cDNA Library

Pronunciation
/SEE-dee-nay LIE-brer-ee/
Category
Molecular Biology
Singular
cDNA Library
Plural
cDNA Libraries

Definition

A collection of DNA fragments representing a subset of the genes expressed in a particular cell or tissue.

Etymology

From 'complementary DNA' and 'library'.

Example

A cDNA library from a muscle tissue would contain predominantly genes expressed in muscle cells.

Related Terms

  • Gene expression
  • Cloning
  • Reverse transcription

Usage Notes

cDNA libraries are constructed by reverse transcribing mRNA into complementary DNA (cDNA), which can then be cloned and studied.