Table 2.
Pairwise comparison of the Bat/UPE556/RSA/2018 (H9N2) influenza A virus genome segments and viral protein sequences with other H9N2 subtypes from various host origins. The nucleotide (nt) and amino acid (a/a) identity is indicated as a percentage, with values above 90 highlighted in bold.
| H9N2 Hosts | Bat | Human | Swine | Chicken | Duck | Ostrich | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Accessions | MH376902-09 | NC_004905-12 | KX421147-54 | ON374567-73 | MW531640-47 | GQ404721-27 | ||||||
| Sequence | nt | a/a | nt | a/a | nt | a/a | nt | a/a | nt | a/a | nt | a/a |
| PB2 | 95.04 | 98.29 | 78.03 | 90.25 | 77.24 | 89.72 | 76.93 | 90.25 | 78.42 | 89.59 | 77.98 | 89.99 |
| PB1 * | 94.12 | 97.97 | 76.88 | 89.57 | 80.06 | 89.86 | 77.65 | 91.01 | 78.61 | 91.30 | 76.97 | 90.72 |
| PA | 94.47 | 97.76 | 78.24 | 88.81 | 77.96 | 87.41 | 79.03 | 88.25 | 78.70 | 87.96 | 79.17 | 89.51 |
| PA-X | 94.47 | 97.22 | 78.24 | 82.14 | 77.96 | 81.35 | 79.03 | 81.75 | 78.70 | 81.27 | 79.17 | 82.94 |
| HA | 91.07 | 93.74 | 68.04 | 70.84 | 68.69 | 72.99 | 67.86 | 69.77 | 67.14 | 68.87 | 68.81 | 72.45 |
| NP | 94.05 | 96.36 | 77.96 | 88.76 | 78.29 | 89.36 | 79.29 | 89.36 | 78.96 | 89.16 | 78.09 | 89.76 |
| NA | 93.94 | 94.36 | 65.95 | 64.79 | 66.31 | 65.59 | 66.17 | 65.59 | 66.31 | 64.52 | 65.60 | 64.73 |
| M1 | 93.69 | 95.63 | 79.53 | 92.46 | 80.04 | 94.05 | 77.49 | 90.48 | 78.51 | 90.48 | 79.12 | 93.65 |
| M2 | 93.69 | 84.54 | 79.53 | 73.20 | 80.04 | 73.20 | 77.49 | 68.04 | 78.51 | 69.07 | 79.12 | 72.16 |
| NS1 | 95.17 | 94.06 | 74.85 | 70.78 | 76.49 | 71.23 | 76.14 | 70.32 | 75.32 | 68.95 | 76.00 | 72.60 |
| NS2 | 95.17 | 98.35 | 74.85 | 86.78 | 76.49 | 87.60 | 76.14 | 85.95 | 75.32 | 86.78 | 76.00 | 88.43 |
* PB1 partial gene and protein sequence.