Table 2. PCR primers, annealing temperature, product size and restriction enzymes for RFLP.
No. | PCR primer 1 (5′–3′) | PCR primer 2 (5′–3′) | Annealing temp. (°C) | Product size (bp) | Restriction enzyme |
---|---|---|---|---|---|
A | GTGTAACCCATAACCCCCAAGA | CACCAGCAGACCCTCAAGC | 60 | 226 | Eco57I |
B | CTGATCTGCTTCTCCCACGAG | GCAGTAAGAGAGTCCGAAATGG | 60 | 243 | BtgI |
C | TCAACTACGAACTCCCTAATGCAA | GATGACGAGTATGTTTCCAGCAA | 60 | 252 | MspI |
C(1)a | TCAACTACGAACTCCCTAATGCAA | GAGGCACCCTTCACAGGAAA | 60 | 147 | – |
C(2)a | TCAACTACGAACTCCCTAATGCAA | TTATAGTTTGTTTGCCCCCTGA | 60 | 477 | – |
D | TGAAATATGTTGCCACTTACCTACTG | CCCAGAGCTGGAAATTGTCATA | 60 | 309 | BamHI |
E | GGGATGCTTGGAACAGATCAC | CTTGACACAGGGGAGTGGAAG | 60 | 343 | BslI |
F | GACTGACCCCTATTCCCTGCTT | ACACAGCCAAGGAGATGACAAAG | 60 | 275 | DdeI |
G | CAGAGCTTGGCATATTGTATC | GTAAACACACAACTAGTCAATG | 49 | 321 | SmaI |
H | TACCTGCTGTGCACTTGTCC | CCCAATTCTGCACAGTCTGA | 60 | 295 | ScaI |
I/J | ACCTGATTTCCTTACTGCCTCTTGC | GTCCTGCTTGCTTACCTCGCTTAGT | 60 | 200 | BcgIb/Cfr101 |
K/L | CAAAAATGAGCACGCTTTCCT | GGCTTTGCTTTGTCTTGTTGC | 60 | 284 | DdeI |
aPCR products of experiments C(1) and C(2) were used in the validation of the method.
bFor RFLP analysis in experiment I, the amplified 200 bp DNA fragment was again amplified with primer 2 and a mutagenesis primer (5′- TACTGGGACGGAACACGATTGAGGTG-3′) to generate a BcgI site in the wild-type fragment.