Table 2.

Characteristics of Rice Microsatellites and Efficiency of SSR Marker Development

Class of microsatellite markers No. primer pairs ordered[i] Mean no.repeats in SSR[ii] Mean GC% in flanking regions[iii] Rate of successful amplification Percent of polymorphic SSRs No. mapped markers
GA13015.04483.8%80.788
CA3212.13871.8%73.917
AT6322.33931.7%80.016
GC-rich TNRs457.85464.4%65.518
ATT2317.63678.3%72.213
GAA2312.74787.0%80.016
CAT and CAA128.85083.3%70.07
Tetranucleotides426.14171.4%60.018
(TA)n(CA)n1239.83958.3%1007
TOTAL 382 200

[i] The number includes 362 primer pairs ordered for BAC-end derived SSRs and 20 markers selected from the fully-sequenced BACs and PACs.

[ii] The mean number of repeats was calculated for the sequences selected for the primer design.

[iii] The mean GC content in flanking regions was estimated based on a total number of sequences in this class analyzed in this study.