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Computer simulation of the viral infection process

16 June 2021

Viral Video

Because the Flock House virus (FHV) does not infect humans – it prefers insects – yet is related to other RNA non-enveloped viruses that do, it's a safe alternative for investigating how such viruses enter cells, commandeer their machinery, and wreak havoc. Through extensive molecular and genetic investigations of FHV scientists have generated highly detailed data – enough to enable powerful computer simulations of the virus that provide yet further insights into its antics. This video, for example, shows a simulation of the virus inside an endosome – a cellular entry compartment, a bit like a foyer. To gain access to the main part of the cell, the virus must hack its way through the endosome membrane with a 'molecular knife' – the tiny yellow protein wiggling out of centre of the virus. Such accurate modelling of the process is invaluable for clarifying how such viruses get in, and also how to stop them.

Written by Ruth Williams

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BPoD stands for Biomedical Picture of the Day. Managed by the MRC Laboratory of Medical Sciences until Jul 2023, it is now run independently by a dedicated team of scientists and writers. The website aims to engage everyone, young and old, in the wonders of biology, and its influence on medicine. The ever-growing archive of more than 4000 research images documents over a decade of progress. Explore the collection and see what you discover. Images are kindly provided for inclusion on this website through the generosity of scientists across the globe.

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