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Cited by 484

The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.

Association of RIG-I with innate immunity of ducks to influenza

Open access
Barber, Megan R. W., Aldridge, Jerry R., Webster, Robert G., Magor, Katharine E.·2010·Proceedings of the National Academy of Sciences

Abstract

Ducks and wild waterfowl perpetuate all strains of influenza viruses in nature. In their natural host, influenza viruses typically cause asymptomatic infection and little pathology. Ducks are often resistant to influenza viruses capable of killing chickens. Here, we show that the influenza virus sensor, RIG-I, is present in ducks and plays a role in clearing an influenza infection. We show evidence suggesting that RIG-I may be absent in chickens, providing a plausible explanation for their increased susceptibility to influenza viruses compared with ducks. RIG-I detects RNA ligands derived from uncapped viral transcripts and initiates the IFN response. In this study, we show that the chicken embryonic fibroblast cell line, DF-1, cannot respond to a RIG-I ligand. However, transfection of duck RIG-I into DF-1 cells rescues the detection of ligand and induces IFN-β promoter activity. Additionally, DF-1 cells expressing duck RIG-I have an augmented IFN response resulting in decreased influenza replication after challenge with either low or highly pathogenic avian influenza virus. Implicating RIG-I in the antiviral response to an infection in vivo, we found that RIG-I expression is induced 200 fold, early in an innate immune response in ducks challenged with the H5N1 virus A/Vietnam/1203/04. Finding this natural disease resistance gene in ducks opens the possibility of increasing influenza resistance through creation of a transgenic chicken.

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Metadata

Authors
Barber, M. R. W., Aldridge, J. R., Webster, R. G., & Magor, K. E.
Venue
Proceedings of the National Academy of Sciences
Published
2010-03-22
Volume
107
Issue
13
Pages
5913-5918
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W1979838502
Cited by
484
References
39
FWCI
11.12
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Association of RIG-I with innate immunity of ducks to influenza. https://app.cochat.ai/papers/10.1073/pnas.1001755107
The paper
Barber, M. R. W., Aldridge, J. R., Webster, R. G., & Magor, K. E. (2010). Association of RIG-I with innate immunity of ducks to influenza. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1001755107

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