Gliding Motility
Gliding Motility - Related Videos
02:44
Gliding Motility in Phormidium lacuna Filaments
0 Views •
2025
Source: Weber, N., et al., Natural Transformation, Protein Expression, and Cryoconservation of the Filamentous Cyanobacterium Phormidium lacuna. J. Vis. Exp. (2022)This video demonstrates the procedure to assess gliding motility in Phormidium lacuna by homogenizing filament cultures to create a uniform suspension, preparing a Petri plate assay setup over a microscope slide, and visualizing filament movement.
06:01
The Gliding Actin Filament Assay: An In Vitro Motility Assay to Study Translocation of Actin Filaments on Immobilized Myosins
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2025
In this video, we perform an in vitro motility assay to analyze the actin-myosin interactions. The gliding movement of actin filaments on immobilized myosin molecules is visualized using fluorescence microscopy.
05:16
Fabricating Multi-Component Lipid Nanotube Networks Using the Gliding Kinesin Motility Assay
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2021
This protocol describes a process for fabricating lipid nanotube networks using gliding kinesin motility in conjunction with giant unilamellar lipid vesicles.
07:55
Flexural Rigidity Measurements of Biopolymers Using Gliding Assays
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Cited by 2 •
2012
A method to measure the persistence length or flexural rigidity of biopolymers is described. The method uses a kinesin-driven microtubule gliding assay to experimentally determine the persistence length of individual microtubules and is adaptable to actin-based gliding assays.
08:15
Gastrointestinal Motility Monitor (GIMM)
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Cited by 36 •
2010
Evaluation of colonic motility in the guinea pig distal colon with the Gastrointestinal Motility Monitor (GIMM) is a straightforward and simple to learn approach to quantitatively evaluate propulsive motility in the gastrointestinal tract.
FAQs
Surface adhesins can produce forward movement by attaching to a solid surface and releasing in sequence. This coordinated cycle creates traction rather than relying on visible external appendages. The arrangement allows a cell to move directionally while maintaining repeated contact with its surroundings, which is especially relevant to colonization and interactions with neighboring cells.
These mechanisms generate movement through different force-producing strategies. Secretion systems can propel cells, whereas an internal actin-myosin motor transmits force through membrane-associated proteins. The distinction matters because gliding motility is not controlled by one universal system; its molecular basis varies among organisms and can reveal different aspects of cell mechanics.
Membrane-associated proteins provide the connection through which force from an internal actin-myosin motor reaches the cell surface. This coupling converts internal activity into directed movement across a substrate. Studying that connection helps explain how cellular force transmission works and why motility can be investigated as a problem in biology and cell mechanics.
The organism is a major determining factor, because different cells can rely on sequentially operating adhesins, secretion systems, or an actin-myosin motor. These alternatives produce movement through different physical arrangements and force pathways. Comparing them helps researchers relate motility to organismal biology, including bacterial colonization and parasite movement through host tissues.
Researchers can examine how directed surface movement contributes to bacterial colonization and biofilm formation. Motility studies connect the movement mechanism with the ability to reach favorable environments and interact with neighboring cells. This provides biological context for understanding how surface-associated microbial communities develop and why movement-related processes may influence infection research.
In parasites such as apicomplexans, gliding motility is relevant to movement through host tissues. Investigating this process can connect the underlying force-generating machinery with infection-related behavior. The findings also support research on potential antimicrobial targets, because disrupting motility mechanisms could affect how organisms move, colonize, or interact with host environments.