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DNA Contamination: The presence of DNA from a source foreign to the sample being analysed.

16S rRNA Sequencing: A PCR-based Technique to Identify Bacterial Species

JoVE 10510

Source: Ewa Bukowska-Faniband1, Tilde Andersson1, Rolf Lood1
1 Department of Clinical Sciences Lund, Division of Infection Medicine, Biomedical Center, Lund University, 221 00 Lund, Sweden


Planet Earth is a habitat for millions of bacterial species, each of which has specific characteristics. Identification of bacterial species is…

 Microbiology

Plasmid Purification

JoVE 5062

Plasmid purification is a technique used to isolate and purify plasmid DNA from genomic DNA, proteins, ribosomes, and the bacterial cell wall. A plasmid is a small, circular, double-stranded DNA that is used as a carrier of specific DNA molecules. When introduced into a host organism via transformation, a plasmid will be replicated, creating numerous copies of the DNA fragment under…

 Basic Methods in Cellular and Molecular Biology

RNA-Seq

JoVE 5548

Among different methods to evaluate gene expression, the high-throughput sequencing of RNA, or RNA-seq. is particularly attractive, as it can be performed and analyzed without relying on prior available genomic information. During RNA-seq, RNA isolated from samples of interest is used to generate a DNA library, which is then amplified and sequenced. Ultimately, RNA-seq can …

 Genetics

Probiotic Studies in Neonatal Mice Using Gavage

1Department of Experimental Medicine, University of British Columbia, 2Department of Pediatrics, University of British Columbia, 3Department of Epidemiology and Pediatrics, University of Nebraska Medical Centre, 4Animal Care Services, University of British Columbia

JoVE 59074

 Immunology and Infection

Detection of Human Immunodeficiency Virus Type 1 (HIV-1) Antisense Protein (ASP) RNA Transcripts in Patients by Strand-Specific RT-PCR

1Division of Immunology and Allergy, Lausanne University Hospital, 2Department of Fundamental Neuroscience, University of Lausanne, 3Department of Biochemistry, Erasmus Medical Center, 4Theoretical Biology and Biophysics Group, Los Alamos National Laboratories, 5Department of Biochemistry, University of Lausanne

Video Coming Soon

JoVE 60511

 JoVE In-Press

Studying Triple Negative Breast Cancer Using Orthotopic Breast Cancer Model

1Molecular Mechanism Section, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute at Frederick, 2Frederick National Laboratory for Cancer Research, Small Animal Imaging Program, Leidos Biomedical Research, Inc.

Video Coming Soon

JoVE 60316

 JoVE In-Press

Caffeine Extraction, Enzymatic Activity and Gene Expression of Caffeine Synthase from Plant Cell Suspensions

1Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán, 2CONACYT, Facultad de Ingeniería Química, Campus de Ciencias Exactas e Ingeniería, Universidad Autónoma de Yucatán

JoVE 58166

 Biochemistry

Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells

1Chang Gung University, 2Department of Periodontics, Chang Gung Memorial Hospital, 3California Northstate University College of Medicine, 4Department of Nephrology, Clinical Poison Center, Chang Gung Memorial Hospital, 5Kidney Research Center, Chang Gung Memorial Hospital, 6Center for Tissue Engineering, Chang Gung Memorial Hospital, 7Department of Periodontics, Chang Gung Memorial Hospital, 8College of Oral Medicine, Taipei Medical University

JoVE 57166

 Bioengineering

Specific and Accurate Detection of the Citrus Greening Pathogen Candidatus liberibacter spp. Using Conventional PCR on Citrus Leaf Tissue Samples

1Department of Biological Sciences, University of South Carolina, 2Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, 3Department of Instructions and Teacher Education, University of South Carolina

JoVE 57240

 Environment

Assessment of DNA Contamination in RNA Samples Based on Ribosomal DNA

1Genetic and Agricultural Biotechnology Institute of Tabarestan (GABIT), Sari Agricultural Sciences and Natural Resources University (SANRU), 2Department of Industrial and Environmental Biotechnology, National Institute of Genetics Engineering and Biotechnology (NIGEB), 3Department of Plant Breeding and Biotechnology, Gorgan University of Agricultural Sciences & Natural Resources, 4RG Abiotic Stress Genomics/ RG Heterosis, Department Molecular Genetics, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK)

JoVE 55451

 Genetics

Transcriptomic Analysis of Human Retinal Surgical Specimens Using jouRNAl

1U968, Institut National de la Santé et de la Recherche Médicale, 2UMR S 968, Université Pierre et Marie Curie, 3UMR 7210, Centre National de la Recherche Scientifique, 4Départment d'Ophtalmologie, Centre Hospitalier Universitaire de Bordeaux

JoVE 50375

 Medicine
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