Unraveling DNA tori under tension

C. Battle; B. van den Broek; M.C. Noom; J. van Mameren; G.J.L. Wuite; F.C. Mac Kintosh

doi:10.1103/PhysRevE.80.031917

Unraveling DNA tori under tension

C. Battle, B. van den Broek, M.C. Noom, J. van Mameren, G.J.L. Wuite, F.C. Mac Kintosh

Physics of Living Systems

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Motivated by recent experiments, we develop a model for DNA toroids under external tension. We find that tori are the equilibrium states for our model up to a critical tension, above which they become only metastable. Above this tension, we find a cascade of transitions between discrete toroid states that successively lower the winding number, until the ground state (rod) is reached. In this process, this model predicts a nearly constant force plateau as a function of extension, in agreement with experiment. © 2009 The American Physical Society.

Original language	English
Journal	Physical Review E
DOIs	https://doi.org/10.1103/PhysRevE.80.031917
Publication status	Published - 2009

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title = "Unraveling DNA tori under tension",

abstract = "Motivated by recent experiments, we develop a model for DNA toroids under external tension. We find that tori are the equilibrium states for our model up to a critical tension, above which they become only metastable. Above this tension, we find a cascade of transitions between discrete toroid states that successively lower the winding number, until the ground state (rod) is reached. In this process, this model predicts a nearly constant force plateau as a function of extension, in agreement with experiment. {\textcopyright} 2009 The American Physical Society.",

author = "C. Battle and {van den Broek}, B. and M.C. Noom and {van Mameren}, J. and G.J.L. Wuite and {Mac Kintosh}, F.C.",

year = "2009",

doi = "10.1103/PhysRevE.80.031917",

language = "English",

journal = "Physical Review E",

issn = "1539-3755",

publisher = "American Physical Society",

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AU - Battle, C.

AU - van den Broek, B.

AU - Noom, M.C.

AU - van Mameren, J.

AU - Wuite, G.J.L.

AU - Mac Kintosh, F.C.

PY - 2009

Y1 - 2009

N2 - Motivated by recent experiments, we develop a model for DNA toroids under external tension. We find that tori are the equilibrium states for our model up to a critical tension, above which they become only metastable. Above this tension, we find a cascade of transitions between discrete toroid states that successively lower the winding number, until the ground state (rod) is reached. In this process, this model predicts a nearly constant force plateau as a function of extension, in agreement with experiment. © 2009 The American Physical Society.

AB - Motivated by recent experiments, we develop a model for DNA toroids under external tension. We find that tori are the equilibrium states for our model up to a critical tension, above which they become only metastable. Above this tension, we find a cascade of transitions between discrete toroid states that successively lower the winding number, until the ground state (rod) is reached. In this process, this model predicts a nearly constant force plateau as a function of extension, in agreement with experiment. © 2009 The American Physical Society.

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DO - 10.1103/PhysRevE.80.031917

M3 - Article

JO - Physical Review E

JF - Physical Review E

SN - 1539-3755

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