Table 2.
Nucleotide and amino acid identities of the (a) S gene (594 bp) and (b) HE gene (1051 bp) sequences.
| (a) Nucleotide identity(%) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Strain | rBToV-1, 2, 3 | rBToV-4 | rBToV-5 | rBToV-6 | BRV-1 | BRV-2 | B145 | K-640 | K-644 | K-674 | K-676 | K-683 | K-684 | Aichi/2004 |
| rBToV-1, 2, 3 | – | 91.1 | 91.1 | 91.2 | 95.3 | 89.6 | 91.8 | 91.9 | 91.9 | 98.0 | 98.1 | 91.2 | 91.1 | 92.3 |
| rBToV-4 | 91.9 | – | 98.7 | 94.9 | 92.1 | 93.1 | 93.1 | 96.1 | 96.1 | 91.6 | 91.4 | 98.8 | 99.0 | 96.6 |
| rBToV-5 | 91.4 | 98.5 | – | 95.1 | 92.6 | 92.9 | 93.3 | 96.3 | 96.3 | 91.4 | 91.6 | 99.2 | 99.0 | 96.8 |
| rBToV-6 | 91.4 | 98.0 | 97.5 | – | 94.9 | 92.8 | 93.4 | 96.5 | 96.5 | 91.8 | 91.9 | 95.3 | 95.1 | 97.1 |
| BRV-1 | 94.4 | 94.4 | 98.5 | 95.9 | – | 92.4 | 92.9 | 93.4 | 93.4 | 96.0 | 96.1 | 92.8 | 92.6 | 93.4 |
| BRV-2 | 89.3 | 95.9 | 94.4 | 94.4 | 92.4 | – | 91.6 | 93.1 | 93.1 | 90.6 | 90.4 | 93.1 | 93.3 | 93.1 |
| B145 | 92.4 | 94.4 | 93.9 | 94.4 | 93.9 | 91.4 | – | 94.1 | 94.1 | 92.4 | 92.6 | 93.4 | 93.3 | 94.4 |
| K-640 | 92.4 | 99.0 | 98.5 | 99.0 | 94.9 | 94.9 | 95.4 | – | 100.0 | 92.3 | 92.4 | 96.5 | 96.3 | 98.1 |
| K-644 | 92.4 | 99.0 | 98.5 | 99.0 | 94.9 | 94.9 | 95.4 | 100.0 | – | 92.3 | 92.4 | 96.5 | 96.3 | 98.1 |
| K-674 | 98.0 | 92.9 | 91.4 | 91.4 | 94.4 | 90.4 | 92.4 | 92.4 | 92.4 | – | 99.8 | 91.6 | 91.8 | 92.8 |
| K-676 | 98.5 | 92.4 | 91.9 | 91.9 | 94.9 | 89.8 | 92.9 | 92.9 | 92.9 | 99.5 | – | 91.8 | 91.6 | 92.9 |
| K-683 | 91.9 | 99.0 | 98.5 | 98.0 | 94.4 | 94.9 | 94.4 | 99.0 | 99.0 | 91.9 | 92.4 | – | 99.8 | 97.0 |
| K-684 | 91.4 | 99.5 | 98.0 | 97.5 | 93.9 | 95.4 | 93.9 | 98.5 | 98.5 | 92.4 | 91.9 | 99.5 | – | 96.8 |
| Aichi/2004 | 91.9 | 98.5 | 98.0 | 98.5 | 94.4 | 94.4 | 94.9 | 99.5 | 99.5 | 91.9 | 92.4 | 98.5 | 98.0 | – |
| Amino acid identity(%) | ||||||||||||||
| (b) Nucleotide identity(%) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Strain | rBToV-2 | rBToV-4 | rBToV-5 | rBToV-6 | BRV-1 | BRV-2 | B145 | B150 | B155 | K-640 | K-644 | K-674 | K-676 | K-683 | K-684 |
