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Table 1 Orientation bias values of TEVs or apparently fixed TEs in the mouse genome

From: The genomic landscape shaped by selection on transposable elements across 18 mouse strains

  Sense Antisense Percentage sense Chi-square test P-value
ERV TEV 2,042 4,176 32.8% 0.61
Apparently fixed ERV 61,857 128,263 32.5%  
LINE TEV 3,803 5,336 41.6% 3. 5 × 10-33
Apparently fixed LINE 81,655 148,497 35.5%  
SINE TEV 4,192 5,528 43.1% 1.2 × 0-4
Apparently fixed SINE 282,011 343,528 45.1%  
  1. For each TE superfamily the number of intronic variants within mouse genes with human orthologs was counted. B6+ TEVs and apparently fixed C57BL6/J TEs were counted as either sense or antisense with respect to the gene's transcriptional orientation. Significant differences between the orientation biases of apparently fixed and variant TEs were obtained using a chi-square test.