Related Experiment Video

Updated: Mar 6, 2026

A Microfluidic Device for Quantifying Bacterial Chemotaxis in Stable Concentration Gradients
09:28

A Microfluidic Device for Quantifying Bacterial Chemotaxis in Stable Concentration Gradients

Published on: April 19, 2010

12.7K

A Boolean approach to bacterial chemotaxis

Anuj Deshpande, Sibendu Samanta, Haimabati Das

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |March 9, 2017
    PubMed

    More Related Videos

    Generating Controlled, Dynamic Chemical Landscapes to Study Microbial Behavior10:07

    Generating Controlled, Dynamic Chemical Landscapes to Study Microbial Behavior

    Published on: January 31, 2020

    6.7K
    In Situ Chemotaxis Assay to Examine Microbial Behavior in Aquatic Ecosystems07:23

    In Situ Chemotaxis Assay to Examine Microbial Behavior in Aquatic Ecosystems

    Published on: May 5, 2020

    7.9K

    Related Concept Videos

    Chemotaxis in E. coli01:27

    Chemotaxis in E. coli

    Chemotaxis in Escherichia coli is a sensory-driven motility mechanism that enables bacteria to navigate chemical gradients, moving toward beneficial environments while avoiding harmful conditions. This process relies on a signal transduction system integrating external chemical cues with flagellar motor control.Chemoreceptors and Signal DetectionE. coli detects chemical gradients through methyl-accepting chemotaxis proteins (MCPs), which are membrane-bound chemoreceptors that sense attractants...
    1.1K
    Chemotaxis and Direction of Cell Migration01:21

    Chemotaxis and Direction of Cell Migration

    Cells can detect chemical cues in their environment and reorganize the cytoskeleton to migrate toward them or away from them. This directional migration, called chemotaxis, is essential during embryogenesis and development, immune response, tissue repair and regeneration, and reproduction. These chemical cues can either attract or repel the cell's movement. For example, axon development is determined by a combination of chemoattractants and chemorepellents that direct the growing axon...
    6.0K
    Flagella and Motility in Bacteria01:18

    Flagella and Motility in Bacteria

    Flagella are specialized, thread-like structures that extend from a bacteria's cell envelope. They play a crucial role in motility and chemotaxis. Their structural organization and functioning exemplify sophisticated biological engineering, enabling bacterial survival and adaptability in diverse environments.Structure of the FlagellumA bacterial flagellum consists of three key components: the filament, the hook, and basal body. The filament, a long, helical structure composed of repeating...
    4.3K
    Bacterial Signaling01:30

    Bacterial Signaling

    Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...
    42.4K
    Other Unique Bacteria01:18

    Other Unique Bacteria

    Magnetic bacteria exhibit a directed movement called magnetotaxis, driven by structures called magnetosomes. These magnetosomes consist of chains of magnetic particles made of either magnetite (Fe₃O₄) or greigite (Fe₃S₄) and are organized in a linear conformation by a protein scaffold within invaginations of the cell membrane. The bacteria align along the north–south magnetic field lines, much like a compass needle. They are typically microaerophilic or anaerobic...
    517