| rBToV-2 | – | 90.8 | 90.9 | 91.0 | 90.9 | 91.7 | 90.7 | 73.5 | 73.7 | 91.0 | 91.1 | 98.7 | 98.9 | 90.8 | 90.7 |
| rBToV-4 | 91.1 | – | 99.0 | 98.7 | 88.6 | 89.7 | 98.6 | 73.9 | 73.9 | 98.9 | 99.0 | 90.9 | 91.1 | 99.1 | 99.0 |
| rBToV-5 | 91.1 | 99.1 | – | 98.4 | 89.0 | 90.2 | 98.3 | 73.5 | 73.8 | 99.1 | 99.2 | 90.9 | 91.1 | 98.4 | 98.3 |
| rBToV-6 | 92.0 | 98.6 | 98.3 | – | 89.0 | 90.0 | 98.2 | 73.7 | 74.0 | 98.7 | 98.8 | 90.8 | 91.0 | 99.0 | 99.0 |
| BRV-1 | 90.6 | 90.6 | 90.3 | 90.9 | – | 98.2 | 89.0 | 70.6 | 70.9 | 89.1 | 89.2 | 91.4 | 91.6 | 88.9 | 88.8 |
| BRV-2 | 90.6 | 92.0 | 92.0 | 91.7 | 97.7 | – | 90.1 | 71.3 | 71.6 | 90.3 | 90.4 | 92.1 | 92.3 | 90.0 | 9.9 |
| B145 | 90.3 | 97.7 | 98.0 | 96.9 | 90.0 | 91.4 | – | 73.5 | 73.5 | 98.4 | 98.5 | 90.5 | 90.7 | 98.4 | 98.3 |
| B150 | 73.4 | 72.0 | 72.3 | 72.3 | 69.7 | 69.7 | 71.7 | – | 99.3 | 73.3 | 73.4 | 73.1 | 73.1 | 73.8 | 73.8 |
| B155 | 73.4 | 72.0 | 72.3 | 72.3 | 69.7 | 69.7 | 71.7 | 99.1 | – | 73.5 | 73.6 | 73.4 | 73.4 | 73.9 | 73.9 |
| K-640 | 91.1 | 98.6 | 99.4 | 98.3 | 90.3 | 92.0 | 97.4 | 72.0 | 72.0 | – | 99.9 | 91.0 | 91.2 | 98.7 | 98.6 |
| K-644 | 91.1 | 98.6 | 99.4 | 98.3 | 90.3 | 92.0 | 97.4 | 72.0 | 72.0 | 100.0 | – | 91.1 | 91.2 | 98.8 | 98.7 |
| K-674 | 97.4 | 90.6 | 90.6 | 90.9 | 90.9 | 90.3 | 89.7 | 73.4 | 73.4 | 90.6 | 90.6 | – | 99.8 | 90.6 | 90.5 |
| K-676 | 98.0 | 91.1 | 91.1 | 91.4 | 91.4 | 90.9 | 90.3 | 73.7 | 73.7 | 91.1 | 91.1 | 99.4 | – | 90.8 | 90.7 |
| K-683 | 90.9 | 99.1 | 98.3 | 98.3 | 90.3 | 91.7 | 96.9 | 71.7 | 71.7 | 98.3 | 98.3 | 90.3 | 90.9 | – | 99.9 |
| K-684 | 90.9 | 98.9 | 98.0 | 98.0 | 90.0 | 91.4 | 96.6 | 71.7 | 71.7 | 98.0 | 98.0 | 90.3 | 90.9 | 99.7 | – |
| Amino acid identity(%) | |||||||||||||||
The reference bovine toroviruses (BToVs) used in the comparison and their accession numbers are as follows: BRV-1 (AY427798), BRV-2 (AF076621), B145 (AJ575388 and AJ575379), B150 (AJ575380), B155 (AJ575381), K-640 and K-644 (AB270909), K-674 (AB270914), K-676 (AB270916), K-683 (AB270918), and K-684 (AB270919).