Comparative analyses of DNA repeats and identification of a novel Fesreba centromeric element in fescues and ryegrasses

Table 2 Proportion of repetitive DNA sequences identified de novo

Repeat		Lineage/class	Proportion of repeat in monoploid genomes [%]
Repeat		Lineage/class	FPF	FPW	FAR	FGI	FGL	FMA	LM2	LMM	LP2	LPN
LTR retroelements	*Ty1/Copia*	Maximus-SIRE	1.72	1.65	1.69	1.78	1.84	1.93	0.89	0.87	1.16	1.25
		Angela	4.43	4.53	3.33	4.86	2.83	2.54	3.63	3.32	4.52	4.13
		TAR (Tont)	0.3	0.27	0.28	0.30	0.31	0.34	0.28	0.25	0.24	0.25
		Tork (Tnt)	0.05	0.04	0.05	0.05	0.05	0.06	0.07	0.07	0.08	0.07
		Ale (Hopscotch)	0.1	0.07	0.07	0.07	0.04	0.03	0.22	0.22	0.14	0.14
		Ivana-Oryoco	0.05	0.05	0.03	0.07	0.02	0.02	0.03	0.02	0.01	0.02
		*TotalTy1/Copia***	6.65	6.61	5.45	7.13	5.09	4.92	5.12	4.75	6.15	5.86
	*Ty3/Gypsy*	Athila	6.32	6.88	6.73	6.02	4.96	5.56	25.69	23.54	30.33	24.4
		Chromovirideae	9.6	9.57	7.97	7.40	7.35	6.17	7.11	6.63	7.49	6.97
		Ogre-Tat	12.61	12.03	8.65	8.40	6.76	4.22	5.10	5.20	5.83	6.68
		*TotalTy3/Gypsy***	28.53	28.48	23.35	21.82	19.07	15.95	37.90	35.37	43.65	38.05
Unclassified LTR elements			5.51	5.15	6.35	4.43	7.14	5.35	4.55	4.14	5.54	5.15
Other	LINE		0.26	0.27	0.29	0.37	0.27	0.23	0.34	0.31	0.20	0.23
	DNA transposons		2.35	2.16	1.95	1.81	1.44	1.45	2.38	2.25	2.08	2.15
	Tandem repeats		5.52	5.53	3.41	14.63	2.55	3.63	8.67	9.86	4.20	4.99
	rRNA genes		1.13	1.07	0.57	0.50	0.43	0.56	1.48	2.03	1.23	2.10
Unclassified repeats			13.79	13.94	10.82	12.76	9.39	8.29	10.04	9.86	8.51	9.02

ISSN: 1471-2229