Table 1.

Total read numbers throughout the filtering process. Raw (raw data after downloading), Clipped (remaining reads after removing adaptors and reads shorter than 17 nt), Filtered (remaining reads after filtering by read quality) and Sized (remaining reads after removing sequences longer than 26 nt)

Samples	Counts				Overall Remaining (%)
	Raw	Clipped	Filtered	Sized
PC	57,376,715	42,480,101	39,296,309	30,132,774	52,52
TC	55,492,134	42,720,612	39,513,638	29,310,231	52,82
TQ	48,058,874	36,611,767	33,906,594	24,038,384	50,02
					51,78