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Quorum Sensing: A phenomenon where microorganisms communicate and coordinate their behavior by the accumulation of signaling molecules. A reaction occurs when a substance accumulates to a sufficient concentration. This is most commonly seen in bacteria.

Replication of the Ordered, Nonredundant Library of Pseudomonas aeruginosa strain PA14 Transposon Insertion Mutants

1Department of Pediatrics, Mucosal Immunology and Biology Research Center, Massachusetts General Hospital, 2Department of Molecular Biology, Massachusetts General Hospital, 3Department of Genetics, Harvard Medical School, 4Department of Pediatrics, Harvard Medical School

JoVE 57298


 Immunology and Infection

Synthesis of Multi-walled Carbon Nanotubes Modified with Silver Nanoparticles and Evaluation of Their Antibacterial Activities and Cytotoxic Properties

1Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology, 2School of Integrative Engineering, Chung-Ang University, 3Division of Synthetic Biology and Regenerative Medicine, Institute for Quantitative Health Science and Engineering, Michigan State University

JoVE 57384


 Bioengineering

Measuring Growth and Gene Expression Dynamics of Tumor-Targeted S. Typhimurium Bacteria

1Health Sciences and Technology, Massachusetts Institute of Technology, 2Department of Bioengineering, University of California, San Diego, 3Biocircuits Institute, University of California, San Diego, 4Molecular Biology Section, Division of Biological Science, University of California, San Diego, 5Broad Institute of Harvard and MIT, 6Department of Medicine, Brigham and Women's Hospital, 7Electrical Engineering and Computer Science and David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, 8Howard Hughes Medical Institute

JoVE 50540


 Immunology and Infection

Monitoring Changes in Membrane Polarity, Membrane Integrity, and Intracellular Ion Concentrations in Streptococcus pneumoniae Using Fluorescent Dyes

1Department of Microbiology and Immunology, University at Buffalo, State University of New York, 2Witebsky Center for Microbial Pathogenesis and Immunology, University at Buffalo, State University of New York, 3New York State Center of Excellence in Bioinformatics and Life Sciences, University at Buffalo, State University of New York

JoVE 51008


 Immunology and Infection

Preparation, Imaging, and Quantification of Bacterial Surface Motility Assays

1Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, 2Eck Institute for Global Health, University of Notre Dame, 3Department of Applied and Computational Mathematics and Statistics, University of Notre Dame, 4INRS-Institut Armand-Frappier, 5Department of Biology, Indiana University, 6Department of Biological Sciences, University of Notre Dame

JoVE 52338


 Biology

Live Cell Analysis of Shear Stress on Pseudomonas aeruginosa Using an Automated Medium-Throughput Microfluidic System

1Department of Chemistry, Doane University, 2Department of Biology, Doane University, 3Department of Pathology and Microbiology, University of Nebraska Medical Center, 4Department of Physics and Engineering, Doane University

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JoVE 58926


 JoVE In-Press

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