PDlim2 Selectively Interacts with the PDZ Binding Motif of Highly Pathogenic Avian H5N1 Influenza A Virus NS1
2011

PDlim2 Interacts with H5N1 Influenza Virus NS1 Protein

publication Evidence: moderate

Author Information

Author(s): Yu Jia, Li Xin, Wang Yu, Li Bo, Li Hongyue, Li Yapeng, Zhou Weihong, Zhang Cuizhu, Wang Yingying, Rao Zihe, Bartlam Mark, Cao Youjia

Primary Institution: Tianjin Key Laboratory of Protein Science, College of Life Sciences, Nankai University, Tianjin, China

Hypothesis

Does PDlim2 selectively interact with the PDZ binding motif of the highly pathogenic avian H5N1 influenza A virus NS1?

Conclusion

The study identifies PDlim2 as a specific binding target of the H5N1 NS1 protein, which may contribute to the virus's pathogenicity.

Supporting Evidence

  • PDlim2 was identified as a novel binding target of the H5N1 strain NS1 protein through yeast two-hybrid screening.
  • The interaction was confirmed by in vitro GST pull-down assays.
  • Binding specificity was demonstrated as PDlim2 did not bind to the NS1 protein from a human influenza H1N1 virus.

Takeaway

This study found that a protein called PDlim2 can stick to a part of the H5N1 virus, which might help the virus be more harmful.

Methodology

The researchers used yeast two-hybrid screening, GST pull-down assays, and mammalian two-hybrid assays to confirm the interaction between PDlim2 and HN12-NS1.

Limitations

The study is preliminary and further research is needed to fully understand the biological significance of the interaction.

Digital Object Identifier (DOI)

10.1371/journal.pone.0019511

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication