Table 1 of Yip, Mol Vis 2007; 13:2183-2193.


Table 1. PCR amplification and denaturing high performance liquid chromatography analysis: primers and conditions

The name of the fragment indicates the exon of the CHM gene amplified (e.g., chm1 for exon 1; two separate fragments chm5.1, and chm5.2 for exon 5). Column temperatures are indicated as astersk if sequence variations were found in the corresponding PCR fragments. Sequence variations were detected in five PCR fragments: chm2, chm5.2, chm6, chm8, and chm13. Optimization of the PCR amplifying fragment chm9 failed probably because of its low GC content (24.5%) and the presence of short tandem repeats within the fragment. (Cycle sequencing of cDNA prepared from a subsequent second sample did not reveal any sequence variation in exon 9 in the samples tested).

                                                                       DHPLC conditions
Fragment                PCR primers and conditions              ----------------------------
---------   -------------------------------------------------      Column        Percent of
 Name                                            Mg2+(mM)/Tm     temperature      buffer B
(size)               Primers (5'-3')                (°C)            (°C)        at start/end
---------   ----------------------------------   ------------   -------------   ------------
chm1        F: CTTCAACCCTCCAGGCTAAAT             1.5/58         56, 59             56/65
(360 bp)    R: CAAAACTCGCCACTGACAGAA

chm2        F: CTCTTTGGTGGTTAAACTGTTCTATACA      2.5/60         52*, 53*,          55/64
(324 bp)    R: ATTAAACAACTCCGATCTTTCTTCTAA                      55, 57, 58

chm3        F: TAAGGGTTAAAGATGGTTTGTTGATG        1.5/58         53, 54, 55,        52/61
(236 bp)    R: TTTCTTCAGTGCAGGGTTACTATGTA                       57

chm4        F: GAGTTTTGGTAAGATGAAATAAGCATGA      1.5/58         54, 55, 56,        56/65
(358 bp)    R: CAGCATATTAACGTGACTTGTAGCA                        57

chm5.1      F: TCATATTTTACTGAAACATTAACAGATGAAT   2.5/58         54, 55, 57         56/65
(382 bp)    R: ACAAGTTTTATCATCACAATGGTTTTCT

chm5.2      F: TGAAATGCTCACAGAACAAACCC           1.5/58         54*, 57*,          55/64
(324 bp)    R: AGAGAATTACAAAAACTGGGTTTATGG                       58

chm6        F: TTCTGAGCCTGTAATAGATTGTGTTAT       1.5/58         50, 51, 53*,       56/65
(384 bp)    R: GGAATTTACTGCTTTATGAGGAAAATA                      54*, 55, 57

chm7        F: CTGTTATATGTAAAGGGGAAAAAAGTG       2.5/60         52, 53, 55,        54/63
(278 bp)    R: GAGCAAGCATATTAAAATAGTAAGAAATGT                   57

chm8        F: GAAACACACTTCATCTCCTTTTTGT         2.5/58         53, 54, 55*,       57/66
(419 bp)    R: TTGCATATACTAAATCTTGAATAAATCTCA                   57, 58

chm9*       F: CTGTAATACCAGTTATGAAGTGTAAAATA     -              -
(335 bp)    R: TTGGGATATGTGTGTGTGTATATGTATA

chm10       F: GGTAGCCGATTACATTTTCTCAATTATT      1.5/60         52, 53, 55,        52/61
(246 bp)    R: AAGAACAGAATTACACAGGAATGTCA                       57, 59

chm11       F: GAGGTGACACTTTTATCCTGACTT          2.5/58         52, 54, 56,        54/63
(279 bp)    R: TTAGCTTGAGTGTAGTGATTAGTTCA                       57

chm12       F: CAGACATGATGTTTGAAAAAGATACTCA      1.5/60         54, 55, 56,        59/61
(278 bp)    R: CTGTAATAACTGCCCCCTTTACC                          58, 59

chm13       F: CTTGCTCAGCTCTCTATTATCC            1.5/60         53*, 54, 55        53/62
(262 bp)    R: TCTAAGAAGATTATGATGGTTACATTAC

chm14       F: TAGACTTCTCTCCTCCCAGA              1.5/58         52, 54, 56,        55/64
(326 bp)    R: TCGGTAATAGGCTACACAGTG                            57

chm15.1     F: GTACTGTAGCCTGTTTAAGCAAAT          1.5/58         52, 55, 58,        54/63
(304 bp)    R: CCTCTAGGTTTCCAAGGTTTG                            59

chm15.2     F: GAGGCTAACTCGGAGACTTTC             1.5/58         53, 55, 56,        56/65
(354 bp)    R: GATCACTTTCATATCCACAGTTACA                        57

Yip, Mol Vis 2007; 13:2183-2193 <http://www.molvis.org/molvis/v13/a248/>
©2007 Molecular Vision <http://www.molvis.org/molvis/>
ISSN 1090-0535