A(H1N1) 2009 Pandemic Influenza Research Projects

This section provides information on our laboratory's current pandemic influenza research project interests and results.

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Oligonucleotide primers used for sequencing (supplementary material).

Oligonucleotide primer pairs used for subfragment amplification of full-length influenzavirus gene segments.

Sampling of isolates subjected to nucleotide sequencing.

Number of cases sampled (grey columns) and those testing positive for the A(H1N1) 2009 pdm strain (black columns) during the 2009-2010 epidemiological year. Arrows indicate the dates in which the sequenced samples were collected.

Date of emergence of most recent common ancestor and mutation rates.

Date of emergence of most common ancestor and mutation rate for the proteins encoded by each gene segment. Lines indicate 95% CI and ticks indicate median, median mutation rate given as nucleotide site substitituons per year (s/s/y x10-3) with 95% CI min-max in parentheses.

Crystallographic distribution of HA and NA polymorphisms.

Three-dimensional surface map of haemagglutinin (panels A and B) and neuraminidase (panel C) protein polymorphisms seen in ≥5% (red) or <5% (yellow) of the unique Mexican sequences. Detail of NA active site polymorphisms shown in panel D. Non-polymorphic background is shown in greena.

Mexican pandemic influenza virus nucleotide clade diversity phylograms.

Mexican influenza virus nucleotide sequence radial cladograms.

Evolution of Mexican pandemic influenza virus HA protein diversity.

Mexican influenza virus HA sequence clade evolution.

Mexican pandemic influenza virus protein sequence alignments.

Segment 1, Polymerase Subunit B2.

Segment 2, Polymerase Subunit B1.

Segment 3, Polymerase Subunit A.

Segment 4, Polymerase Subunit HA.

Segment 5, Polymerase Subunit NP.

Segment 6, Polymerase Subunit NA.

Segment 7, Polymerase Subunit M1.

Segment 7, Polymerase Subunit M2.

Segment 8, Polymerase Subunit NS-1.

Segment 8, Polymerase Subunit NS-2.


Mexican pandemic influenza virus nucleotide sequence FigTree cladograms (Note: Files will not display on browser, download link and view with FigTree).

Segment 1, Polymerase Subunit B2.

Segment 2, Polymerase Subunit B1.

Segment 3, Polymerase Subunit A.

Segment 4, Polymerase Subunit HA.

Segment 5, Polymerase Subunit NP.

Segment 6, Polymerase Subunit NA.

Segment 7, Polymerase Subunit M1.

Segment 8, Polymerase Subunit NS-1.

Mexican pandemic influenza virus haemagglutinin (HA) sequences, phase 1.

Mexican pandemic influenza virus haemagglutinin (HA) sequences, phase 2.

Mexican pandemic influenza virus haemagglutinin (HA) sequences, phase 3.

Mexican pandemic influenza virus haemagglutinin (HA) sequences, phase 4.