interrelationships among number of plasmids per cell , induction of expression of a plasmid gene , and recombinant population growth rate have been experimentally delineated for saccharomyces cerevisiae containing plasmid plgsd5 and derivatives in which the 2-micron origin of replication has been replaced by a cloned ars1 sequence or its deletion fragments .
C0007634
cell
C0242961
origin of replication