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Table 2 Percentage of polymorphic markers for successfully amplified primer pairs

From: Construction of an integrated genetic linkage map for the A genome of Brassica napus using SSR markers derived from sequenced BACs in B. rapa

Motifs

Primers designed

Amplified primersa (%)

Polymorphic primersb (%)

Di-nucleotides

666

591(88.74)

339(50.90)

AG

338

306(90.53)

193(57.10)

AT

294

254(86.39)

128(43.54)

AC

34

31(91.18)

18(52.94)

Tri-nucleotides

164

150(91.46)

92(58.10)

AAG

61

56(91.80)

37(60.66)

ATG

35

33(94.29)

20(57.14)

AGG

18

17(94.44)

8(44.44)

AAT

21

19(90.48)

11(52.38)

AAC

16

14(87.50)

8(50.00)

GC-rich TNRs

13

11(84.62)

8(61.54)

Tetra-nucleotides

30

29(96.67)

16(53.33)

Penta-nucleotides

30

24(80.00)

13(43.33)

Total

890

794(89.21)

460(51.69)

  1. a Percentage of successfully amplified SSRs per designed primer pairs
  2. b Percentage of polymorphic markers per successfully amplified primer pairs based on the screening of six B. napus lines.