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MetabolomicsExtracellular ATP is an environmental cue in bacteria

In animals and plants extracellular ATP (eATP) functions as signal and regulates the immune response. During inflammation intestinal bacteria are exposed to elevated eATP originating from the mucosa. However, whether bacteria respond to eATP is unclear. Here we show that non-pathogenic Escherichi...

2025-08-28 | MTBLS12905 | MetaboLights
Metabolomicsthe intracellular flow of hexadecane in J31 cells

To investigate the metabolism and bioconversion of hexadecane in J31 cells, 13C-labeled hexadecane was added to the OM medium, and the intracellular flow of hexadecane in J31 cells was analyzed using the stable isotope technique via non-target metabolomics. study abstract/description

2025-11-04 | MTBLS13250 | MetaboLights
MetabolomicsA pathogen-specific isotope tracing approach reveals metabolic activities and fluxes of intracellular Salmonella

Pathogenic bacteria proliferating inside mammalian host cells need to rapidly adapt to the intracellular environment. How they achieve this and scavenge essential nutrients from the host has been an open question due to the difficulties in distinguishing between bacterial and host metabolites

2023-08-02 | MTBLS1275 | MetaboLights
MetabolomicsSystematic identification of bacterial factors driving Staphylococcus aureus intracellular lifestyle in non-professional phagocytes

Staphylococcus aureus is a major human pathogen responsible for severe infections. While traditionally described as extracellular, increasing evidence establishes S. aureus as a facultative intracellular pathogen. Intracellularity contributes to immune evasion, dissemination, and antibiotic failu...

2025-10-26 | MTBLS13220 | MetaboLights
TranscriptomicsKIM5 intracellular expression profiling
Microarrays were used to determine the transcriptional profile of Y. pestis that is growing inside macrophages. J774A.1 macrophage-like cells were infected with Y. pestis KIM5 and incubated in the presence of gentamicin in tissue culture media. RNA was isolated from intracellular bacteria at vari...
ORGANISM(S): Yersinia pestis 
2010-07-07 | E-GEOD-22168 | biostudies-arrayexpress
MetabolomicsSalmonella Typhimurium reprograms macrophage metabolism via T3SS effector SopE2 to promote intracellular replication and virulence

Salmonella Typhimurium establishes systemic infection by replicating in host macrophages. Here we show that macrophages infected with S. Typhimurium exhibit upregulated glycolysis and decreased serine synthesis, leading to accumulation of glycolytic intermediates. The effects on...

2024-05-22 | MTBLS2347 | MetaboLights
MetabolomicsBacteria regulate aging physiology in microalgae via induced vesicle production and the methionine cycle (Metabolomics analysis)

In annually reoccurring patterns, microalgae form blooms that persist and decline thereby contributing massively to global biogeochemical cycles. The decline of blooms is mainly caused by nutrient limitation and goes ahead with the aging of individual algal cells. Nutrient intake can re-initiate ...

2024-05-07 | MTBLS5368 | MetaboLights
MetabolomicsA metabolic dependency for host isoprenoids in the obligate intracellular pathogen Rickettsia parkeri underlies a sensitivity for the statin class of host-targeted therapeutics
Gram-negative bacteria in the order Rickettsiales are obligate intracellular parasites that cause human diseases such typhus and spotted fever. They have evolved a dependence on essential nutrients and metabolites from the host cell as a consequence of extensive genome streamlining. However, it rema...
2019-10-31 | MTBLS846 | MetaboLights
MetabolomicsHierarchical Carbon Metabolism in Iron-Deficient Bacteria Favors Iron-Scavenging Strategy

High-affinity iron (Fe) scavenging compounds, or siderophores, are widely employed by soil bacteria to survive scarcity in bioavailable Fe. Siderophore biosynthesis relies on cellular carbon metabolism, despite reported decrease in both carbon uptake and Fe-containing metabolic proteins in Fe-def...

2020-12-05 | MTBLS1715 | MetaboLights
UnknownSequencing the Obligate Intracellular Rhabdochlamydia helvetica within Its Tick Host Ixodes ricinus to Investigate Their Symbiotic Relationship.
Not available
S-EPMC6490308 | biostudies-literature
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