Definition of expression.html

The cellular production of the protein encoded by a particular gene. The process includes transcriptionof DNA, processing of the resulting mRNA product and its translation into an active protein.

N.B. A recombinant gene inserted into a host cell by means of a vector is said to be expressed if the synthesis of the encoded polypeptide can be demonstrated. For the expression of metalloproteins usually other gene products will be required.

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