To estimate replication initiation and completion timings, the increase of copy number at individual loci, as a function of time, was subjected to a regression fitting for a 3-piece linear or near-sigmoidal model as an approximation of the sigmoidal.
T0 and T100 indicate replication initiation timing and completion timing, respectively.
Ti0 and Ti100 are replication initiation timing and completion timing, respectively.
G1/S transition is one of the major cell cycle checkpoints [ 28], which is responsible for initiation and completion of DNA replication.
Eukaryotic cell proliferation is primarily regulated by cell cycle, wherein G1/S transition is a major checkpoint responsible for initiation and completion of DNA replication.
During AD progression, under continued stimuli of proliferation, neurons attempt to exit G0 and re-enter the cell cycle, as indicated by elevation of cell cycle markers and completion of DNA replication [ 5].
Cyclin A is needed for inactivation of E2f and completion of DNA replication and S-phase (Krek et al. 1995), suggesting that this target gene set may be indirectly regulated by E2f.
Initiation and completion of DNA replication has a major impact on chromatin (Khoudoli et al, 2008), but how core chromatin processes are cell cycle regulated in somatic cells remains poorly understood.
Assuming that the disappearance of replisome foci marks replication completion and that termination occurs most often in the 300 kb region flanked by the replication termination sites, terC and terA, completion of replication will normally be within 5 min of replication of ter3, if both forks are approaching the ter region simultaneously.
Intracellular pathogens have evolved numerous strategies to exit their host cells after completion of replication and growth and depletion of host cell nutrients (Hybiske and Stephens, 2008).
