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Table 4 Summary of correlations between CGI density and genomic features

From: CpG island density and its correlations with genomic features in mammalian genomes

Algorithm Genomic features r P Shown in figure
TJ (9 genomes) Chromosome pairs 0.88 7.9 × 10-4 1a
  Log10(chromosome size) -0.51 2.6 × 10-16 1b
  Chromosome GC content 0.65 3.5 × 10-28 1c
  Chromosome ObsCpG/ExpCpG 0.75 2.8 × 10-41 1d
  Chromosome arms 0.62 0.037  
  Genome size -0.53 0.073*  
  Genomic GC content 0.24 0.27*  
  Genomic ObsCpG/ExpCpG 0.63 0.035  
TJ (9 genomes, intergenic CGIs) Chromosome pairs 0.79 0.005 S2a
  Log10(chromosome size) -0.55 7.3 × 10-19 S2b
  Chromosome GC content 0.39 8.6 × 10-10 S2c
  Chromosome ObsCpG/ExpCpG 0.67 3.7 × 10-30 S2d
TJ (10 genomes) Chromosome pairs 0.58 0.039 S1a
  Log10(chromosome size) -0.70 2.6 × 10-37 S1b
  Chromosome GC content 0.64 3.7 × 10-29 S1c
  Chromosome ObsCpG/ExpCpG 0.89 1.5 × 10-81 S1d
GF (9 genomes) Chromosome pairs 0.92 2.0 × 10-4 S5a
  Log10(chromosome size) -0.63 1.3 × 10-25 S5b
  Chromosome GC content 0.72 3.2 × 10-37 S5c
  Chromosome ObsCpG/ExpCpG 0.81 2.4 × 10-53 S5d
CpGcluster (9 genomes) Chromosome pairs 0.81 0.004 S6a
  Log10(chromosome size) -0.52 1.6 × 10-16 S6b
  Chromosome GC content 0.21 0.001 S6c
  Chromosome ObsCpG/ExpCpG 0.61 5.5 × 10-24 S6d
  1. *Insignificant correlation. GF, Gardiner-Garden and Frommer's algorithm; TJ, Takai and Jones' algorithm.