Centromere Satellites From Arabidopsis Populations: Maintenance of Conserved and Variable Domains

Table 3.

Percent Substitution Type in Satellites and Genes

Sequence type Transitions Transversions χ2 Significance
α-Satellite repeats 38.0 62.0 0.99 P < 0.5
Arabidopsisrepeats 40.8 59.2 2.5 P < 0.5
Introns
 Chromosome arm 56.6 43.4 24 P < 0.001
 Centromere 60.0 40.0 32 P < 0.001
Exons    
 Chromosome arm 68.3 31.7 55 P < 0.001
 Centromere 75.0 25.0 78 P < 0.001

  • ↵Expected = 0.33.

  • ↵Expected = 0.66.

  • ↵χ2 test compared the expected frequency of transitions and transversion with the observed frequency; shading indicates significant deviations from expected values.

This Article

  1. Published in Advance January 14, 2003, doi: 10.1101/gr.593403 Genome Res. 13: 195-205

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