Force Transduction
Force Transduction - Related Videos
01:16
Transduction
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2025
Among the three main modes of HGT—transformation, conjugation, and transduction—transduction is unique in that it is mediated by bacteriophages, or bacterial viruses.Transduction occurs in two ways. Generalized transduction occurs during the lytic cycle of a bacteriophage infection. In this process, bacteriophages infect bacterial cells, replicate within them, and ultimately cause cell lysis, releasing newly assembled virions. Occasionally, random fragments of the bacterial genome are...
03:13
In Utero Viral Transduction in a Mouse
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2025
Source: Lutz, D., et al. Assessment of Ultrastructural Neuroplasticity Parameters After In Utero Transduction of the Developing Mouse Brain and Spinal Cord. J. Vis. Exp. (2019).This video demonstrates viral transduction via in-utero injection in mouse embryos. A pregnant mouse is prepared for the surgery, and a midline incision is made to expose the uterine horns. A mixture of a virus containing the desired gene and a tracking dye is injected into the embryos within the uterine sacs at the...
10:58
A Protocol for Lentiviral Transduction and Downstream Analysis of Intestinal Organoids
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Cited by 81 •
2015
In this video protocol we give a step by step explanation of lentiviral transduction in organoids of primary intestinal epithelium and of processing and downstream analysis of these cultures by quantitative RT-PCR, RNA-microarray and immunohistochemistry.
03:13
Intermolecular Forces
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2020
Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen bonds, and dispersion...
08:00
Force and Acceleration
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2023
Source: Nicholas Timmons, Asantha Cooray, PhD, Department of Physics & Astronomy, School of Physical Sciences, University of California, Irvine, CA The goal of this experiment is to understand the components of force and their relation to motion through the use of Newton's second law by measuring the acceleration of a glider being acted upon by a force. Nearly every aspect of motion in everyday life can be described using Isaac Newton's three laws of motion. They describe how objects in...
FAQs
Mechanical deformation can change the tension of a sensory neuron’s membrane or the tissue surrounding it. This physical change influences mechanically gated ion channels, which respond by opening or changing their conductance. Ion movement through those channels alters the membrane potential, linking the original force to an electrical change that the neuron can process as a signal.
Membrane tension provides a physical link between an applied force and the behavior of mechanically gated ion channels. When pressure, stretch, vibration, or tissue strain deforms a neuron or its surroundings, changes in tension can influence channel opening. The resulting ion flux changes membrane potential, making tension a critical intermediate step in sensory signal generation.
These channels determine how mechanical deformation becomes an electrical event in a neuron. Their force-sensitive behavior permits ion flux when the membrane or surrounding tissue changes physically, shifting the membrane potential. That shift can generate neural signals whose presence and properties allow the nervous system to register stimuli associated with touch, hearing, balance, proprioception, pain, or tissue strain.
A conceptual analysis follows the stimulus from mechanical deformation to membrane tension, channel behavior, ion flux, membrane-potential change, and neural signaling. This sequence separates the physical input from its cellular consequences and helps identify where sensory encoding may change. Applying it across different force types provides a framework for studying how neurons detect pressure, stretch, vibration, or strain.
Force transduction contributes to several sensory functions, including touch, hearing, balance, proprioception, and the detection of pain or tissue strain. These functions rely on neural systems responding to physical changes in the body or environment. Studying their shared mechanistic basis helps connect cellular responses to broader sensory processing without treating all mechanical stimuli as identical.
Understanding how mechanical forces alter neuronal signaling can help researchers examine failures in sensory detection and processing. The topic also informs neural-interface research and the development of mechanosensitive therapies, where physical inputs and neural responses must be considered together. These applications make force transduction relevant both to explaining sensory disorders and to designing approaches that influence neural function.