SGD Paper 
Yahyaoui W, et al. (2007) Deletion of the cruciform binding domain in CBP/14-3-3 displays reduced origin binding and initiation of DNA replication in budding yeast. BMC Mol Biol 8():27
Abstract: ABSTRACT: BACKGROUND: Initiation of eukaryotic DNA replication involves many protein-protein and protein-DNA interactions. We have previously shown that 14-3-3 proteins bind cruciform DNA and associate with mammalian and yeast replication origins in a cell cycle dependent manner. RESULTS: By expressing the human 14-3-3epsilon as the sole member of 14-3-3 proteins family in Saccharomyces cerevisiae, we show that 14-3-3epsilon complements the S. cerevisiae Bmh1/Bmh2 double knockout, conserves its cruciform binding activity, and associates in vivo with the yeast replication origins ARS307. Deletion of the alpha5-helix, the potential cruciform binding domain of 14-3-3, decreased the cruciform binding activity of the protein as well as its association with the yeast replication origins ARS307 and ARS1. Furthermore, the mutant cells had a reduced ability to stably maintain plasmids bearing one or multiple origins. CONCLUSION: 14-3-3, a cruciform DNA binding protein, associates with yeast origins of replication and functions as an initiator of DNA replication, presumably through binding to cruciform DNA forming at yeast replicators.
| Status: Published | Type: Journal Article | PubMed ID: 17430600 |
Topics addressed in this paper
Number of different genes curated to this paper: 4
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