Saturday Cinema – Viruses
Saturday, February 13th, 2010Not 100% acurate, but pretty and a good starting point if you’re just learning about viruses.
Not 100% acurate, but pretty and a good starting point if you’re just learning about viruses.
All viruses need to get into host cells, and eventually, get out of them again. Because of the cell wall, plant viruses face particular problems getting into cells, but we’ll think about them another time. To get into cells, most animal viruses use endocytosis, the process by which cells absorb molecules (such as proteins) from outside. Which brings us to clathrin, shown in this excellent video:
Budding or exocytosis of virus particles (at least, the ones which don’t cheat by causing lysis of infected cells) also involves the cytoskeleton, all of which make clathrin a pretty important molecule for animal viruses.
Related:
XVIVO has created a nice animation of influenza virus replication. There are a few small points which are not strictly accurate, but overall, this gives very good impression of the processes which go on which cells are infected with influenza virus.
Related:
Short Disney film (The Winged Scourge, 1943):
via Twisted Bacteria, via Microbeworld
Nice video from the University of Wolverhampton: