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Table 5 Repetitive transposon classification

From: De novo characterization of the gametophyte transcriptome in bracken fern, Pteridium aquilinum

Transposon class Number of elements Total length Percentage of sequence
Retroelements 416 51,070 0.17%
   LINE/L1 38 2,458 0.01%
   LTR 378 48,612 0.16%
Copia 183 21,750 0.07%
Gypsy 195 26,862 0.09%
DNA transposons 269 22,699 0.07%
   hobo-Activator 20 2,022 0.01%
   Tc1-IS630-Pogo 1 46 0.00%
   En-Spm 180 13,395 0.04%
   MuDR-IS905 33 1,834 0.00%
   Harbinger 6 368 0.00%
   Rolling circle Helitrons 29 5,034 0.02%
  1. Classification and frequency statistics for repetitive elements identified by RepeatMasker. The database used to screen unigenes was built with repeat sequences identified in RepBase as belonging to land plants (Embryophyta).