Researchers have revealed new details about the CRISPR-Cas5-HNH/Cascade complex, a variant of the type I-E CRISPR-Cas system, ...

The information of life is packaged in genes, the units of heredity, distributed along the chromosomes of an organism; a human ... DNA instructions for the new cell. The twisted double strand ...

Inside a cell is a long strand of the chemical DNA (deoxyribonucleic ... and in studies pertaining to human dispersion.While most aspects of DNA are identical in samples from all human beings ...

To accomplish this, each strand of existing DNA acts as a template ... In comparison, eukaryotic human DNA replicates at a rate of 50 nucleotides per second. In both cases, replication occurs ...

But the human genome also contains more than 50,000 ... They form when stretches of cytosine letters on the same DNA strand pair with each other, creating a four-stranded, twisted structure ...

It occurs frequently in many different cell types, and it has important implications for genomic integrity, evolution, and human disease ... Rad51 polymerizes on the DNA strand to form what ...

The genetic connections between DNA repair pathways and human cancer predisposition have fueled interest ... on a common final step in which the continuity of the repaired DNA strand is restored by ...