Spatio-temporal regulation of circular RNA expression during porcine embryonic brain development

Table 1 CircRNA expression in porcine cortex

	E23	E42	E60	E80	E100	E115	All
Number of circRNAs	1511	2604	2681	1494	1091	945	4634
Genes producing linear transcripts	12,244	11,536	11,117	11,795	11,732	11,350	13,854
Genes producing circRNAs	1012	1462	1545	1012	774	658	2195
Percentage of genes producing circRNAs	8.3 %	12.7 %	13.9 %	8.6 %	6.6 %	5.8 %	15.8 %
CircRNAs expressed above host	45	48	94	37	44	38	138
Genes producing three or more circRNAs	107	259	234	91	71	56	365
Percentage of genes producing three or more circRNAs	0.87 %	2.25 %	2.10 %	0.77 %	0.61 %	0.49 %	2.63 %

CircRNAs expressed in porcine cortex from E23 until E115. Only circRNAs with expression above 0.05 back-spliced reads per million raw reads (RPM) are included. Annotated gene expression cutoff is set at 1 FKPM (fragments per kilobase of exon per million fragments mapped)

ISSN: 1474-760X