Table 2. Utility of trinucleotide repeat clones for the generations of STSs
AAC AAG AAT ACC ACT AGC AGG ATC
Total Clones 50 70 50 51 189 50 60 61
Primers designed 13 (26%) 12 (17%) 21 (42%) 10 (20%) 22 (12%) 9 (18%) 9 (15%) 24 (39%)
No primers-ALU/LINE ^ 20 (40%) 12 (17%) 16 (32%) 1 (2%) 5 (3%) 2 (4%) 1 (2%) 1 (2%)
No suitable primers 0 (0%) 1 (1%) 1 (2%) 1 (2%) 6 (3%) 2 (4%) 0 (0%) 0 (0%)
Misplaced repeat * 13 (26%) 8 (11%) 3 (6%) 6 (12% 22 (12%) 12 (24%) 13 (22%) 10 (16%)
Repeat length <7 1 (2%) 13 (19%) 3 (6%) 12 (24%) 45 (24%) 16 (32%) 31 (52%) 16 (26%)
Poor sequence 1 (2%) 4 (6%) 4 (8%) 9 (18%) 7 (4%) 2 (4%) 4 (7%) 5 (8%)
Duplicates 2 (4%) 20 (29%) 2 (4%) 12 (24%) 82 (43%) 7 (14%) 2 (3%) 5 (8%)
^ Repetitive element prevented the design of unique primers flanking the
observed trinucleotide repeat
* Repeats which were too close to the vector to have primers designed or
too distant from the vector to be accessible by sequencing