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Bacteria, Aerobic:
 JoVE Environment

An Optimized Enrichment Technique for the Isolation of Arthrobacter Bacteriophage Species from Soil Sample Isolates

1Biology Department, University of the Sciences, 2Biology Department, Arcadia University, 3Biology Department, Immaculata University, 4Biology/Clinical Laboratory Science, Neumann University, 5Science Department, Cabrini College


JoVE 52781

 Science Education: Essentials of Environmental Microbiology

Culturing and Enumerating Bacteria from Soil Samples

JoVE Science Education

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

Surface soils are a heterogeneous mixture of inorganic and organic particles that combine together to form secondary aggregates. Within and between the aggregates are voids or pores that visually contain both air and water. These conditions create an ideal ecosystem for bacteria, so all soils contain vast populations of bacteria, usually over 1 million per gram of soil. Bacteria are the simplest of microorganisms, known as prokaryotes. Within this prokaryotic group, there are the filamentous microbes known as actinomycetes. Actinomycetes are actually bacteria, but they are frequently considered to be a unique group within the classification of bacteria because of their filamentous structure, which consists of multiple cells strung together to form hyphae. This experiment uses glycerol case media that select for actinomycete colonies, during dilution and plating. Typically, actinomycetes are approximately 10% of the total bacterial population. Bacteria and actinomycetes are found in every environment on Earth, but the abundance and diversity of these microbes in soil is unparalleled. These microbes are also essential for human life and affect what people eat

 JoVE Immunology and Infection

Rapid Identification of Gram Negative Bacteria from Blood Culture Broth Using MALDI-TOF Mass Spectrometry

1Centre for Infectious Diseases and Microbiology Laboratory Services, Institute of Clinical Pathology and Medical Research, Westmead Hospital, 2Centre for Research Excellence in Critical Infection, Westmead Millennium Institute, Westmead Hospital, 3Sydney Emerging Infectious Diseases Institute, University of Sydney, Westmead Hospital


JoVE 51663

 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 Forestuère, UMR 1137, INRA Université de Lorraine

Video Coming Soon

JoVE 54771

 JoVE Bioengineering

Co-culture of Living Microbiome with Microengineered Human Intestinal Villi in a Gut-on-a-Chip Microfluidic Device

1Department of Biomedical Engineering, The University of Texas at Austin, 2Wyss Institute for Biologically Inspired Engineering at Harvard University, 3Vascular Biology Program, Boston Children's Hospital, Harvard Medical School, 4John A. Paulson School of Engineering and Applied Sciences, Harvard University


JoVE 54344

 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

 Science Education: Essentials of Environmental Microbiology

Filamentous Fungi

JoVE Science Education

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

Fungi are heterotrophic eukaryotic organisms, and with the exception of yeasts, are aerobic. They are abundant in surface soils and are important for their role in nutrient cycling and the decomposition of organic matter and organic contaminants. White rot fungi (phanerochaete chryosporium) for example, (Figure 1) are known to degrade aromatics. Figure 1. White rot on birch.

 JoVE Biology

Competitive Genomic Screens of Barcoded Yeast Libraries

1Banting and Best Department of Medical Research and Department of Molecular Genetics, University of Toronto, 2Donnelly Centre for Cellular and Biomolecular Research, University of Toronto, 3Donnelly Sequencing Centre, University of Toronto, 4Genetics and Molecular Biology Branch, National Human Genome Research Institute, NIH, 5Stanford Genome Technology Center, Stanford School of Medicine, Stanford University, 6Department of Pharmaceutical Sciences, University of Toronto


JoVE 2864

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 JoVE Biology

Determining the Contribution of the Energy Systems During Exercise

1Laboratory of Applied Nutrition, School of Physical Education and Sport, University of Sao Paulo, 2Aerobic Performance Research Group, School of Physical Education and Sport, University of Sao Paulo, 3Laboratory of Neuromuscular Adaptations to Strength Training, School of Physical Education and Sport, University of Sao Paulo, 4Martial Arts and Combat Sports Research Group, School of Physical Education and Sport, University of Sao Paulo


JoVE 3413

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 JoVE Immunology and Infection

Microscopy-based Assays for High-throughput Screening of Host Factors Involved in Brucella Infection of Hela Cells

1Focal Area Infection Biology, Biozentrum, University of Basel, 2Centre d’Immunologie de Marseille-Luminy, Université de la Méditérannée UM2, INSERM U1104 CNRS UM7280, 3Departmento de Microbiologìa and Instituto de Salud Tropical, Universidad de Navarra, 4BioDataAnalysis GmbH


JoVE 54263

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