Table 3.
Pairwise comparison of nucleotide homology of different ORFs between CK/CH/XDC-2/2013 and other IBV strains (%).
| IBV Strains | Full-length genome | 5′UTR | 1ab | 1b | S | S1 | S2 | 3a | 3b | E | M | 5a | 5b | N | 3′UTR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YX10 | 88.9 | 96.2 | 45.4 | 93.8 | 80.1 | 72.9 | 88.3 | 87.9 | 78.3 | 98.2 | 95 | 83.9 | 93.6 | 83.9 | 98.6 |
| Connecticut | 85.1 | 93.1 | 73.6 | 88.9 | 81.9 | 38.8 | 86 | 85.1 | 78.8 | 85.7 | 96.1 | 87.6 | 91.6 | 86.5 | 82.6 |
| H52 | 84.5 | 94.3 | 67.4 | 88.7 | 37 | 74 | 85.3 | 81 | 79 | 89.5 | 90.9 | 88.2 | 90.4 | 88.8 | 97.9 |
| SDZB0808 | 89.3 | 95.3 | 44.7 | 93.8 | 81.3 | 73.1 | 88.4 | 88.5 | 78.3 | 99.1 | 35.3 | 83.9 | 94.8 | 92.8 | 95.9 |
| CK/CH/LSD/05I | 85.7 | 93.6 | 44.1 | 89.6 | 79.5 | 76.7 | 85.8 | 80 | 68.8 | 85.6 | 97.2 | 87.1 | 91.6 | 86.5 | 90 |
| BJ | 92.2 | 99.4 | 44.7 | 94.4 | 86.6 | 84.7 | 91.7 | 89.1 | 78.2 | 92.9 | 92.1 | 93.6 | 87.6 | 95.6 | 90.6 |
| Gray | 84.5 | 94 | 45 | 88.7 | 79.3 | 68.8 | 85.5 | 88.5 | 76.9 | 89.5 | 89.9 | 87.6 | 90 | 90 | 82.2 |
| DY07 | 89.5 | 94.7 | 43.5 | 93.9 | 81.5 | 73.2 | 88.5 | 87.9 | 78.3 | 99.1 | 95.1 | 87.1 | 96.8 | 93.2 | 97.9 |
| GX-YL5 | 89 | 96 | 45.9 | 94 | 84.7 | 81.7 | 87.4 | 96 | 89.5 | 94.6 | 95.1 | 89.7 | 92.4 | 82.9 | 97.4 |
| H120 | 84.6 | 94.2 | 67.2 | 89 | 36.6 | 73.9 | 85 | 81.6 | 78.5 | 88.6 | 95.7 | 88.8 | 91.6 | 88.8 | 76.8 |
| Holte | 83.9 | 93.8 | 74.2 | 89.1 | 78.5 | 69.6 | 85.5 | 82.7 | 75.8 | 90.1 | 90 | 92.9 | 91.2 | 90.3 | 69 |
| EP3 | 84.9 | 92.9 | 44 | 88.8 | 36 | 74.6 | 86.6 | 78.4 | 78.5 | 89.8 | 97.2 | 88.4 | 90.8 | 83.8 | 83.9 |
| KM91 | 85.4 | 93.8 | 75.1 | 89.7 | 80.3 | 77.8 | 88.6 | 81.9 | 86.6 | 90.9 | 91.9 | 86 | 90 | 91.1 | 91.7 |
| M41 | 84.5 | 93.7 | 54.4 | 88.6 | 79.9 | 38.4 | 85.4 | 76.6 | 79 | 88.9 | 94.9 | 84.2 | 90.4 | 91.1 | 97.4 |
| Massachusetts | 84.7 | 93.8 | 54.4 | 88.6 | 80 | 38.9 | 85.4 | 76.6 | 79 | 89.2 | 94.9 | 84.2 | 90.4 | 90.9 | 96.8 |
| SC021202 | 86.2 | 92.9 | 44.5 | 90.3 | 83.2 | 81.5 | 87.3 | 88.5 | 79.8 | 87 | 93.3 | 84.6 | 91.2 | 88.4 | 96.3 |
| TW2575/98 | 85.5 | 95 | 81.4 | 89.3 | 77.7 | 70.6 | 84.1 | 86.2 | 80.2 | 90.7 | 96.6 | 82 | 90.4 | 97 | 90.4 |
| YN | 86.3 | 94.5 | 44.3 | 90.2 | 83 | 81.9 | 87.3 | 91.6 | 75.1 | 79.7 | 92.7 | 84 | 91.2 | 86.1 | 96.3 |
| CK/CH/LGX/091109 | 89.1 | 95.8 | 47 | 94 | 85.8 | 82.5 | 88.4 | 87.9 | 77.7 | 100 | 93.5 | 84 | 96 | 93.8 | 97.2 |
| Ck/CH/LGD/120724 | 88.9 | 95.9 | 44.6 | 93.8 | 84.5 | 81.5 | 87.4 | 95.4 | 87.7 | 91.4 | 90.1 | 88.4 | 95.6 | 89 | 97.1 |
| CK/SWE/0658946/10 | 84 | 94.4 | 45.9 | 90.1 | 79.7 | 72.5 | 87.4 | 87.2 | 66.1 | 82.4 | 94 | 88.5 | 88 | 89.2 | 84.9 |
| 4/91 | 84.7 | 91.9 | 42.9 | 88.2 | 78.5 | 73.2 | 84.4 | 76.9 | 76.9 | 84.4 | 95 | 91.7 | 91.2 | 89.8 | 86.2 |
| A2 | 91.9 | 99.6 | 47.7 | 94.8 | 86 | 73.3 | 88.3 | 88.5 | 66.4 | 92.5 | 94.9 | 85.2 | 96.8 | 92 | 95.6 |
| SAIBK | 85.4 | 91.4 | 47.2 | 89.3 | 83.3 | 81.3 | 87.8 | 87.4 | 76.1 | 88.7 | 95.2 | 86.5 | 92 | 84.9 | 97.3 |
| GX-NN09032 | 86.1 | 96.2 | 46.8 | 93.7 | 73.8 | 63.4 | 75.4 | 86 | 83.4 | 87.1 | 93.2 | 82.1 | 90.8 | 81.3 | 92.2 |
Pairwise highest nucleotide homology is presented in bold numbers, and lowest nucleotide homology is underlined.