This enzyme is able to silence specific DNA sections by epigenetically modifying histone proteins that package the DNA. These modifications ensure that the DNA is densely packed as heterochromatin ...

How? Scientists are using ChIP and PCR to find out. To examine changes in histone modification during blood cell development in chickens, the investigators started with whole chromatin from ...

Histone post-translational modifications are covalent modifications of histones by phosphorylation on serine or threonine residues, methylation on lysine or arginine, acetylation and deacetylation ...