RNA degradation in Saccharomyces cerevisae - PubMed (original) (raw)

Review

RNA degradation in Saccharomyces cerevisae

Roy Parker. Genetics. 2012 Jul.

Abstract

All RNA species in yeast cells are subject to turnover. Work over the past 20 years has defined degradation mechanisms for messenger RNAs, transfer RNAs, ribosomal RNAs, and noncoding RNAs. In addition, numerous quality control mechanisms that target aberrant RNAs have been identified. Generally, each decay mechanism contains factors that funnel RNA substrates to abundant exo- and/or endonucleases. Key issues for future work include determining the mechanisms that control the specificity of RNA degradation and how RNA degradation processes interact with translation, RNA transport, and other cellular processes.

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Figures

Figure 1

(A) General mRNA decay pathways. (B) Specialized mRNA decay pathways.

Figure 2

Model for mRNA decapping.

Figure 3

Model for the nonsense-mediated decay.

Figure 4

Model for no-go decay.

Figure 5

Model for non-stop decay.

Figure 6

Mechanisms of degradation for unspliced pre-mRNAs.

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RNA degradation in Saccharomyces cerevisae - PubMed (original) (raw)