Mappings of adenovirus type 7 cytoplasmic RNA species synthesized early in lytically infected cells and synthesized in transformed cells.

Early virus-specific RNA synthesized in KB cells infected with adenovirus type 7 and virus-specific RNA synthesized in rat embryo cells (71JY1-2) transformed by the adenovirus type 7 HindIII-I.J fragment (left-hand 8.1% of the viral genome) have been mapped on the viral genome. About 25% of the viral genome, four discrete regions, two on each strand of the viral genome, are expressed as "early" mRNA. Almost similar regions in the left-hand 8.1% of the viral genome are transcribed both in KB cells at early times after infection and in 71JY1-2 cells.