The BZLF1 gene promoter ( Zp ) was activated by crosslinking of cell surface immunoglobulin ( Ig ) with anti-Ig antibody in B cells , even in the absence of other viral genes .
the bzlf1 gene promoter ( zp ) was activated by crosslinking of cell surface immunoglobulin ( ig ) with anti-ig antibody in b cells , even in the absence of other viral genes .
O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group O O B-protein_family_or_group I-protein_family_or_group O B-cell_type I-cell_type O O O O O O O O O O