Search Results - "Kurata, Tatsuaki"
-
1
A widespread toxin−antitoxin system exploiting growth control via alarmone signaling
Published in Proceedings of the National Academy of Sciences - PNAS (12-05-2020)“…Under stressful conditions, bacterial RelA-SpoT Homolog (RSH) enzymes synthesize the alarmone (p)ppGpp, a nucleotide second messenger. (p)ppGpp rewires…”
Get full text
Journal Article -
2
RelA-SpoT Homolog toxins pyrophosphorylate the CCA end of tRNA to inhibit protein synthesis
Published in Molecular cell (05-08-2021)“…RelA-SpoT Homolog (RSH) enzymes control bacterial physiology through synthesis and degradation of the nucleotide alarmone (p)ppGpp. We recently discovered…”
Get full text
Journal Article -
3
Structural basis for HflXr-mediated antibiotic resistance in Listeria monocytogenes
Published in Nucleic acids research (28-10-2022)“…Abstract HflX is a ubiquitous bacterial GTPase that splits and recycles stressed ribosomes. In addition to HflX, Listeria monocytogenes contains a second HflX…”
Get full text
Journal Article -
4
Expression of Bacillus subtilis ABCF antibiotic resistance factor VmlR is regulated by RNA polymerase pausing, transcription attenuation, translation attenuation and (p)ppGpp
Published in Nucleic acids research (24-06-2022)“…Since antibiotic resistance is often associated with a fitness cost, bacteria employ multi-layered regulatory mechanisms to ensure that expression of…”
Get full text
Journal Article -
5
Identification of the Set of Genes, Including Nonannotated morA, under the Direct Control of ModE in Escherichia coli
Published in Journal of Bacteriology (01-10-2013)“…ModE is the molybdate-sensing transcription regulator that controls the expression of genes related to molybdate homeostasis in Escherichia coli. ModE is…”
Get full text
Journal Article -
6
Direct activation of a bacterial innate immune system by a viral capsid protein
Published in Nature (London) (01-12-2022)“…Bacteria have evolved diverse immunity mechanisms to protect themselves against the constant onslaught of bacteriophages 1 – 3 . Similar to how eukaryotic…”
Get full text
Journal Article -
7
Mechanisms of neutralization of toxSAS from toxin-antitoxin modules
Published in Nature chemical biology (04-06-2024)“…Toxic small alarmone synthetase (toxSAS) enzymes constitute a family of bacterial effectors present in toxin-antitoxin and secretion systems. toxSASs act…”
Get full text
Journal Article -
8
Clinically observed deletions in SARS‐CoV‐2 Nsp1 affect its stability and ability to inhibit translation
Published in FEBS letters (01-05-2022)“…Nonstructural protein 1 (Nsp1) of SARS‐CoV‐2 inhibits host cell translation through an interaction between its C‐terminal domain and the 40S ribosome. The…”
Get full text
Journal Article -
9
A hyperpromiscuous antitoxin protein domain for the neutralization of diverse toxin domains
Published in Proceedings of the National Academy of Sciences - PNAS (08-02-2022)“…Toxin-antitoxin (TA) gene pairs are ubiquitous in microbial chromosomal genomes and plasmids as well as temperate bacteriophages. They act as regulatory…”
Get full text
Journal Article -
10
A virally encoded tRNA neutralizes the PARIS antiviral defence system
Published in Nature (London) (10-10-2024)“…Viruses compete with each other for limited cellular resources, and some deliver defence mechanisms that protect the host from competing genetic parasites1…”
Get full text
Journal Article -
11
A virally encoded tRNA neutralizes the PARIS antiviral defence system
Published in Nature (London) (10-10-2024)“…Viruses compete with each other for limited cellular resources, and some deliver defence mechanisms that protect the host from competing genetic parasites 1 …”
Get full text
Journal Article -
12
Biochemical and X-ray analyses of the players involved in the faRel 2/ aTfaRel 2 toxin–antitoxin operon
Published in Acta crystallographica. Section F, Structural biology communications (01-10-2023)“…The aTfaRel 2/ faRel 2 operon from Coprobacillus sp. D7 encodes a bicistronic type II toxin–antitoxin (TA) module. The FaRel2 toxin is a toxic small alarmone…”
Get full text
Journal Article -
13
Biochemical and X‐ray analyses of the players involved in the faRel2/aTfaRel2 toxin–antitoxin operon
Published in Acta crystallographica. Section F, Structural biology communications (01-10-2023)“…The aTfaRel2/faRel2 operon from Coprobacillus sp. D7 encodes a bicistronic type II toxin–antitoxin (TA) module. The FaRel2 toxin is a toxic small alarmone…”
Get full text
Journal Article -
14
The structural basis of hyperpromiscuity in a core combinatorial network of type II toxin-antitoxin and related phage defense systems
Published in Proceedings of the National Academy of Sciences - PNAS (15-08-2023)“…Toxin-antitoxin (TA) systems are a large group of small genetic modules found in prokaryotes and their mobile genetic elements. Type II TAs are encoded as…”
Get full text
Journal Article -
15
Mechanism of phage sensing and restriction by toxin-antitoxin-chaperone systems
Published in Cell host & microbe (10-07-2024)“…Toxin-antitoxins (TAs) are prokaryotic two-gene systems composed of a toxin neutralized by an antitoxin. Toxin-antitoxin-chaperone (TAC) systems additionally…”
Get more information
Journal Article -
16
Novel Essential Gene Involved in 16S rRNA Processing in Escherichia coli
Published in Journal of molecular biology (27-02-2015)“…Biogenesis of ribosomes is a complex process mediated by many factors. While its transcription proceeds, ribosomal RNA (rRNA) folds itself into a…”
Get full text
Journal Article -
17
Toxic small alarmone synthetase FaRel2 inhibits translation by pyrophosphorylating tRNA Gly and tRNA Thr
Published in Science advances (15-11-2024)“…Translation-targeting toxic small alarmone synthetases (toxSAS) are effectors of bacterial toxin-antitoxin systems that pyrophosphorylate the 3′-CCA end of…”
Get full text
Journal Article -
18
Toxic small alarmone synthetase FaRel2 inhibits translation by pyrophosphorylating tRNAGly and tRNAThr
Published in Science advances (15-11-2024)“…Translation-targeting toxic small alarmone synthetases (toxSAS) are effectors of bacterial toxin-antitoxin systems that pyrophosphorylate the 3'-CCA end of…”
Get full text
Journal Article