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. 2000 May;74(9):4064–4073. doi: 10.1128/jvi.74.9.4064-4073.2000

TABLE 2.

Transactivation of EFV promoters upon ORF1 expression and cross-reactivity between HFV and EFV

Construct Fold increasea
COS cells
ED cells
EFV Tas HFV Tas EFV Tas HFV Tas
pGL3basic 2 0.5 2 4
EFV LTR 1,058 1 260 2
EFV IP 184 ND 123 ND
EFV U3R 4,015 ND 1,141 ND
HFV LTR 2 40 2 2
a

Values are from three independent transfection experiments performed in duplicate. ND, not determined.