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RNA, Viral: Ribonucleic acid that makes up the genetic material of viruses.

Generation, Amplification, and Titration of Recombinant Respiratory Syncytial Viruses

1UMR 1173 Institut national de la santé et de la recherche médicale (INSERM), Université de Versailles St. Quentin, 2UR892 Institut national de la recherche agronomique (INRA), Unité de virologie et immunologie moléculaires, 3Assistance Publique–Hôpitaux de Paris (AP-HP), Hôpital Ambroise Paré, Laboratoire de Microbiologie

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JoVE 59218


 JoVE In-Press

Establishment of Viral Infection and Analysis of Host-Virus Interaction in Drosophila Melanogaster

1The Joint Center for Infection and Immunity, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, 2CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, 3CAS Key Laboratory of Infection and Immunity (CASKLII), Institute of Biophysics, Chinese Academy of Sciences

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JoVE 58845


 JoVE In-Press

An Affordable HIV-1 Drug Resistance Monitoring Method for Resource Limited Settings

1Africa Centre for Health and Population Studies, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa, 2Unit D11, Jembi Health Systems, 3Academic Medical Center, Department of Global Health, Amsterdam Institute for Global Health and Development (AIGHD), University of Amsterdam, 4Division of Infectious Diseases and Geographic Medicine, Centre for AIDS Research, Stanford Medical School

JoVE 51242


 Medicine

Quantifying Environmental Microorganisms and Viruses Using qPCR

JoVE 10186

Source: Laboratories of Dr. Ian Pepper and Dr. Charles Gerba - Arizona University
Demonstrating Author: Bradley Schmitz

Quantitative polymerase chain reaction (qPCR), also known as real-time PCR, is a widely-used molecular technique for enumerating microorganisms in the environment. Prior to this approach, quantifying microorganisms was limited largely to classical culture-based techniques. However, the culturing of microbes from environmental samples can be particularly challenging, and it is generally held that as few as 1 to 10% of the microorganisms present within environmental samples are detectable using these techniques. The advent of qPCR in environmental microbiology research has therefore advanced the field greatly by allowing for more accurate determination of concentrations of microorganisms such as disease-causing pathogens in environmental samples. However, an important limitation of qPCR as an applied microbiological technique is that living, viable populations cannot be differentiated from inactive or non-living populations. This video demonstrates the use of qPCR to detect pepper mild mottle virus from an environmental water sample.


 Environmental Microbiology

Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination

1Physical Medicine and Rehabilitation, University of Alabama at Birmingham, 2Department of Pathology, University of Alabama at Birmingham, 3Department of Neurobiology, University of Alabama at Birmingham, 4Center for Glial Biology and Medicine, University of Alabama at Birmingham

JoVE 54348


 Immunology and Infection

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