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Table 3 Summary of the motif and polymorphism characteristics of microsatellites found in BMc markers

From: Gene-based SSR markers for common bean (Phaseolus vulgarisL.) derived from root and leaf tissue ESTs: an integration of the BMc series

BMc marker types Leaf EST source Root EST source Number of SSRs Percentage of total
Di-nucleotide based 10 40 50 41.7
Tri-nucleotide based 16 50 66 55.0
Tetra, penta or hexa-nt based 1 3 4 3.3
Multi-copy 0 6 6 5.0
Non-Amplifying 6 10 16 13.3
Monomorphic in survey 12 47 59 49.2
Polymorphic in survey 9 30 39 32.5
Polymorphic in cultivated 7 27 34 28.3
Polymorphic in wild only 1 4 5 4.2
  1. BMc markers developed from leaf and root expressed sequence tags (EST) are separately and jointly considered for number of simple sequences repeats (SSRs) and percentage of total.