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MetabolomicsRegulation of drug resistance to enrofloxacin in Pasteurella multocida strains from cattle by quorum-sensing acyl-homoserine lactone signaling molecules

Pasteurella multocida (Pm) is a significant cause of respiratory disease in beef cattle, with serious consequences for the cattle industry. The bacterial quorum-sensing (QS) system is used for communication and regulation of various processes, including bacterial growth, virulence, biofilm format...

2025-12-18 | MTBLS13502 | MetaboLights
Metabolomicsα-ketoglutarate maintains AMPK translation for energy sensing in human cancer cells_lipid

The energy sensor AMPK promotes tumor cell survival under stress, but how to prevent AMPK activation to blunt tumor progression remains unclear. Here we show that the metabolite α-ketoglutarate (α-KG) controls AMPK translation through a TET-YBX1 axis, which can be exploited to sensitize human can...

2025-07-17 | MTBLS12741 | MetaboLights
Metabolomicsα-ketoglutarate maintains AMPK translation for energy sensing in human cancer cells_targeted metabolites

The energy sensor AMPK promotes tumor cell survival under stress, but how to prevent AMPK activation to blunt tumor progression remains unclear. Here we show that the metabolite α-ketoglutarate (α-KG) controls AMPK translation through a TET-YBX1 axis, which can be exploited to sensitize human can...

2025-07-16 | MTBLS12731 | MetaboLights
Metabolomicsα-ketoglutarate maintains AMPK translation for energy sensing in human cancer cells_untargeted metabolites_flux_FAO

The energy sensor AMPK promotes tumor cell survival under stress, but how to prevent AMPK activation to blunt tumor progression remains unclear. Here we show that the metabolite α-ketoglutarate (α-KG) controls AMPK translation through a TET-YBX1 axis, which can be exploited to sensitize human can...

2025-07-17 | MTBLS12738 | MetaboLights
MetabolomicsGlycolysis/gluconeogenesis specialization in microbes is driven by biochemical constraints of flux sensing
Central carbon metabolism is highly conserved across microbial species, but can catalyze very different pathways depending on the organism and their ecological niche. Here, we study the dynamic reorganization of central metabolism after switches between the two major opposing pathway configurations ...
2022-01-11 | MTBLS3887 | MetaboLights
MetabolomicsHeat drives tomato bacterial wilt through enhanced pathogen virulence and rhizosphere microbiome and metabolic shifts
Bacterial wilt caused by Ralstonia solanacearum is globally widespread and strongly associated with elevated temperature, yet the ecological mechanisms underlying temperature-driven disease outbreaks remains unclear. Here, we show that high temperature promotes bacterial wilt by reconfiguring the to...
2026-05-31 | MTBLS14437 | MetaboLights
TranscriptomicsAn antibody to Streptococcus pneumoniae capsular polysaccharide enhances quorum sensing
The primary mechanism by which pneumococcal capsular polysaccharide-based vaccines are believed to mediate protection is by induction of serotype-specific opsonic antibodies that facilitate bacterial killing by phagocytes (opsonophagocytosis). However, antibodies that are protective against experim...
ORGANISM(S): Streptococcus pneumoniae 
2011-03-01 | E-GEOD-27258 | biostudies-arrayexpress
MetabolomicsQuercetin alleviates ETEC K88-induced host injury by driving the circulation and fluctuation of AHL-like quorum-sensing signaling molecules in the blood–liver–colon system

Abstract:

Background: Quercetin is a flavonoid with various probiotic properties, demonstrating anti-inflammatory, anti-oxidative, anti-cancer, and anti-obesity effects in humans and animals. However, quercetin’s effect on enterotoxigenic Escherichia coli (ETEC) K88-induced host body injury...

2026-01-14 | MTBLS13677 | MetaboLights
TranscriptomicsRNA-Seq analysis of quorum sensing-dependent genes in Burkholderia glumae BGR1
Burkholderia glumae causes rice grain rot and sheath rot by producing toxoflavin, whose expression is regulated by quorum sensing (QS). The QS systems of the bacterium rely on N-octanoyl homoserine lactone, synthesized by TofI and its cognate receptor TofR, to activate toxoflavin biosynthesis genes ...
ORGANISM(S): Burkholderia glumae 
2012-03-14 | E-GEOD-36485 | biostudies-arrayexpress
TranscriptomicsQuorum sensing and silencing in Vibrio parahaemolyticus
The quorum regulatory cascade is poorly characterized in Vibrio parahaemolyticus, in part because swarming and pathogenicity - the hallmark traits of the organism - are repressed by this scheme of gene control. As a consequence, many isolates appear silenced for quorum sensing via phase variation. I...
ORGANISM(S): Vibrio parahaemolyticus 
2011-12-01 | E-GEOD-28216 | biostudies-arrayexpress
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