YAHOO.COM - Sixty years after scientists described the chemical code of life — an interweaving double helix called DNA — researchers have found four-stranded DNA is also lurking in human cells. The ...
(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.
MSK researchers are shedding new light on G-quadruplexes, a type of secondary DNA structure that can cause DNA replication to stall. The structures are a potential therapeutic target in cancer. Image ...