| CircRNAs in viruses and bacteria |
Hepatitis δ virus |
Protein of 122 amino acids |
The hepatitis delta antigen (HDAg) |
Kos et al. (1986) |
| A virusoid associated with rice yellow mottle virus |
16-kDa highly basic protein |
Unknown |
AbouHaidar et al. (2014) |
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Escherichia coli: 795-nt circular mRNA |
GFP |
Fluorescent |
Perriman & Ares Jr (1998) |
| HPV16-derived-circE7 |
E7 protein |
Influencing the development of cancer. |
Zhao et al. (2019) |
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| Artificial circRNAs or synthetic modified RNA |
HEK-293 cells |
GFP |
Fluorescent |
Wang & Wang (2015) |
| Rabbit reticulocyte lysate and HeLa cells |
FLAG protein (EGF, IGF-1, IGF-2) |
Human growth factors |
Abe et al. (2015) |
| Rabbit reticulocyte lysate |
23-kDa product |
Unknown |
Chen & Sarnow (1995) |
| HEK293 cells |
GFP, Firefly luciferase, human erythropoietin |
Convenient for the author to test |
Wesselhoeft, Kowalski & Anderson (2018) |
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| Endogenous circRNAs |
Drosophila: circMbl3 |
37.04-kDa protein |
Unknown |
Pamudurti et al. (2017) |
| Human: circ-ZNF609 |
circ-ZNF609-encoded protein |
Unknown |
Legnini et al.(2017) |
| Human: circ-FBXW7 |
FBXW7-185aa |
Cooperates with FBXW7 to control c-Myc stability |
Yang et al. (2018) |
| Human: circ-SHPRH |
SHPRH-146aa |
Guarding against full-length SHPRH protein degradation |
Zhang et al. (2018a) |
| Human: CircPINTexon2 |
PINT87aa |
Inhibiting oncogenes transcriptional elongation |
Zhang et al. (2018b) |
| Human: circPPP1R12A |
circPPP1R12A-73aa |
Promoting the colon cancer pathogenesis and metastasis |
Zheng et al. (2019) |
| Human: circβ-catenin |
β-catenin-370aa |
Stabilizing full-length β-catenin |
Liang et al. (2019) |
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Drosophila: circSfl |
circlSfl protein |
Extending the lifespan of fruit flies |
Weigelt et al. (2020) |
