Article
Isolation and molecular characterization of a poliovirus type 1 mutant that replicates in the spinal cords of mice.
Journal of virology - 1 Jul 1999
Jia Q, Ohka S, Iwasaki K, Tohyama K, Nomoto A
Abstract excerpt
The Mahoney strain of poliovirus type 1 (OM) is generally unable to cause paralysis in mice. We isolated a mouse-adapted mutant, PV1/OM-SA (SA), from the spinal cord of a mouse that had been intracerebrally inoculated with OM. SA showed mouse neurovirulence only with intraspinal inoculation, and the infected mice developed a flaccid paralysis, which was indistinguishable from that observed in poliovirus-sensitive...
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