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Table 1 Distribution of HERV-W elements.

From: A systematic evaluation of expression of HERV-W elements; influence of genomic context, viral structure and orientation

   Proviruses Solo LTRs Pseudoelements   
Intergenic 37 110 66   
Intronic 10 43 29   
p-value   0.508 a     
  Total 1 Expected* Pro Solo Total 2 Expected* Pse Expected*
Sense 21 43 3 16 19 28 2 14
Anti-sense 65 43 7 31 38 29 27 15
p-value 0.0005a 1.000b 0.087a 0.0008b
  1. Distribution of three categories of HERV-W elements in genic/intergenic regions and distribution of intronic HERV-W elements on sense and anti-sense strands, respectively. 1Total number of intronic HERV-W elements, 2 indicates number of proviruses and solo LTRs. * indicate expected number based on random integration (i.e. 50% on each strand). Pro, solo and pse indicate proviruses, solo LTRs and pseudoelements, respectively. aChi-square test, bFisher's exact test. P-values <0.05 were considered significant.
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