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MetabolomicsWe characterize the anti-phage function of a type IV TA system, ShosTA toxin-antitoxin system provides phage defense via DNA damage and repair
Widespread in bacteria and archaea, Toxin-antitoxin (TA) systems have been recently demonstrated to function in phage defense. Here we characterize the anti-phage function of a type IV TA system, ShosTA. Using structural and biochemical approaches, we show that ShosT couples phosphoribosyltransferas...
2025-02-17 | MTBLS11212 | MetaboLights
ProteomicsStaphylococcus aureus toxin-antitoxin system
Type I toxin-antitoxin (TA) systems are widespread genetic modules in bacterial genomes. They express toxic peptides whose overexpression leads to growth arrest or cell death, whereas antitoxins regulate the expression of toxins, acting as labile antisense RNAs. The Staphylococcus aureus (S. aureus)...
ORGANISM(S): Staphylococcus aureus 
2021-07-05 | PXD023449 | Pride
S. aureus  toxin-antitoxin system  proteomics  cell death 
GenomicsGrowth control switch by a DNA damage-inducible toxin-antitoxin system in Caulobacter
Bacterial toxin-antitoxin systems (TASs) are thought to respond to various stresses, often inducing growth-arrested (persistent) sub-populations of cells whose housekeeping functions are inhibited. However, it is not always clear whether specific targets of orthologous RNAse toxins are responsible f...
ORGANISM(S): Caulobacter crescentus NA1000 
2016-02-17 | E-GEOD-76721 | biostudies-arrayexpress
TranscriptomicsToxin-antitoxin of Rickettsia determines fatal addiction of the host cells
Rickettsia spp. can cause mild to severe human disease. These intracellular bacteria are associated with arthropods, nematodes and trematodes, and usually, are efficiently transmitted transovarially to the progeny of the invertebrate host. We recently demonstrated foreign gene acquisition by lateral...
ORGANISM(S): Homo sapiens 
2012-05-23 | E-GEOD-22072 | biostudies-arrayexpress
TranscriptomicsExpression profile for BW25113 M-NM-^TmqsRA with deoxycholate stress
MqsR/MqsA is a well-characterized toxin/antitoxin system with several regulatory roles. Deletion of mqsRA reduced growth with deoxycholate stress. Here we performed a microarray to determine the expression profile with and without mqsRA under deoxycholate stress to determine transcriptional regulat...
ORGANISM(S): Escherichia coli BW25113 
2015-01-09 | E-GEOD-59441 | biostudies-arrayexpress
TranscriptomicsRNA-seq for identifying toxin MazF and MqsR cleavage sites in toxin expression and subsequent recovery cultures of Escherichia coli (mRNA and ncRNA excluding rRNA)
Bacterial toxin-antitoxin systems are thought to help bacteria to reduce their metabolism in various stressful conditions. Many toxins of the bacterial toxin-antitoxin systems are ribonucleases. Such toxins have been mostly viewed as degraders of mRNA, however recently it was demonstrated that they ...
ORGANISM(S): Escherichia coli K-12 
2018-10-11 | E-MTAB-6993 | biostudies-arrayexpress
GenomicsStress induces the transcription of toxin-antitoxin systems but does not activate toxin
Stress induces the transcription of toxin-antitoxin systems but does not activate toxin
PRJNA593049 | ENA
GenomicsE.coli toxin-antitoxin systems
E.coli toxin-antitoxin systems
PRJNA602532 | ENA
TranscriptomicsM. smegmatis vapBC::aphA-3 M-NM-^TvapBC mutant (JR121) harboring tetracycline inducible vector pMind containing the vapBC operon (pJR230) and the pMind vector containing the vapC toxin gene (pJR29)
Transcriptional profiling of M. smegmatis JR121 expressing VapC and VapBC grown in flasks on Hartmans de Bont medium supplemented with 0.2% glycerol Comparing transcriptional response of strain JR121 to conditional expression of VapC toxin compared with the expression of VapBC complex. Biological re...
ORGANISM(S): Mycobacterium smegmatis 
2012-06-14 | E-GEOD-29631 | biostudies-arrayexpress
ProteomicsProtecomics analysis of toxin-antitoxin system HigBA mutant in P.aeruginosa
Pseudomonas aeruginosa kill the host Drosophila melanogasger very rapidly due to bacteria fitness in vivo. However, mutant of antitoxin HigA has impaired virulence accompanying with loss of fitness. We suppose the free toxin HigB in higA mutant inhibits some proteins production as to be an RNase. To...
ORGANISM(S): Pseudomonas aeruginosa PAO1 
2025-09-21 | PXD060361 | Pride
Camp Vfr Pseudomonas aeruginosa Type iv pili Toxin-antitoxin higba 
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