Table 3.
Amino acid changes in rotavirus, turkey astrovirus-2, and reovirus detected in poult enteritis syndrome (PES)-affected poults
| Gene (virus) | Position | Amino acid (number of cases) |
|---|---|---|
| NSP4 gene1 (avian rotavirus) | 31 | Lysine (33), arginine (4) |
| 43 | Alanine (31), valine (6) | |
| 75 | Valine (18), methionine (13), alanine (6) | |
| 89 | Valine (24), methionine (12), isoleucine (1) | |
| 104 | Alanine (28), threonine (9) | |
| 139 | Aspartic acid (26), asparagine (11) | |
| 140 | Glutamic acid (31), aspartic acid (5), glycine (1) | |
| 141 | Valine (34), isoleucine (3) | |
| Polymerase gene2 (turkey astrovirus-2) | 265 | Cysteine (23), tyrosine (10) |
| 287 | Serine (30), proline (3) | |
| 306 | Threonine (30), serine (3) | |
| 309 | Methionine (31), isoleucine (2) | |
| 324 | Isoleucine (31), valine (2) | |
| 359 | Threonine (30), alanine (3) | |
| 362 | Valine (30), isoleucine (3) | |
| 370 | Arginine (30), phenylalanine (1), histidine (2) | |
| 406 | Aspartic acid (30), glutamic acid (3) | |
| 414 | Asparagine (18), serine (15) | |
| 422 | Arginine (30), lysine (3) | |
| 423 | Serine (20), asparagine (10), threonine (3) | |
| 445 | Serine (20), asparagine (10), lysine (3) | |
| 446 | Alanine (20), threonine (13) | |
| 448 | Alanine (30), threonine (3) | |
| S4 gene3 (avian reovirus) | 82 | Leucine (11), methionine (2) |
| 89 | Isoleucine (10), valine (3) | |
| 131 | Leucine (9), alanine (4) | |
| 138 | Isoleucine (10), valine (3) | |
| 152 | Arginine (9), cysteine (3), histidine (1) | |
| 160 | Asparagine (9), serine (4) | |
| 183 | Methionine (10), leucine (3) | |
| 202 | Alanine (9), threonine (4) | |
| 205 | Glycine (9), arginine (4) | |
| 321 | Valine (11), isoleucine (2) |
1
Amino acid positions correspond to positions 2 to 168 of NSP4 gene of Ty-3 (accession number AB065286).
2
Amino acid positions correspond to positions 253 to 491 of polymerase gene of turkey astrovirus-2 (TAstV-2; accession number NC_005790).
3
Amino acid positions correspond to positions 26 to 344 of S4 gene of avian orthoreovirus strain 176 (accession number AF059724).