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Concept Breadcrumbs

Preferred Term:

supercoiled DNA

Definition:
Circular duplex DNA isolated from viruses, bacteria and mitochondria in supercoiled or supertwisted form. This superhelical DNA is endowed with free energy. During transcription, the magnitude of RNA initiation is proportional to the DNA superhelicity.
Concept Schemes:
NALT Full
Broader Concept:
Entry Terms:
  • supertwisted DNA
  • superhelical DNA
URI:
https://lod.nal.usda.gov/nalt/221904
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RDF/XMLCreated 2014-07-15, last modified 2014-11-17