Table 2.
Primers | Targeted region | Primer sequence 5′-3′ | Product size | References |
---|---|---|---|---|
Pancorona-specifica | RdRp (RNA-dependent RNA polymerase) gene | Forward (IN-2 deg) GGGDTGGGAYTAYCCHAARTGYGA | 452 bp | (4) |
For one-step RT-PCR Reverse (IN-4 deg) TARCAVACAACISY-RTCRTCA | ||||
Group 2-specific | Nucleoprotein gene | Forward (Gr2F) GAAGGCTCDGGAAR-GTCTG | 298––304 bpb | Vlasova and Saif, unpublished |
For one-step RT-PCR | Reverse (Gr2R) CCTCTYTTHCCAAAACACTG | |||
BCoV-specific-1 | Nucleoprotein gene | Forward (NOF) GCAATCCAGTAGTA-GAGCGT | 729 bp | (28) |
For RT-PCR | Reverse (NOR) CTTAGTGGCATCCTT-GCCAA | |||
BCoV-specific-2 | Nucleoprotein gene | Forward (NF) GCCGATCAGTCCGACC-AATG | 406 bp | (28) |
For nested-PCR | Reverse (NR) AGAATGTCAGCCGGGG-TAG |
aThe universal primers are modified from Ksiazek et al. (4) (seeNote 8) for RNA sample screening in our lab.
bBand size varies from 298 bp for MHV and SDAV-Rat coronaviruses to 304 bp for others, depending on exact nucleoprotein gene sequence.