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Table 1 Average number and length of exons in genes used for comparative analyses

From: Evolution of gene structure in the conifer Picea glauca: a comparative analysis of the impact of intron size

  Highly expressed genes1 Secondary cell-wall formation and nitrogen metabolism genes2
  Exon number Exon length Standard deviation Exon number Exon length Standard deviation
Arabidopsis thaliana 5.9 220.8 215.0 9.1 228.9 189.8
Populus trichocarpa 6.2 241.5 253.3 9.4 261.1 263.5
Zea mays 6.1 244.5 236.7 9.0 257.6 274.8
Picea glauca 6.2 236.5 226.0 9.5 223.9 217.8
  1. 1Data were obtained from 18 different genes and an average total of 109 exons per species.
  2. 2Data were obtained from 17 different genes and an average total of 157 exons per species.