Results 31 to 40 of about 19,351 (174)
The Bacillus cereus spoIIS programmed cell death system
Frontiers in Microbiology, 2015 Programmed cell death in bacteria is generally associated with two¬ component toxin antitoxin systems. The SpoIIS toxin-antitoxin system, consisting of a membrane bound SpoIISA toxin and a small, cytosolic antitoxin SpoIISB, was originally identified in ...
Jana eMelnicakova +3 more
doaj +1 more source
Frontiers in Microbiology, 2020 Salmonella enterica serotype Typhimurium is a bacterium that causes gastroenteritis and diarrhea in humans. The genome of S. Typhimurium codes for diverse virulence factors, among which are the toxin-antitoxin (TA) systems.
Fernando Chimal-Cázares +14 more
doaj +1 more source
PLoS Genetics, 2021 Biofilms are multispecies communities, in which bacteria constantly compete with one another for resources and niches. Bacteria produce many antibiotics and toxins for competition.
Kazuo Kobayashi
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Regulation of toxin–antitoxin systems by proteolysis
Plasmid, 2013 Toxin-antitoxin systems are widely distributed among many bacterial species, including human pathogens. Typically, these systems consist of two genes in an operon which encodes a stable toxin disrupting essential cellular processes and a labile antitoxin preventing toxicity.
Iwona, Brzozowska +1 more
openaire +3 more sources
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
Stay or Go: Sulfolobales Biofilm Dispersal Is Dependent on a Bifunctional VapB Antitoxin
mBio, 2023 A type II VapB14 antitoxin regulates biofilm dispersal in the archaeal thermoacidophile Sulfolobus acidocaldarius through traditional toxin neutralization but also through noncanonical transcriptional regulation.
April M. Lewis +5 more
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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
Hypothetical Functions of Toxin-Antitoxin Systems [PDF]
Journal of Bacteriology, 2007 Toxin-antitoxin systems are very commonly found both on large, low-copy plasmids, where they increase effective stability ([35][1]), and on bacterial chromosomes, where their function has been the subject of considerable speculation.
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IUCrJ, 2022 Type II toxin–antitoxin (TA) systems encode two proteins: a toxin that inhibits cell growth and an antitoxin that neutralizes the toxin by direct intermolecular protein–protein interactions.
Ji Sung Koo +4 more
doaj +1 more source
Clinical Pharmacology &Therapeutics, EarlyView.Siltartoxatug, a first‐in‐class monoclonal antibody targeting tetanus toxin for post‐exposure prophylaxis, was evaluated in two phase I trials in Australian and Chinese healthy adults. In these randomized, double‐blind, placebo‐controlled, dose‐escalation studies, participants received a single intramuscular injection of siltartoxatug (10–250 μg/kg) or
Xinyu Liu +15 more
wiley +1 more source