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DNA replication fading as proliferating cells advance in their commitment to terminal differentiation

AuthorsMonturus, Estefanía; Ganier, Olivier; Hernandez, Pablo ; Schvartzman, Jorge Bernardo ; Mechali, Marcel; Krimer, Dora B.
Issue Date20-Feb-2012
PublisherNature Publishing Group
CitationScientific Reports 2: 279 (2012)
AbstractTerminal differentiation is the process by which cycling cells stop proliferating to start new specific functions. It involves dramatic changes in chromatin organization as well as gene expression. In the present report we used cell flow cytometry and genome wide DNA combing to investigate DNA replication during murine erythroleukemia-induced terminal cell differentiation. The results obtained indicated that the rate of replication fork movement slows down and the inter-origin distance becomes shorter during the precommitment and commitment periods before cells stop proliferating and accumulate in G1. We propose this is a general feature caused by the progressive heterochromatinization that characterizes terminal cell differentiation.
Description8 p.-4 fig.
Publisher version (URL)http://dx.doi.org/10.1038/srep00279
Appears in Collections:(CIB) Artículos
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