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The intestinal microbiome plays an essential role in regulating many aspects of host physiology, and its disruption through antibiotic exposure has been implicated in the development of a range of serious pathologies. The complex metabolic relationships that exist between members of the intestinal m...
2017-03-03 | MTBLS422 | MetaboLights
Tuberculosis, caused by the intracellular pathogen Mycobacterium tuberculosis, remains the world's deadliest infectious disease. Sterilizing chemotherapy requires at least 6 months of multidrug therapy. Difficulty visualizing the subcellular localization of antibiotics in infected host cells means t...
2020-12-07 | MTBLS959 | MetaboLights
Plasmid-mediated dissemination of mcr genes has severely compromised colistin efficacy, necessitating adjuvants that restore antibacterial potency without exacerbating toxicity. Despite their essential roles in bacterial survival and virulence, metal ion acquisition systems remain underexplored as t...
2026-08-13 | MTBLS15318 | MetaboLights
Tan2012 - Antibiotic Treatment, Inoculum Effect The efficacy of many antibiotics decreases with increasing bacterial density, a phenomenon called the ‘inoculum effect’ (IE). This study reveals that, for ribosome-targeting antibiotics, IE is due to bistable inhibition of bacterial g...
2024-09-02 | BIOMD0000000425 | BioModels
Deciphering the mode of action (MOA) of new antibiotics discovered through phenotypic screening is of increasing importance. Metabolomics offers a potentially rapid and cost-effective means of identifying modes of action of drugs whose effects are mediated through changes in metabolism. Metabolomics...
2017-06-16 | MTBLS464 | MetaboLights

Arsenic is the most prevalent toxic metalloid in environment. Evidence of mouse models (germ-free or antibiotic treatment) indicates the gut microbiota’s involvement in the metabolism of ingested arsenic. Linking genes to gut microbial arsenic metabolism with altered toxicity and lifetime in the ...

2025-05-12 | MTBLS11508 | MetaboLights

Mobile colistin resistance (mcr) genes undermine the efficacy of last-line polymyxin antibiotics, and the global prevalence of mcr-3 continues to rise despite reduced colistin use. Here, we show that mcr-3-positive Escherichia coli (E. coli) confers a survival advantage by reprogramming macrophag...

2026-05-30 | MTBLS13550 | MetaboLights
This study profiles the serum metabolome in C57BL/6 mice subjected to early-life antibiotic treatment (vancomycin and gentamicin, 2 weeks), followed by fecal microbiota transplantation and a short-term high-fat diet. Serum samples were collected longitudinally and analyzed by liquid chromatography-t...
2026-08-20 | MTBLS14801 | MetaboLights

The lack of new drugs that are effective against antibiotic-resistant bacteria has caused increasing concern in global public health. Based on this study, we report development of a modified antimicrobial drug through structure-based drug design (SBDD) and modular synthesis. The optimal modified ...

2024-07-03 | MTBLS10516 | MetaboLights
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