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ABSTRACT: OXA-23-producing Acinetobacter baumannii ST195

PROVIDER: PRJNA485674 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	QVQG01.dat.gz	Other
	QVQG01.fasta.gz	Fasta.gz
	QVQG01.master.dat	Other

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Similar Datasets

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

In vivo protein interaction network analysis reveals porin-localized toxin inactivation in antibiotic resistant bacteria

Project description:The nosocomial pathogen Acinetobacter baumannii is a frequent cause of hospital acquired infections worldwide, and a challenge for treatment due to its evolved resistance to antibiotics, including carbapenems. To gain insight on A. baumannii antibiotic resistance mechanisms, we analyzed the protein interaction network of a multidrug-resistant A. baumannii clinical strain Ab5075. Using in vivo chemical cross-linking and mass spectrometry, we identified 2,068 non-redundant cross-linked peptide pairs containing 245 intra- and 398 inter- molecular interactions. Outer membrane proteins OmpA and YiaD, and carbapenemase Oxa-23 are hubs of the identified interaction network. Eighteen novel interactors of Oxa-23 were identified. Interactions of Oxa-23 with outer membrane porins OmpA and CarO were verified with co-immunoprecipitation analysis. Furthermore, transposon mutagenesis of oxa-23 or interactors of Oxa-23 demonstrated changes in meropenem or imipenem sensitivity in Ab5075. These results provide the first view of a porin-localized toxin inactivation model and increase understanding of bacterial antibiotic resistance mechanisms.

2016-12-22 | PXD004236 | Pride

Project description:OXA-23-producing Acinetobacter baumannii ST195

| PRJNA485674 | ENA

Host cell response after infection with a virulent and a non virulent Acinetobacter baumannii IC2 OXA-23 strain

Project description:Acinetobacter baumannii is an emerging nosocomial pathogen that causes severe infections such as pneumonia or blood stream infections. As the incidence of multidrug-resistant A. baumannii infections in intensive care units increases, the pathogen is considered of greater clinical concern. Little is known about the molecular interaction of A. baumannii with its host yet. In order to study the host cell response upon A. baumannii infection, a complexome analysis was performed. For this, we identified a virulent ( A. baumannii 2778) and a non virulent (A. baumannii 1372) clinical isolate of genetic similarity > 95 % (both isolates from IC 2 harboring OXA 23). HUVECs were infected with each strain and enriched mitochondrial fraction was used for complexome profiling. Complexome analysis identified dramatic reduction of mitochondrial protein complexes in the strain of greater virulence.

2023-04-10 | PXD035235 | Pride

Project description:OXA-72 producing Acinetobacter baumannii

| PRJNA492390 | ENA

Acinetobacter baumannii

Project description:Acinetobacter baumannii Genome sequencing (OXA-23)

| PRJNA290306 | ENA

Project description:NDM-1 and OXA-23 co-producing Acinetobacter baumannii colistin resistant

| PRJNA658235 | ENA

Project description:Canine and feline OXA-23-producing Acinetobacter baumannii-calcoaceticus complex, complete genome

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Acinetobacter baumannii strain:Pasteur ST2, Complex Type 3112

Project description:Outbreak with OXA-23-producing Acinetobacter baumannii in a COVID-19 cohort

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Comparison of the gene expression profiles of different strains of A. baumannii by microarrays

Project description:In the present work we compare the gene expression profile of A. baumannii and a mutant knock-out strain of A. baumannii lacking a small RNA gene 13573 and the corresponding small RNA 13573 over-producing strain. The main objective is to recognize the main pathways in which the small RNA 13573 is involved. Moreover, the same wild type strain was used to infect mice and was further analyzed after the infection with the aim of finding genes differentially expressed in vivo. Three biological replicates have been performed for each comparison. The RNA collection from Acinetobacter baumannii strain over-expresing the small RNA (sample 13573) was compared with this isolated from A. baumannii harboring the empty vector (PETRA sample) while gene expression in the knock-out strain (KO sample) was compared with the wild type strain Acinetobacter baumannii ATCC 17978 (ATCC sample). The RNA from A.baumannii recovered from the infected animals (INF sample) was compared with the wild type (ATCC).

2016-08-01 | E-GEOD-60348 | biostudies-arrayexpress

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