Research results from University of Paris update knowledge of cell biology.

Life Science Weekly | July 29, 2008 | Copyright

"Background information. The nucleolus is a dynamic structure," investigators in Paris, France report (see also Cell Biology).

"It has been demonstrated that nucleolar proteins rapidly associate with and dissociate from nucleolar components in continuous exchanges with the nucleoplasm using GFP (green fluorescent protein)-tagged proteins. However, how the exchanges within one nucleolus and between nucleoli within the nuclear volume occurred is still poorly understood. The movement of PAGFP (photoactivatable GFP)-tagged proteins that become visible after ...

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