Changed in translation: mRNA recoding by-1 programmed ribosomal frameshifting
2015 | review. A publication with affiliation to the University of Göttingen.
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- Authors
- Caliskan, Neva ; Peske, Frank ; Rodnina, Marina V.
- Abstract
- Programmed -1 ribosomal frameshifting (-1PRF) is an mRNA recoding event commonly utilized by viruses and bacteria to increase the information content of their genomes. Recent results have implicated -1PRF in quality control of mRNA and DNA stability in eukaryotes. Biophysical experiments demonstrated that the ribosome changes the reading frame while attempting to move over a slippery sequence of the mRNA - when a roadblockformed by a folded downstream segment in the mRNA stalls the ribosome in a metastable conformational state. The efficiency of -1PRF is modulated not only by cis-regulatory elements in the mRNA but also by transacting factors such as proteins, miRNAs, and antibiotics. These recent results suggest a molecular mechanism and new important cellular roles for -1PRF.
- Issue Date
- 2015
- Journal
- Trends in Biochemical Sciences
- ISSN
- 0968-0004
- Language
- English