The three jun genes showed a similar time course in their induction by PMA , maximal mRNA levels being reached after 60 min of induction .
the three jun genes showed a similar time course in their induction by pma , maximal mrna levels being reached after 60 min of induction .
O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O B-other_organic_compound O B-other_name I-other_name I-other_name O O O O O O O O