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 virusesa | Target genesb | Primer sequence, 5′–3′c | Size (bp) | Source or reference |
| PToV | S | F: ACCCCTGCCTGAGGTTTCYTT R: AGCACGACGTTGTCTRCGTGT | 451 | Established by our own laboratory | PEDV | S | F: TTCTGAGTCACGAACAGCCA R: CATATGCAGCCTGCTCTGAA | 651 | Kim et al. (2001) [11] | PKBV | 3D | F: TGGATTACAAGTGTTTTGATGC R: TGTCGTAGAACTCCTTGATGAA | 313 | Established by our own laboratory | PRV A | VP6 | F: AAAGATGCTAGGGACAAAATTG R: TTCAGATTGTGGAGCTATTCCA | 308 | Elschner et al. (2002) [12] | nF: GACAAAATTGTCGAAGGCACATTATA nR: TCGGTAGATTACCAATTCCTCCAG | 121 | PRV B | NSP2 | F: CTATTCAGTGTGTCGTGAGAGG R: GCAGACAAGCTAGCCCGCTTCG | 434 | Gouvea et al. (1991) [13] | PRV C |
VP6 | F: CTCGATGCTACTACAGAATCAG R: AGCCACATAGTTCACATTTCATCC | 366 | Gouvea et al. (1991) [13] | nF: CTCGATGCTACTACAGAATCAG nR: GGGATCATCCACGTCATGCGT | 328 | TGEV | ORF1b | F: GGGTAAGTTGCTCATTAGAAATAATGG R: CTTCTTCAAAGCTAGGGACTG | 1006 | Kim et al. (2010) [14] | S | AV | RdRp | F11: GARTTYGATTGGRCKCGKTAYGA F12: GARTTYGATTGGRCKAGGTAYGA F21: CGKTAYGATGGKACKATHC F22: AGGTAYGATGGKACKATHC R1: GGYTTKACCCACATICCRAA | 422 | Chu et al. (2008) [15] | MRV |
L1 | F: GCATCCATTGTAAATGACGAGTCTG R: CTTGAGATTAGCTCTAGCATCTTCTG | 416 | Decaro et al. (2005) [16] | nF: GCTAGGCCGATATCGGGAATGCAG nR: GTCTCACTATTCACCTTACCAGCAG | 344 | PSaV and PNoV | RdRp | F: GATTACTCCAAGTGGGACTCCAC R: TGACAATGTAATATCACCATA | 319 | Kim et al. (2010) [14] |
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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.
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