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Phys Rev Lett. 2012 Jun 29;108(26):268101. Epub 2012 Jun 29.

Inferring where and when replication initiates from genome-wide replication timing data.

Author information

  • 1Universit√© de Lyon, F-69000 Lyon, France, and Laboratoire de Physique, ENS de Lyon, CNRS, F-69007 Lyon, France.

Erratum in

  • Phys Rev Lett. 2012 Jul 20;109(3):039901.

Abstract

Based on an analogy between DNA replication and one dimensional nucleation-and-growth processes, various attempts to infer the local initiation rate I(x,t) of DNA replication origins from replication timing data have been developed in the framework of phase transition kinetics theories. These works have all used curve-fit strategies to estimate I(x,t) from genome-wide replication timing data. Here, we show how to invert analytically the Kolmogorov-Johnson-Mehl-Avrami model and extract I(x,t) directly. Tests on both simulated and experimental budding-yeast data confirm the location and firing-time distribution of replication origins.

PMID:
23005017
[PubMed - indexed for MEDLINE]
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