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The initiation of bacterial chromosome DNA replication and its regulation are critical events. DnaA is essential for initiation of DNA replication and is conserved throughout bacteria. In Escherichia coli, hydrolysis of ATP-DnaA is promoted by Hda through formation of a ternary complex with DnaA and DnaN, ensuring the timely inactivation of DnaA during the(More)
We developed a modified ChIP-chip method, designated ChAP-chip (Chromatin Affinity Precipitation coupled with tiling chip). The binding sites of Bacillus subtilis Spo0J determined using this technique were consistent with previous findings. A DNA replication initiator protein, DnaA, formed stable complexes at eight intergenic regions on the B. subtilis(More)
The nucleoside triphosphate hydrolase of Toxoplasma gondii is a potent apyrase that is secreted into the parasitophorous vacuole where it appears to be essentially inactive in an oxidized form. Recent evidence shows that nucleoside triphosphate hydrolase can be activated by dithiothreitol in vivo. On reduction of the enzyme, there is a rapid depletion of(More)
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