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RNA, Fungal: Ribonucleic acid in fungi having regulatory and catalytic roles as well as involvement in protein synthesis.
 JoVE Genetics

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

 JoVE Immunology and Infection

Establishment of an In vitro System to Study Intracellular Behavior of Candida glabrata in Human THP-1 Macrophages

1Laboratory of Fungal Pathogenesis, Centre for DNA Fingerprinting and Diagnostics, Andhra Pradesh, India, 2Current location: VIB Department for Molecular Biomedical Research, UGent, Fiers-Schell-Van Montagu Building, Technologiepark 927, B-9052 Ghent (Zwijnaarde), Belgium


JoVE 50625

 JoVE Biology

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

 JoVE Immunology and Infection

A Rapid Strategy for the Isolation of New Faustoviruses from Environmental Samples Using Vermamoeba vermiformis

1Faculty of Medicine and Pharmacy, Research Unit for Infectious and Tropical Emerging Diseases, Aix Marseille University, 2Pole of Infectious and Tropical Diseases, Clinical and Biological Sector, Federation of Bacteriology-Hygiene Virology, University Hospital Institute Mediterranean Infection


JoVE 54104

 JoVE Immunology and Infection

Optimized Protocols for Mycobacterium leprae Strain Management: Frozen Stock Preservation and Maintenance in Athymic Nude Mice

1Department of Pathology, Instituto Lauro de Souza Lima (ILSL), 2Laboratory Animal House, Instituto Lauro de Souza Lima (ILSL), 3Department of Microbiology, Instituto Lauro de Souza Lima (ILSL), 4Department of Pharmacology, Instituto Lauro de Souza Lima (ILSL)


JoVE 50620

 JoVE Immunology and Infection

The Ex Vivo Culture and Pattern Recognition Receptor Stimulation of Mouse Intestinal Organoids

1Department of Biomedical Sciences and Pathobiology, Virginia Maryland College of Veterinary Medicine, Virginia Tech, 2Department of Biomedical Engineering, Cornell University, 3School of Electrical and Computer Engineering, Cornell University, 4Department of Biomedical Engineering, Duke University


JoVE 54033

 JoVE Genetics

Parallel Measurement of Circadian Clock Gene Expression and Hormone Secretion in Human Primary Cell Cultures

1Department of Medical Specialties, Division of Endocrinology, Diabetes, Hypertension and Nutrition, Diabetes Center, University of Geneva Medical School, Institute of Genetics and Genomics in Geneva (iGE3), 2Population Epidemiology Unit (UEP), Community Medicine, Geneva University Hospital


JoVE 54673

 JoVE Immunology and Infection

A Primary Neuron Culture System for the Study of Herpes Simplex Virus Latency and Reactivation

1Department of Microbiology, New York University School of Medicine, 2Molecular Neurobiology Program, Skirball Institute for Biomolecular Medicine, New York University School of Medicine, 3Department of Otolaryngology, New York University School of Medicine, 4Department of Cell Biology, New York University School of Medicine, 5Department of Physiology and Neuroscience, New York University School of Medicine, 6Department of Psychiatry, New York University School of Medicine, 7Center for Neural Science, New York University School of Medicine


JoVE 3823

 Science Education: Essentials of Biology 2

Zebrafish Breeding and Embryo Handling

JoVE Science Education

Zebrafish (Danio rerio) are an important model organism that is particularly valuable for research in developmental biology. Zebrafish are extremely fertile and can produce hundreds of progeny per week, so it is relatively easy to collect a large number of embryos for high sample numbers. Furthermore, zebrafish undergo rapid development and embryos are transparent, allowing for easy visualization of developmental processes. This video covers the steps required for the collection of newly fertilized zebrafish embryos. A brief overview of zebrafish mating behavior is presented, followed by instructions for setting up crosses in specialized laboratory breeding tanks that allow for controlled mating. Also covered are the conditions required to initiate the release of eggs (known as spawning) the morning after tanks are set. Next, essential techniques for working with embryos are presented, including the inhibition of pigment development with the chemical PTU, and dechorionation: a procedure in which the shell-like membrane surrounding the embryo (the chorion) is removed. Finally, the video concludes with some practical applications of these techniques in developmental research.

 Science Education: Essentials of Biology 1

RNAi in C. elegans

JoVE Science Education

RNA interference (RNAi) is a widely used technique in which double stranded RNA is exogenously introduced into an organism, causing knockdown of a target gene. In the nematode, C. elegans, RNAi is particularly easy and effective because it can be delivered simply by feeding the worms bacteria that express double stranded RNA (dsRNA) that is complementary to a gene of interest. First, this video will introduce the concept of RNA interference and explain how it causes targeted gene knockdown. Then, we will demonstrate a protocol for using RNAi in C. elegans, which includes preparation of the bacteria and RNAi worm plates, culturing of the worms, and how to assess the effects of RNAi on the worms. RNAi is frequently used to perform reverse genetic screens in order to reveal which genes are important to carry out specific biological processes. Furthermore, automated reverse genetic screens allow for the efficient knockdown and analysis of a large collection of genes. Lastly, RNAi is often used to study the development of C. elegans. Since its discovery, scientists have used RNAi to make tremendous progress on the understanding of many biological phenomena.

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 JoVE In-Press

A New Method for Qualitative Multiscale Analysis of Bacterial Biofilms on Filamentous Fungal Colonies Using Confocal and Electron Microscopy

1Interactions Arbres – Microorganismes, UMR1136, INRA Université de Lorraine, 2Biosciences Division, Oak Ridge National Laboratory, 3Ecologie et Ecophysiologie Forestières - PTEF, UMR 1137, INRA Université de Lorraine

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JoVE 54771

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