Please use this identifier to cite or link to this item: http://buratest.brunel.ac.uk/handle/2438/11815
Title: Resetting a functional G1 nucleus after mitosis
Authors: De Castro, IJ
Gokhan, E
Vagnarelli, P
Keywords: Phosphatases;Mitotic exit;Chromatin;Nuclear envelope;Cell division
Issue Date: 2016
Publisher: Springer Verlag
Citation: Chromosoma, pp 1-13, (2016)
Abstract: The maintenance of the correct cellular information goes beyond the simple transmission of an intact genetic code from one generation to the next. Epigenetic changes, topological cues and correct protein-protein interactions need to be re-established after each cell division to allow the next cell cycle to resume in the correct regulated manner. This process begins with mitotic exit and re-sets all the changes that occurred during mitosis thus restoring a functional G1 nucleus in preparation for the next cell cycle. Mitotic exit is triggered by inactivation of mitotic kinases and the reversal of their phosphorylation activities on many cellular components, from nuclear lamina to transcription factors and chromatin itself. To reverse all these phosphorylations, phosphatases act during mitotic exit in a timely and spatially controlled manner directing the events that lead to a functional G1 nucleus. In this review, we will summarise the recent developments on the control of phosphatases and their known substrates during mitotic exit, and the key steps that control the restoration of chromatin status, nuclear envelope reassembly and nuclear body re-organisation. Although pivotal work has been conducted in this area in yeast, due to differences between the mitotic exit network between yeast and vertebrates, we will mainly concentrate on the vertebrate system.
URI: http://link.springer.com/article/10.1007%2Fs00412-015-0561-6
http://bura.brunel.ac.uk/handle/2438/11815
DOI: http://dx.doi.org/10.1007/s00412-015-0561-6
ISSN: 0009-5915
1432-0886
Appears in Collections:Dept of Life Sciences Research Papers

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