2024 Statistical mechanics of supercoiled dna

Statistical mechanics of supercoiled dna

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August undefined, 2024

WebJan 1, 2024 · The juxtaposition sites in positively supercoiled DNA are torsionally pinned that results in a slow protein diffusion on it, whereas the torsional behaviour of negatively supercoiled DNA... WebFeb 4, 2024 · We present a statistical-mechanical model for stretched twisted double-helix DNA, where thermal ... and ‘rebuckling’ in supercoiled DNA with a base-unpaired region. Comparing with experiments, we nd that under 1 pN force, a kinked end loop nucleated at a base-mismatched site reduces the

DNA supercoiling and its role in DNA decatenation and unknotting

WebStatistical mechanics of coil-hairpin transition in a single stranded DNA oligomer arXiv:cond-mat/0701368v1 [cond-mat.stat-mech] 16 Jan 2007 Sanjay Kumar, Debaprasad Giri† and Yashwant Singh Department of Physics, Banaras Hindu University, Varanasi 221 005, India, † Physics Section, MMV, Banaras Hindu University, Varanasi 221 005, India. WebWe review the current understanding of the mechanics of DNA and DNA-protein complexes, from scales of base pairs up to whole chromosomes. Mechanics of the double helix as revealed by single-molecule experiments will be described, with an emphasis on the role of polymer statistical mechanics. stewart pearman

Dynamics of the expanding DNA nucleoid released from a …

WebSep 1, 1995 · Stoichiometric incorporation of base substitutions at specific sites in supercoiled DNA and supercoiled recombination intermediates. Matovina M, Seah N, … WebJul 22, 1994 · Supercoil reorganization by means of slithering (reptation) of the DNA along the supercoil is argued to be a slow process. Extension of supercoiled DNA by an applied … WebIn addition to equilibrium supercoil structure, we discuss supercoil bending and branching and show how at large scales supercoiled DNA becomes a branched polymer. The … stewart patrick

Statistical mechanics of supercoiled DNA - NASA/ADS

WebModeling the Abrupt Buckling Transition in dsDNA During Supercoiling Journal of Computational and Nonlinear Dynamics 2016 … WebDNA base breathing in supercoiled DNA during atomistic MD simulations. At the lower torsional stress of ΔLkLk ≈ −1 (see Supplementary Data), however, the oxDNA simulations show that the average denaturation probability is reduced by a factor of 1.6 for each of the small circles (although intuitively a greater reduction might be expected ... stewart park middlesbrough opening timesWebStatistical mechanics of supercoiled DNA Statistical mechanics of supercoiled DNA Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1995 Sep;52 (3):2912-2938. doi: … stewart pdf 8 edition

"WebAug 31, 1995 · Statistical mechanics of supercoiled DNA. The conformation of long supercoiled DNA loops under near physiological conditions has been the subject of a long … " - Statistical mechanics of supercoiled dna

Statistical mechanics of supercoiled dna

WebJan 1, 2009 · Using established results for the the semiflexible polymer including the effect of torsional stress, and for the free energy of plectonemic supercoils, a theory of coexisting plectonemic and extended DNA is constructed and shown to … WebStatistical Mechanics of Simple Polymer Chain Models Entropic Elasticity: The DNA Force-Extension Relationship DNA Packaging and Wrapping Scattering from DNA in Solution …

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WebAug 1, 2024 · DNA supercoiling, the under or overwinding of DNA, is a key physical mechanism both participating to compaction of bacterial genomes and making genomic … WebMar 29, 1996 · Here, the elastic behavior of individual λ DNA molecules over- and underwound by up to 500 turns was studied. A sharp transition was discovered from a low …

WebSep 19, 2024 · DNA mechanics and transcription dynamics are intimately coupled. During transcription, the translocation of RNA polymerase overwinds the DNA ahead and …

WebVologodskii AV, Anshelevich VV, Lukashin AV, Frank-Kamenetskii MD. Statistical mechanics of supercoils and the torsional stiffness of the DNA double helix. Nature. 1979 Jul 26; 280 (5720):294–298. [Google ... Becherer K. DNA supercoiling and its effects on DNA structure and function. Cold Spring Harb Symp Quant Biol. 1983; 47 (Pt 1):85 ... WebDec 15, 1991 · Statistical mechanical theory for the plectonemic DNA supercoil Full Record Related Research Abstract The eigenfunctions for circular boundary conditions of the …

WebSep 1, 1995 · Statistical mechanics of supercoiled DNA J. F. Marko and E. D. Siggia Phys. Rev. E 52, 2912 – Published 1 September 1995 More PDF Export Citation Abstract The two strands of a closed circular DNA molecule possess as a topological invariant their linking …

WebDec 9, 2024 · These findings were published on November 16, 2024, in the article "DNA Supercoiling Drives a Transition between Collective Modes of Gene Synthesis," in the journal Physical Review Letters. During ... stewart pearman fraud chargesWebOct 1, 1997 · Large-scale structure and dynamics of supercoiled DNA Supercoiled circular DNAs ('plasmids') are ubiquitous in bacterial and other prokary- ote cells [1,17], and in … stewart penny garden servicesWebDec 31, 1996 · Statistical mechanics of supercoiled DNA Full Record Related Research Abstract The conformation of long supercoiled DNA loops under near physiological … stewart pecansWebStatistical Mechanics of Supercoiled DNA. In: Mesirov, J.P., Schulten, K., Sumners, D.W. (eds) Mathematical Approaches to Biomolecular Structure and Dynamics. The IMA … stewart perry fieldfisherWebDec 21, 2009 · Negative supercoiling has an important biological function of facilitating local- and global-strand separation of DNA molecules such as these occurring during transcription and replication, respectively (7– 9).Figure 2 explains why this is the case. Strand separation relaxes the torsional stress in negatively supercoiled DNA ().Therefore, … stewart pearce youtubeWebStatistical Mechanics of Supercoiled DNA: The IMA Volumes in Mathematics and Its Application. In J. P. Mesirov, K. Schulten, & D. W. Sumners (Eds.), Mathematical … stewart pearson footballerWebSiggia, ED & Marko, JF 1996, Statistical Mechanics of Supercoiled DNA: The IMA Volumes in Mathematics and Its Application. in JP Mesirov, K Schulten & DW Sumners (eds), Mathematical Approaches to Biomolecular Structure and Dynamics: The IMA Volumes in Mathematics and Its Application. Springer, New York, pp. 115-6. stewart pediatric therapy paragould ar