Article
Pyrimidine-rich region mutations compensate for a stem-loop V lesion in the 5' noncoding region of poliovirus genomic RNA.
Virology - 25 Nov 1999
Stewart S R, Semler B L
Abstract excerpt
Five revertants of a linker-scanning mutation adjacent to the stem-loop V attenuation determinant (X472) in the 5' noncoding region of poliovirus RNA were independently isolated from neuroblastoma cells and contained RNAs with seven nucleotide changes in the pyrimidine-rich region. Generation of the identical rare second-site mutations suggests the existence of a replicase-dependent mutagenesis mechanism during...
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