2023
Chemiexcited Neurotransmitters and Hormones Create DNA Photoproducts in the Dark
Gonçalves L, Angelé-Martínez C, Premi S, Palmatier M, Prado F, Di Mascio P, Bastos E, Brash D. Chemiexcited Neurotransmitters and Hormones Create DNA Photoproducts in the Dark. ACS Chemical Biology 2023, 18: 484-493. PMID: 36775999, PMCID: PMC10276651, DOI: 10.1021/acschembio.2c00787.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDNADNA DamageHormonesMammalsMelaninsNeurotransmitter AgentsPeroxynitrous AcidPyrimidine DimersUltraviolet RaysConceptsSinglet molecular oxygenOxidation of serotoninMolecular oxygenElectron excitationTriplet stateAdjacent pyrimidine basesAbsence of lightEnergy transferDark processPyrimidine basesSkin pigment melaninBiochemical reactionsMoleculesEnergy levelsCatecholamine neurotransmittersBiomoleculesCycloadditionUltravioletMammalian metabolismCyclobutane pyrimidine dimersOxidationAminesPigment melaninRadicalsPeroxynitriteChemiexcitation: Mammalian Photochemistry in the Dark†
Brash D, Goncalves L. Chemiexcitation: Mammalian Photochemistry in the Dark†. Photochemistry And Photobiology 2023, 99: 251-276. PMID: 36681894, PMCID: PMC10065968, DOI: 10.1111/php.13781.Peer-Reviewed Original ResearchConceptsExcited statesMammalian cellsCyclobutane pyrimidine dimersEvolutionary selectionBond rearrangementUnoccupied orbitalsGround stateReaction productsPyrimidine dimersChemiexcitationRecent findingsBiologyPathogenic eventsRadicalsUltraviolet lightMoleculesDrug-induced deafnessPotential pathogenesisCellsMelaninAchilles heelMammalsBiomoleculesPhotochemistryDNA
1995
Intragenic Domains of Strand-specific Repair inEscherichia coli
Kunala S, Brash D. Intragenic Domains of Strand-specific Repair inEscherichia coli. Journal Of Molecular Biology 1995, 246: 264-272. PMID: 7869378, DOI: 10.1006/jmbi.1994.0082.Peer-Reviewed Original ResearchConceptsTranscription-repair coupling factorTranscription start siteStart siteEscherichia coli genesUV-induced cyclobutane pyrimidine dimersStrand-specific repairMfd mutationExcision repair mechanismChromatin domainsIntragenic domainsGenomic organizationMfd geneColi geneCyclobutane pyrimidine dimersLacZ transcriptionDNA repairInEscherichia coliDownstream domainIndividual nucleotidesRepair mechanismsGenesTranscriptionRepair systemDNA strandsInduced levels
1990
Rapid repair kinetics of pyrimidine(6–4)pyrimidone photoproducts in human cells are due to excision rather than conformational change
Mitchell D, Brash D, Nairn R. Rapid repair kinetics of pyrimidine(6–4)pyrimidone photoproducts in human cells are due to excision rather than conformational change. Nucleic Acids Research 1990, 18: 963-971. PMID: 2315046, PMCID: PMC330351, DOI: 10.1093/nar/18.4.963.Peer-Reviewed Original Research
1989
Ultraviolet photoproducts at the ochre suppressor mutation site in the gln U gene of Escherichia coli: Relevance to “mutation frequency decline”
Garvey N, Witkin E, Brash D. Ultraviolet photoproducts at the ochre suppressor mutation site in the gln U gene of Escherichia coli: Relevance to “mutation frequency decline”. Molecular Genetics And Genomics 1989, 219: 359-364. PMID: 2695824, DOI: 10.1007/bf00259607.Peer-Reviewed Original Research
1986
Substrate range of the 40,000-dalton DNA-photoreactivating enzyme from Escherichia coli.
Sutherland B, Oliveira O, Ciarrocchi G, Brash D, Haseltine W, Lewis R, Hanawalt P. Substrate range of the 40,000-dalton DNA-photoreactivating enzyme from Escherichia coli. Biochemistry 1986, 25: 681-7. PMID: 3513832, DOI: 10.1021/bi00351a026.Peer-Reviewed Original Research