tokens: Using reporter gene constructs driven by the CD4 promoter , we report that HHV-6 can efficiently transactivate such genetic elements .
folded_tokens: using reporter gene constructs driven by the cd4 promoter , we report that hhv-6 can efficiently transactivate such genetic elements .
labels: O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O B-virus O O O O B-DNA_family_or_group I-DNA_family_or_group O