Application of bioinformatics-coupled experimental analysis reveals a new transport-competent nuclear localization signal in the nucleoprotein of Influenza A virus strain
2008
New Nuclear Localization Signal in Influenza A Virus
publication
Evidence: moderate
Author Information
Author(s): Ketha Krishna Mohan V, Atreya Chintamani D
Primary Institution: Center for Biologics Evaluation and Research (F.D.A.)
Hypothesis
Is there a third nuclear localization signal in the nucleoprotein of Influenza A virus?
Conclusion
The study identifies a new nuclear localization signal in the Influenza A virus nucleoprotein that enhances its transport to the nucleus.
Supporting Evidence
- The study identified a third nuclear localization signal in the nucleoprotein of Influenza A virus.
- Bioinformatics analysis revealed a single amino acid change that converts a region into a functional nuclear localization signal.
- Experimental evidence showed that constructs with the new signal localized to the nucleus.
- The new signal was found in 9 out of 500 analyzed NP sequences, indicating its potential natural occurrence.
Takeaway
Scientists found a new signal that helps the Influenza A virus get into the cell's nucleus, which is important for the virus to work properly.
Methodology
The study used bioinformatics and functional experimental analyses to identify and confirm the new nuclear localization signal.
Digital Object Identifier (DOI)
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