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DNA Repair: The reconstruction of a continuous two-stranded DNA molecule without mismatch from a molecule which contained damaged regions. The major repair mechanisms are excision repair, in which defective regions in one strand are excised and resynthesized using the complementary base pairing information in the intact strand; photoreactivation repair, in which the lethal and mutagenic effects of ultraviolet light are eliminated; and post-replication repair, in which the primary lesions are not repaired, but the gaps in one daughter duplex are filled in by incorporation of portions of the other (undamaged) daughter duplex. Excision repair and post-replication repair are sometimes referred to as "dark repair" because they do not require light.

Laser Microirradiation to Study In Vivo Cellular Responses to Simple and Complex DNA Damage

1Department of Biological Chemistry, School of Medicine, University of California, Irvine, 2Beckman Laser Institute and Medical Clinic, University of California, Irvine, 3Department of Developmental and Cell Biology, School of Biological Sciences, University of California, Irvine, 4Department of Biomedical Engineering and Surgery, University of California, Irvine

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JoVE 56213


 JoVE In-Press

Identifying DNA Mutations in Purified Hematopoietic Stem/Progenitor Cells

1Greehey Children's Cancer Research Institute, UT Health Science Center at San Antonio, 2Department of Cellular and Structural Biology, UT Health Science Center at San Antonio, 3Department of Pathology, UT Health Science Center at San Antonio, 4Department of Microbiology, UT Health Science Center at San Antonio, 5Cancer Therapy and Research Center, UT Health Science Center at San Antonio

JoVE 50752


 Immunology and Infection

Quantitative, Real-time Analysis of Base Excision Repair Activity in Cell Lysates Utilizing Lesion-specific Molecular Beacons

1Department of Pharmacology & Chemical Biology, University of Pittsburgh School of Medicine, 2Hillman Cancer Center, University of Pittsburgh Cancer Institute, 3Department of Experimental Therapy, The Netherlands Cancer Institute, 4Department of Human Genetics, University of Pittsburgh School of Public Health

JoVE 4168


 Biology

Chromatin Immunoprecipitation (ChIP) Protocol for Low-abundance Embryonic Samples

1Center for Molecular Medicine Cologne (CMMC), University of Cologne, 2Cologne Center for Genomics (CCG), University of Cologne, 3Cologne Excellence Cluster for Cellular Stress Responses in Aging-Associated Diseases (CECAD), Research Center and Systems Biology of Ageing Cologne, University of Cologne

JoVE 56186


 Genetics

Deficient Pms2, ERCC1, Ku86, CcOI in Field Defects During Progression to Colon Cancer

1Department of Cell Biology and Anatomy, College of Medicine, University of Arizona, Tucson, 2Southern Arizona Veterans Affairs Health Care System, Tucson, AZ, 3Department of Surgery, College of Medicine, University of Arizona, Tucson, 4Biomedical Diagnostics and Research, Tucson, AZ, 5Department of Medicine, College of Medicine, University of Arizona, Tucson

JoVE 1931


 Biology

Investigating the Detrimental Effects of Low Pressure Plasma Sterilization on the Survival of Bacillus subtilis Spores Using Live Cell Microscopy

1Department of Radiation Biology, Institute of Aerospace Medicine, Space Microbiology Research Group, German Aerospace Center (DLR e.V.), 2Institute of Electrical Engineering and Plasma Technology, Faculty of Electrical Engineering and Information Technology, Ruhr-University Bochum, 3Institute of Electrical Engineering and Plasma Technology, Faculty of Electrical Engineering and Information Technology, Biomedical Applications of Plasma Technology, Ruhr-University Bochum, 4Advanced Light and Electron Microscopy (ZBS 4), Robert Koch Institute

JoVE 56666


 Biology

Quantitation and Analysis of the Formation of HO-Endonuclease Stimulated Chromosomal Translocations by Single-Strand Annealing in Saccharomyces cerevisiae

1Irell & Manella Graduate School of Biological Sciences, 2Department of Molecular and Cellular Biology, City of Hope Comprehensive Cancer Center and Beckman Research Institute, 3Department of Biochemistry and Molecular Biology, University of Southern California, Norris Comprehensive Cancer Center

JoVE 3150


 Biology

Modified Terminal Restriction Fragment Analysis for Quantifying Telomere Length Using In-gel Hybridization

1Departments of Pathology and Infectious Diseases and Microbiology, University of Pittsburgh, 2University of Pittsburgh Cancer Institute, 3Department of Environmental and Occupational Health, University of Pittsburgh, 4Departments of Psychiatry, Psychology, Behavioral & Community Health Sciences, University of Pittsburgh

JoVE 56001


 Cancer Research

CRISPR/Cas9-Mediated Targeted Integration In Vivo Using a Homology-Mediated End Joining-Based Strategy

1Institute of Neuroscience, State Key Laboratory of Neuroscience, Key Laboratory of Primate Neurobiology, CAS Center for Excellence in Brain Science and Intelligence Technology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 2College of Life Sciences, University of Chinese Academy of Sciences, 3School of Life Science and Technology, Shanghai Tech University, 4Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences

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JoVE 56844


 JoVE In-Press

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