V V Rybenkov
Overview
Explore the profile of V V Rybenkov including associated specialties, affiliations and a list of published articles.
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Articles
9
Citations
592
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Recent Articles
1.
Dekker N, Rybenkov V, Duguet M, Crisona N, Cozzarelli N, Bensimon D, et al.
Proc Natl Acad Sci U S A
. 2002 Aug;
99(19):12126-31.
PMID: 12167668
The topology of cellular DNA is carefully controlled by enzymes called topoisomerases. By using single-molecule techniques, we monitored the activity of two type IA topoisomerases in real time under conditions...
2.
Vologodskii A, Zhang W, Rybenkov V, Podtelezhnikov A, Subramanian D, Griffith J, et al.
Proc Natl Acad Sci U S A
. 2001 Mar;
98(6):3045-9.
PMID: 11248029
Type II DNA topoisomerases actively reduce the fractions of knotted and catenated circular DNA below thermodynamic equilibrium values. To explain this surprising finding, we designed a model in which topoisomerases...
3.
Kimura K, Rybenkov V, Crisona N, Hirano T, Cozzarelli N
Cell
. 1999 Jul;
98(2):239-48.
PMID: 10428035
Xenopus 13S condensin converts interphase chromatin into mitotic-like chromosomes, and, in the presence of ATP and a type I topoisomerase, introduces (+) supercoils into DNA. The specific production of (+)...
4.
Rybenkov V, Ullsperger C, Vologodskii A, Cozzarelli N
Science
. 1997 Aug;
277(5326):690-3.
PMID: 9235892
Type II DNA topoisomerases catalyze the interconversion of DNA topoisomers by transporting one DNA segment through another. The steady-state fraction of knotted or catenated DNA molecules produced by prokaryotic and...
5.
Rybenkov V, Vologodskii A, Cozzarelli N
Nucleic Acids Res
. 1997 Apr;
25(7):1412-8.
PMID: 9060437
We determined the free energy of DNA supercoiling as a function of the concentration of magnesium and sodium chloride in solution by measuring the variance of the equilibrium distribution of...
6.
Rybenkov V, Vologodskii A, Cozzarelli N
J Mol Biol
. 1997 Mar;
267(2):312-23.
PMID: 9096228
We studied the equilibrium formation of DNA catenanes to assess the conformational properties of supercoiled DNA as a function of ionic conditions and supercoiling density. Catenanes were formed by cyclizing...
7.
Rybenkov V, Vologodskii A, Cozzarelli N
J Mol Biol
. 1997 Mar;
267(2):299-311.
PMID: 9096227
We studied the conformations of supercoiled DNA as a function of superhelicity and ionic conditions by determining its sedimentation coefficient both experimentally and by calculation. To cancel out unknown parameters...
8.
Rybenkov V, Cozzarelli N, Vologodskii A
Proc Natl Acad Sci U S A
. 1993 Jun;
90(11):5307-11.
PMID: 8506378
During the random cyclization of long polymer chains, knots of different types are formed. We investigated experimentally the distribution of knot types produced by random cyclization of phage P4 DNA...
9.
Rybenkov V, Vologodskii A
Mol Biol (Mosk)
. 1992 Nov;
26(6):1433-9.
PMID: 1491684
Different methods of determination of effective diameter of DNA double helix under different ionic conditions in solution are reviewed. This value is a characteristic of excluded volume effects in DNA...