RNA interference is an antiviral defence mechanism in Caenorhabditis elegans

Courtney Wilkins, Ryan Dishongh, Steve C. Moore, Michael Whitt, Marie Chow, Khaled Machaca

Research output: Contribution to journalArticle

230 Citations (Scopus)

Abstract

RNA interference (RNAi) is an evolutionarily conserved sequence-specific post-transcriptional gene silencing mechanism that is well defined genetically in Caenorhabditis elegans. RNAi has been postulated to function as an adaptive antiviral immune mechanism in the worm, but there is no experimental evidence for this. Part of the limitation is that there are no known natural viral pathogens of C. elegans. Here we describe an infection model in C. elegans using the mammalian pathogen vesicular stomatitis virus (VSV) to study the role of RNAi in antiviral immunity. VSV infection is potentiated in cells derived from RNAi-defective worm mutants (rde-1; rde-4), leading to the production of infectious progeny virus, and is inhibited in mutants with an enhanced RNAi response (rrf-3; eri-1). Because the RNAi response occurs in the absence of exogenously added VSV small interfering RNAs, these results show that RNAi is activated during VSV infection and that RNAi is a genuine antiviral immune defence mechanism in the worm.

Original languageEnglish (US)
Pages (from-to)1044-1047
Number of pages4
JournalNature
Volume436
Issue number7053
DOIs
StatePublished - Aug 18 2005

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Caenorhabditis elegans
RNA Interference
Antiviral Agents
Vesicular Stomatitis
Virus Diseases
Viruses
Conserved Sequence
Small Interfering RNA
Immunity
Infection

All Science Journal Classification (ASJC) codes

  • General

Cite this

Wilkins, C., Dishongh, R., Moore, S. C., Whitt, M., Chow, M., & Machaca, K. (2005). RNA interference is an antiviral defence mechanism in Caenorhabditis elegans. Nature, 436(7053), 1044-1047. https://doi.org/10.1038/nature03957

RNA interference is an antiviral defence mechanism in Caenorhabditis elegans. / Wilkins, Courtney; Dishongh, Ryan; Moore, Steve C.; Whitt, Michael; Chow, Marie; Machaca, Khaled.

In: Nature, Vol. 436, No. 7053, 18.08.2005, p. 1044-1047.

Research output: Contribution to journalArticle

Wilkins, C, Dishongh, R, Moore, SC, Whitt, M, Chow, M & Machaca, K 2005, 'RNA interference is an antiviral defence mechanism in Caenorhabditis elegans', Nature, vol. 436, no. 7053, pp. 1044-1047. https://doi.org/10.1038/nature03957
Wilkins C, Dishongh R, Moore SC, Whitt M, Chow M, Machaca K. RNA interference is an antiviral defence mechanism in Caenorhabditis elegans. Nature. 2005 Aug 18;436(7053):1044-1047. https://doi.org/10.1038/nature03957
Wilkins, Courtney ; Dishongh, Ryan ; Moore, Steve C. ; Whitt, Michael ; Chow, Marie ; Machaca, Khaled. / RNA interference is an antiviral defence mechanism in Caenorhabditis elegans. In: Nature. 2005 ; Vol. 436, No. 7053. pp. 1044-1047.
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