it was shown that the large single-stranded circular product included dna sequences homologous to a replication factor y effector sequence required for rf leads to rf and ss ( c ) leads to rf replication ( zipursky , s.l. , and marians , k.j . ( 1980 ) proc . natl . acad . sci . u.s.a. 77 , 6521-6525 ) .
C0012854
dna
C0598312
replication