A mutation as minute as swapping just one amino acid can completely change the target that a virus will bind to on a victim cell -- potentially shifting what kind of cell and eventually what kind of organism a virus could infect.
Fuente : http://www.eurekalert.org/pub_releases/2013-10/bu-...
Fuente : http://www.eurekalert.org/pub_releases/2013-10/bu-...