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Table 1 Numbers of homologous genes and promoters in photoperiod (PH), vernalization (VE), and pathway integration (PI) in Arabidopsis, Brachypodium, wheat and barley. Numbers in the parentheses indicate average promoter sequence length

From: Bioinformatic prediction of transcription factor binding sites at promoter regions of genes for photoperiod and vernalization responses in model and temperate cereal plants

  Arabidopsis Brachypodium Wheat Barley
Gene Promoter Gene Promoter Gene Promoter Gene Promoter
PH 40 39 (710) 34 34 (930) 124 105 (882) 40 38 (868)
VE 21 20 (905) 21 21 (1000) 50 40 (843) 14 14 (946)
PI 7 7 (1000) 5 5 (1000) 21 18 (827) 7 6 (820)
Total 68 66 (804) 60 60 (961) 195 163 (866) 61 58 (883)