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Updated: Jul 6, 2026
10:09
Adjustable Stiffness, External Fixator for the Rat Femur Osteotomy and Segmental Bone Defect Models
Published on: October 9, 2014
Flexible scaffolding made of rigid BARs.
Vadim A Frolov1, Joshua Zimmerberg
1Program on Physical Biology, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892-1855, USA.
Cell
|March 11, 2008
Summary
Crescent-shaped BAR domains generate membrane curvature. Frost et al. reveal how rigid F-BAR domains collectively twist on soft membranes, creating diverse membrane shapes.
Area of Science:
- Biophysics
- Cell Biology
- Structural Biology
Background:
- BAR domains are essential protein modules mediating membrane curvature.
- Previous models focused on individual BAR domain function in shaping membranes.
Discussion:
- This study investigates the collective behavior of F-BAR domains.
- It explores how the physical properties of the membrane influence domain organization and function.
Key Insights:
- Collective twisting of rigid F-BAR domains on soft membranes generates varied membrane curvatures.
- The interplay between protein domain rigidity and membrane elasticity dictates the resulting shape.
Outlook:
- Understanding these mechanisms can inform the design of biomimetic materials.
- Further research could explore the role of collective domain behavior in other cellular processes.
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