Results 71 to 80 of about 17,352,598 (197)
Orphan Toxin OrtT (YdcX) of Escherichia coli Reduces Growth during the Stringent Response
Toxins, 2015 Toxin/antitoxin (TA) systems are nearly universal in prokaryotes; toxins are paired with antitoxins which inactivate them until the toxins are utilized. Here we explore whether toxins may function alone; i.e., whether a toxin which lacks a corresponding ...
Sabina Islam +2 more
doaj +1 more source
HEPN-MNT Toxin-Antitoxin System: The HEPN Ribonuclease Is Neutralized by OligoAMPylation.
Molecules and Cells, 2020 Prokaryotic toxin-antitoxin (TA) systems are composed of a toxin capable of interfering with key cellular processes and its neutralizing antidote, the antitoxin. Here, we focus on the HEPN-MNT TA system encoded in the vicinity of a subtype I-D CRISPR-Cas
I. Songailienė +7 more
semanticscholar +1 more source
Microorganisms, 2021 The analysis of bacterial genomes is a potent tool to investigate the distribution of specific traits related to the ability of surviving in particular environments.
Alessia Levante +7 more
semanticscholar +1 more source
Advanced Science, EarlyView.Cryo‐electron microscopy structures reveal two distinct neutralization mechanisms of fully human monoclonal antibodies targeting the Shiga toxin 1a B subunit. RDS059 occludes the Gb3 receptor‐binding site, whereas RDS045 engages a lateral quaternary epitope to disrupt holotoxin assembly.
Jianting Ke +10 more
wiley +1 more source
mBio, 2021 Transcriptional regulation of bacterial toxin-antitoxin (TA) systems allows compensation of toxin and antitoxin proteins to maintain a neutral state and avoid cell intoxication unless TA genes are lost. Such models have been primarily studied in plasmids,
D. Jurėnas +9 more
semanticscholar +1 more source
The Collective Power of Bacteria as a Blueprint for Emergent Intelligence
Advanced Intelligent Systems, EarlyView.Small cells, powerful collectives. Bacteria demonstrate how sophisticated behaviors can emerge from many simple individuals working together. We explore the remarkable world of bacterial communities and the mechanisms that underpin their complex emergent behaviors, enabling impressive adaptability, robustness, and responsiveness to changing ...
Johanna A. Blee +2 more
wiley +1 more source
The Biochemistry of VapBC Toxin-Antitoxins [PDF]
, 2011 The VapBC toxin-antitoxin (TA) systems were first identified in 2005 and little is known about their contemporary biological function, despite the fact that VapBC TAs are the largest TA family and are widespread in bacteria and archaea (Arcus, Rainey ...
McKenzie, Joanna Leigh
core
Characterization of HicAB toxin-antitoxin module of Sinorhizobium meliloti
BMC Microbiology, 2019 Background Toxin-antitoxin (TA) systems are little genetic units generally composed of two genes encoding antitoxin and toxin. These systems are known to be involved in many functions that can lead to growth arrest and cell death.
Manon Thomet +3 more
doaj +1 more source
MazEF Toxin-Antitoxin System-Mediated DNA Damage Stress Response in Deinococcus radiodurans
Frontiers in Genetics, 2021 Deinococcus radiodurans shows marked resistance to various types of DNA-damaging agents, including mitomycin C (MMC). A type II toxin-antitoxin (TA) system that responds to DNA damage stress was identified in D.
Jingli Dai +9 more
semanticscholar +1 more source
Vaginal host–microbe signatures linked to placental outcomes in mares
Equine Veterinary Journal, EarlyView.Abstract Background Ascending placentitis is a leading cause of late‐term pregnancy loss in mares. Although pathogens are presumed to ascend from the caudal reproductive tract, the association between the vaginal microbiome and placentitis has not been systematically examined.
Machteld van Heule +7 more
wiley +1 more source