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. 1998 Apr;4(4):479–486.

A dual-luciferase reporter system for studying recoding signals.

G Grentzmann 1, J A Ingram 1, P J Kelly 1, R F Gesteland 1, J F Atkins 1
PMCID: PMC1369633  PMID: 9630253

Abstract

A new reporter system has been developed for measuring translation coupling efficiency of recoding mechanisms such as frameshifting or readthrough. A recoding test sequence is cloned in between the renilla and firefly luciferase reporter genes and the two luciferase activities are subsequently measured in the same tube. The normalized ratio of the two activities is proportional to the efficiency with which the ribosome "reads" the recoding signal making the transition from one open reading frame to the next. The internal control from measuring both activities provides a convenient and reliable assay of efficiency. This is the first enzymatic dual reporter assay suitable for in vitro translation. Translation signals can be tested in vivo and in vitro from a single construct, which allows an intimate comparison between the two systems. The assay is applicable for high throughput screening procedures. The dual-luciferase reporter system has been applied to in vivo and in vitro recoding of HIV-1 gag-pol, MMTV gag-pro, MuLV gag-pol, and human antizyme.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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