(f) Unique motif enriched in WT and CKO GO/FGO. G-quadruplex (G4) is a unique nucleic acid secondary structure formed by guanine-rich DNA or RNA sequences through Hoogsteen hydrogen bonding among ...

(a) Distribution of PQS (G-score ≥ 30) within mouse 47S pre-rRNA (Genebank: BK000964.3). (b) FISH of pre-18S and pre-28S in GO and FGO. Triangles indicate the nucleolus or NLB in the oocytes.