primase(redirected from DnaG)
Also found in: Encyclopedia, Wikipedia.
A polymerase that acts on a template DNA strand to produce RNA, resulting in the formation of an RNA primer needed in RNA replication.
[primer + -ase]
Farlex Partner Medical Dictionary © Farlex 2012
primasean ENZYME that synthesizes RNA PRIMERS during DNA replication in bacteria and certain single-stranded DNA phages. The RNA primers can then be extended by DNA POLYMERASE (see DNA (b) REPLICATION).
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005