Table 1. Summary of small RNA numbers in the ten libraries.

	S_10DAF	S_15DAF	S_21DAF	S_27DAF	S_35DAF	I_10DAF	I_15DAF	I_21DAF	I_27DAF	I_35DAF
Number of total clean reads	14,248,902	13,297,350	11,378,685	11,647,614	10,658,388	11,630,087	11,722,844	15,774,443	17,702,636	13,827,504
Number of mapped reads	12,779,360	11,811,091	9,941,669	9,867,610	8,789,166	10,621,487	10,754,320	14,302,943	15,851,871	12,122,729
Reads number of siRNAs with duplex structure	1,277,501	845,336	473,392	668,230	731,697	2,129,858	1,825,379	1,770,892	1,641,681	784,072
Reads number of siRNAs unambiguously mapped	816,706	433,010	147,284	131,530	100,723	1,724,709	1,483,629	1,353,252	1,106,900	347,937
Reads number of 24 nt-siRNAs	738,515	368,377	93,525	68,383	56,503	1,650,145	1,430,126	1,278,948	1,056,603	288,764
Number of unique 24 nt-siRNAs	84,853	65,744	26,949	23,028	18,499	78,896	88,969	91,319	102,123	48,904