Results 81 to 90 of about 41,285 (266)

High-resolution structure of a DNA helix containing mismatched base pairs

Nature, 1985
The concept of complementary base pairing, integral to the double-helical structure of DNA, provides an effective and elegant mechanism for the faithful transmission of genetic information. Implicit in this model, however, is the potential for incorporating non-complementary base pairs (mismatches) during replication or subsequently, for example ...
Brown, T, Kennard, O, Kneale, G, Rabinovich, D   +3 more
openaire   +3 more sources

Influence of Si Content and Milling Duration on the Microstructure and Mechanical–Tribological Properties of AlCoCrFeNiSi High‐Entropy Alloys

Advanced Engineering Materials, EarlyView.
Si‐doped AlCoCrFeNi high‐entropy alloys are synthesized by mechanical alloying to reveal the effect of Si content and milling time on phase evolution, microstructural refinement, and tribological behavior. A transition from FCC to BCC structure, significant grain refinement, and enhanced hardness and wear resistance are achieved, with the 4 at% Si ...
Mustafa Okumuş, Mehmet Emin Demir, Sercan Özpınar   +2 more
wiley   +1 more source

Effect of Single Mismatches at 3′–end of Primers on Polymerase Chain Reaction

Sultan Qaboos University Medical Journal, 2000
Objective and Method – To investigate the effect of three different mismatches (G/T, G/A or G/G) at the 3•– end of a primer to amplify a 268 bp (base pair) region of the human •–globin gene using different annealing temperatures (45 to 65•C).
Simsek M, Adnan H
doaj  

Unraveling mutagenic processes influencing the tumor mutational patterns of individuals with constitutional mismatch repair deficiency

Nature Communications
Constitutional mismatch repair deficiency (CMMRD), caused by bi-allelic germline variants in mismatch repair (MMR) genes, is associated with high cancer incidence early in life.
Dilys D. Weijers, Snežana Hinić, Emma Kroeze, Mark AJ Gorris, Gerty Schreibelt, Sjors Middelkamp, Arjen R. Mensenkamp, Reno Bladergroen, Kiek Verrijp, Nicoline Hoogerbrugge, Pieter Wesseling, Rachel S. van der Post, Jan LC Loeffen, Corrie EM Gidding, Mariëtte CA van Kouwen, I. Jolanda M. de Vries, Ruben van Boxtel, Richarda M. de Voer, Marjolijn CJ Jongmans, Roland P. Kuiper   +19 more
doaj   +1 more source

Refined crystal structure of an octanucleotide duplex with I.T. mismatched base pairs

Nucleic Acids Research, 1989
The structure of the synthetic deoxyoctamer d(GGIGCTCC) has been determined by single crystal X-ray diffraction techniques to a resolution of 1.7A. The sequence crystallises in space group P6(1), with unit cell dimensions a = b = 45.07, c = 45.49A.
Cruse, W, Aymani, J, Kennard, O, Brown, T, Jack, A, Leonard, G   +5 more
openaire   +3 more sources

Triple Junctions as Dislocation‐Like Defects: The Role of Grain Boundary Crystallography Revealed by Experiment and Atomistic Simulation

Advanced Engineering Materials, EarlyView.
Grain boundary triple junctions are an essential ingredient of the microstructure of polycrystalline materials. In this study, a triple junction is observed using atomic‐resolution scanning transmission electron microscopy and characterized. Computer simulations reveal that the junction has a dislocation character that is determined by the joining ...
Tobias Brink, Saba Saood, Peter Schweizer, Jörg Neugebauer, Gerhard Dehm   +4 more
wiley   +1 more source

Microstructure, Thermal Transport, and Dry‐Sliding Tribology of Powder‐Metallurgy Al7075 Composites Reinforced With Sol–Gel‐Derived ZnO–rGO Hybrid Nanoparticles

Advanced Engineering Materials, EarlyView.
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal, Cevher Kursat Macit, Merve Ayık, Hakan Tutumlu   +3 more
wiley   +1 more source

Muver, a computational framework for accurately calling accumulated mutations

BMC Genomics, 2018
Background Identification of mutations from next-generation sequencing data typically requires a balance between sensitivity and accuracy. This is particularly true of DNA insertions and deletions (indels), that can impart significant phenotypic ...
Adam B. Burkholder, Scott A. Lujan, Christopher A. Lavender, Sara A. Grimm, Thomas A. Kunkel, David C. Fargo   +5 more
doaj   +1 more source

Continuous Stiffness Graded Metal–Ceramic Femoral Stems: UMAT‐Based Design and Finite Element Assessment

Advanced Engineering Materials, EarlyView.
Functionally graded metal–ceramic femoral stems are engineered through continuous UMAT‐based stiffness tailoring, eliminating discrete material interfaces while enhancing biomechanical compatibility. Low‐index power‐law gradation optimizes load transfer, reduces stress shielding, and controls implant–bone micromotion, highlighting a materials‐design ...
Rihem Nouira, Sameh Elleuch, Hanen Jrad
wiley   +1 more source

High fidelity DNA ligation prevents single base insertions in the yeast genome

Nature Communications
Finalization of eukaryotic nuclear DNA replication relies on DNA ligase 1 (LIG1) to seal DNA nicks generated during Okazaki Fragment Maturation (OFM). Using a mutational reporter in Saccharomyces cerevisiae, we previously showed that mutation of the high-
Jessica S. Williams, Scott. A. Lujan, Mercedes E. Arana, Adam B. Burkholder, Percy P. Tumbale, R. Scott Williams, Thomas A. Kunkel   +6 more
doaj   +1 more source