The critical role of RNA processing and degradation in the control of gene expression

CM Arraiano, JM Andrade, S Domingues… - FEMS microbiology …, 2010‏ - academic.oup.com
The continuous degradation and synthesis of prokaryotic mRNAs not only give rise to the
metabolic changes that are required as cells grow and divide but also rapid adaptation to …

The tmRNA system for translational surveillance and ribosome rescue

SD Moore, RT Sauer - Annu. Rev. Biochem., 2007‏ - annualreviews.org
The tmRNA system performs translational surveillance and ribosome rescue in all
eubacteria and some eukaryotic organelles. This system intervenes when ribosomes read to …

The role of RNases in the regulation of small RNAs

M Saramago, C Bárria, RF Dos Santos, IJ Silva… - Current opinion in …, 2014‏ - Elsevier
Highlights•Bacterial RNases control sRNA-mediated negative and positive
regulation.•RNase III can simultaneously cleave the sRNAs and their respective mRNA …

RNase R degrades non‐stop mRNAs selectively in an SmpB‐tmRNA‐dependent manner

J Richards, P Mehta, AW Karzai - Molecular microbiology, 2006‏ - Wiley Online Library
The SmpB‐tmRNA‐mediated trans‐translation system has two well‐established activities:
rescuing ribosomes stalled on aberrant mRNAs and marking the associated protein …

tmRNA-mediated trans-translation as the major ribosome rescue system in a bacterial cell

H Himeno, D Kurita, A Muto - Frontiers in genetics, 2014‏ - frontiersin.org
Transfer messenger RNA (tmRNA; also known as 10Sa RNA or SsrA RNA) is a small RNA
molecule that is conserved among bacteria. It has structural and functional similarities to …

The role of 3′–5′ exoribonucleases in RNA degradation

JM Andrade, V Pobre, IJ Silva, S Domingues… - Progress in molecular …, 2009‏ - Elsevier
RNA degradation is a major process controlling RNA levels and plays a central role in cell
metabolism. From the labile messenger RNA to the more stable noncoding RNAs (mostly …

An RNA degradosome assembly in Caulobacter crescentus

SW Hardwick, VSY Chan, RW Broadhurst… - Nucleic acids …, 2011‏ - academic.oup.com
In many bacterial species, the multi-enzyme RNA degradosome assembly makes key
contributions to RNA metabolism. Powering the turnover of RNA and the processing of …

An overview of the bacterial SsrA system modulating intracellular protein levels and activities

J Fritze, M Zhang, Q Luo, X Lu - Applied microbiology and biotechnology, 2020‏ - Springer
In bacteria, the truncated forms of mRNAs, which usually lack a stop codon, are occasionally
generated by premature termination of gene transcription and/or endo-or exonucleolytic …

Trans-Translation:  The tmRNA-Mediated Surveillance Mechanism for Ribosome Rescue, Directed Protein Degradation, and Nonstop mRNA Decay

D Dulebohn, J Choy, T Sundermeier, N Okan… - Biochemistry, 2007‏ - ACS Publications
The accurate flow of genetic information from DNA to RNA to protein is essential for all living
organisms. An astonishing array of quality-assurance mechanisms have evolved to ensure …

Elevation of RNase R in response to multiple stress conditions

C Chen, MP Deutscher - Journal of Biological Chemistry, 2005‏ - jbc.org
Cells respond to adverse environmental conditions by synthesizing new proteins or
elevating the levels of pre-existing ones that are needed to cope with the particular stress …