Illustration of H2B or H3 tail-less nucleosomes. Nucleosomes lacking H2B and H3 tails exhibit weakened interactions between histone tails and nucleosomal DNA, leading to less stable nucleosome ...
This article was originally featured on Knowable Magazine. Every second, as we breathe, sleep, eat and go about our lives, millions of biochemical reactions are happening in our cells. Among the hurly ...
What is the histone code? Different chemical marks, such as acetylation, methylation, or phosphorylation, are made to numerous residues on the N-terminal tails of histone proteins. Some posit that ...
Modification of histone tails, by acetylation, methylation or phosphorylation, affects the local chromatin structure and the transcriptional regulation of adjacent genes. Pericentric heterochromatin ...
CAPTION: (Top) Condensins seem to act as a molecular crosslinkers to make loops. (Bottom, left) Condensins (red) locate around chromosome center. (Bottom, right) Nucleosomes around the periphery ...
Individual cells divide through a process called mitosis, during which the cell's copied DNA is separated between two resulting daughter cells. Despite recent advances in cell biology, the mechanism ...