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Acinetobacter baumannii ATCC 17978

ABSTRACT: Small chemical inhibits Acinetobacter baumannii biofilm formation

PROVIDER: PRJNA545322 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9211883.fastq.gz	Fastqsanger.gz
	SRR9211884.fastq.gz	Fastqsanger.gz
	SRR9211885.fastq.gz	Fastqsanger.gz
	SRR9211886.fastq.gz	Fastqsanger.gz
	SRR9211887.fastq.gz	Fastqsanger.gz

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ppGpp signal plays critical role in pathogenesis of Acinetobacter baumannii 17978

Project description:Acinetobacter baumannii is a major cause of nosocomial infections which can survive in different hospital environments and its multidrug-resistant capacity is major concern now-a-days. ppGpp dependent stringent response mediates reprogramming of gene expression with diverse function in many bacteria. A baumannii A1S_0579 gene is responsible for ppGpp production. Transcriptome analysis of early stationary phase cultures represents several differentially expressed genes in ppGpp deficient strain (∆A1S_0579). We found that the expression of csu operon, which is important in pili biosynthesis for early biofilm formation, was significantly reduced in the ppGpp-deficient strain. Our findings showed that ppGpp signaling plays critical role in biofilm formation, surface motility, adherence and virulence of A baumannii. This study is the first demonstration of the association between ppGpp and pathogenicity of A. baumannii.

2021-05-01 | GSE173627 | GEO

RNA-seq of Acinetobacter baumannii ATCC 17978 Lab-WT: under blue light

Project description:Comparison for gene expression of Acinetobacter baumannii Lab-WT under blue light irradiation

2022-01-31 | GSE195643 | GEO

RNA-seq of Acinetobacter baumannii ATCC 17978: deleted effects of dna adenine methylase

Project description:Comparison for gene expression of Acinetobacter baumannii ATCC 17978 by deleted effects of dna adenine methylase

2022-01-31 | GSE195621 | GEO

Transcriptomic profiling by RNA-seq of A. baumannii 17978 wild-type, and ∆A1S_1874 mutants.

Project description:Acinetobacter baumannii A1S_1874 gene encodes as a LysR-type transcriptional regulator. LysR family regulators known to regulate biofilm formation, antibiotic resistance, and the expression of diverse genes in other Gram-negative bacteria. However, A1S-1874 has never been characterized in Acinetobacter baumannii, and the studies about the regulon of A1S-1874 are not discovered. In this study we revealed that A1S_1874 differentially regulates at least 302 genes including the csu pilus operon, N-acylhomoserine lactone synthese gene, A1S_0112-A1S_0118 operon, type 1v secretion system related genes that are involved in biofilm formation, surface motility, adherence, quorum sensing and virulence. Overall, our data suggests that A1S-1874 is a key regulator of Acinetobacter baumannii biofilm formation and gene expression.

2021-05-25 | GSE173626 | GEO

The primary transcriptome of Acinetobacter baumannii ATCC 17978

Project description:Transcriptomics by RNA-seq provides unparalleled insight into bacterial gene expression networks, enabling a deeper understanding of the regulation of pathogenicity, mechanisms of antimicrobial resistance, metabolism, and other cellular processes. Here we present the transcriptome architecture of Acinetobacter baumannii ATCC 17978, a species emerging as a leading cause of antimicrobial resistant nosocomial infections. Differential RNA-seq (dRNA-seq) examination of model strain ATCC 17978 in 16 laboratory conditions identified 3731 transcriptional start sites (TSS), and 110 small RNAs, including the first identification of 22 sRNA encoded at the 3′ end of mRNA.

2018-06-25 | GSE103244 | GEO

Acinetobacter baumannii ATCC 17978

Project description:cahuitamycins inhibit biofilm formation of Acinetobacter baumannii

| PRJNA547596 | ENA

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

Multi-omics approach to study global changes in a triclosan mutant strain of Acinetobacter baumannii ATCC 17978.

Project description:Acinetobacter baumannii AB042, a triclosan-resistant mutant, was examined for modulated gene expression using whole genome sequencing, transcriptomics, and proteomics in order to understand the mechanism of triclosan-resistance as well as its impact on A. Baumannii.

2016-09-28 | GSE87398 | GEO

RNA-Seq of Acinetobacter baumannii ATCC 17978 and a gene knockout strain of putative response regulator gene A1S_2006 from the ATCC 17978 background

Project description:The putative response regulator gene A1S_2006 of Acinetobacter baumannii ATCC 17978 was knocked out using a homologous recombination method to assess the effects of that gene knockout in a global transcriptome landscape. This was done with an objective to better understand the cellular processes that are regulated by the response regulator protein encoded by A1S_2006 gene.

2019-04-04 | E-MTAB-7815 | biostudies-arrayexpress