tokens: Various cellular stress agents like ionizing radiation exposure could activate human immunodeficiency virus type 1 ( HIV- 1 ) replication or reporter gene expression .
folded_tokens: various cellular stress agents like ionizing radiation exposure could activate human immunodeficiency virus type 1 ( hiv- 1 ) replication or reporter gene expression .
labels: O B-other_name I-other_name I-other_name O B-other_name I-other_name O O O B-virus I-virus I-virus I-virus I-virus O B-virus I-virus O O O B-DNA_family_or_group I-DNA_family_or_group O O