Table 2.

Primers and PCR conditions used to sequence the carboxylase gene


Gene region

PCR conditions

Primer names

Primer sequences
Exon 1   94°C/1 min, TD 70/65°C/30 s, 2°C↘, 72°C/1 min (2% DMSO)   E-1-U   GCGTCCTCAACTCGGCGTCACTC  
   E-1-L   CTCCACCTCAAATCAAAGAAATC  
Exon 2   94°C/1 min, TD 61/55°C/30 s, 2°C↘, 72°C/1 min   E-2-U   GAGCTGTTGGTGCAGTGATTTCT  
   E-2-L   AGAGATTGTCATTCTCCACTCT  
Exon3/4/5   94°C/1 min, 55°C/30 s, 72°C/1 min   E-3-U   CCAATGACCAACTCCCCTAT  
   E-5-L   TCCTCCCTCTGTCCTAAAAT  
Exon 6   94°C/1 min, 55°C/30 s, 72°C/1 min   E-6-U   TGTAACTCAGGAGCATGGATTC  
   E-6-L   CATTACTGAGAGAGATGAGTCACCT  
Exon 7   94°C/1 min, TD 65/55°C/30 s, 2°C↘, 72°C/1 min   E-7-U   GCTGTGAATGTGCTTTGATGTG  
   E-7-L   AAGCCCCAGTCCTCTTATC  
Exon 8   94°C/1 min, TD 65/55°C/30 s, 2°C↘, 72°C/1 min   E-8-U   AGGCCCAGCCAAACTCCT  
   E-8-L   CTCACACTGACCCCATCC  
Exon 9/10   94°C/1 min, TD 65/55°C/30 s, 2°C↘, 72°C/1 min   E-9-U   GCTGATTCCCCTCTGTGCTG  
   E-10-L   AACCAGCTATGCCCACAAC  
Exon 11   94°C/1 min, 55°C/30 s, 72°C/1 min   E-11-U   GGTGGCTGTGATGTCCTTAGAA  
   E-11-L   CCCCATGGCAGAGTGAAC  
Exon 12   94°C/1 min, TD 52/48°C/30 s, 2°C↘, 72°C/1 min   E-12-U   GCCATGGGGTGGGATGATGAAC  
   E-12-L   CAGGCAACTGACAAGGGA  
Exon 13   94°C/1 min, TD 52/48°C/30 s, 2°C↘, 72°C/1 min   E-13-U   AGAAAGAAGCCAAGAGTCAT  
   E-13-L   GGCTAGAACATCATTCATAACC  
Exon 14   94°C/1 min, TD 52/48°C/30 s, 2°C↘, 72°C/1 min   E-14-U   CTAGCTGGCAGAAGAGGAGTT  
   E-14-L   AGAATGGCAGGAAAAGATACC  
Exon 15   94°C/1 min, TD 65/55°C/30 s, 2°C↘, 72°C/1 min   E-15-U   GGCTGTTCCTACCCTATCC  
   E-15-L   ACCTCCCCTTCTGCTCACC  
P1   94°C/30 s, TD 65/55°C/30 s, 1°C↘, 72°C/30 s (1.5 mM MgCl2)   1U   GGGCTCAAGCGAACCTC  
   379L   CTCCCCGACCCCATTAGT  
P2   94°C/15 s, TD 65/55°C/30 s, 2°C↘, 72°C/1 min   284U   GCGTCCTCAACTCGGCGTCACTC  
   1124L   GGGCTCCACCTCAAATCAAAGAAATC  
In1   94°C/15 s, 55°C/30 s, 72°C/1 min   969U   ACTGTAGTCTGAGGGGTTCTGG  
   2261L   TAGTCACATTTTGGGCTGGTTA  
6 kb   94°C/15 s, TD 70/62°C/30 s, 68°C/4 min* (3 mM MgCl2)   724U   GCAGAGCAATGGCGGTGTC  
   6065L   AGGGAGGCAGCGGAGAGTGGT  
In5-6   94°C/30 s, 55°C/30 s, 72°C/30 s (1.5 mM MgCl2)   5812U   AGATGTGCCCAGGATAGAT  
   6511L   GGCAAGAATAAAATAAGGAG  
4 kb   94°C/15 s, TD 66/58°C/30 s, 2°C↘, 68°C/3 min* (3 mM MgCl2)   6261U   TTCTTCCTTGGTGCCTGATACTGTC  
   10364L   AGCCTCTCCTCACTTTCCTCCATAC  
3.5 kb   94°C/15 s, 60°C/30 s, 68°C/2.5 min (1 mM MgCl2)   10470U   GGGATGATGGTGGTAAAGGT  
   13595L   GGAGGAGTGGGGGAGAGTAT  
3′ NC   94°C/30 s, 55°C/30 s, 72°C/30 s (1.5 mM MgCl2)   13321U   GAAGGGGAGGTAAAGTAAGAAT  

 

