Results 71 to 80 of about 121,527 (239)

A benzothiazolium salt fluorophore for topology-specific discrimination of non-B DNA structures

Results in Chemistry
Accurate detection of non-B DNA structures remains challenging yet critical for understanding their roles in gene regulation, genome stability, and disease mechanisms.
Yawen Hou, Ruofeng Xu, Yujiao Hou, Yida Du, Keyi Gao, Jianlei Shen, Bin Chen   +6 more
doaj   +1 more source

Importin 7 mediates the nuclear import of HIV‐1 integrase via a specific interacting interface

FEBS Open Bio, EarlyView.
HIV‐1 integrase enables viral DNA integration into the host genome. By binding to the core domain of the host protein Importin 7 via its C‐terminal domain, the integrase is transported across the nuclear membrane into the nucleus, where integration of the viral genome into host DNA takes place. This translocation is a critical step for subsequent viral
Juana Bana, Avigail Yariv, Tal Oppenheim, Hadar Amartely, Dana Reichmann, Oded Livnah   +5 more
wiley   +1 more source

Accurate and noninvasive prostate cancer detection using plasma‐derived extracellular vesicle RNA

FEBS Open Bio, EarlyView.
Plasma extracellular vesicles were captured with WGA‐conjugated magnetic beads and profiled for RNA biomarkers. A three‐RNA panel (NM_024955, NR_047469, and NR_002564) distinguished prostate cancer from healthy controls and benign prostatic hyperplasia, supporting a simple, noninvasive approach to improve prostate cancer detection.
Hanping Wei, Haoran Wu, Wei Feng
wiley   +1 more source

DNA Topology and Global Architecture of Point Centromeres

Cell Reports, 2015
DNA is wrapped in a left-handed fashion around histone octasomes containing the centromeric histone H3 variant CENP-A. However, DNA topology studies have suggested that DNA is wrapped in a right-handed manner around the CENP-A nucleosome that occupies ...
Ofelia Díaz-Ingelmo, Belén Martínez-García, Joana Segura, Antonio Valdés, Joaquim Roca   +4 more
doaj   +1 more source

Structural studies and functional engineering of NanX: an anhydro‐sialic acid transporter from Escherichia coli

FEBS Open Bio, EarlyView.
Biophysical characterisation shows that NanX, a membrane transport protein from the major facilitator superfamily (MFS), forms both monomers and dimers after purification. AlphaFold modelling and substrate docking provide information on residues likely involved in substrate recognition for NanX and another MFS member, NanT.
Michael C. Newton‐Vesty, Kelsi R. Hall, Zachary D. Tillett, Liam S. Turk, James S. Davies, Michael J. Currie, Hamish G. Brown, Sepideh Valimehr, Peter D. Mace, Andrew E. Whitten, Santosh Panjikar, Eric Hanssen, Rachel A. North, Renwick C.J. Dobson   +13 more
wiley   +1 more source

Preferential binding of hot spot mutant p53 proteins to supercoiled DNA in vitro and in cells.

PLoS ONE, 2013
Hot spot mutant p53 (mutp53) proteins exert oncogenic gain-of-function activities. Binding of mutp53 to DNA is assumed to be involved in mutp53-mediated repression or activation of several mutp53 target genes.
Marie Brázdová, Lucie Navrátilová, Vlastimil Tichý, Kateřina Němcová, Matej Lexa, Roman Hrstka, Petr Pečinka, Matej Adámik, Borivoj Vojtesek, Emil Paleček, Wolfgang Deppert, Miroslav Fojta   +11 more
doaj   +1 more source

Structural and biochemical insights into the thermostable esterase Ta0887 from Thermoplasma acidophilum

FEBS Open Bio, EarlyView.
In this study, a novel esterase from the thermoacidophilic archaeon Thermoplasma acidophilum was biochemically and structurally characterized. Our results demonstrate that Ta0887 is a highly thermostable esterase that preferentially hydrolyzes p‐nitrophenyl hexanoate and possesses an α‐helical cap domain that likely contributes to its substrate ...
Alejandro Delgado‐Rey, Miriam Livier Llamas‐García, Gabriela M. Montero‐Morán, Leticia Santos, Samuel Lara‐González   +4 more
wiley   +1 more source

Bacterial DNA topology and infectious disease [PDF]

Nucleic Acids Research, 2008
The gram-negative bacterium Escherichia coli and its close relative Salmonella enterica have made important contributions historically to our understanding of how bacteria control DNA supercoiling and of how supercoiling influences gene expression and vice versa.
Dorman, Charles J., Corcoran, Colin P.
openaire   +4 more sources

A minimal cellulosome‐like system in Cellulosilyticum lentocellum

FEBS Open Bio, EarlyView.
Cellulose‐degrading bacteria typically use cellulosomes, large multi‐enzyme complexes on a scaffold protein. In Cellulosilyticum lentocellum, we characterise a far smaller arrangement, a single scaffold bound to one cellulase through a single cohesin‐dockerin interaction.
John Allan, Amias Alstrom‐Moore, Gary W Black   +2 more
wiley   +1 more source

Retroviral intasomes search for a target DNA by 1D diffusion which rarely results in integration

Nature Communications, 2016
Retroviral Integration into the host DNA is a rare event with evidence suggesting that it relies on DNA topology and sequence. Here the authors present single molecule evidence that shows the retroviral integration machinery vigorously scans the target ...
Nathan D. Jones, Miguel A. Lopez Jr, Jeungphill Hanne, Mitchell B. Peake, Jong-Bong Lee, Richard Fishel, Kristine E. Yoder   +6 more
doaj   +1 more source