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Reporter genes are genes that will be attached to a specific gene under investigation. It is used to verify if a certain gene was taken up by an organism of interest or if it was expressed in a cell. Reporter genes are easier detectable through the characteristics they confer to the host organism. Typical reporter genes are those that encode fluorescent and luminescent proteins like GFP (green fluorescent protein). These proteins are visually detectable. A reporter gene is usually transplanted together with the gene of interest in a so called DNA construct (generally a plasmid) into the cell.

 

Shuman, H.A. & Silhavy, T.J.: The art and design of genetic screens: Escherichia coli. In: Nat. Rev. Genet. Bd. 4, S. 419-31 (2003).
Kain, S.R. & Ganguly S.: Overview of Genetic Reporter Systems In: Current Protocols in Molecular Biology 2001 May; Chapter 9: Unit 9.6

 

Source: www.mosbio.eu