Table 1 The most frequent TR motifs and GC contents in different genomic regions
Group Name (Genome GC Content Range)RegionAverage GC Content, %Top Motifs
Dicots (32%–40%)Whole genome35.61A/T; AT; ATT/AAT, AAG/CTT
UI100032.63A/T; AT; ATT/AAT, AAG/CTT
UI50031.75A/T; AT; ATT/AAT
UI20035.56A/T; AT, CT; CTT/AAG
5′UTR39.89CT/AG; CTT/AAG
CDS44.34AAG/CTT
Intron33.19T; AT; ATT
3′UTR35. 41T; AT; ATT/AAT
DI20034.58T/A; AT, AG; AAT/ATT, AAG/CTT
DI50032.78T/A; AT; AAT/ATT, AAG/CTT
DI100033.50T/A; AT; AAT/ATT, AAG/CTT
Monocots and bryophytes (34%–55%)Whole genome43.29AT; AAT/ATT, CCG/CGG
UI100042.39AT; AAT/ATT, CCG/CGG
UI50043.38AT; ATT, CCG
UI20049.20AT; CCG
5′UTR54.79AG/CT; CCG
CDS53.32CGG/CCG
Intron39.15C; CT
3′UTR42.34CTT/AAG, CCG, GT
DI20045.27AT; CGG/CCG
DI50042.67AT; CGG/CCG
DI100042.56AT; CGG/CCG
Green algae (>55%)Whole genome59.58AC/GT; CCG/CGG; AAGCATATGCGATCTGC
UI100057.38AC/GT; CCG/CGG; AAGCATATGCGATCTGC
UI50055.84GT/AC
UI20052.32GT/AC
5′UTR52.82AGC
CDS66.17CGG/CGG, AGC
Intron58.38GT/AC
3′UTR55.42GCT/AGC; GT
DI20053.75GT/AC
DI50056.32GT/AC; AAGCATATGCGATCTGC
DI100057.16GT/AC; AAGCATATGCGATCTGC