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Plants, Toxic: Plants or plant parts which are harmful to man or other animals.

Identification of Critical Conditions for Immunostaining in the Pea Aphid Embryos: Increasing Tissue Permeability and Decreasing Background Staining

1Department of Entomology, National Taiwan University, 2Institute of Biotechnology, National Taiwan University, 3Research Center for Developmental Biology and Regenerative Medicine, National Taiwan University, 4Genome and Systems Biology Degree Program, National Taiwan University and Academia Sinica

JoVE 53883


 Developmental Biology

Bacterial Growth Curve Analysis and its Environmental Applications

JoVE 10100

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

Bacteria are among the most abundant life forms on Earth. They are found in every ecosystem and are vital for everyday life. For example, bacteria affect what people eat, drink, and breathe, and there are actually more bacterial cells within a person’s body than mammalian cells. Because of the importance of bacteria, it is preferable to study particular species of bacteria in the laboratory. To do this, bacteria are grown under controlled conditions in pure culture, meaning that only one type of bacterium is under consideration. Bacteria grow quickly in pure culture, and cell numbers increase dramatically in a short period of time. By measuring the rate of cell population increase over time, a “growth curve” to be developed. This is important when aiming to utilize or inoculate known numbers of the bacterial isolate, for example to enhance plant growth, increase biodegradation of toxic organics, or produce antibiotics or other natural products at an industrial scale.


 Environmental Microbiology

Assessment of DNA Contamination in RNA Samples Based on Ribosomal DNA

1Genetics 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)

Video Coming Soon

JoVE 55451


 JoVE In-Press

Detecting Estrogenic Ligands in Personal Care Products using a Yeast Estrogen Screen Optimized for the Undergraduate Teaching Laboratory

1Department of Biology, University of the South, 2School of Biological Sciences, Louisiana Tech University, 3School of Medicine, Louisiana State University Health Sciences Center, 4Department of Biology, Furman University, 5Department of Computer Science, Louisiana Tech University, 6Clemson University

Video Coming Soon

JoVE 55754


 JoVE In-Press

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


 Genetics

Electroporation of Functional Bacterial Effectors into Mammalian Cells

1Biological Sciences Division, Pacific Northwest National Laboratory, 2Environmental Molecular Science Laboratory, Pacific Northwest National Laboratory, 3Structural Proteomics Group, Ontario Center for Structural Proteomics, University of Toronto, 4Center for Bioproducts and Bioenergy, Washington State University

JoVE 52296


 Immunology and Infection

Empirical, Metagenomic, and Computational Techniques Illuminate the Mechanisms by which Fungicides Compromise Bee Health

1Vegetable Crop Research Unit, USDA-ARS, 2Department of Entomology, University of Wisconsin-Madison, 3Department of Horticulture, University of Wisconsin-Madison, 4Instituto Nacional de Investigaciones Forestales, Agricolas y Pecuarias, 5Department of Bacteriology, University of Wisconsin-Madison, 6Laboratory of Genetics, Genome Center of Wisconsin, 7DOE Great Lakes Bioenergy Research Center, Wisconsin Energy Institute, 8J.F. Crow Institute for the Study of Evolution, University of Wisconsin-Madison

Video Coming Soon

JoVE 54631


 JoVE In-Press

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