expression library

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ex·pres·sion li·brar·y

a collection of plasmids or phages containing a representative sample of cDNA or genomic fragments that are constructed in such a way that they will be transcribed and translated by the host organism (usually bacteria).


1. the aspect or appearance of the face as determined by the physical or emotional state.
2. the act of squeezing out or evacuating by pressure.
3. the manifestation of a heritable trait in an individual carrying the gene or genes which determine it.

expression library
a number of different DNA molecules cloned into a single expression vector.
expression vector
a cloning vector that carries a gene into the host cell and promotes its expression.
References in periodicals archive ?
Our shRNA (small hairpin RNA) expression library approach using the cDNA of genes is a faster method than the synthetic oligo-based plasmid construction method.
To address these difficulties, a multivalent genetic vaccine or "live genetic vaccine" was recently developed against HIV-1 using the expression library immunization (ELI) approach.