BMC Plant Biology

Table 1 The classification and annotation of small RNAs in inbred lines and hybrid combinations

From:MicroRNA transcriptomic analysis of the sixth leaf of maize (Zea maysL.) revealed a regulatory mechanism of jointing stage heterosis

Type	Ye 478		Zheng 58		Chang 7–2		Huangzaosi		Zhengdan 958		Anyu 5		Zheng 58 × Huangzaosi		Ye 478 × Huangzaosi
Type	No.	(%)	No.	(%)	No.	(%)	No.	(%)	No.	(%)	No.	(%)	No.	(%)	No.	(%)
exon antisense	36,845	0.9	32,679	1.01	29,745	0.88	32,504	1.08	32,529	1	29,376	0.94	31911年	1.02	35,795	1.1
exon sense	351,662	8.63	310,750	9.6	267,915	7.91	252,898	8.41	281,694	8.69	363,730	11.62	318,596	10.22	246,757	7.6
intron antisense	65,219	1.6	58,022	1.79	53,706	1.59	50,573	1.68	54,489	1.68	49,937	1.59	53,732	1.72	58,784	1.81
intron sense	116,696	2.86	111,391	3.44	89,864	2.65	97,169	3.23	107,592	3.32	103,050	3.29	107,009	3.43	102,996	3.17
miRNA	1391	0.03	1720	0.05	1347	0.04	1476	0.05	1530	0.05	1529	0.05	1646	0.05	1684	0.05
rRNA	362,479	8.89	279,587	8.64	341,718	10.09	299,149	9.95	340,457	10.5	286,987	9.17	303,380	9.73	302534年	9.32
repeat	13,748	0.34	11,972	0.37	11,471	0.34	10,243	0.34	11,117	0.34	9977	0.32	10,564	0.34	11,587	0.36
snRNA	11,233	0.28	10,058	0.31	11,230	0.33	11,567	0.38	11,788	0.36	12,166	0.39	11,238	0.36	11,754	0.36
snoRNA	7598	0.19	7956	0.25	6524	0.19	7109	0.24	6330	0.2	6972	0.22	6376	0.2	6635	0.2
tRNA	122,738	3.01	68,283	2.11	103,502	3.06	90,753	3.02	86,469	2.67	79,262	2.53	72,217	2.32	82,897	2.55
unannotated sequences	2,987,131	73.27	2,343,364	72.42	2,470,517	72.93	2,154,506	71.63	2,307,998	71.19	2,188,282	69.88	2201162年	70.6	2,384,698	73.46

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