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Homologous Recombination: An exchange of DNA between matching or similar sequences.

Genetic Engineering of an Unconventional Yeast for Renewable Biofuel and Biochemical Production

1Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, 2NUS Synthetic Biology for Clinical and Technological Innovation (SynCTI), Life Sciences Institute, National University of Singapore, 3Food Science and Chemical Engineering, Singapore Institute of Technology

JoVE 54371


 Genetics

Genetic Manipulation of the Plant Pathogen Ustilago maydis to Study Fungal Biology and Plant Microbe Interactions

1Institute for Microbiology, Heinrich-Heine University Düsseldorf, 2Bioeconomy Science Center (BioSC), 3Department of Genetics, Institute of Applied Biosciences, Karlsruhe Institute of Technology, 4Cluster of Excellence in Plant Sciences (CEPLAS), Heinrich-Heine University Düsseldorf

JoVE 54522


 Genetics

A Simple and Efficient Approach to Construct Mutant Vaccinia Virus Vectors

1Center for Molecular Oncology, Barts Cancer Institute, Queen Mary University of London, 2Sino-British Research Centre for Molecular Oncology, National Center for International Research in Cell and Gene Therapy, Zhengzhou University, 3School of Basic Medical Sciences, Academy of Medical Sciences, Zhengzhou University

JoVE 54171


 Immunology and Infection

Efficient Generation of hiPSC Neural Lineage Specific Knockin Reporters Using the CRISPR/Cas9 and Cas9 Double Nickase System

1Department of Neurosurgery, The University of Texas Health Science Center at Houston, 2Center for Stem Cell and Regenerative Medicine, Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston, 3The Senator Lloyd & B. A. Bentsen Center for Stroke Research, Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston, 4Summer Research Program, Office of Educational Programs, The University of Texas Health Science Center at Houston, 5Department of Anesthesiology, Shengjing Hospital, China Medical University, 6Department of Oncology, Renji Hospital, Shanghai Jiaotong University School of Medicine, 7Biology Department, University of West Georgia

JoVE 52539


 Developmental Biology

Generation of a Gene-disrupted Streptococcus mutans Strain Without Gene Cloning

1Department of Translational Research, Tsurumi University School of Dental Medicine, 2Endowed Department of International Oral Health Science (affiliated with Department of Translational Research), Tsurumi University School of Dental Medicine, 3Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University

JoVE 56319


 Genetics

Structure-function Studies in Mouse Embryonic Stem Cells Using Recombinase-mediated Cassette Exchange

1Department of Biomedical Molecular Biology, Ghent University, 2Inflammation Research Center, VIB, 3Center for Medical Genetics, Ghent University Hospital, 4Cancer Research Institute Ghent (CRIG), 5Department of Basic Medical Sciences, Faculty of Medicine and Health Sciences, Ghent University, 6Helmholtz Center for Infection Research, 7Mammalian Functional Genetics Laboratory, Division of Blood Cancers, Australian Centre for Blood Diseases, Department of Clinical Haematology, Monash University and Alfred Health Alfred Centre

JoVE 55575


 Developmental 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

Modeling Astrocytoma Pathogenesis In Vitro and In Vivo Using Cortical Astrocytes or Neural Stem Cells from Conditional, Genetically Engineered Mice

1Department of Pathology and Laboratory Medicine, University of North Carolina School of Medicine, 2Lineberger Comprehensive Cancer Center, University of North Carolina School of Medicine, 3Division of Neuropathology, Department of Pathology and Laboratory Medicine, University of North Carolina School of Medicine, 4Curriculum in Genetics and Molecular Biology, University of North Carolina School of Medicine, 5Biological and Biomedical Sciences Program, University of North Carolina School of Medicine, 6Department of Radiation Oncology, Emory University School of Medicine, 7Department of Neurology, Neurosciences Center, University of North Carolina School of Medicine

JoVE 51763


 Neuroscience

Recombineering and Gene Targeting

JoVE 5553

One of the most widely used tools in modern biology is molecular cloning with restriction enzymes, which create compatible ends between DNA fragments that allow them to be joined together. However, this technique has certain restrictions that limit its applicability for large or complex DNA construct generation. A newer technique that addresses some of these shortcomings is recombineering, which modifies DNA using homologous recombination (HR), the exchange between different DNA molecules based on stretches of similar or identical sequences. Together with gene targeting, which takes advantage of endogenous HR to alter an organism’s genome at a specific loci, HR-based cloning techniques have greatly improved the speed and efficacy of high-throughput genetic engineering.In this video, we introduce the principles of HR, as well as the basic components required to perform a recombineering experiment, including recombination-competent organisms and genomic libraries such as bacterial artificial chromosomes (BAC). We then walk through a protocol that uses recombineering to generate a gene-targeting vector that can ultimately be transfected into embryonic stem cells to generate a transgenic animal. Finally, several applications that highlight the utility and variety of recombineering techniques wi


 Genetics

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

Video Coming Soon

JoVE 56213


 JoVE In-Press

A Behavioral Assay for Mechanosensation of MARCM-based Clones in Drosophila melanogaster

1Department of Biology, College of the Holy Cross, 2School of Medicine, Georgetown University, 3Department of Biochemistry, Giesel School of Medicine, Dartmouth College, 4School of Medicine, Tufts University, 5Transgenomic Inc., 6Department of Molecular, Cell and Cancer Biology, UMass Medical School

JoVE 53537


 Neuroscience

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