Table 1.

Pre-analysis of raw reads.

SRA ID	Total number of reads	Total number of reads after trimming	Discard reads
SRX2645684	32,773,784	14,832,557	17,941,227
SRX2645685	53,196,385	36,620,492	16,575,893
SRX2645686	7,410,423	4,375,882	3,034,541
SRX2645687	17,408,948	11,073,982	6,334,966