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Journal Article

Mechanisms and biomedical implications of –1 programmed ribosome frameshifting on viral and bacterial mRNAs.

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Korniy,  N.
Department of Physical Biochemistry, MPI for biophysical chemistry, Max Planck Society;

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Samatova,  E. N.
Department of Physical Biochemistry, MPI for biophysical chemistry, Max Planck Society;

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Peske,  F.
Department of Physical Biochemistry, MPI for biophysical chemistry, Max Planck Society;

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Rodnina,  M. V.
Department of Physical Biochemistry, MPI for biophysical chemistry, Max Planck Society;

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Citation

Korniy, N., Samatova, E. N., Anokhina, M. M., Peske, F., & Rodnina, M. V. (2019). Mechanisms and biomedical implications of –1 programmed ribosome frameshifting on viral and bacterial mRNAs. FEBS Letters, 593(13), 1468-1482. doi:10.1002/1873-3468.13478.


Cite as: https://hdl.handle.net/21.11116/0000-0003-CC5E-F
Abstract
Some proteins are expressed as a result of a ribosome frameshifting event that is facilitated by a slippery site and downstream secondary structure elements in the mRNA. This review summarizes recent progress in understanding mechanisms of –1 frameshifting in several viral genes, including IBV 1a/1b, HIV‐1 gag‐pol, and SFV 6K, and in E. coli dnaX. The exact frameshifting route depends on the availability of aminoacyl‐tRNAs: the ribosome normally slips into the –1‐frame during tRNA translocation, but can also frameshift during decoding at condition when aminoacyl‐tRNA is in limited supply. Different frameshifting routes and additional slippery sites allow viruses to maintain a constant production of their key proteins. The emerging idea that tRNA pools are important for frameshifting provides new direction for developing antiviral therapies.