Effects of Recombination Rate and Gene Density on Transposable Element Distributions in Arabidopsis thaliana

Table 1.

TE Copy Number (Per MB) and Genome Characteristics in Regions of Reduced Recombination Compared With the Chromosome Arms
Reduced recombination
Chromosome arms
Class Ia 16.3*** 3.5
gypsy 33.0*** 0.3
Class II 30.6*** 10.2
CACTA 6.5*** 0.16
Class III 16.9*** 6.7
GC content 0.368** 0.361
Exon density (per Mb) 417** 1300
Fraction of coding DNA 0.131*** 0.326
Intron size (bp)b
188.9**
167.2

  • Significance levels are given for the Mann-Whitney U test, *, P <0.05

  • ↵a Class I elements include those insertins that could be definitively classified as copia-like, LINE-like, and SINE-like

  • ↵b Excludes contribution of TE insertions to intron length

  • ↵** , P <0.01

  • ↵*** , P <0.001

This Article

  1. Genome Res. 13: 1897-1903

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