The transactivator ( IE-2 ) gene of the human cytomegalovirus ( CMV ) can enhance HIV-2 as well as HIV-1 gene expression in vitro .
the transactivator ( ie-2 ) gene of the human cytomegalovirus ( cmv ) can enhance hiv-2 as well as hiv-1 gene expression in vitro .
O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O B-virus O B-virus O O O B-virus O O O B-virus O O O O O