Stage | Oocyte | Zygote | 2-cell | 4-cell | 8-cell | Morula | Blastocyst |
---|---|---|---|---|---|---|---|
Average number of mRNA molecules per embryo (×106) | 26.8 | 21.3 | 4.5 | 5.7 | 6.6 | 13.8 | 21.1 |
Average number of circRNA molecules per embryo | 2278 | 1850 | 1509 | 1422 | 1602 | 2799 | 779 |
Ratio of circRNA/host linear RNAR | 1.6 % | 1.7 % | 2.2 % | 4.7 % | 4.2 % | 6.8 % | 9.8 % |
Average number per type of circRNA transcript per embryo | 71 | 64 | 24 | 15 | 21 | 41 | 158 |
Number of circRNA genesa per stage | 363 | 425 | 684 | 517 | 433 | 474 | 123 |
Number of types of circRNA transcripts per stage | 591 | 718 | 1,243 | 861 | 702 | 721 | 140 |