TABLE 1.
Virus strains
| Virus name | Strain from which NS segment was isolated | Allele | GenBank accession no. (NS segment) |
|---|---|---|---|
| PR8 | A/Puerto Rico/8/1934 (H1N1) | A | EF467817.1 |
| Cal7 | A/California/7/2009 (H1N1) | A | Unpublished |
| Udorn72 | A/Udorn/72 (H3N2) | A | CY009640.1 |
| O175Aa | A/green-winged teal/Ohio/175/1986 (H2N1) | A | CY018881.1 |
| O173A | A/mallard/Ohio/173/1990 (H11N9) | A | CY021665.1 |
| O340A | A/green-winged teal/Ohio/340/1987 (H11N9) | A | CY021873.1 |
| M1124A | A/mallard/Maryland/1124/2005 (H11N9) | A | CY021473.1 |
| O265Ba | A/Mallard/Ohio/265/1987 (H1N9) | B | CY017279.1 |
| O430B | A/green-winged teal/Ohio/430/1987 (H1N1) | B | CY011044.1 |
| O264B | A/mallard/Ohio/264/1986 (H3N8) | B | CY016399.1 |
| O339B | A/pintail/Ohio/339/1987 (H3N8) | B | CY019201.1 |
| O668B | A/mallard/Ohio/668/2002 (H4N6) | B | CY020793.1 |
| O671B | A/mallard/Ohio/671/2002 (H4N6) | B | CY020801.1 |
| O35B | A/northern shoveler/Ohio/35/1986 (H3N8) | B | CY020937.1 |
| O246B | A/bufflehead/Ohio/246/1986 (H11N2) | B | CY017079.1 |
| Alb88Bb | A/mallard/Alberta/88/1976 (H6N8) | B | M25373.1 |
| NY6750Ac | A/mallard/New York/6750/1978 (H2N2) | A | M25376.1 |
| Sw418Bd | A/mallard/Sweden/S90418/2005 (H6N8) | B | EU518722 |
| NY107Be | A/New York/107/2003 (H7N8) | B | EU587374.2 |
| J89B | A/equine/Jilin/1/1989 (H3N8) | B | M65020.1 |
a
Used as representative consensus A- and B-allele genes for specific experiments.
b
Residues 1 to 15 and 855 to 890 from ALB/221/1978 (H7N2) (GenBank accession no. CY005035.1). The G242A mutation was introduced to remove the BsmBI site.
c
Residues 1 to 16 and 855 to 890 from A/mallard/New York/6750/1978 (H2N2) (GenBank accession no. M80945.1).
d
Residues 1 to 26 and 882 to 890 from A/tufted duck/Mongolia/1409/2010 (H1N1) (GenBank accession no. KC871435.1). The A696C mutation was introduced to remove the BsmBI site.
e
Residues 1 to 15 and 871 to 890 from A/guinea fowl/New York/20221-11/1995 (H2N2) (GenBank accession no. CY014833.1).