Researchers have mapped 50,000 of DNA's mysterious "knots" in the human genome ... "That's a remarkably high number for a DNA structure whose existence in cells was once considered controversial.

The knot-like i-motif structure protruding from DNA’s double helix has been mapped in 50,000 locations in the human genome, concentrated in key functional areas including regions that control ...

Animation of DNA’s knot-like i-motif structure the team mapped in 50,000 locations in the human genome, concentrated in key functional areas including regions that control gene activity Credit ...

DNA’s iconic double helix has long been the symbol of life’s blueprint. However, the human genome conceals far more complexity. Among these mysteries are i-motifs, unusual knot-like DNA ...