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Genetic Variation: The phenotypic and genotypic differences among individuals in a population.

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

Screening for Functional Non-coding Genetic Variants Using Electrophoretic Mobility Shift Assay (EMSA) and DNA-affinity Precipitation Assay (DAPA)

1Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital, 2Medical Scientist Training Program, University of Cincinnati, 3Immunology Graduate Program, University of Cincinnati, 4Divisions of Biomedical Informatics and Developmental Biology, Cincinnati Children's Hospital

JoVE 54093


 Biology

Targeted Next-generation Sequencing and Bioinformatics Pipeline to Evaluate Genetic Determinants of Constitutional Disease

1Robarts Research Institute, Schulich School of Medicine and Dentistry, Western University, 2Department of Biochemistry, Schulich School of Medicine and Dentistry, Western University, 3Analytic and Translational Genetics Unit, Center for Genomic Medicine, Harvard Medical School, Massachusetts General Hospital, Stanley Centre for Psychiatric Research, Broad Institute of MIT and Harvard, 4Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, 5School of Medicine, Faculty of Health Sciences, Queen's University, 6Faculty of Medicine, Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 7CHEO Research Institute, Faculty of Medicine, University of Ottawa, 8Department of Clinical Neurological Sciences, Western University, 9Division of Neurology, Department of Medicine, Sunnybrook Health Sciences Centre, University of Toronto, 10Division of Neurology, Department of Medicine, University of Toronto, 11Morton and Gloria Shulman Movement Disorders Centre, Toronto Western Hospital, 12Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, Western University, 13Parkwood Institute, St. Joseph's Health Care, 14Department of Medicine, Division of Neurology, McMaster University, 15Division of Neurology, Department of Medicine, Baycrest Health Sciences, 16Canadian Partnership for Stroke Recovery Sunnybrook Site, Sunnybrook Health Science Centre, University of Toronto

JoVE 57266


 Genetics

A Loop-mediated Isothermal Amplification (LAMP) Assay for Rapid Identification of Bemisia tabaci

1Department of Method Development and Analytics, Agroscope, 2Swiss Tropical and Public Health Institute, 3University of Basel, 4Swiss Federal Plant Protection Service, Federal Office for Agriculture, 5OptiGene Limited, 6Fera Science Limited, 7School of Natural and Environmental Sciences, Newcastle University, 8Department of Plants and Plant Products, Agroscope

JoVE 58502


 Environment

A Method to Study the C924T Polymorphism of the Thromboxane A2 Receptor Gene

1SS Annunziata University Hospital, Unit of Clinical Molecular Biology and Predictive Medicine, University of Chieti, 2Department of Medical, Oral and Biotechnological Sciences, University of Chieti, 3Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, 4CNR - Institute of Molecular Genetics, Section of Chieti

Video Coming Soon

JoVE 57289


 JoVE In-Press

Laminar Flow-based Assays to Investigate Leukocyte Recruitment on Cultured Vascular Cells and Adherent Platelets

1Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 2Department of Vascular Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine

JoVE 57009


 Immunology and Infection

A Protocol for Measuring Cue Reactivity in a Rat Model of Cocaine Use Disorder

1Center for Addiction Research, University of Texas Medical Branch, 2Institute for Translational Sciences, University of Texas Medical Branch, 3Mitchell Center for Neurodegenerative Diseases, University of Texas Medical Branch, 4Department of Neurology, University of Texas Medical Branch, 5Department of Pathology, University of Texas Medical Branch, 6Department of Pharmacology and Toxicology, University of Texas Medical Branch

JoVE 55864


 Neuroscience

Rapid Diagnosis of Avian Influenza Virus in Wild Birds: Use of a Portable rRT-PCR and Freeze-dried Reagents in the Field

1USGS Western Ecological Research Center, 2Wildlife Health Center, University of California, Davis, 3Department of Population Health and Reproduction, University of California, Davis, 4Department of Veterinary and Biomedical Sciences, University of Minnesota, 5Science Applications International Corporation

JoVE 2829


 Immunology and Infection

Yeast Reproduction

JoVE 5097

Saccharomyces cerevisiae is a species of yeast that is an extremely valuable model organism. Importantly, S. cerevisiae is a unicellular eukaryote that undergoes many of the same biological processes as humans. This video provides an introduction to the yeast cell cycle, and explains how S. cerevisiae reproduces both asexually and sexually Yeast reproduce asexually through a process known as budding. In contrast, yeast sometimes participate in sexual reproduction, which is important because it introduces genetic variation to a population. During environmentally stressful conditions, S. cerevisiae will undergo meiosis and form haploid spores that are released when environmental conditions improve. During sexual reproduction, these haploid spores fuse, ultimately forming a diploid zygote. In the lab, yeast can be genetically manipulated to further understand the genetic regulation of the cell cycle, reproduction, aging, and development. Therefore, scientists study the reproduction of yeast to gain insight into processes that are important in human biology.


 Biology I

SNP Genotyping

JoVE 5544

Single nucleotide polymorphisms, or SNPs, are the most common form of genetic variation in humans. These differences at individual bases in the DNA often do not directly affect gene expression, but in many cases can still be useful for locating disease-associated genes or for diagnosing patients. Numerous methodologies have been established to identify, or “genotype”, SNPs.JoVE’s introduction to SNP Genotyping begins by discussing what SNPs are and how they can be used to identify disease-associated genes. Several common SNP genotyping methods are then examined, including direct hybridization, PCR-based methods, fragment analysis, and sequencing. Finally, we present several examples of how these techniques are applied to genetic research today.


 Genetics

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