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J Virol. 1980 April; 34(1): 73-84

Comparative biochemical studies of type 3 poliovirus.

P D Minor

ABSTRACT

A study of the biochemistry of type 3 poliovirus strains which involves the examination of the virus-coded polypeptides in infected cells and the preparation of oligonucleotide maps is reported. The polypeptide patterns were shown to be a relatively stable property of virus strains and distinguished Sabin vaccine strains from wild strains of poliovirus type 3. This approach may be of value in deciding the origin (vaccine or nonvaccine) of field isolates of poliovirus. Oligonucleotide maps were found to be sensitive indicators of differences among strains and appear to form a basis for determining genetic relationships among strains. The nucleotide maps of two viruses isolated from human cases of paralytic poliomyelitis temporally associated with the administration of attenuated vaccine suggested a vaccine origin for the strain. In one case the nucleotide map was indistinguishable from that of the vaccine strain.


J Virol. 1980 April; 34(1): 73-84




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