Each of us has enough DNA to reach from here to the sun and back, more than 300 times. How is all of that DNA packaged so tightly into chromosomes and squeezed into a tiny nucleus? Histones are a ...

DNA uncoils from the nucleosome asymmetrically (uncoiling from one end much more easily) scientists have discovered. The DNA is packaged into chromosomes, which resemble beaded bracelets. The string ...

In a first, researchers have worked out a way to unravel and model the tangled, 3D structures of intact mammalian genomes from individual cells. The new method, published Monday in Nature, could help ...

Each chromosome consists of one continuous thread-like molecule of DNA coiled tightly around proteins, and contains a portion of the 6,400,000,000 basepairs (DNA building blocks) that make up your DNA ...

A tremendous amount of genetic material must be packed into the nucleus of every cell -- a tiny compartment. One of the biggest challenges in biology is to understand how certain regions of this ...

If stretched out and laid end-to-end, the DNA in a human cell's 46 chromosomes would span about 6 feet. Yet it fits inside of a nucleus only micrometers in diameter. Somehow, the DNA gets compacted by ...

If a species wants to survive, genetic information has to be passed successfully from one generation to the next. For fathers and sons, DNA must be carefully packaged in sperm. Now scientists have ...

"We discovered this interesting physics of DNA that its sequence determines the flexibility and thus the stability of the DNA package inside the cell," said Gutgsell Professor of Physics Taekjip Ha, ...

Baltimore, MD--A tremendous amount of genetic material must be packed into the nucleus of every cell--a tiny compartment. One of the biggest challenges in biology is to understand how certain regions ...