Entirely plasmid-based reverse genetics system for rotaviruses

Yuta Kanai, Satoshi Komoto, Takahiro Kawagishi, Ryotaro Nouda, Naoko Nagasawa, Misa Onishi, Yoshiharu Matsuura, Koki Taniguchi, Takeshi Kobayashi

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Rotaviruses (RVs) are highly important pathogens that cause severe diarrhea among infants and young children worldwide. The understanding of the molecular mechanisms underlying RV replication and pathogenesis has been hampered by the lack of an entirely plasmid-based reverse genetics system. In this study, we describe the recovery of recombinant RVs entirely from cloned cDNAs. The strategy requires coexpression of a small transmembrane protein that accelerates cell-to-cell fusion and vaccinia virus capping enzyme. We used this system to obtain insights into the process by which RV nonstructural protein NSP1 subverts host innate immune responses. By insertion into the NSP1 gene segment, we recovered recombinant viruses that encode split-green fluorescent protein-tagged NSP1 and NanoLuc luciferase. This technology will provide opportunities for studying RV biology and foster development of RV vaccines and therapeutics.

Original languageEnglish
Pages (from-to)2343-2348
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume114
Issue number9
DOIs
Publication statusPublished - 28-02-2017

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Reverse Genetics
Rotavirus
Plasmids
Rotavirus Vaccines
Cell Fusion
Green Fluorescent Proteins
Luciferases
Innate Immunity
Diarrhea
Complementary DNA
Viruses
Technology
Genes
Proteins
Therapeutics

All Science Journal Classification (ASJC) codes

  • General

Cite this

Kanai, Yuta ; Komoto, Satoshi ; Kawagishi, Takahiro ; Nouda, Ryotaro ; Nagasawa, Naoko ; Onishi, Misa ; Matsuura, Yoshiharu ; Taniguchi, Koki ; Kobayashi, Takeshi. / Entirely plasmid-based reverse genetics system for rotaviruses. In: Proceedings of the National Academy of Sciences of the United States of America. 2017 ; Vol. 114, No. 9. pp. 2343-2348.
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Kanai, Y, Komoto, S, Kawagishi, T, Nouda, R, Nagasawa, N, Onishi, M, Matsuura, Y, Taniguchi, K & Kobayashi, T 2017, 'Entirely plasmid-based reverse genetics system for rotaviruses', Proceedings of the National Academy of Sciences of the United States of America, vol. 114, no. 9, pp. 2343-2348. https://doi.org/10.1073/pnas.1618424114

Entirely plasmid-based reverse genetics system for rotaviruses. / Kanai, Yuta; Komoto, Satoshi; Kawagishi, Takahiro; Nouda, Ryotaro; Nagasawa, Naoko; Onishi, Misa; Matsuura, Yoshiharu; Taniguchi, Koki; Kobayashi, Takeshi.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 114, No. 9, 28.02.2017, p. 2343-2348.

Research output: Contribution to journalArticle

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