Results 151 to 160 of about 11,225 (206)

Topo IV is required to allow replisomes to converge and complete replication on the chromosome. [PDF]

PLoS Genet
Mokhtari PD, Seyedjavadi T, Liyanaarachchi TA, Courcelle CT, Courcelle J.   +4 more
europepmc   +1 more source

DDM1 Maintains Heterochromatin by Regulating Histone Variants. [PDF]

Int J Mol Sci
Sun Y, Xie Q, Chu H, Lv B, Xie L, Zhang Q.   +5 more
europepmc   +1 more source

Feed-forward loops by NR5A2 ensure robust gene activation during pre-implantation development. [PDF]

Development
Kobayashi W, Ruangroengkulrith S, Arslantas EN, Mohanan A, Tachibana K.   +4 more
europepmc   +1 more source

Cryo-EM reveals open and closed Asgard chromatin assemblies

Ranawat HM, Cajili MK, Lopez-Barbosa N, Quail T, Dame RT, Dodonova SO.   +5 more
europepmc   +1 more source

Recognition and remodelling of nucleosomes and hexasomes by the human INO80 complex

Aggarwal P, Sharma M, Woike S, Kunert F, Moldt M, Hopfner K.   +5 more
europepmc   +1 more source

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Surface-Induced DNA Superhelicity

Biomacromolecules, 2000
Certain biopolymers, such as DNA, have a double-stranded twisted structure and frequently exhibit a supercoiled conformation. Over the past decade, extensive conformational analyses of different biopolymers have been performed using atomic force microscopy.
Y S, Velichko, K, Yoshikawa, A R, Khokhlov   +2 more
openaire   +2 more sources

Prokaryotic DNA Ligases Unwind Superhelical DNA

Biochemical and Biophysical Research Communications, 1996
We have studied the effect on DNA topology of binding of prokaryotic DNA ligases (T4 and E. coli) to superhelical or nicked circular DNA. Performing topoisomerase I-mediated relaxation in the presence of increasing amounts of T4 ligase led to a shift in the topoisomer distribution to increasingly more negative values.
M, Ivanchenko, K, van Holde, J, Zlatanova   +2 more
openaire   +2 more sources

Thermodynamic properties of superhelical DNAs

Biochemistry, 1975
Binding isotherms of ethidium to the superhelical DNA from phage PM2, and to PM2 DNA containing -1 single-chain scission per molecule, have been determined at six temperatures from 2.5 to 50 degrees, in 3M CsCl-0.01 M Na3EDTA. Spectrophotometric measurements in both the visible and ultraviolet (uv) regions were used to obtain the binding isotherms. The
T S, Hsieh, J C, Wang
openaire   +2 more sources

Internal Dynamics of Superhelical DNA

Physical Review Letters, 2008
We present the first data on the temporal kinetics of monomer mean square displacements in DNA circles with defined degrees of superhelicity. The segmental dynamics of specifically labeled DNA plasmids with superhelical densities between 0 and -0.016 was assessed by fluorescence correlation spectroscopy.
Roman, Shusterman, Tatyana, Gavrinyov, Oleg, Krichevsky   +2 more
openaire   +2 more sources

Circular dichroism of superhelical DNA

Biopolymers, 1971
AbstractThe circular dichroism (CD) spectra of a number of superhelical DNA's have been measured. The introduction of negative superhelical turns causes an increase in magnitude of the positive band around 280 mμ, while the trough around 250mμ is little affected.
M F, Maestre, J C, Wang
exaly   +3 more sources