Research Article

Molecular Detection of Porcine Torovirus in Piglets with Diarrhea in Southwest China

Table 1

RT-PCR and nested PCR primers used in this study.

Target virusesaTarget genesbPrimer sequence, 5′–3′cSize (bp)Source or reference

PToVSF: ACCCCTGCCTGAGGTTTCYTT
R: AGCACGACGTTGTCTRCGTGT
451Established by our own laboratory
PEDVSF: TTCTGAGTCACGAACAGCCA
R: CATATGCAGCCTGCTCTGAA
651Kim et al. (2001) [11]
PKBV3DF: TGGATTACAAGTGTTTTGATGC
R: TGTCGTAGAACTCCTTGATGAA
313Established by our own laboratory

PRV A
 VP6F: AAAGATGCTAGGGACAAAATTG
R: TTCAGATTGTGGAGCTATTCCA
308
Elschner et al. (2002) [12]
nF: GACAAAATTGTCGAAGGCACATTATA
nR: TCGGTAGATTACCAATTCCTCCAG
121
PRV BNSP2F: CTATTCAGTGTGTCGTGAGAGG
R: GCAGACAAGCTAGCCCGCTTCG
434Gouvea et al. (1991) [13]

PRV C
VP6F: CTCGATGCTACTACAGAATCAG
R: AGCCACATAGTTCACATTTCATCC
366
Gouvea et al. (1991) [13]
nF: CTCGATGCTACTACAGAATCAG
nR: GGGATCATCCACGTCATGCGT
328
TGEVORF1bF: GGGTAAGTTGCTCATTAGAAATAATGG
R: CTTCTTCAAAGCTAGGGACTG
1006

Kim et al. (2010) [14]
S
AVRdRpF11: GARTTYGATTGGRCKCGKTAYGA
F12: GARTTYGATTGGRCKAGGTAYGA
F21: CGKTAYGATGGKACKATHC
F22: AGGTAYGATGGKACKATHC
R1: GGYTTKACCCACATICCRAA
422Chu et al. (2008) [15]

MRV
L1F: GCATCCATTGTAAATGACGAGTCTG
R: CTTGAGATTAGCTCTAGCATCTTCTG
416
Decaro et al. (2005) [16]
nF: GCTAGGCCGATATCGGGAATGCAG
nR: GTCTCACTATTCACCTTACCAGCAG
344
PSaV and PNoVRdRpF: GATTACTCCAAGTGGGACTCCAC
R: TGACAATGTAATATCACCATA
319Kim et al. (2010) [14]

PEDV: porcine epidemic diarrhea coronavirus; PKBV: porcine kobuvirus; PRV A–C: porcine group A–C rotaviruses; TGEV: transmissible gastroenteritis coronavirus; AV: astroviruses; MRV: mammalian orthoreovirus; PSaV: porcine sapovirus; PNoV: porcine norovirus.
ORF: S: spike protein; 3D: RNA dependent RNA polymerase; VP6: viral protein 6; NSP2: nonstructural protein 2; ORF1b: open reading frame 1b; L1: large segment 1; RdRp: RNA dependent RNA polymerase.
F: upstream primer for RT-PCR; R: downstream primer for RT-PCR; nF: upstream primer for nested PCR; nR: downstream primer for nested PCR.