Glycosylation Site Alteration in the Evolution of Influenza A (H1N1) Viruses
2011

Glycosylation Site Alteration in Influenza H1N1 Viruses

Sample size: 5772 publication Evidence: moderate

Author Information

Author(s): Sun Shisheng, Qinzhe Zhao, Fei Chen, Wentian Li, Zheng

Primary Institution: Northwest University, Xi'an, People's Republic of China

Hypothesis

The study investigates the patterns and conservation of glycosylation sites on influenza A/H1N1 viruses to understand their evolution and adaptation to hosts.

Conclusion

Influenza H1N1 viruses show different patterns of glycosylation site alterations depending on the host, which plays a significant role in their evolution and adaptation.

Supporting Evidence

  • Influenza viruses alter glycosylation to escape immune pressure.
  • Different hosts lead to different glycosylation patterns in H1N1 viruses.
  • Positional conversion of glycosylation sites is significant for host adaptation.

Takeaway

The study looks at how the flu virus changes its sugar coating to survive better in different animals and people.

Methodology

The study analyzed 2,773 full-length amino acid sequences of HA and 3,249 full-length amino acid sequences of NA from influenza H1N1 viruses using bioinformatics tools.

Limitations

The results need further experimental validation and the analysis was limited by the availability of sequences.

Digital Object Identifier (DOI)

10.1371/journal.pone.0022844

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