Adaptation of Theiler's virus to L929 cells: mutations in the putative receptor binding site on the capsid map to neutralization sites and modulate viral persistence.

Abstract excerpt

Persistent strains of Theiler's virus, a murine picornavirus, produce a life-long infection of the central nervous system of the mouse and induce a chronic demyelinating disease. Strain DA1, a molecular clone of such a persistent strain, produces a prominent cytopathic effect in BHK-21 cells but is less efficient at infecting L929 cells. We cloned the cDNA of a derivative of virus DA1, adapted to promote a rapid...

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