Table 1.

The summary of the silkworm lncRNAs identified by RNA-seq

Class code	Transcript number	Percentage	Description
j	16	0.36 %	At least one splice junction is shared with a reference transcript
o	26	0.58 %	Generic exonic overlap with a reference transcript
u	4286	95.65 %	Unknown, intergenic transcript
x	151	3.37 %	Exonic overlap with reference on the opposite strand
i	2	0.04 %	A transfrag falling entirely within a reference intron
total	4481	100 %