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  • Title: SV40 recombinants carrying a functional RNA splice junction and polyadenylation site from the chromosomal mouse beta maj globin gene.
    Author: Hamer DH, Leder P.
    Journal: Cell; 1979 Jul; 17(3):737-47. PubMed ID: 225044.
    Abstract:
    We have introduced a fragment of the chromosomal mouse beta major globin gene into SV40 and used the resultant hybrid virus to infect cultured monkey kidney cells. The mouse DNA fragment, which contains an intervening sequence and a poly(A) addition site, has been inserted in both possible orientations relative to the SV40 late region promoter. While the fragment is transcribed regardless of orientation, the RNA splice signal and poly(A) addition site are utilized only when the fragment is inserted in the "sense" orientation. Thus genomic mouse signals for both splicing and polyadenylation are recognized across species boundaries. Furthermore, since only an 18 bp segment was included on the 5' border of the intervening sequence, we can define a maximum length for this splice signal.
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