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Cell Shape: The quality of surface form or outline of Cells.

Microscopy and Staining: Gram, Capsule, and Endospore Staining

JoVE 10513

Source: Rhiannon M. LeVeque1, Natalia Martin1, Andrew J. Van Alst1, and Victor J. DiRita1
1 Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, United States of America


Bacteria are diverse microorganisms found nearly everywhere on Earth. Many properties help distinguish them from…

 Microbiology

An Introduction to Molecular Developmental Biology

JoVE 5328

Molecular signals play a major role in the complex processes occurring during embryonic development. These signals regulate activities such as cell differentiation and migration, which contribute to the formation of specific cell types and structures. The use of molecular approaches allows researchers to investigate these physical and chemical mechanisms in detail.


This video will …

 Developmental Biology

Drosophila Development and Reproduction

JoVE 5093

One of the many reasons that make Drosophila an extremely valuable organism is that the molecular, cellular, and genetic foundations of development are highly conserved between flies and higher eukaryotes such as humans. Drosophila progress through several developmental stages in a process known as the life cycle and each stage provides a unique platform for developmental…

 Biology I

Tissues

JoVE 10696

Cells with similar structure and function are grouped into tissues. A group of tissues with a specialized function is called an organ. There are four main types of tissue in vertebrates: epithelial, connective, muscle, and nervous.

Epithelial tissue consists of thin sheets of cells and includes the skin and the linings of internal organs and body cavities. Epithelial cells are tightly packed, providing a barrier against injury, infection, and water loss. Epithelial tissue can be a single layer called simple epithelium, or multiple layers called stratified epithelium. In stratified epithelium, such as the skin, the outer cells—which are subject to damage—are replaced through the division of cells underneath. Epithelial cells have a variety of shapes, including squamous (flattened), cuboid, and columnar. Some epithelial tissues absorb or secrete substances, such as the lining of the intestines. Connective tissue is composed of cells within an extracellular matrix and includes loose connective tissue, fibrous connective tissue, adipose (fat) tissue, cartilage, bone, and blood. Although the characteristics of connective tissue vary greatly, their general function is to support and attach multiple tissues. For example, tendons are made of fibrous connective tissue and attach muscle to bone. Blood transports oxygen, nutrients and waste produ

 Core: Cell Structure and Function

Mammalian Cell Division in 3D Matrices via Quantitative Confocal Reflection Microscopy

1Department of Chemical and Biomolecular Engineering, Johns Hopkins University, 2Johns Hopkins Physical Sciences - Oncology Center, Johns Hopkins University, 3Department of Biomedical Engineering, Johns Hopkins University, 4Departments of Oncology and Pathology and Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine

JoVE 56364

 Bioengineering

A Cell-based Assay to Investigate Non-muscle Myosin II Contractility via the Folded-gastrulation Signaling Pathway in Drosophila S2R+ Cells

1Department of Biology, The University of North Carolina at Chapel Hill, 2Department of Biology, Reed College, 3Carolina Center for Genome Sciences, The University of North Carolina at Chapel Hill, 4Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill

JoVE 58325

 Developmental Biology

Live Cell Imaging and 3D Analysis of Angiotensin Receptor Type 1a Trafficking in Transfected Human Embryonic Kidney Cells Using Confocal Microscopy

1Department of Biochemistry, Georgetown University Medical Center, 2Department of Medicine, Georgetown University Medical Center, 3Department of Physics, Georgetown University Medical Center, 4Department of Oncology, Georgetown University Medical Center

JoVE 55177

 Biology

Human Pluripotent Stem Cell Culture on Polyvinyl Alcohol-Co-Itaconic Acid Hydrogels with Varying Stiffness Under Xeno-Free Conditions

1Department of Chemical and Materials Engineering, National Central University, 2Department of Botany and Microbiology, King Saud University, 3Cathay Medical Research Institute, Cathay General Hospital, 4Graduate Institute of Systems Biology and Bioinformatics, National Central University, 5Department of Medical Microbiology and Parasitology, Universiti Putra Malaysia, 6Department of Internal Medicine, Taiwan Landseed Hospital, 7Department of Zoology, Bharathiar University, 8Thiruvalluvar University

JoVE 57314

 Bioengineering

Imaging Cell Interaction in Tracheal Mucosa During Influenza Virus Infection Using Two-photon Intravital Microscopy

1Faculty of Biomedical Sciences, Institute for Research in Biomedicine, Università della Svizzera italiana (USI), 2Graduate School of Cellular and Molecular Sciences, Faculty of Medicine, University of Bern, 3Institute of Computational Science, Università della Svizzera italiana (USI)

JoVE 58355

 Immunology and Infection

Isotropic Light-Sheet Microscopy and Automated Cell Lineage Analyses to Catalogue Caenorhabditis elegans Embryogenesis with Subcellular Resolution

1Department of Neuroscience and Department of Cell Biology, Yale University School of Medicine, 2Developmental Biology Program, Sloan Kettering Institute, 3Department of Genetics and Genome Sciences and Center for Cell Analysis and Modeling, University of Connecticut Health Center, 4Section on High Resolution Optical Imaging, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, 5WormGUIDES.org, 6Instituto de Neurobiología, Recinto de Ciencias Médicas, Universidad de Puerto Rico

JoVE 59533

 Developmental Biology

Adenofection: A Method for Studying the Role of Molecular Chaperones in Cellular Morphodynamics by Depletion-Rescue Experiments

1Département de biologie moléculaire, biochimie médicale et pathologie, Faculté de médecine, Centre de recherche sur le cancer de l'Université Laval, 2Oncology, Centre de recherche du CHU de Québec, Université Laval, 3Laboratoire d'études moléculaires des valvulopathies (LEMV), Groupe de recherche en valvulopathies (GRV), Quebec Heart and Lung Institute/Research Center, 4Department of Surgery, Université Laval

JoVE 54557

 Biology

A Combined 3D Tissue Engineered In Vitro/In Silico Lung Tumor Model for Predicting Drug Effectiveness in Specific Mutational Backgrounds

1Department of Tissue Engineering and Regenerative Medicine (TERM), University Hospital Wuerzburg, 2Department of Cardiothoracic Surgery, University Hospital Wuerzburg, 3Department of Bioinformatics, University Wuerzburg, 4Translational Center Wuerzburg, Fraunhofer Institute Interfacial Engineering and Biotechnology IGB

JoVE 53885

 Bioengineering

Simultaneous Study of the Recruitment of Monocyte Subpopulations Under Flow In Vitro

1Hematology service, Centre Médical Universitaire (CMU), Medical faculty, University of Geneva, 2Department of Pathology and Immunology, Centre Médical Universitaire (CMU), Medical faculty, University of Geneva, 3Department of Cell Physiology and Metabolism, Centre Médical Universitaire (CMU), Medical faculty, University of Geneva

JoVE 58509

 Immunology and Infection

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

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, 4Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences

JoVE 58845

 Immunology and Infection
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