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Table 4 Pair wise divergence time of genome segments based on synonymous base substitution rates

From: Conserved microstructure of the Brassica B Genome of Brassica nigra in relation to homologous regions of Arabidopsis thaliana, B. rapa and B. oleracea

Region   A genome C Genome Arabidopsis
  Number of genes Average Ks Mya Average Ks Mya Average Ks Mya
B genome Contig A 15 genes 0.18 ± 0.07 6.073 ± 2.18 0.19 ± 0.06 6.60 ± 2.04 0.42 ± 0.10 14.30 ± 3.28
A genome Contig A     0.09 ± 0.05 3.22 ± 1.68 0.41 ± 0.09 13.68 ± 2.91
C genome Contig A       0.41 ± 0.09 13.96 ± 3.16
B genome Contig B 25 genes 0.20 ± 0.07 6.92 ± 2.25 0.22 ± 0.06 7.36 ± 2.10 0.42 ± 0.09 14.20 ± 2.99
A genome Contig B     0.09 ± 0.05 3.20 ± 1.65 0.43 ± 0.10 14.44 ± 3.24
C genome Contig B       0.45 ± 0.10 15.04 ± 3.31
B genome Contig C 16 genes 0.18 ± 0.06 6.30 ± 2.01 0.18 ± 0.07 6.06 ± 2.41 0.45 ± 0.13 15.07 ± 4.45
A genome Contig C     0.10 ± 0.06 3.47 ± 1.85 0.43 ± 0.10 14.54 ± 3.41
C genome Contig C       0.43 ± 0.11 14.39 ± 3.61
B genome Contig D 28genes 0.20 ± 0.11 6.81 ± 3.67 0.19 ± 0.09 6.34 ± 2.96 0.50 ± 0.14 16.69 ± 4.69
A genome Contig D     0.10 ± 0.06 3.59 ± 1.85 0.52 ±0.18 17.40 ± 5.86
C genome Contig D       0.50 ± 0.18 16.99 ± 5.99
B genome Contig E 7 genes 0.15 ± 0.04 5.17 ± 1.46 0.14 ± 0.04 4.91 ± 1.38 0.48 ± 0.19 16.03 ± 6.44
A genome Contig E     0.08 ± 0.05 2.97 ± 1.51 0.46 ± 0.18 15.47 ± 6.12
C genome Contig E       0.46 ± 0.18 15.59 ± 6.12
B genome Contig F 41 genes 0.19 ± 0.05 6.46 ± 1.91 0.18 ± 0.06 6.32 ± 1.98 0.47 ± 0.14 15.93 ± 4.70
A genome Contig F     0.08 ± 0.03 2.76 ± 1.11 0.48 ± 0.14 16.10 ± 4.64
C genome Contig F       0.47 ± 0.14 15.83 ± 4.65