Scar-Driven Shape-Changes of Virus Capsids

Details Scar-Driven Shape-Changes of Virus Capsids Scar-Driven Shape-Changes of Virus Capsids

2008-10-21

arxiv.org/abs/0810.3834v1

Cent. Eur. J. Biol. 3(4) (2008) 380-387

Biology

Quantitative Biology

Quantitative Methods

13 page, 5 figures

Scientific paper

10.2478/s11535-008-0038-1

We propose that certain patterns (scars) -- theoretically and numerically predicted to be formed by electrons arranged on a sphere to minimize the repulsive Coulomb potential (the Thomson problem) and experimentally found in spherical crystals formed by self-assembled polystyrene beads (an instance of the {\it generalized} Thomson problem) -- could be relevant to extend the classic Caspar and Klug construction for icosahedrally-shaped virus capsids. The main idea is that scars could be produced on the capsid at an intermediate stage of its evolution and the release of the bending energy present in scars into stretching energy could allow for shape-changes. The conjecture can be tested in experiments and/or in numerical simulations.

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