Cyclization of short DNA fragments and bending fluctuations of the double helix.

Abstract

Cloutier and Widom [Cloutier, T. E. & Widom, J. (2004) Mol. Cell 14, 355-362] recently reported that the cyclization efficiency of short DNA fragments, about 100 bp in length, exceeds theoretical expectations by three orders of magnitude. In an effort to resolve this discrepancy, we tried modifying the theory. We investigated how the distribution of the… (More)

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