chemical visualization of a G-quadruplex
Strange DNA Structures Linked to Cancer
A study reveals a connection between the loss of enzymes responsible for removing methyl groups from DNA, nucleic acid knots, and cancer development in mice.
ABOVE: WIKIMEDIA COMMONS, Thomas Splettstoesser
Strange DNA Structures Linked to Cancer
Strange DNA Structures Linked to Cancer

A study reveals a connection between the loss of enzymes responsible for removing methyl groups from DNA, nucleic acid knots, and cancer development in mice.

A study reveals a connection between the loss of enzymes responsible for removing methyl groups from DNA, nucleic acid knots, and cancer development in mice.

ABOVE: WIKIMEDIA COMMONS, Thomas Splettstoesser

G-quadruplexes

RNA Sequences Don’t Predict In Vivo Transcript Structure
Catherine Offord | Jan 1, 2017
Eukaryotes prevent secondary RNA structures called G-quadruplexes, commonly observed in vitro, from forming in the cell. 
Infographic: Keeping RNA Structures in Line
Catherine Offord | Dec 31, 2016
Scientists find fewer RNA G-quadruplexes in vivo than in vitro.
Characterizing DNA Quadruplexes
Jef Akst | Sep 10, 2015
Researchers are developing new techniques to better understand how and why knots of DNA are distributed throughout the genome.
DNA, Contortionist
Kerry Grens | Aug 1, 2012
The DNA forms known as G-quadruplexes are finally discovered in human cells.