Table 1. Sequencing statistics of the Allium cepa L. transcriptomes.

Summary	Total nucleotides
Total number of reads	452,194,370
Clean reads	450,821,674
Avg. of GC %	42.4
Total no. of isogenes/transcripts	93,637
Avg. length in bp	1,331
Minimum length in bp	500
Maximum length in bp	15,559
N50 length	1,625
Total no. of genes	54,047
Avg. length in bp	807
Minimum length in bp	150
Maximum length in bp	14,970