TABLE 1.
Sites identified by the k-mer analysis representing the circulating swine-associated strains
| Sequencea | Position in HA nucleotide coding sequenceb | Frequency in circulating swine (%)c | Frequency in circulating human (%)d |
|---|---|---|---|
| CATGCAAACAA | 78 | 67/149 (45.0) | 57/3188 (1.8) |
| TCAGTATCATC | 375 | 59/149 (39.6) | 50/3188 (1.6) |
| CCAAAATATGT | 966 | 105/149 (70.5) | 33/3188 (1.0) |
| TTAAAGAACAA | 1413 | 60/149 (40.2) | 31/3188 (1.0) |
a
Nucleotides defining each k-mer’s unique portion are underlined.
b
Nucleotide positions are relative to the HA nucleotide sequences.
c
Fraction of swine-associated influenza A virus strains observed with unique k-mer.
d
Fraction of human-associated influenza A virus strains observed with unique k-mer.