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Acinetobacter baumannii (1409927)

ABSTRACT: Co-culture confrontation assays of Acinetobacter baumannii vs. other multi-drug resistance organisms or vs. human dermal fibroblasts. transcriptome

PROVIDER: PRJNA292770 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR3218520_1.fastq.gz	Fastqsanger.gz
	SRR3218520_2.fastq.gz	Fastqsanger.gz
	SRR3218570_1.fastq.gz	Fastqsanger.gz
	SRR3218570_2.fastq.gz	Fastqsanger.gz
	SRR3218521_1.fastq.gz	Fastqsanger.gz

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Project description:Co-culture confrontation assays of Acinetobacter baumannii vs. other multi-drug resistance organisms or vs. human dermal fibroblasts. Transcriptome

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Transcriptional response of Acinetobacter baumannii to hydrogen peroxide and role of mumR and oxyR in regulating this response

Project description:Acinetobacter baumannii is a Gram-negative opportunistic pathogen that causes multiple infections, including pneumonia, bacteremia, and wound infections. Due to multiple intrinsic and acquired drug-resistance mechanisms, A. baumannii isolates are commonly multi-drug resistant and infections are notoriously difficult to treat. Therefore, it is important to identify mechanisms used by A. baumannii to survive stresses encountered during infection as a means of identifying new drug targets. In this study, we determined the transcriptional response of A. baumannii to hydrogen peroxide stress using RNASequencing. Upon exposure to hydrogen peroxide, A. baumannii differentially transcribes several hundred genes. In this study, we also determined the transcriptional profile of A. baumannii strains with the transcriptional regulators mumR or oxyR genetically inactivated and identified transcriptional differences between these strains and wild-type A. baumannii in response to hydrogen peroxide stress. In doing this, the function of A. baumannii OxyR in hydrogen peroxide stress resistance and regulation of genes required for hydrogen peroxide detoxification was defined. Moreover, the contribution of the uncharacterized regulator MumR to hydrogen peroxide stress resistance was also explored. This work reveals the transcriptome of an important human pathogen in the presence of hydrogen peroxide stress.

2018-11-13 | GSE114130 | GEO

Transcriptional changes in response to OXA-23 overexpression in Acinetobacter baumannii ATCC 17978

Project description:Purpose: The goal of this study was to elucidate the collateral effects associated with OXA-23 overexpression on the Acinetobacter baumannii global transcriptome. Results: Besides the 99.73-fold increase in blaOXA-23 transcript upon IPTG induction, no other transcripts showed more than a 2-fold change compared to the wildtype control. This suggests that OXA-23 over expression to levels similarly observed in multi drug resistant A. baumannii clinical isolates does not effect the transcriptome.

2021-11-15 | GSE185203 | GEO

Characterization of A. baumannii Mitomycin C (MMC) response

Project description:Transcriptional profiling of A. baumannii ATCC 17978 comparing treated-MMC cultures with non-MMC treated cultures Two-condition experiment A. baumannii 17978 MMC+ vs A. baumannii 17978 MMC-. Biological replicates:3, Technical replicates:2

2013-11-14 | E-GEOD-44735 | biostudies-arrayexpress

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