Results 61 to 70 of about 634,910 (347)

Accessibility of promoter DNA is not the primary determinant of chromatin-mediated gene regulation [PDF]

open access: yes, 2019
DNA accessibility is thought to be of major importance in regulating gene expression. We test this hypothesis using a restriction enzyme as a probe of chromatin structure and as a proxy for transcription factors.
Chereji, Razvan V.   +4 more
core   +1 more source

Site-specific DNA transesterification catalyzed by a restriction enzyme [PDF]

open access: yesProceedings of the National Academy of Sciences, 2007
Most restriction endonucleases use Mg 2+ to hydrolyze phosphodiester bonds at specific DNA sites. We show here that BfiI, a metal-independent restriction enzyme from the phospholipase D superfamily, catalyzes both DNA hydrolysis and transesterification reactions at its recognition site.
Sasnauskas, G   +3 more
openaire   +3 more sources

4‐nitrobenzoate inhibits 4‐hydroxybenzoate polyprenyltransferase in malaria parasites and enhances atovaquone efficacy

open access: yesFEBS Letters, EarlyView.
Atovaquone is an antimalarial requiring potentiation for sufficient efficacy. We pursued strategies to enhance its activity, showing that 4‐nitrobenzoate inhibits 4‐hydroxybenzoate polyprenyltransferase, decreasing ubiquinone biosynthesis. Since atovaquone competes with ubiquinol in mitochondria, 4‐nitrobenzoate facilitates its action, potentiating ...
Ignasi Bofill Verdaguer   +7 more
wiley   +1 more source

Cytosine-to-Uracil Deamination by SssI DNA Methyltransferase [PDF]

open access: yes, 2013
The prokaryotic DNA(cytosine-5)methyltransferase M.SssI shares the specificity of eukaryotic DNA methyltransferases (CG) and is an important model and experimental tool in the study of eukaryotic DNA methylation.
A Beletskii   +47 more
core   +10 more sources

An alternative approach to study the enzymatic specificities of the CfrBI restriction–modification system

open access: yesHeliyon, 2019
Restriction–modification systems (RMS) are the main gene-engineering tools and a suitable model to study the molecular mechanisms of catalysis and DNA–protein interactions.
Marina V. Zakharova   +3 more
doaj   +1 more source

On the DNA cleavage mechanism of Type I restriction enzymes [PDF]

open access: yes, 2017
Although the DNA cleavage mechanism of Type I restriction-modification enzymes has been extensively studied, the mode of cleavage remains elusive. In this work, DNA ends produced by EcoKI, EcoAI and EcoR124I, members of the Type IA, IB and IC families ...
Bickle, Thomas A.   +4 more
core  

Linked dimers of the AAA+ ATPase Msp1 reveal energetic demands and mechanistic plasticity for substrate extraction from lipid bilayers

open access: yesFEBS Letters, EarlyView.
Cells must clear mislocalized or faulty proteins from membranes to survive. The AAA+ ATPase Msp1 performs this task, but dissecting how its six subunits work together is challenging. We engineered linked dimers with varied numbers of functional subunits to reveal how Msp1 subunits cooperate and use energy to extract proteins from the lipid bilayer ...
Deepika Gaur   +5 more
wiley   +1 more source

A new and versatile method for the successful conversion of AFLP-TM markers into simple single locus markers [PDF]

open access: yes, 2003
Genetic markers can efficiently be obtained by using amplified fragment length polymorphism (AFLP) fingerprinting because no prior information on DNA sequence is required.
Brugmans, B.W.   +4 more
core   +2 more sources

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Consecutive Cycles of Precise, Unidirectional 14-bp Deletions Using a BseRI/BsgI Trimming Plasmid

open access: yesBioTechniques, 1996
A straightforward method for generating precise, consecutive, unidirectional 14-bp deletions into cloned DNA, adopted from the trimming principle developed by Szybalski and his colleagues, is presented. The method utilizes pTRIM14, a plasm id constructed
Eric A. Ariazi, Michael N. Gould
doaj   +1 more source

Home - About - Disclaimer - Privacy