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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.

Repressing Gene Transcription by Redirecting Cellular Machinery with Chemical Epigenetic Modifiers

1Chemical Biology and Medicinal Chemistry, Center for Integrative Chemical Biology and Drug Discovery, Curriculum in Genetics and Molecular Biology, University of North Carolina, 2College of Arts and Sciences, Chemical Biology and Medicinal Chemistry, Center for Integrative Chemical Biology and Drug Discovery, University of North Carolina, 3Chemical Biology and Drug Discovery, Pharmacological Sciences and Oncological Sciences, Icahn School of Medicine at Mount Sinai, 4Chemical Biology and Medicinal Chemistry, Center for Integrative Chemical Biology and Drug Discovery, Curriculum in Genetics and Molecular Biology, Lineberger Comprehensive Cancer Center, University of North Carolina

JoVE 58222

 Bioengineering

Proofreading and DNA Repair Assay Using Single Nucleotide Extension and MALDI-TOF Mass Spectrometry Analysis

1Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, 2Department of Laboratory Medicine, National Taiwan University Hospital, 3Center for Microbial Pathogenesis, Nationwide Children's Hospital and the Department of Pediatrics, The Ohio State University

JoVE 57862

 Biochemistry

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

Sample Preparation for Mass Spectrometry-based Identification of RNA-binding Regions

1Epigenetics Institute, University of Pennsylvania Perelman School of Medicine, 2Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, 3Department of Biochemistry and Biophysics, University of Pennsylvania Perelman School of Medicine, 4Graduate Group in Biochemistry and Biophysics, University of Pennsylvania Perelman School of Medicine

JoVE 56004

 Biochemistry

Measurement of Survival Time in Brachionus Rotifers: Synchronization of Maternal Conditions

1Department of Aquatic Bioscience, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 2School of Marine Biosciences, Department of Marine Biosciences, Kitasato University, 3Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Marine Biological Laboratory, 4School of Arts and Sciences, University of Houston-Victoria

JoVE 54126

 Biology

Deacetylation Assays to Unravel the Interplay between Sirtuins (SIRT2) and Specific Protein-substrates

1Laboratory for Molecular Cancer Biology, Department of Radiation Oncology, Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University, 2Department of Radiation Oncology, Robert H. Lurie Comprehensive Cancer Center, Feinberg School of Medicine, Northwestern University

JoVE 53563

 Chemistry
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