G-quadruplexes (G4s) are non-canonical structures formed by guanine-rich nucleic acids, increasingly implicated in transcriptional control, replication dynamics and genome stability at telomeres and ...
(a) Fluorescence images showing the chromatin in FGO stained with DAPI. Scale bar, 20 μm. Yellow triangles indicate DAPI-dense heterochromatin foci and the red triangles denote the nucleoli or NLBs.
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