Literature DB >> 1066673

Linking numbers and nucleosomes.

F H Crick.   

Abstract

In considering supercoils formed by closed double-stranded molecules of DNA certain mathematical concepts, such as the linking number and the twist, are needed. The meaning of these for a closed ribbon is explained and also that of the writhing number of a closed curve. Some simple examples are given, some of which may be relevant to the structure of chromatin.

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Year:  1976        PMID： 1066673      PMCID： PMC430703          DOI： 10.1073/pnas.73.8.2639

Source DB:  PubMed          Journal:  Proc Natl Acad Sci U S A        ISSN： 0027-8424            Impact factor:   11.205


  10 in total

1.  The sense of naturally occurring superhelices and the unwinding angle of intercalated ethidium.

Authors:  D E Pulleyblank; A R Morgan
Journal:  J Mol Biol       Date:  1975-01-05       Impact factor: 5.469

2.  On the degree of unwinding of the DNA helix by ethidium. II. Studies by electron microscopy.

Authors:  L F Liu; J C Wang
Journal:  Biochim Biophys Acta       Date:  1975-07-23

3.  Action of nicking-closing enzyme on supercoiled and nonsupercoiled closed circular DNA: formation of a Boltzmann distribution of topological isomers.

Authors:  D E Pulleyblank; M Shure; D Tang; J Vinograd; H P Vosberg
Journal:  Proc Natl Acad Sci U S A       Date:  1975-11       Impact factor: 11.205

4.  Folding of the DNA double helix in chromatin-like structures from simian virus 40.

Authors:  J E Germond; B Hirt; P Oudet; M Gross-Bellark; P Chambon
Journal:  Proc Natl Acad Sci U S A       Date:  1975-05       Impact factor: 11.205

5.  Stepwise relaxation of supercoiled SV40 DNA.

Authors:  W Keller; I Wendel
Journal:  Cold Spring Harb Symp Quant Biol       Date:  1975

6.  Conformational fluctuations of DNA helix.

Authors:  D E Depew; J C Wang
Journal:  Proc Natl Acad Sci U S A       Date:  1975-11       Impact factor: 11.205

7.  Chromatin structure: deduced from a minichromosome.

Authors:  J D Griffith
Journal:  Science       Date:  1975-03-28       Impact factor: 47.728

8.  The degree of unwinding of the DNA helix by ethidium. I. Titration of twisted PM2 DNA molecules in alkaline cesium chloride density gradients.

Authors:  J C Wang
Journal:  J Mol Biol       Date:  1974-11-15       Impact factor: 5.469

9.  The writhing number of a space curve.

Authors:  F B Fuller
Journal:  Proc Natl Acad Sci U S A       Date:  1971-04       Impact factor: 11.205

10.  Determination of the number of superhelical turns in simian virus 40 DNA by gel electrophoresis.

Authors:  W Keller
Journal:  Proc Natl Acad Sci U S A       Date:  1975-12       Impact factor: 11.205
  10 in total
  58 in total

1.  A theoretical model for the prediction of sequence-dependent nucleosome thermodynamic stability.

Authors:  C Anselmi; G Bocchinfuso; P De Santis; M Savino; A Scipioni
Journal:  Biophys J       Date:  2000-08       Impact factor: 4.033

2.  Evidence that a plasmid from a hyperthermophilic archaebacterium is relaxed at physiological temperatures.

Authors:  F Charbonnier; G Erauso; T Barbeyron; D Prieur; P Forterre
Journal:  J Bacteriol       Date:  1992-10       Impact factor: 3.490

3.  Organization of DNA in chromatin.

Authors:  H M Sobell; C C Tsai; S G Gilbert; S C Jain; T D Sakore
Journal:  Proc Natl Acad Sci U S A       Date:  1976-09       Impact factor: 11.205

4.  Decomposition of the linking number of a closed ribbon: A problem from molecular biology.

Authors:  F B Fuller
Journal:  Proc Natl Acad Sci U S A       Date:  1978-08       Impact factor: 11.205

5.  Specific selection pressure at the third codon positions: contribution to 10- to 11-base periodicity in prokaryotic genomes.

Authors:  Amir B Cohanim; Edward N Trifonov; Yechezkel Kashi
Journal:  J Mol Evol       Date:  2006-07-28       Impact factor: 2.395

6.  A novel roll-and-slide mechanism of DNA folding in chromatin: implications for nucleosome positioning.

Authors:  Michael Y Tolstorukov; Andrew V Colasanti; David M McCandlish; Wilma K Olson; Victor B Zhurkin
Journal:  J Mol Biol       Date:  2007-05-24       Impact factor: 5.469

7.  Nucleosome assembly depends on the torsion in the DNA molecule: a magnetic tweezers study.

Authors:  Pooja Gupta; Jordanka Zlatanova; Miroslav Tomschik
Journal:  Biophys J       Date:  2009-12-16       Impact factor: 4.033

8.  Design and synthesis of the first triply twisted Möbius annulene.

Authors:  Gaston R Schaller; Filip Topić; Kari Rissanen; Yoshio Okamoto; Jun Shen; Rainer Herges
Journal:  Nat Chem       Date:  2014-05-25       Impact factor: 24.427

9.  Nucleosomes, linker DNA, and linker histone form a unique structural motif that directs the higher-order folding and compaction of chromatin.

Authors:  J Bednar; R A Horowitz; S A Grigoryev; L M Carruthers; J C Hansen; A J Koster; C L Woodcock
Journal:  Proc Natl Acad Sci U S A       Date:  1998-11-24       Impact factor: 11.205

10.  In vitro core particle and nucleosome assembly at physiological ionic strength.

Authors:  A Ruiz-Carrillo; J L Jorcano; G Eder; R Lurz
Journal:  Proc Natl Acad Sci U S A       Date:  1979-07       Impact factor: 11.205
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