Draft genome of Dugesia japonica provides insights into conserved regulatory elements of the brain restriction gene nou-darake in planarians

Table 4 Summary of repeated elements in D. japonica genome

Repeated Elements	Numbers of elements^a	Length (bp)	Percentage of genome (%)
Retrotransposon	260,765	122,888,499	7.85%
LTR-Retrotransposon	194,395	101,831,050	6.51%
Non-LTR Retrotransposon	66,370	21,057,449	1.35%
DNA Transposon	323,715	109,645,290	7.01%
Unclassified	1,602,282	355,858,117	22.74%
Small RNA	4762	993,638	0.06%
Simple repeats	411,512	27,237,668	1.74%
Low complexity	80,856	4,603,818	0.29%
Total count	2,683,892	621,227,030	39.69%

^aMost repeats fragmented by insertions or deletions were counted as one element

ISSN: 2056-306X