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Zhou, H; Zhang, Y; Ou-Yang, ZC; Ou-Yang, ZC , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Elastic theories of single DNA molecules
Source PublicationPHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
KeywordDouble-stranded Dna Supercoiled Dna Double-helix Polymerase Mechanics
AbstractWe study the elastic responses of double- (ds) and single-stranded (ss) DNA at external force fields. A double-strand-polymer elastic model is constructed and solved by path integral methods and Monte Carlo simulations to understand dsDNA entropic elasticity, cooperative extensibility, and supercoiling property. The good agreement with experiments indicates that short-ranged base-pair stacking interaction is crucial for the stability and the high deformability of dsDNA. Hairpin-coil transition in ssDNA is studied with generating function method. A threshold force is needed to pull the ssDNA hairpin patterns, stabilised by base pairing and base-pair stacking, into random coils. This phase transition is predicted to be of first order for stacking potential higher than some critical level, in accordance with observations. (C) 2002 Elsevier Science B.V. All rights reserved.
2002
ISSN0378-4371
Volume306Issue:40912Pages:359-367
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13553
Collection理论物理所科研产出_SCI论文
Corresponding AuthorOu-Yang, ZC , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Zhou, H,Zhang, Y,Ou-Yang, ZC,et al. Elastic theories of single DNA molecules[J]. PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS,2002,306(40912):359-367.
APA Zhou, H,Zhang, Y,Ou-Yang, ZC,&Ou-Yang, ZC , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2002).Elastic theories of single DNA molecules.PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS,306(40912),359-367.
MLA Zhou, H,et al."Elastic theories of single DNA molecules".PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS 306.40912(2002):359-367.
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