The nucleolus—a conspicuous but obscure organelle within the cell nucleus—is normally too compact to be studied in detail. Researchers at Case Western Reserve University just learned how to simplify ...

At most, 10 people in the world are known to have BPTA. Five of them participated in the current study, and they were found to share virtually the same mutation in the gene for the HMGB1 protein. It ...

This model of the nucleus with nucleolus (pink) shows how ribosomal DNA is correctly repaired in young cells. In old cells with enlarged nucleolus, however, DNA repair is inaccurate leading to faster ...

Inside the nucleus, seen here as a purple sphere, is a smaller purple sphere, the nucleolus, which is the most prominent membraneless organelle in our cells. Disclaimer: AAAS and EurekAlert! are not ...

Deep within the nucleus of every cell lies a structure smaller than a pinpoint that may hold the secret to aging. Scientists at Weill Cornell Medicine have discovered that the nucleolus, long known ...