Table 2.

Repetitive DNA composition of the Avena longiglumis genome.

Repeat type		Super family	Family	Repeat sequences (bp)	Copy number	Repeat fraction	Genome fraction
Transposable elements
Class I (Retrotransposons)
LTR	Gypsy			2,045,839,268	1,127,011	59.34%	51.65%
	Copia			1,035,647,971	575,382	30.04%	26.15%
	Unknown LTR			77,372,748	61,272	2.24%	1.95%
	Other LTR			213,586	628	0.01%	0.01%
Total LTR- Retrotransposons				3,159,073,573	1,764,293	91.63%	79.76%
Non-LTR	LINE	L1		38,994,208	42,780	1.13%	0.98%
Total Class I retrotransposons				3,198,067,781	1,807,073	92.76%	80.74%
Class II (DNA transposons)-Subclass 1
	Tc1_Mariner			21,858,891	69,956	0.63%	0.55%
	CACTA			29,566,991	75,699	0.86%	0.75%
	Mutator			25,388,681	82,292	0.74%	0.64%
	PIF_Harbinger			9,194,639	31,402	0.27%	0.23%
	hAT			7,600,354	22,266	0.22%	0.19%
Class II (DNA transposons)-Subclass II
	Helitron			43,779,456	117,248	1.27%	1.11%
Total Class II DNA transposons				137,389,012	398,863	3.99%	3.47%
Total transposable elements				3,335,456,793	2,205,936	96.75%	84.21%
Tandem and simple sequence repeats				11,144,119	162,888	0.32%	0.28%
Other repeats				100,883,895	369,975	2.93%	2.55%
Total repetitive DNAs				3,447,484,807	2,728,799	100%	87.04%