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The mutation network for the hemagglutinin gene from the novel influenza A (H1N1) virus

A mutation network for the hemagglutinin gene (HA) of the novel type A (H1N1) influenza virus was constructed. Sequence homology analysis indicated that one HA sequence type from the viruses mainly isolated from Mexico was likely the original type in this epidemic. Based on the 658A and 1408T mutations in HA, the viruses evolving into this epidemic were divided into three...

Subtyping of type A influenza by sequencing the variable regions of HA gene specifically amplified with RT-PCR

The outbreak of a novel influenza A (H1N1) virus across the globe poses a threat to human health. It is of paramount importance to develop a rapid, reliable and inexpensive diagnostic procedure. Based on the bioinformatic information from public database, primers specific for influenza A virus surface protein haemagglutinin (HA) of several subtypes (including H1, H2, H3, H5, H7...

Structure modeling and spatial epitope analysis for HA protein of the novel H1N1 influenza virus

In recent months, a novel influenza virus H1N1 broke out around the world. With bioinformatics technology, the 3D structure of HA protein was obtained, and the epitope residues were predicted with the method developed in our group for this novel flu virus. 58 amino acids were identified as potential epitope residues, the majority of which clustered at the surface of the globular...