Virus shapes and buckling transitions in spherical shells.

  title={Virus shapes and buckling transitions in spherical shells.},
  author={J. Lidmar and L. Mirny and D. Nelson},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  volume={68 5 Pt 1},
  • J. Lidmar, L. Mirny, D. Nelson
  • Published 2003
  • Medicine, Physics, Biology
  • Physical review. E, Statistical, nonlinear, and soft matter physics
  • We show that the icosahedral packings of protein capsomeres proposed by Caspar and Klug for spherical viruses become unstable to faceting for sufficiently large virus size, in analogy with the buckling instability of disclinations in two-dimensional crystals. Our model, based on the nonlinear physics of thin elastic shells, produces excellent one-parameter fits in real space to the full three-dimensional shape of large spherical viruses. The faceted shape depends only on the dimensionless Foppl… CONTINUE READING
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