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Genetic Engineering: Directed modification of the gene complement of a living organism by such techniques as altering the DNA, substituting genetic material by means of a virus, transplanting whole nuclei, transplanting cell hybrids, etc.

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

An Overview of Genetic Engineering

JoVE 5552

Genetic engineering – the process of purposefully altering an organism’s DNA – has been used to create powerful research tools and model organisms, and has also seen many agricultural applications. However, in order to engineer traits to tackle complex agricultural problems such as stress tolerance, or to realize the promise of gene therapy for treating human diseases, further advances in the field are still needed. Important considerations include the safe and efficient delivery of genetic constructs into cells or organisms, and the establishment of the desired modification in an organism’s genome with the least “off-target” effects. JoVE’s Overview of Genetic Engineering will present a history of the field, highlighting the discoveries that confirmed DNA as the genetic material and led to the development of tools to modify DNA. Key questions that must be answered in order to improve the process of genetic engineering will then be introduced, along with various tools used by genetic engineers. Finally, we will survey several applications demonstrating the types of experimental questions and strategies in the field today.


 Genetics

Genetic Engineering of Model Organisms

JoVE 5327

Transgenesis, or the use of genetic engineering to alter gene expression, is widely used in the field of developmental biology. Scientists use a number of approaches to alter the function of genes to understand their roles in developmental processes. This includes replacement of a gene with a nonfunctional copy, or adding a visualizable tag to a gene that allows the resultant fusion protein to be tracked throughout development. In this video, the viewers will learn about the principles behind transgenesis, as well as the basic steps for introducing genetic constructs into an animal and targeting genes of interest. This is followed by the discussion of a protocol to create knockout mice. Lastly, some specific applications of transgenic technologies in the field of developmental biology will be reviewed.


 Developmental Biology

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

Using Synthetic Biology to Engineer Living Cells That Interface with Programmable Materials

1Department of Mechanical Engineering, Carnegie Mellon University, 2Engineering Science and Mechanics Program, Virginia Polytechnic Institute and State University, 3Department of Biological Systems Engineering, Virginia Polytechnic Institute and State University, 4Department of Bioengineering, University of Pittsburgh

JoVE 55300


 Bioengineering

Preparation and In Vitro Characterization of Magnetized miR-modified Endothelial Cells

1Reference and Translation Center for Cardiac Stem Cell Therapy (RTC), Department of Cardiac Surgery, University of Rostock, 2Physikalisch-Technische Bundesanstalt, 3Department of Radiology and Neuroradiology, Ernst-Moritz-Arndt-University Greifswald, 4Electron Microscopy Center, University of Rostock

JoVE 55567


 Medicine

Protocols for Implementing an Escherichia coli Based TX-TL Cell-Free Expression System for Synthetic Biology

1Department of Biology, California Institute of Technology, 2Department of Bioengineering, California Institute of Technology, 3Synthetic Biology Center, Department of Bioengineering, Massachusetts Institute of Technology, 4School of Physics and Astronomy, University of Minnesota

JoVE 50762


 Biology

The C. elegans Excretory Canal as a Model for Intracellular Lumen Morphogenesis and In Vivo Polarized Membrane Biogenesis in a Single Cell: labeling by GFP-fusions, RNAi Interaction Screen and Imaging

1Mucosal Immunology and Biology Research Center, Developmental Biology and Genetics Core, Massachusetts General Hospital for Children, Harvard Medical School, 2College of Life Sciences, Jilin University, 3Faculty of Health Sciences, University of Macau

JoVE 56101


 Developmental Biology

Quantification of Information Encoded by Gene Expression Levels During Lifespan Modulation Under Broad-range Dietary Restriction in C. elegans

1Centre for Developmental Neurobiology, King's College London, 2Interdisciplinary Bioengineering Graduate Program, Georgia Institute of Technology, 3Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, 4School of Chemical & Biomolecular Engineering, Georgia Institute of Technology

JoVE 56292


 Genetics

Techniques for the Evolution of Robust Pentose-fermenting Yeast for Bioconversion of Lignocellulose to Ethanol

1Bioenergy Research Unit, National Center for Agricultural Utilization Research, 2Mycotoxin Prevention and Applied Microbiology Research Unit, National Center for Agricultural Utilization Research, 3Chemical Engineering and Material Science, Great Lakes Bioenergy Center, Michigan State University

JoVE 54227


 Bioengineering

Removal of Exogenous Materials from the Outer Portion of Frozen Cores to Investigate the Ancient Biological Communities Harbored Inside

1Biogeochemical Sciences Branch, Cold Regions Research and Engineering Laboratory, US Army Engineer Research & Development Center, Hanover, NH, 2Environmental Processes Branch, Environmental Laboratory, US Army Engineer Research & Development Center, Vicksburg, MS, 3Terrestrial and Cryospheric Scienes Branch, Cold Regions Research and Engineering Laboratory, US Army Engineer Research & Development Center, Hanover, NH, 4Biogeochemical Sciences Branch, Cold Regions Research and Engineering Laboratory, US Army Engineer Research & Development Center, Fairbanks, AK

JoVE 54091


 Biology

Reprogramming Primary Amniotic Fluid and Membrane Cells to Pluripotency in Xeno-free Conditions

1Mitchell Cancer Institute, University of South Alabama, 2College of Medicine, University of South Alabama, 3Institute for Regenerative Medicine, University of Zurich, 4Department of Dermatology, University Hospital Zurich, 5Center for Applied Biotechnology and Molecular Medicine (CABMM), University of Zurich - Irchel Campus

Video Coming Soon

JoVE 56003


 JoVE In-Press

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

The Arteriovenous (AV) Loop in a Small Animal Model to Study Angiogenesis and Vascularized Tissue Engineering

1Department of Plastic and Hand Surgery and Laboratory for Tissue Engineering and Regenerative Medicine, University Hospital of Erlangen, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), 2Genetic Engineering and Biotechnology Institute for Postgraduate Studies, Baghdad University, 3Department of Plastic, Hand and Microsurgery, Sana Klinikum Hof GmbH

JoVE 54676


 Bioengineering

Anatomically Inspired Three-dimensional Micro-tissue Engineered Neural Networks for Nervous System Reconstruction, Modulation, and Modeling

1Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, 2Center for Brain Injury & Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, 3Center for Neurotrauma, Neurodegeneration & Restoration, Michael J. Crescenz Veterans Affairs Medical Center, 4School of Biomedical Engineering, Drexel University

JoVE 55609


 Neuroscience

Visualizing Angiogenesis by Multiphoton Microscopy In Vivo in Genetically Modified 3D-PLGA/nHAp Scaffold for Calvarial Critical Bone Defect Repair

1Center for Translational Medicine Research and Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, 2Department of Orthopedic Surgery, Maastricht UMC+, 3Department of Orthopaedic Surgery, University Hospital RWTH, 4Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences

JoVE 55381


 Bioengineering

Local and Global Methods of Assessing Thermal Nociception in Drosophila Larvae

1Department of Biochemistry and Molecular Biology, The University of Texas MD Anderson Cancer Center, 2Scholars Academy/MARC Scholar, University of Houston-Downtown, 3Genes and Development Graduate Program, University of Texas Graduate School of Biomedical Sciences, 4Neuroscience Graduate Program, University of Texas Graduate School of Biomedical Sciences

JoVE 3837


 Neuroscience

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