Table 1.

The species and the related annotations/resources used in this study

Species	Annotation/resource					circRNA-miRNA		miRNA-mRNA
	E	G	EP	EM	mB	mR	ENC	mIB	mDB	ENC
Arabidopsis thaliana			V		V	V		V
Bombyx mori				V	V	V		V
Bos taurus	V				V	V		V
Caenorhabditis elegans	V			V	V	V		V
Canis familiaris	V				V	V		V	V
Danio rerio	V				V	V		V
Drosophila melanogaster	V				V	V		V
Gallus gallus	V				V	V		V	V
Homo sapiens	V	V			V	V	V	V	V	V
Mus musculus	V	V			V	V	V	V	V	V
Oryza sativa			V		V	V		V
Oryzias latipes	V				V	V		V
Ovis aries	V				V	V		V
Rattus norvegicus	V				V	V		V	V
Sus scrofa	V				V	V		V
Taeniopygia guttata	V				V	V		V
Xenopus tropicallis	V				V	V		V

E, Ensembl; G, GENCODE; EP, Ensembl Plants; EM, Ensembl Metazoa; mB, miRbase; mR, miRanda; ENC, ENCORI; mTB, miRTarBase; mDB, miRDB