The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.
Influenza virus targets the mRNA export machinery and the nuclear pore complex
Open accessAbstract
The NS1 protein of influenza A virus is a major virulence factor that is essential for pathogenesis. NS1 functions to impair innate and adaptive immunity by inhibiting host signal transduction and gene expression, but its mechanisms of action remain to be fully elucidated. We show here that NS1 forms an inhibitory complex with NXF1/TAP, p15/NXT, Rae1/mrnp41, and E1B-AP5, which are key constituents of the mRNA export machinery that interact with both mRNAs and nucleoporins to direct mRNAs through the nuclear pore complex. Increased levels of NXF1, p15, or Rae1 revert the mRNA export blockage induced by NS1. Furthermore, influenza virus down-regulates Nup98, a nucleoporin that is a docking site for mRNA export factors. Reduced expression of these mRNA export factors renders cells highly permissive to influenza virus replication, demonstrating that proper levels of key constituents of the mRNA export machinery protect against influenza virus replication. Because Nup98 and Rae1 are induced by interferons, down-regulation of this pathway is likely a viral strategy to promote viral replication. These findings demonstrate previously undescribed influenza-mediated viral–host interactions and provide insights into potential molecular therapies that may interfere with influenza infection.
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Cites
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Influenza A Virus Lacking the NS1 Gene Replicates in Interferon-Deficient Systems
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Identification and characterization of a nuclear pore complex protein
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Cited by
Suppression of the antiviral response by an influenza histone mimic
Marazzi, I., Ho, J. S. Y., Kim, J., Manicassamy, B., Dewell, S., Albrecht, R. A., Seibert, C. W., Schaefer, U., Jeffrey, K. L., Prinjha, R. K., et al. (2012) · Nature · doi:10.1038/nature10892 · Cited by 310
Metadata
- Authors
- Satterly, N., Tsai, P.-L., van Deursen, J., Nussenzveig, D. R., Wang, Y., Faria, P. A., Levay, A., Levy, D. E., & Fontoura, B. M. A.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2007-02-06
- Volume
- 104
- Issue
- 6
- Pages
- 1853-1858
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2091080506
- Cited by
- 286
- References
- 49
- FWCI
- 13.40
- Type
- journal article
- Language
- en
- Open access
- green
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- Satterly, N., Tsai, P.-L., van Deursen, J., Nussenzveig, D. R., Wang, Y., Faria, P. A., Levay, A., Levy, D. E., & Fontoura, B. M. A. (2007). Influenza virus targets the mRNA export machinery and the nuclear pore complex. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0610977104
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