Identification of a Novel Porcine Teschovirus Subtype 19 within the Species Teschovirus A
Table 1
Estimates of evolutionary divergence between PTV 19 and the other known PTV genotypes within teschovirus A and teschovirus B based on the aa sequences of P1, polyprotein and 2 C–3 CD genes.
Species
Genotypesa
Genes
P1
Polyprotein
2 C–3 CD
Teschovirus A
PTV 1
0.220 ± 0.014
0.109 ± 0.006
0.034 ± 0.005
PTV 2
0.233 ± 0.014
0.109 ± 0.005
0.027 ± 0.004
PTV 3
0.227 ± 0.013
0.107 ± 0.006
0.029 ± 0.005
PTV 4
0.243 ± 0.014
0.113 ± 0.005
0.023 ± 0.003
PTV 5
0.217 ± 0.013
0.106 ± 0.006
0.031 ± 0.004
PTV 6
0.218 ± 0.014
0.104 ± 0.005
0.024 ± 0.004
PTV 7
0.225 ± 0.013
0.108 ± 0.006
0.033 ± 0.006
PTV 8
0.233 ± 0.014
0.112 ± 0.006
0.033 ± 0.005
PTV 9
0.243 ± 0.014
0.109 ± 0.006
0.021 ± 0.004
PTV 10
0.237 ± 0.015
0.112 ± 0.007
0.027 ± 0.005
PTV 11
0.222 ± 0.014
0.107 ± 0.006
0.028 ± 0.004
PTV 12
0.230 ± 0.015
0.112 ± 0.006
0.026 ± 0.004
PTV 13
0.234 ± 0.014
0.118 ± 0.006
0.037 ± 0.006
PTV 14
0.227 ± 0.015
NAb
NA
PTV 17
0.212 ± 0.014
0.092 ± 0.006
0.011 ± 0.003
PTV 18
0.230 ± 0.014
0.106 ± 0.006
0.022 ± 0.005
Teschovirus B
TV-B1
0.353 ± 0.016
0.227 ± 0.009
0.145 ± 0.011
TV-B2
0.360 ± 0.016
0.231 ± 0.009
0.145 ± 0.011
TV-B3
0.363 ± 0.016
0.232 ± 0.009
0.144 ± 0.011
aThe interspecies recombinants (PTV 15 and PTV 16) between Teschovirus A and Teschovirus B have been excluded. bNot applicable, genome sequence of PTV 14 was incomplete.