MeSH Browser

MeSH Heading: Replication Origin
Tree Number(s): G05.360.340.024.220.760; G05.360.340.024.745.725
Unique ID: D018741
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D018741
Scope Note: A unique DNA sequence of a replicon at which DNA REPLICATION is initiated and proceeds bidirectionally or unidirectionally. It contains the sites where the first separation of the complementary strands occurs, a primer RNA is synthesized, and the switch from primer RNA to DNA synthesis takes place. (Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed)
Entry Term(s): Origin of Replication; ori Region
Previous Indexing: DNA Replication (1969-1994)
Public MeSH Note: 95
History Note: 95
Date Established: 1995/01/01
Date of Entry: 1994/04/19
Revision Date: 2009/07/06

Allowable Qualifiers: drug effects (DE)

genetics (GE)

immunology (IM)

physiology (PH)

radiation effects (RE)

Replication Origin MeSH Descriptor Data 2025