Research Article

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.

SpeciesGenotypesaGenes
P1Polyprotein2 C–3 CD

Teschovirus APTV 10.220 ± 0.0140.109 ± 0.0060.034 ± 0.005
PTV 20.233 ± 0.0140.109 ± 0.0050.027 ± 0.004
PTV 30.227 ± 0.0130.107 ± 0.0060.029 ± 0.005
PTV 40.243 ± 0.0140.113 ± 0.0050.023 ± 0.003
PTV 50.217 ± 0.0130.106 ± 0.0060.031 ± 0.004
PTV 60.218 ± 0.0140.104 ± 0.0050.024 ± 0.004
PTV 70.225 ± 0.0130.108 ± 0.0060.033 ± 0.006
PTV 80.233 ± 0.0140.112 ± 0.0060.033 ± 0.005
PTV 90.243 ± 0.0140.109 ± 0.0060.021 ± 0.004
PTV 100.237 ± 0.0150.112 ± 0.0070.027 ± 0.005
PTV 110.222 ± 0.0140.107 ± 0.0060.028 ± 0.004
PTV 120.230 ± 0.0150.112 ± 0.0060.026 ± 0.004
PTV 130.234 ± 0.0140.118 ± 0.0060.037 ± 0.006
PTV 140.227 ± 0.015NAbNA
PTV 170.212 ± 0.0140.092 ± 0.0060.011 ± 0.003
PTV 180.230 ± 0.0140.106 ± 0.0060.022 ± 0.005

Teschovirus BTV-B10.353 ± 0.0160.227 ± 0.0090.145 ± 0.011
TV-B20.360 ± 0.0160.231 ± 0.0090.145 ± 0.011
TV-B30.363 ± 0.0160.232 ± 0.0090.144 ± 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.