The T-box riboswitch: tRNA as an effector to modulate gene regulation

KD Kreuzer, TM Henkin - Microbiology spectrum, 2018 - Am Soc Microbiol
The T-box riboswitch is a unique, RNA-based regulatory mechanism that modulates
expression of a wide variety of amino acid-related genes, predominantly in Firmicutes. RNAs …

An evolving tale of two interacting RNAs—themes and variations of the T‐box riboswitch mechanism

KC Suddala, J Zhang - IUBMB life, 2019 - Wiley Online Library
T‐box riboswitches are a widespread class of structured noncoding RNAs in Gram‐positive
bacteria that regulate the expression of amino acid‐related genes. They form negative …

Structural basis of amino acid surveillance by higher-order tRNA-mRNA interactions

S Li, Z Su, J Lehmann, V Stamatopoulou… - Nature structural & …, 2019 - nature.com
Amino acid availability in Gram-positive bacteria is monitored by T-box riboswitches. T-
boxes directly bind tRNAs, assess their aminoacylation state, and regulate the transcription …

Hierarchical mechanism of amino acid sensing by the T-box riboswitch

KC Suddala, J Cabello-Villegas, M Michnicka… - Nature …, 2018 - nature.com
In Gram-positive bacteria, T-box riboswitches control gene expression to maintain the
cellular pools of aminoacylated tRNAs essential for protein biosynthesis. Co-transcriptional …

Specific structural elements of the T-box riboswitch drive the two-step binding of the tRNA ligand

J Zhang, B Chetnani, ED Cormack, D Alonso, W Liu… - Elife, 2018 - elifesciences.org
T-box riboswitches are cis-regulatory RNA elements that regulate the expression of proteins
involved in amino acid biosynthesis and transport by binding to specific tRNAs and sensing …

New tRNA contacts facilitate ligand binding in a Mycobacterium smegmatis T box riboswitch

AV Sherwood, JK Frandsen… - Proceedings of the …, 2018 - National Acad Sciences
T box riboswitches are RNA regulatory elements widely used by organisms in the phyla
Firmicutes and Actinobacteria to regulate expression of amino acid-related genes …

tRNA Fusion to Streamline RNA structure determination: case studies in probing Aminoacyl-tRNA sensing mechanisms by the T-Box Riboswitch

JC Grigg, IR Price, A Ke - Crystals, 2022 - mdpi.com
RNAs are prone to misfolding and are often more challenging to crystallize and phase than
proteins. Here, we demonstrate that tRNA fusion can streamline the crystallization and …

[图书][B] Biochemical Analysis of Dual T-Loop RNA Motifs that Perform Shape Recognition of the tRNA Elbow

JA Aguirre - 2021 - search.proquest.com
T-loops are highly abundant, structurally conserved five nucleotide motifs that facilitate long
range intra-and intermolecular interactions and function to stabilize the tertiary fold of RNA …

Combining Primary Specificity Screenings for Drug Discovery Targeting T-box Antiterminator RNA

MT Myers - 2021 - rave.ohiolink.edu
As the threat of antibiotic resistant infections and outbreaks looms, there has been a
reinvigorated interest in identifying new therapeutics to target alternative targets in species …

Revealing RNA Dynamics and Processing Using Advanced Microscopy Techniques

J Zhang - 2021 - search.proquest.com
RNA mediated gene regulation has emerged as more and more important roles in central
dogma. It has expanded the complexity of gene regulation at multiple different aspects. A …