An acetyltransferase moonlights as a regulator of the RNA binding repertoire of the RNA chaperone Hfq in Escherichia coli

X Luo, A Zhang, CH Tai, J Chen… - Proceedings of the …, 2023 - National Acad Sciences
Bacterial small RNAs (sRNAs) regulate gene expression by base-pairing with their target
mRNAs. In Escherichia coli and many other bacteria, this process is dependent on the RNA …

Multiple in vivo roles for the C-terminal domain of the RNA chaperone Hfq

K Kavita, A Zhang, CH Tai, N Majdalani… - Nucleic Acids …, 2022 - academic.oup.com
Hfq, a bacterial RNA chaperone, stabilizes small regulatory RNAs (sRNAs) and facilitates
sRNA base-pairing with target mRNAs. Hfq has a conserved N-terminal domain and a …

Mechanism and physiological significance of autoregulation of the Escherichia coli hfq gene

T Morita, H Aiba - Rna, 2019 - rnajournal.cshlp.org
The RNA chaperone Hfq plays a critical role in sRNA-mediated gene regulation in enteric
bacteria. The major role of Hfq is to stimulate base-pairing between sRNAs and target …

New molecular interactions broaden the functions of the RNA chaperone Hfq

RF Dos Santos, CM Arraiano, JM Andrade - Current genetics, 2019 - Springer
The RNA chaperone Hfq is an important bacterial post-transcriptional regulator. Most studies
on Hfq are focused on the role of this protein on small non-coding RNAs (sRNAs) and …

Translational autocontrol of the Escherichia coli hfq RNA chaperone gene

B VEČEREK, I Moll, U Blaesi - Rna, 2005 - rnajournal.cshlp.org
The conserved bacterial RNA chaperone Hfq has been shown to play an important role in
post-transcriptional regulation. Here, we demonstrate that Hfq synthesis is autoregulated at …

Mutations in interaction surfaces differentially impact E. coli Hfq association with small RNAs and their mRNA targets

A Zhang, DJ Schu, BC Tjaden, G Storz… - Journal of molecular …, 2013 - Elsevier
The RNA chaperone protein Hfq is required for the function of all small RNAs (sRNAs) that
regulate mRNA stability or translation by limited base pairing in Escherichia coli. While there …

The C-terminal domain of Escherichia coli Hfq is required for regulation

B Večerek, L Rajkowitsch, E Sonnleitner… - Nucleic acids …, 2008 - academic.oup.com
The Escherichia coli RNA chaperone Hfq is involved in riboregulation of target mRNAs by
small trans-encoded non-coding (ncRNAs). Previous structural and genetic studies revealed …

Structural and Biochemical Studies on ATP Binding and Hydrolysis by the Escherichia coli RNA Chaperone Hfq

H Hämmerle, M Beich-Frandsen, B Večerek… - PLoS one, 2012 - journals.plos.org
In Escherichia coli the RNA chaperone Hfq is involved in riboregulation by assisting base-
pairing between small regulatory RNAs (sRNAs) and mRNA targets. Several structural and …

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 …

Dynamic interactions between the RNA chaperone Hfq, small regulatory RNAs, and mRNAs in live bacterial cells

S Park, K Prévost, EM Heideman, MC Carrier… - Elife, 2021 - elifesciences.org
RNA-binding proteins play myriad roles in regulating RNAs and RNA-mediated functions. In
bacteria, the RNA chaperone Hfq is an important post-transcriptional gene regulator. Using …