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Charge distributions and electrostatic interactions in viruses (CROSBI ID 586523)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Šiber, Antonio ; Lošdorfer Božič, Anže ; Podgornik, Rudolf Charge distributions and electrostatic interactions in viruses. 2012

Podaci o odgovornosti

Šiber, Antonio ; Lošdorfer Božič, Anže ; Podgornik, Rudolf

engleski

Charge distributions and electrostatic interactions in viruses

Electrostatic interactions are known to be of essential importance for a "proper" functioning of viruses [1, 2]. They are involved in all aspects of viral "lifecycle", including assembly, receptor attachment, membrane penetration, disassembly and release/budding. In the light of their importance, it is surprising that they have not been explored to the level of detail expected by a physicist. Of particular interest is the question of electrostatic stability of a virus and the span of the electrostatic parameter space encompassing stable and "viable" virus particles. In particular, one is interested in the relation between the charges on the virus protein coating (capsid) and those on the genome molecule (RNA or DNA). In order to provide stability to a virus, these parameters need to be within certain limits, yet must also be such to enable virus disassembly when appropriate, i.e. in conditions of appropriate pH and ionic concentrations. Theoretical insights in these matters may also enable one to design self-assembling virus-like particles with engineered cargo [3]. I shall briefly review our work on electrostatic interactions in viruses [1] revolving around the issues from the previous paragraph. I shall also present analysis of charge distribution in real viruses [4] and possible elements of "electrostatic design" in the virus proteins.

electrostatics; virus; charge; distribution

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Podaci o prilogu

2012.

objavljeno

Podaci o matičnoj publikaciji

Podaci o skupu

New Challenges in Electrostatics of Soft and Disordered Matter

pozvano predavanje

07.05.2012-10.05.2012

Toulouse, Francuska

Povezanost rada

Fizika

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