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Trends Biochem Sci. 1997 Nov;22(11):424-7.

The DNA polymerase alpha-primase complex couples DNA replication, cell-cycle progression and DNA-damage response.

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  • 1Dipartimento di Genetica e di Biologia dei Microrganismi, Universit√† degli Studi di Milano, Italy. foianim@imiucca.csi.unimi.it


The highly conserved DNA polymerase alpha-primase complex (pol-prism) is the only eukaryotic DNA polymerase that can initiate DNA synthesis de novo. It is required both for the initiation of DNA replication at chromosomal origins and for the discontinuous synthesis of Okazaki fragments on the lagging strand of the replication fork. The dual role of pol-prim makes it a likely target for mechanisms that control cell-cycle S-phase entry and progression.

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