Origin of the 2009 Mexico influenza virus: A comparative phylogenetic analysis of the principal external antigens and matrix protein

Muhammed Babakir-Mina, Salvatore Dimonte, Carlo Federico Perno, Marco Ciotti

Research output: Contribution to journalArticle

Abstract

Triple-reassortant swine influenza A (H1) viruses, containing genes from avian, human, and swine influenza viruses, emerged and became an outbreak among humans worldwide. Over a 1,000 cases were identified within the first month, chiefly in Mexico and the United States. Here, the phylogenetic analysis of haemagglutin (HA), neuraminidase (NA), and matrix protein (MP) was carried out. The analysis showed that the H1 of this reassortant originated from American pigs, while NA and MP were more likely from European pigs. All of the 2009 isolates appear homogeneous and cluster together, although they are distinct from classical human A (H1N1) viruses.

Original languageEnglish
Pages (from-to)1349-1352
Number of pages4
JournalArchives of Virology
Volume154
Issue number8
DOIs
Publication statusPublished - 2009

ASJC Scopus subject areas

  • Virology

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