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Epstein-Barr Virus

Epstein-Barr virus studied, specific sites on origin of replication required

Published in Gene Therapy Weekly, January 6th, 2005

Researchers from Germany have reported on the low level of lytic replication in a recombinant Epstein-Barr virus carrying an origin of replication devoid of BZLF1-binding sites.

"Binding of the BZLF1 viral transactivator to Epstein-Barr virus (EBV) oriLyt has been reported to be essential for viral DNA replication," wrote R. Feederle and colleagues, German Cancer Research Center.

"We have constructed a recombinant virus (E2-oriLyt-R) in which the oriLyt BZLF1-binding sites (ZRE) were exchanged against papilloma E2-binding sites. A fusion protein between the BZLF1 protein-transactivating domain and the E2 protein-binding domain was able to reactivate...

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