Viable deletion mutant in the medium and large T-antigen-coding sequences of the polyoma virus genome.

AUTOR(ES)
RESUMO

A polyoma virus mutant that maps in the early region between the known hr-t and ts-a mutants has been isolated. Its 66-base-pair deletion results in structural changes in both medium and large T-antigens but causes no substantial alterations in viral replication or cell transformation.

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