotavirus nonstructural protein NSP1's role in subverting host innate immunity.

Main Methods:

  • Developed a system requiring coexpression of a cell-to-cell fusion-accelerating protein and vaccinia virus capping enzyme.
  • Generated recombinant RVs encoding split-green fluorescent protein-tagged NSP1 and NanoLuc luciferase by gene segment insertion.

Main Results:

  • Successfully recovered infectious recombinant rotaviruses entirely from cloned cDNAs.
  • Demonstrated the utility of the system by creating RVs with modified NSP1 for studying host immune response modulation.

Conclusions:

  • The developed reverse genetics technology enables efficient recovery of recombinant rotaviruses.
  • This system provides a powerful platform for advancing rotavirus research, including the development of new vaccines and therapeutics.