Project description:S. aureus ATCC 25923 is performance standard for antimicrobial susceptibility testing. S. aureus ATCC 33591 showed resistance against erytrhromycin, penicillin, and streptomycin. We used microarray to compare RNA expression between sensitive and resistant strain of S. aureus as a preliminary research for MRSA inhibition. S. aureus strains were cultivated in tryptic soy broth at 37℃ for 18hrs and harvested for RNA extraction and hybridization on Affymetrix microarrays.

2010-09-15 | E-GEOD-18289 | biostudies-arrayexpress

S. aureus transcriptome with RNA-Seq

Project description:RNA-Seq experiment performed to determine the transcriptional response to overexpression of sigH (SA0492), comK1 (SA0882), and comK2 (SA1596) in Staphylococcus aureus ATCC 51811.

2014-09-04 | E-MTAB-2345 | biostudies-arrayexpress

GNPS - M. bovis BCG cultured in Glucose vs Oleate MSMS microbeMASST submission

Project description:Polar Lipidome of M. bovis BCG cultured in 7H9 media without Carbon source (control), with Glucose or with Oleate. Qualitative LC-MSMS (IDA mode).

2022-07-29 | MSV000090021 | GNPS

Staphylococcus aureus treated with fosfomycin

Project description:Staphylococcus aureus is a highly adaptable human pathogen; therefore a constant search for new effective antibiotic compounds is being preformed. Gene expression profiling can be used to determine potential targets and mechanisms of action (MOA) of known or potential drugs. The goal of our study was a development of a focused transcriptome platform to be used for confirming the MOA of new chemical entities which are designed as inhibitors of Mur ligases. A model transcriptional profile was set up for well described inhibitor of MurA ligase, fosfomycin. Moreover, we wanted to identify the pathways and processes primarily affected by this compound. S. aureus ATCC 29213 cells were treated with low concentrations of fosfomycin (1 and 4 µg/ml, respectively) and harvested at 10, 20 and 40 minutes after treatment, respectively. RNA was isolated, transcribed, labeled and hybridized to S. aureus GeneChips, representing approximately 3000 S. aureus genes. Using meta-analysis of our results and the results in the S. aureus microarray database, we have confirmed that fosfomycin induces “cell wall stimulon” genes and were able to identify genes and pathways specifically modulated by fosfomycin.

2009-03-26 | GSE15394 | GEO

Phenotype and RNA-Seq-Based Transcriptome Profiling of Staphylococcus aureus biofilms in response to Tea tree oil

Project description:RNA sequencing (RNA-Seq) was used in our study to elucidate the mechanism of Tea tree oil (TTO) as a potential antibacterial agent to evaluate differentially expressed genes and functional network analysis in S. aureus ATCC 29213 biofilms.

2016-08-19 | GSE85787 | GEO

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