Replication: DNA building block synthesis on demand.
Correct regulation of DNA nucleotide biosynthesis is emerging as a key issue of importance for genome integrity. The fission yeast Spd1 protein can modulate the activity of ribonucleotide reductase (RNR) by at least three different mechanisms. Now a paper reports that Spd1 turnover is linked to ongoing DNA synthesis.
Holmberg C, Nielsen O