HTLV-I encodes an essential 40-kDa protein termed Tax that not only transactivates the long terminal repeat of this retrovirus but also induces an array of cellular genes .
htlv-i encodes an essential 40-kda protein termed tax that not only transactivates the long terminal repeat of this retrovirus but also induces an array of cellular genes .
B-virus O O O B-protein_molecule I-protein_molecule O B-protein_molecule O O O O O O O O O O B-virus O O O O O O B-DNA_family_or_group I-DNA_family_or_group O