Plasmid
- Pronunciation
- /PLAS-mid/
- Category
- Genetics
- Singular
- Plasmid
- Plural
- Plasmids
Definition
A small, circular DNA molecule that replicates independently of a bacterial chromosome. They can carry genes that confer antibiotic resistance or other beneficial traits.
Etymology
From Latin 'plasma', meaning 'plasma' and '-id', indicating a related entity.
Example
The plasmid carrying the gene for antibiotic resistance was introduced into the bacteria.
Related Terms
- Vector
- Transformation
- Antibiotic resistance