Unzipping DNA - towards the first step of replication

Details Unzipping DNA - towards the first step of replication Unzipping DNA - towards the first step of replication

1999-12-16

arxiv.org/abs/cond-mat/9912297v1

Published version: J.Phys A 33,L423(2000); 33,9003(E)(2000)

Physics

Condensed Matter

Statistical Mechanics

4 pages, revtex, 2 eps figures

Scientific paper

10.1088/0305-4470/33/48/501

The opening of the Y-fork - the first step of DNA replication - is shown to be a critical phenomenon under an external force at one of its ends. From the results of an equivalent delocalization in a non-hermitian quantum-mechanics problem we show the different scaling behavior of unzipping and melting. The resultant long-range critical features within the unzipped part of Y might play a role in the highly correlated biochemical functions during replication.

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