Results 41 to 50 of about 149,629 (313)

Single-strand selective monofunctional uracil-DNA glycosylase (SMUG1) deficiency is linked to aggressive breast cancer and predicts response to adjuvant therapy [PDF]

open access: yes, 2013
Uracil in DNA is an important cause of mutagenesis. SMUG1 is a uracil DNA glycosylase that removes uracil through base excision repair. SMUG1 also processes radiation induced oxidative base damage as well as 5-fluorouracil incorporated into DNA during
Abdel-Fatah, TMA   +9 more
core   +1 more source

Quantum-сhemical analysis of geometric and energetic characteristics of hetero associates m9Ade•m1Ura in main tautomeric form

open access: yesБіологічні студії, 2015
For the first time, on the quantum-mechanical level of theory MP2/6-311++G(2df,pd)//B3LYP/6-311++G(d,p), a full set of hydrogen (H)-bonded hetero associates m9Ade·m1Ura in the main tautomeric forms consisting of 18 different structures was obtained ...
D. Plodnik, I. Voiteshenko, D. Hovorun
doaj   +1 more source

Ultraviolet relaxation dynamics in uracil: Time-resolved photoion yield studies using a laser-based thermal desorption source [PDF]

open access: yes, 2018
Wavelength-dependent measurements of the RNA base uracil, undertaken with nanosecond ultraviolet laser pulses, have previously identified a fragment at m/z = 84 (corresponding to the C3H4N2O+ ion) at excitation wavelengths ≤232 nm.
Bockova, Jana   +9 more
core   +2 more sources

A stoichiometric reaction scheme for Saccharothrix algeriensis growth and thiolutin production [PDF]

open access: yes, 2010
A new bacterial species, Saccharothrix algeriensis NRRL B-24137, was isolated in 1992 in the Sahara desert. This filamentous bacterium is able to produce dithiolopyrrolones, molecules presenting antibacterial, antifungal, and anticancer properties.
Brandam, Cédric   +3 more
core   +2 more sources

Uracil Accumulation and Mutagenesis Dominated by Cytosine Deamination in CpG Dinucleotides in Mice Lacking UNG and SMUG1

open access: yesScientific Reports, 2017
Both a DNA lesion and an intermediate for antibody maturation, uracil is primarily processed by base excision repair (BER), either initiated by uracil-DNA glycosylase (UNG) or by single-strand selective monofunctional uracil DNA glycosylase (SMUG1).
Lene Alsøe   +15 more
doaj   +1 more source

Pyrimidine Biosynthesis and Ribonucleoside Metabolism in Species of Pseudomonas

open access: yesFermentation, 2023
Pyrimidine biosynthesis and ribonucleoside metabolism in species of Pseudomonas was the focus of this review, in relation to their current taxonomic assignments in different homology groups.
Thomas P. West
doaj   +1 more source

Rewriting Human History and Empowering Indigenous Communities with Genome Editing Tools. [PDF]

open access: yes, 2020
Appropriate empirical-based evidence and detailed theoretical considerations should be used for evolutionary explanations of phenotypic variation observed in the field of human population genetics (especially Indigenous populations). Investigators within
Fox, Keolu   +2 more
core   +2 more sources

Comparative Study of the Gas-phase Cyclodimer Formations of Uracil and 6-azauracil in Excited State and Through Conical Intersections S0/S1

open access: yesActa Chimica Slovenica, 2018
The photocyclodimerization mechanisms of two oxo tautomers of uracil and 6-azauracil were studied at the CC2 level of theory and cc-pVDZ basis functions.
Pavlina Bogomilova Kancheva   +1 more
doaj   +1 more source

Synthesis of 5-substituted 2'-deoxyuridine-5'-phosphonate analogues and evaluation of their antiviral activity [PDF]

open access: yes, 2012
A small series of 5-(hetero)aryl-modified nucleoside phosphonates was synthesized via an 8-step procedure including a Wittig reaction and Suzuki-Miyaura coupling.
Balzarini, Jan   +4 more
core   +1 more source

Use of a molecular beacon based fluorescent method for assaying uracil DNA glycosylase (Ung) activity and inhibitor screening

open access: yesBiochemistry and Biophysics Reports, 2021
Uracil DNA glycosylases are an important class of enzymes that hydrolyze the N-glycosidic bond between the uracil base and the deoxyribose sugar to initiate uracil excision repair.
Avani Mehta   +4 more
doaj   +1 more source

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