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Intracellular pathogens are particularly refractory to antibiotic eradication, leading to persistent and relapsing infections. However, how intracellular metabolic microenvironments shape antibiotic resistance phenotypes remains poorly understood. Here we delineate a metabolic-regulatory axis wherei...
2026-06-17 | MTBLS14781 | MetaboLights
Colistin sulfate (polymixin E) is an antibiotic prescribed with resurging frequency for multidrug resistant gram negative bacterial infections. It is associated with nephrotoxicity in humans in up to 33% of cases. Little is known regarding genes involved in colistin nephrotoxicity. A murine model o...
ORGANISM(S): Mus musculus 
We found that the antibiotic colistin acts synergistically with antifungals of the echinocandin class (e.g. aminocandin) on C. albicans cells. In order to elucidate the mode of action of colistin in fungi we performed microarray analysis of samples treated with only aminocandin (0.00125µg/ml) or tre...
ORGANISM(S): Candida albicans 
Colistin is an important cationic antimicrobial peptide (CAMP) in the fight against Pseudomonas aeruginosa infection within the cystic fibrosis (CF) lungs. The effects of sub-inhibitory colistin on gene expression in P. aeruginosa were investigated by transcriptome microarray and functional analysis...
ORGANISM(S): Pseudomonas aeruginosa PAO1 
We recently demonstrated that colistin resistance in Acinetobacter baumannii can result from mutational inactivation of genes essential for lipid A biosynthesis. Consequently, strains harboring these mutations are unable to produce the major Gram negative bacterial surface component, lipopolysacchar...
ORGANISM(S): Acinetobacter baumannii 
To explore how multiple drug-resistant A. baumannii response to colistin resistance, we compared the genomic, transcriptional and proteomic profile of A. baumannii MDR-ZJ06 to that of induced colistin resistant strain ZJ06-200P5-1.
ORGANISM(S): Acinetobacter baumannii 
2017-03-15 | PXD005265 | Pride
In past, resistance mechanisms have been identified by analysis of resistant isolates or defined mutants. Recently, high-throughput transposon mutagenesis coupled with sequencing (TraDIS-Xpress) is another approach proving useful for elucidating the roles of genes involved in the overall cellular re...
ORGANISM(S): Escherichia coli BW25113 
Here we investigated colistin effects on A. baumannii, employing a Mass spectrometry approach and comparing a colistin-susceptible multidrug-resistantclinical isolate to its colistin-dependent subpopulation obtained by subsequent passages in moderate colistin concentrations. Colistin dependence migh...
ORGANISM(S): Acinetobacter baumannii 
2021-01-12 | PXD020218 | Pride
Klebsiella pneumoniae strain:colistin resistant from housflies | isolate:colistin resistant from housflies Genome sequencing
Colistin resistant Klebsiella pneumoniae
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