Identification of an enhancer-type sequence that is responsive to Z and R trans-activators of Epstein-Barr virus.
We studied the regulatory region of the open reading frame BHRF1 of Epstein-Barr virus (EBV) DNA that was responsive to two trans-activators (Z and R) encoded by the BZLF1 and BRLF1, respectively. The 200-bp sequence, nucleotide numbers 53,617 to 53,817 on the EBV map, was sufficient for conferring responsiveness to Z and R. This 200-bp sequence also enhanced expression of the chloramphenicol acetyltransferase (CAT) gene from the simian virus 40 promoter in response to both Z and R, even when inserted downstream of the cat gene. The results indicate that the Z and R response sequence upstream of the BHRF1 has the properties of an enhancer.
Shimizu
N
N
Department of Microbiology, Nihon University School of Medicine, Tokyo, Japan.
Sakuma
S
S
Ono
Y
Y
Takada
K
K
D001483:Base Sequence; D002460:Cell Line; D015500:Chloramphenicol O-Acetyltransferase / Q000032:analysis / Q000235:genetics; D004279:DNA, Viral / Q000235:genetics*; D004742:Enhancer Elements, Genetic; D004854:Herpesvirus 4, Human / Q000235:genetics*; D006801:Humans; D011401:Promoter Regions, Genetic; D015183:Restriction Mapping; D015534:Trans-Activators / Q000235:genetics*; D014162:Transfection
D004279:DNA, Viral; D015534:Trans-Activators; D015500:Chloramphenicol O-Acetyltransferase