Publications by authors named "O S Gildemeister"
A search for diphoton events with large missing transverse energy is presented. The data were collected with the ATLAS detector in proton-proton collisions at √s=7 TeV at the CERN Large Hadron Collider and correspond to an integrated luminosity of 3.1 pb⁻¹.
View Article and Find Full Text PDFBy using the ATLAS detector, observations have been made of a centrality-dependent dijet asymmetry in the collisions of lead ions at the Large Hadron Collider. In a sample of lead-lead events with a per-nucleon center of mass energy of 2.76 TeV, selected with a minimum bias trigger, jets are reconstructed in fine-grained, longitudinally segmented electromagnetic and hadronic calorimeters.
View Article and Find Full Text PDFA search for new heavy particles manifested as resonances in two-jet final states is presented. The data were produced in 7 TeV proton-proton collisions by the LHC and correspond to an integrated luminosity of 315 nb⁻¹ collected by the ATLAS detector. No resonances were observed.
View Article and Find Full Text PDFArticle Synopsis
- Homologous recombination (HR) is crucial for DNA repair and replication fork progression, primarily involving Rad51 in eukaryotes.
- Recent findings show that Rad51 and related HR proteins like Rad51C and Xrcc3 are present in human mitochondria, highlighting their role in interacting with mitochondrial DNA (mtDNA).
- Depletion of these HR proteins leads to a significant reduction in mtDNA copy numbers and inhibits stress-induced mtDNA replication, indicating their vital function in maintaining the mitochondrial genome.
Article Synopsis
- Cells exposed to DNA-damaging agents show a quick rise in subnuclear complexes with Rad51, suggesting a key role in DNA repair.
- This study found significant increases in nuclear Rad51 levels in HeLa and HCT116 cells after exposure to ionizing radiation.
- Rad51C, which has a nuclear localization signal, appears to facilitate Rad51's transport into the nucleus, as depleting Rad51C led to reduced levels of nuclear Rad51 following DNA damage.