Table 3. The downloaded data used in our integrative approach for piRNAs identificatiton across species.

Species/Dataset	positive	negative			chip-seq data		transposons	reference genome assembly
	piRNA	tRNA	miRNA	exonic regions	H3K9me3	H3K27me3
Homo sapiens	32 208	449	1 747	9 113	6 346 007	8 968 536	903 140	hg38
Mus Musculus	39 986	244	712	4 896	2 751	1 232 402	3 504 253	mm10
Drosophila melanogaster	18 508	93	288	740	508	2 322	803 255	dm6