IN recent years striking discoveries have been made regarding the origin and history of the nucleolus. It has como to be recognized that in every cell of a plant or animal species there is at ...

The secret to cellular youth may depend on keeping the nucleolus—a condensed structure inside the nucleus of a cell—small, ...

The nucleolus is primarily known as the site of ... are repressed in these compartments is critical not just for basic biology but also for understanding diseases where gene repression goes ...

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 ...