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MetabolomicsL-serine enables reducing the virulence of Acinetobacter baumannii and modulating the SIRT1 pathway to eliminate the pathogen

The emergence of high-virulent Acinetobacter baumannii strains increases the mortality of patients and seriously affects their prognosis, which motivates us to explore novel ways to control such infections. In this study, gas chromatography-mass spectrometry was adopted to explore the me...

2024-01-18 | MTBLS8966 | MetaboLights
MetabolomicsDeep longitudinal multi-omics analysis of Bordetella pertussis cultivated in bioreactors highlights medium starvations and transitory metabolisms, associated to vaccine antigen biosynthesis variations and global virulence regulation

Bordetella pertussis is the bacterial causative agent of whooping cough, a serious respiratory illness. An extensive knowledge on its virulence regulation and metabolism is a key factor to ensure pertussis vaccine manufacturing process robustness. The aim of this study was to refine our ...

2023-02-21 | MTBLS5762 | MetaboLights
MetabolomicsReleased palmitic acid–mediated TLR4/NF-κB activation enhances the virulence of Bordetella pertussis MT28 lineage

Whooping cough resurged globally despite the widespread vaccination. A macrolide-resistant (MR) lineage carrying the high-virulence ptxP3 allele, ptxP3 MR-MT28 (MT28), has imposed a substantial burden on pertussis epidemics, while the underlying factors driving its prevalence remain unclear. Thus...

2025-12-21 | MTBLS13545 | MetaboLights
MetabolomicsTargeting methionine synthase in a fungal pathogen causes a metabolic imbalance that impacts cell energetics, growth and virulence
There is an urgent need to develop novel antifungals to tackle the threat that fungal pathogens pose to human health. In this work, we have performed a thorough characterisation and validation of the promising target methionine synthase. We have uncovered that in Aspergillus fumigatus the absence of...
2020-10-15 | MTBLS1636 | MetaboLights
TranscriptomicsDifferential virulence gene expression in the pathogenic dermatophyte Arthroderma benhamiae in vitro versus infection
Although dermatophytes are the most common agents of superficial mycoses in humans and animals, the molecular basis of the pathogenicity of these fungi is largely unknown. In vitro digestion of keratin by dermatophytes is associated with the secretion of multiple proteases, which are assumed to be r...
ORGANISM(S): Arthroderma benhamiae 
2010-03-04 | E-GEOD-15873 | biostudies-arrayexpress
GenomicsRole of ProQ in Salmonella virulence - in vitro
Role of ProQ in Salmonella virulence - in vitro
PRJNA481544 | ENA
TranscriptomicsVirulence differences in Toxoplasma mediated by amplification of polymorphic pseudokinases.
The population structure of Toxoplasma gondii includes three highly prevalent clonal lineages, types I, II, and III, which differ greatly in virulence in the mouse model. Previous studies have implicated a family of serine threonine protein kinases found in rhoptries (ROPs) as important in mediatin...
ORGANISM(S): Toxoplasma gondii 
2011-05-03 | E-GEOD-24905 | biostudies-arrayexpress
GenomicsChitin attenuates virulence gene expression of Listeria monocytogenes in vitro
Chitin attenuates virulence gene expression of Listeria monocytogenes in vitro
PRJNA647766 | ENA
TranscriptomicsThe effect of IAN on P. aeruginosa virulence
Intercellular signal indole and its derivative hydroxyindoles inhibit Escherichia coli biofilm and diminish Pseudomonas aeruginosa virulence. However, indole and bacterial indole derivatives were unstable in microbial community due to the widespread of diverse oxygenases that could quickly degrade ...
ORGANISM(S): Pseudomonas aeruginosa 
2011-02-20 | E-GEOD-21508 | biostudies-arrayexpress
TranscriptomicsDNA microarray comparison of gene expression patterns in Paracoccidioides brasiliensis mycelia and yeasts in vitro.
Paracoccidioides brasiliensis is a thermally dimorphic fungus, which causes the most prevalent systemic mycosis in Latin America. Infection is initiated by inhalation of conidia or mycelial fragments by the host, followed by further differentiation into the yeast form. Information regarding gene e...
ORGANISM(S): Paracoccidioides brasiliensis 
2009-05-07 | E-GEOD-15511 | biostudies-arrayexpress
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