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Expression from Staphylococcus aureus strain USA300-lac during low and 2M NaCl exposure

ABSTRACT: S. aureus has the propensity to survive a range of NaCl challenge conditions We used commercially available Affymetrix S. aureus GeneChips (part number 900514) to compare the gene expression properties of wild type cells during growth at no or high (2M) NaCl.

ORGANISM(S): Staphylococcus aureus subsp. aureus USA300 Staphylococcus aureus

PROVIDER: GSE46383 | GEO | 2013/07/01

SECONDARY ACCESSION(S): PRJNA198901

REPOSITORIES: GEO

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Expression from Staphylococcus aureus strain USA300-lac during low and 2M NaCl exposure

Project description:S. aureus has the propensity to survive a range of NaCl challenge conditions We used commercially available Affymetrix S. aureus GeneChips (part number 900514) to compare the gene expression properties of wild type cells during growth at no or high (2M) NaCl. S. aureus strain USA300-lac cells were grown to late exponential phase growth in the absence or presence of 2M NaCl, total bacterial RNA was isolated and subjected to GeneChip hybridization and analysis. We sought to determine the regulatory effects of high NaCl.

2013-07-01 | E-GEOD-46383 | biostudies-arrayexpress

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Project description:Transcriptional profiling of Deinococcus radiodurans comparing control untreated wild type cells with wild type cells treated with 0.3M NaCl or 2M NaCl

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Staphylococcus aureus subsp. aureus USA300

Project description:Expression from Staphylococcus aureus strain USA300-lac during low and 2M NaCl exposure

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Expression analysis of Staphylococcus aureus USA300 LAC in response to vehicle and benzbromarone.

2014-03-19 | GSE55980 | GEO

Regulation of gene expression by ArlRS in Staphylococcus aureus USA300 strain LAC

Project description:ArlRS is a two-component regulatory system in Staphylococcus aureus. Here we use RNA-sequencing to compare gene expression in a wild-type USA300 strain and an isogenic arlRS mutant.

2020-04-29 | GSE130887 | GEO

Regulation of gene expression by MgrA in Staphylococcus aureus USA300 strain LAC

Project description:MgrA is a global regulator of gene expression in Staphylococcus aureus. Here we use RNA-sequencing to compare gene expression in a wild-type USA300 strain and an isogenic mgrA mutant.

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Expression analysis of Staphylococcus aureus USA300 LAC in response to vehicle and benzbromarone.

Project description:Compilation fo whole genome gene expression changes in Staphylococcus aureus USA300 LAC cultures grown in the presence of vehicle or the anti-gout drug benzbromarone. The drug was intially screened as effective against the agr quorum sensing system in Staphylococcus aureus AH1677. A microarray study using total RNA harvested from three cultures of Staphylococcus aureus USA300 LAC plus vehicle control and three cultures of Staphylococcus aureus USA300 LAC plus 12 uM benzbromarone.

2014-03-19 | E-GEOD-55980 | biostudies-arrayexpress

Effect of apicidin on gene expression in Staphylococcus aureus USA300 strain LAC

Project description:The fungal metabolite apicidin acts as a quorum sensing inhibitor in Staphylococcus aureus. Here we use RNA-sequencing to examine the effect of apicidin on gene expression, comparing to untreated wild-type and an agr quorum sensing mutant.

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Staphylococcus aureus gene expression in a rat model of infective endocarditis

Project description:S. aureus has a propensity to cause endocarditis; diabetes mellitus is a frequent underlying comorbitity in patents with S. aureus endocarditis. S. aureus Affymetrix GeneChips were used to compare S. aureus expression properties in cardiac vegatations isolated from diabetic and nondiabetic rats. S. aureus Affymetrix GeneChips were also used to compare the S. aureus expression properties of cardiac vegatations (both diabetic and nondiabetic) in comparsions to planktonic cells. Few differences were observed between the expression properties of S. aureus harvested from diabetic vs. nondiabetic cardiac vegatations. Significant differences were observed between the expression properties of S. aureus harvested from cardiac vegetations in comparison to exponential and/or stationary phase planktonically grown cells.

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Global transcriptome analysis of Staphylococcus aureus biofilms in response to innate immune cells

Project description:S. aureus biofilms are associated with the organism's ability to cause disease. Biofilm associated bacteria must cope with the host's innate immune system. We used commercially available Affymetrix S. aureus GeneChips to compare the gene expression properties of 4 and 6 day established biofilms following short (1 hr)- and long (24 hr)- term exposure to macrophages and neutrophils.

2013-12-01 | GSE50675 | GEO

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