Table 1. Summary of spinach transcriptome sequences.

sample ID	Accession No.	Species	No. raw reads	No. high quality readsa	No. rRNA reads	No. final cleaned readsb	Final cleaned nucleotides
Sp40	PI 608712	S. tetrandra	11,220,670	10,823,210	130,619	10,692,591	1,037,741,475
Sp42	PI 647860	S. tetrandra	9,301,545	9,035,669	128,237	8,907,432	859,510,808
Sp43	PI 647861	S. tetrandra	11,968,303	11,705,229	255,255	11,449,974	1,117,491,750
Sp49	PI 647864	S. turkestanica	9,580,222	9,126,379	54,604	9,071,775	872,975,381
Sp50	PI 647865	S. turkestanica	15,485,184	15,125,268	331,496	14,793,772	1,438,908,213
Sp51	PI 662295	S. turkestanica	16,640,543	16,276,742	401,807	15,874,935	1,547,778,458
Sp78	S13–32	S. oleracea	11,174,738	10,645,123	93,995	10,551,128	1,025,072,557
Sp82	JQSZ13-3	S. oleracea	10,560,339	10,039,569	154,651	9,884,918	959,870,221
Sp90	JQ13-1	S. oleracea	8,445,922	8,255,054	198,762	8,056,292	789,521,055
Total			104,377,466	101,032,243	1,749,426	99,282,817	9,648,869,918

^aReads left after removing adaptor and low quality sequences.

^bReads left after removing rRNA reads from the high quality reads.