Small RNAs in bacteria and archaea: who they are, what they do, and how they do it

EGH Wagner, P Romby - Advances in genetics, 2015 - Elsevier
Small RNAs are ubiquitously present regulators in all kingdoms of life. Most bacterial and
archaeal small RNAs (sRNAs) act by antisense mechanisms on multiple target mRNAs …

Hfq chaperone brings speed dating to bacterial sRNA

A Santiago‐Frangos… - Wiley Interdisciplinary …, 2018 - Wiley Online Library
Hfq is a ubiquitous, Sm‐like RNA binding protein found in most bacteria and some archaea.
Hfq binds small regulatory RNAs (sRNAs), facilitates base pairing between sRNAs and their …

Unraveling RNA conformation dynamics in mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episode syndrome with solid-state nanopores

S Namani, K Kavetsky, CY Lin, S Maharjan… - ACS …, 2024 - ACS Publications
This study investigates transfer ribonucleic acid (tRNA) conformational dynamics in the
context of MELAS (mitochondrial encephalomyopathy, lactic acidosis, and stroke-like …

Positive regulation by small RNAs and the role of Hfq

T Soper, P Mandin, N Majdalani… - Proceedings of the …, 2010 - National Acad Sciences
Bacterial small noncoding RNAs carry out both positive and negative regulation of gene
expression by pairing with mRNAs; in Escherichia coli, this regulation often requires the …

The Single-Nucleotide Resolution Transcriptome of Pseudomonas aeruginosa Grown in Body Temperature

O Wurtzel, DR Yoder-Himes, K Han, AA Dandekar… - 2012 - journals.plos.org
One of the hallmarks of opportunistic pathogens is their ability to adjust and respond to a
wide range of environmental and host-associated conditions. The human pathogen …

Modulation of pre-mRNA structure by hnRNP proteins regulates alternative splicing of MALT1

AN Jones, C Graß, I Meininger, A Geerlof… - Science …, 2022 - science.org
Alternative splicing plays key roles for cell type–specific regulation of protein function. It is
controlled by cis-regulatory RNA elements that are recognized by RNA binding proteins …

C-terminal domain of the RNA chaperone Hfq drives sRNA competition and release of target RNA

A Santiago-Frangos, K Kavita… - Proceedings of the …, 2016 - National Acad Sciences
The bacterial Sm protein and RNA chaperone Hfq stabilizes small noncoding RNAs
(sRNAs) and facilitates their annealing to mRNA targets involved in stress tolerance and …

Proteins that chaperone RNA regulation

SA Woodson, S Panja… - Microbiology …, 2018 - Am Soc Microbiol
ABSTRACT RNA-binding proteins chaperone the biological functions of noncoding RNA by
reducing RNA misfolding, improving matchmaking between regulatory RNA and targets, and …

RNAs actively cycle on the Sm-like protein Hfq

A Fender, J Elf, K Hampel, B Zimmermann… - Genes & …, 2010 - genesdev.cshlp.org
Hfq, a protein required for small RNA (sRNA)-mediated regulation in bacteria, binds RNA
with low-nanomolar Kd values and long half-lives of complexes (> 100 min). This cannot be …

The core and accessory Hfq interactomes across Pseudomonas aeruginosa lineages

J Trouillon, K Han, I Attrée, S Lory - Nature Communications, 2022 - nature.com
The major RNA-binding protein Hfq interacts with mRNAs, either alone or together with
regulatory small noncoding RNAs (sRNAs), affecting mRNA translation and degradation in …