Every time a cell divides, it must copy its DNA with extraordinary precision. But this process is constantly challenged by ...

The DNA packed inside every human cell contains instructions for life, written in billions of letters of genetic code. Every time a cell divides, the complete code, divided among 46 chromosomes, must ...

Scientists are uncovering the intricate shapes and processes of DNA that go far beyond the textbook double helix. From visualizing tangled structures with nanometer precision to decoding how cells ...

Movie 1: Movement of single nucleosomes in living human cells. The movie shows nucleosome fluctuations in euchromatin (left), where gene expression is active, and in heterochromatin (right), where ...

Researchers at The University of Texas MD Anderson Cancer Center have identified a key enzyme—RNase H2—that helps ...