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DNA Probes: Species- or subspecies-specific DNA (including Complementary dna; conserved genes, whole chromosomes, or whole genomes) used in hybridization studies in order to identify microorganisms, to measure Dna-dna homologies, to group subspecies, etc. The DNA probe hybridizes with a specific mRNA, if present. Conventional techniques used for testing for the hybridization product include dot blot assays, Southern blot assays, and DNA:RNA hybrid-specific antibody tests. Conventional labels for the DNA probe include the radioisotope labels 32P and 125I and the chemical label biotin. The use of DNA probes provides a specific, sensitive, rapid, and inexpensive replacement for cell culture techniques for diagnosing infections.

Understanding Early Organogenesis Using a Simplified In Situ Hybridization Protocol in Xenopus

1Developmental and Stem Cell Biology, Hospital for Sick Children, 2Children's Health Research Institute, University of Western Ontario, 3Department of Physiology and Pharmacology, University of Western Ontario, 4Neurosciences and Mental Health, Hospital for Sick Children, 5Department of Paediatrics, University of Western Ontario

JoVE 51526


 Developmental Biology

Detection of the Genome and Transcripts of a Persistent DNA Virus in Neuronal Tissues by Fluorescent In situ Hybridization Combined with Immunostaining

1Virus and Centromere Team, Centre de Génétique et Physiologie Moléculaire et Cellulaire, CNRS UMR 5534, 2Université de Lyon 1, 3Laboratoire d'excellence, LabEX DEVweCAN, 4Institut de Virologie Moléculaire et Structurale, CNRS UPR 3296, 5Centre de Recherche en Cancérologie de Lyon, INSERM U1052, CNRS UMR 5286

JoVE 51091


 Neuroscience

Characterization of Tumor Cells Using a Medical Wire for Capturing Circulating Tumor Cells: A 3D Approach Based on Immunofluorescence and DNA FISH

1Biosciences Laboratory, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, 2Associazione Annastaccatolisa Onlus, 3Nuclear Medicine Unit, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS

Video Coming Soon

JoVE 56936


 JoVE In-Press

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

Bacterial Detection & Identification Using Electrochemical Sensors

1Research Service, Veterans Affairs Greater Los Angeles Healthcare System, 2Department of Urology, The David Geffen School of Medicine, University of California, Los Angeles, 3GeneFluidics, 4Division of Infectious Diseases, Veterans Affairs Greater Los Angeles Healthcare System, 5Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles

JoVE 4282


 Bioengineering

Detection of Inter-chromosomal Stable Aberrations by Multiple Fluorescence In Situ Hybridization (mFISH) and Spectral Karyotyping (SKY) in Irradiated Mice

1Division of Radiation Health, Department of Pharmaceutical Sciences, College of Pharmacy, University of Arkansas for Medical Sciences, 2Department of Environmental Health, Fay W. Boozman School of Public Health, University of Arkansas for Medical Sciences, 3Surgical Service, Central Arkansas Veterans Healthcare System

JoVE 55162


 Genetics

Measurement of Differentially Methylated INS DNA Species in Human Serum Samples as a Biomarker of Islet β Cell Death

1Department of Pediatrics, IU Center for Diabetes and Metabolic Disease, Indiana University School of Medicine, 2Department of Pediartics, Omaha Children's Hospital and Medical Center, University of Nebraska Medical Center, 3Departments of Biochemistry and Molecular Biology, Medicine, and Cellular and Integrative Physiology, IU Center for Diabetes and Metabolic Disease, Indiana University School of Medicine, 4Indiana Biosciences Research Institute

JoVE 54838


 Genetics

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