Results 1 to 10 of about 16,097 (238)

UVA generates pyrimidine dimers in DNA directly. [PDF]

open access: yesBiophys J, 2009
There is increasing evidence that UVA radiation, which makes up approximately 95% of the solar UV light reaching the Earth's surface and is also commonly used for cosmetic purposes, is genotoxic. However, in contrast to UVC and UVB, the mechanisms by which UVA produces various DNA lesions are still unclear.
Jiang Y   +7 more
europepmc   +6 more sources

Formation of Cyclobutane Pyrimidine Dimers after UVA Exposure (Dark-CPDs) Is Inhibited by an Hydrophilic Extract of Polypodium leucotomos [PDF]

open access: yesAntioxidants, 2021
Exposure to sun and especially to ultraviolet radiation (UVR) exerts well known detrimental effects on skin which are implicated in malignancy. UVR induces production of cyclobutane pyrimidine dimers (CPDs), immediately during exposure and even hours ...
Mikel Portillo-Esnaola   +6 more
doaj   +2 more sources

Taq DNA polymerase blockage at pyrimidine dimers [PDF]

open access: yesNucleic Acids Research, 1996
Nucleic Acids Research, 24 (8)
Ralf Erik Wellinger, Fritz Thoma
exaly   +5 more sources

The mechanochemical activation of a pyrimidine dimer. [PDF]

open access: yesChem Sci
The mechanochemical activation of a cyclobutane-based mechanophore formed by pyrimidine photodimerization, revealing different reactivities of the individual isomers.
Gao X   +9 more
europepmc   +2 more sources

The compost metagenome as a source of T4 bacteriophage pyrimidine dimer glycosylase homologues [PDF]

open access: yesE3S Web of Conferences, 2021
Compost is a promising source of thermotolerant enzymes for their application in biotechnology. Homologues of bacteriophage T4 DNA glycosylase can find their application in pharmaceuticals and perfumery.
Karmanova Alexandra N.   +2 more
doaj   +1 more source

Events associated with DNA replication disruption are not observed in hydrogen peroxide-treated Escherichia coli

open access: yesG3: Genes, Genomes, Genetics, 2021
UV irradiation induces pyrimidine dimers that block polymerases and disrupt the replisome.
Chettar A Hoff   +5 more
doaj   +1 more source

Recombination between homologous chromosomes induced by unrepaired UV-generated DNA damage requires Mus81p and is suppressed by Mms2p. [PDF]

open access: yesPLoS Genetics, 2015
DNA lesions caused by UV radiation are highly recombinogenic. In wild-type cells, the recombinogenic effect of UV partially reflects the processing of UV-induced pyrimidine dimers into DNA gaps or breaks by the enzymes of the nucleotide excision repair ...
Yi Yin, Thomas D Petes
doaj   +1 more source

Perspectives on Cyclobutane Pyrimidine Dimers—Rise of the Dark Dimers [PDF]

open access: yesPhotochemistry and Photobiology, 2021
ABSTRACTSome early reports demonstrate that levels of cyclobutane pyrimidine dimers (CPD) may increase after UVR exposure had ended, although these observations were treated as artifacts. More recently, it has been shown unequivocally that CPD formation does occur post‐irradiation, with maximal levels occurring after about 2–3 h.
Karl P. Lawrence   +4 more
openaire   +3 more sources

7-Chloro-3-(4-methylbenzenesulfonyl)pyrrolo[1,2-c]pyrimidine

open access: yesIUCrData, 2020
In the title compound, C14H11ClN2O2S, the dihedral angle between the pyrrolo[1,2-c]pyrimidine ring system (r.m.s. deviation = 0.008 Å) and the benzene ring is 80.2 (9)°.
Easha Narayan   +4 more
doaj   +1 more source

2-Chloropyrimidin-4-amine

open access: yesActa Crystallographica Section E, 2012
In the title pyrimidine derivative, C4H4ClN3, the 2-chloro and 4-amino substituents almost lie in the mean plane of the pyrimidine ring, with deviations of 0.003 (1) Å for the Cl atom, and 0.020 (1) & ...
Gerard A. van Albada   +3 more
doaj   +1 more source

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