it differs from the system employed by sakakibara and tomizawa in two important points : ( 1 ) its replicative capacity for co1 e1 dna is by an order of magnitude higher and ( 2 ) it can be stored in liquid nitrogen for several months without loss of activity plasmid replication in vitro is dependent of dna polymerase i and requires de novo rna synthesis .
C0012854
dna
C0598312
replication