Article
Precise missense and silent point mutations are fixed in the genomes of poliovirus mutants from persistently infected cells.
Journal of virology - 1 May 1993
Borzakian S, Pelletier I, Calvez V, Colbere-Garapin F
Abstract excerpt
Poliovirus mutants selected in persistently infected human neuroblastoma cells have a modified cell tropism and can establish a secondary persistent infection in nonneural cells, such as HEp-2c cells. Nucleotide sequence analysis revealed that the genome of a persistent mutant, S11, differed from that of the parental lytic Sabin 1 poliovirus strain by 31 point mutations. Three mutations occurred in the noncoding...
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