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Initiation of eukaryotic DNA replication: conservative or liberal?

Journal of cellular physiology (2000-06-27)
J A Bogan, D A Natale, M L Depamphilis
ABSTRACT

The mechanism for initiation of eukaryotic DNA replication is highly conserved: the proteins required to initiate replication, the sequence of events leading to initiation, and the regulation of initiation are remarkably similar throughout the eukaryotic kingdom. Nevertheless, there is a liberal attitude when it comes to selecting initiation sites. Differences appear to exist in the composition of replication origins and in the way proteins recognize these origins. In fact, some multicellular eukaryotes (the metazoans) can change the number and locations of initiation sites during animal development, revealing that selection of initiation sites depends on epigenetic as well as genetic parameters. Here we have attempted to summarize our understanding of this process, to identify the similarities and differences between single cell and multicellular eukaryotes, and to examine the extent to which origin recognition proteins and replication origins have been conserved among eukaryotes. Published 2000 Wiley-Liss, Inc.

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Anti-Geminin antibody, Mouse monoclonal, clone GEM-1, purified from hybridoma cell culture
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