 
13676L
 
AATCCTGGAGTAGACACAATCA
 

Gene region

PCR conditions

Primer names

Primer sequences
Exon 1   94°C/1 min, TD 70/65°C/30 s, 2°C↘, 72°C/1 min (2% DMSO)   E-1-U   GCGTCCTCAACTCGGCGTCACTC  
   E-1-L   CTCCACCTCAAATCAAAGAAATC  
Exon 2   94°C/1 min, TD 61/55°C/30 s, 2°C↘, 72°C/1 min   E-2-U   GAGCTGTTGGTGCAGTGATTTCT  
   E-2-L   AGAGATTGTCATTCTCCACTCT  
Exon3/4/5   94°C/1 min, 55°C/30 s, 72°C/1 min   E-3-U   CCAATGACCAACTCCCCTAT  
   E-5-L   TCCTCCCTCTGTCCTAAAAT  
Exon 6   94°C/1 min, 55°C/30 s, 72°C/1 min   E-6-U   TGTAACTCAGGAGCATGGATTC  
   E-6-L   CATTACTGAGAGAGATGAGTCACCT  
Exon 7   94°C/1 min, TD 65/55°C/30 s, 2°C↘, 72°C/1 min   E-7-U   GCTGTGAATGTGCTTTGATGTG  
   E-7-L   AAGCCCCAGTCCTCTTATC  
Exon 8   94°C/1 min, TD 65/55°C/30 s, 2°C↘, 72°C/1 min   E-8-U   AGGCCCAGCCAAACTCCT  
   E-8-L   CTCACACTGACCCCATCC  
Exon 9/10   94°C/1 min, TD 65/55°C/30 s, 2°C↘, 72°C/1 min   E-9-U   GCTGATTCCCCTCTGTGCTG  
   E-10-L   AACCAGCTATGCCCACAAC  
Exon 11   94°C/1 min, 55°C/30 s, 72°C/1 min   E-11-U   GGTGGCTGTGATGTCCTTAGAA  
   E-11-L   CCCCATGGCAGAGTGAAC  
Exon 12   94°C/1 min, TD 52/48°C/30 s, 2°C↘, 72°C/1 min   E-12-U   GCCATGGGGTGGGATGATGAAC  
   E-12-L   CAGGCAACTGACAAGGGA  
Exon 13   94°C/1 min, TD 52/48°C/30 s, 2°C↘, 72°C/1 min   E-13-U   AGAAAGAAGCCAAGAGTCAT  
   E-13-L   GGCTAGAACATCATTCATAACC  
Exon 14   94°C/1 min, TD 52/48°C/30 s, 2°C↘, 72°C/1 min   E-14-U   CTAGCTGGCAGAAGAGGAGTT  
   E-14-L   AGAATGGCAGGAAAAGATACC  
Exon 15   94°C/1 min, TD 65/55°C/30 s, 2°C↘, 72°C/1 min   E-15-U   GGCTGTTCCTACCCTATCC  
   E-15-L   ACCTCCCCTTCTGCTCACC  
P1   94°C/30 s, TD 65/55°C/30 s, 1°C↘, 72°C/30 s (1.5 mM MgCl2)   1U   GGGCTCAAGCGAACCTC  
   379L   CTCCCCGACCCCATTAGT  
P2   94°C/15 s, TD 65/55°C/30 s, 2°C↘, 72°C/1 min   284U   GCGTCCTCAACTCGGCGTCACTC  
   1124L   GGGCTCCACCTCAAATCAAAGAAATC  
In1   94°C/15 s, 55°C/30 s, 72°C/1 min   969U   ACTGTAGTCTGAGGGGTTCTGG  
   2261L   TAGTCACATTTTGGGCTGGTTA  
6 kb   94°C/15 s, TD 70/62°C/30 s, 68°C/4 min* (3 mM MgCl2)   724U   GCAGAGCAATGGCGGTGTC  
   6065L   AGGGAGGCAGCGGAGAGTGGT  
In5-6   94°C/30 s, 55°C/30 s, 72°C/30 s (1.5 mM MgCl2)   5812U   AGATGTGCCCAGGATAGAT  
   6511L   GGCAAGAATAAAATAAGGAG  
4 kb   94°C/15 s, TD 66/58°C/30 s, 2°C↘, 68°C/3 min* (3 mM MgCl2)   6261U   TTCTTCCTTGGTGCCTGATACTGTC  
   10364L   AGCCTCTCCTCACTTTCCTCCATAC  
3.5 kb   94°C/15 s, 60°C/30 s, 68°C/2.5 min (1 mM MgCl2)   10470U   GGGATGATGGTGGTAAAGGT  
   13595L   GGAGGAGTGGGGGAGAGTAT  
3′ NC   94°C/30 s, 55°C/30 s, 72°C/30 s (1.5 mM MgCl2)   13321U   GAAGGGGAGGTAAAGTAAGAAT  

 

 
13676L
 
AATCCTGGAGTAGACACAATCA
 

The gene regions correspond to the PCR fragments shown in Figure 1A. The positions within the gene are indicated by the oligonucleotide primer number (U, upper; L, lower). PCR was performed for 30 cycles using the “touchdown” (TD) method: After a 94°C denaturation step, a hybridization step was performed (30 seconds, initial and final temperatures are indicated) with 2°C temperature decrements (↘) every 3 cycles. The last 15 cycles were performed at the final temperatures indicated. The products were then extended at 72°C for 1 minute, except for the 3.5 kb, 4 kb, and 6 kb fragments, which were extended at 68°C for 2.5, 3, and 5 minutes, respectively.

NC indicates noncoding sequence.

*

The extensions during the final 15 cycles of TD for the 4 kb and 6 kb fragments were 68°C for 5 and 4 minutes, respectively.

or Create an Account

Close Modal
Close Modal