An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NAL Agricultural Thesaurus
U.S. Department of Agriculture
Warning: Attempt to read property "lang" on string in SkosmosClient\Concept->getValueForLang() (line 430 of /app/drupal/agclass/vendor/dcameron/skosmos_client/src/Concept.php).

Concept Breadcrumbs

Fields of Study > genetics > molecular genetics > nucleic acids > DNA > circular DNA > plasmids
Research, Technology, Methods > research > animal research > chemical substances > biochemical compounds > nucleic acids, nucleosides and nucleotides > nucleic acids > DNA > circular DNA > plasmids
Fields of Study > biochemistry > biochemical compounds > nucleic acids, nucleosides and nucleotides > nucleic acids > DNA > circular DNA > plasmids
Preferred Term:

plasmids

Definition:
Extrachromosomal, usually circular DNA molecules that are self-replicating and transferable from one organism to another. They are found in a variety of bacterial, archaeal, fungal, algal, and plant species. They are used in genetic engineering as cloning vectors.
Concept Schemes:
NALT Full
https://lod.nal.usda.gov/nalt-core
Broader Concept:
circular DNA
Related Concepts:
Entry Terms:
  • megaplasmids
  • plasmid DNA
  • episomes
URI:
https://lod.nal.usda.gov/nalt/26356
Download this Concept:
RDF/XMLCreated 2006-01-19, last modified 2017-04-20
Closely Matching Concepts:
Exactly Matching Concepts: