Escherichia coli strain:UPEC 536
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA681501 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR13249674_subreads.fastq.gz | Fastqsanger.gz |
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Project description:Escherichia coli strain:UPEC Genome sequencing and assembly
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Project description:Escherichia coli release Extracellular Vesicles (EVs) which carry diverse molecular cargo. Pathogenic E.coli EVs contain virulence factors which assist during infection in the host in different mechanisms.The RNA cargo of E.coli EVs has not been assessed in their effect in the host. We used microarray data to asses and compare the global response of bladder cells to EV-RNA from pathogenic E.coli (Uropathogenic UPEC 536) and non-pathogenic E. coli (probiotic Nissle 1917)
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Project description:A strain of UPEC CFT073 lacking the three known NO detoxifiaction mechanisms, Hmp, FlRd and Nrf is used to study the global effect of NO on the pathogen
2015-06-15 | GSE69830 | GEO
Project description:The experiment design involves RNA-seq of Hfq bound RNA co-immunoprecipitation in the uropathogenic Escherichia coli (UPEC) strain UTI89.
2016-05-31 | E-MTAB-3498 | biostudies-arrayexpress
Project description:The features of Mycoplasma in human organ such lung and urinary tract are enigmatic. Here, the role of M. hominis in regard to biofilm formation of uropathogenic Escherichia coli (UPEC) strain CFT073 was investigated. Although M. hominis were inferred to not impact on UPEC bacterial fitness including growth and productions of signaling molecules as autoinducer-2 (AI-2) and indole, we found that the presence of M. hominis dramatically decreased biofilm formation of UPEC CFT073 as well as slightly repressed attachment and cytotoxicity of that. Importantly, this activity was observed on UPEC strain specifically, not enterohemorrhagic E. coli (EHEC) strain that exists on intestine. Whole-transcriptome profiling and quantitative real-time polymerase chain reaction (qRT-PCR) analysis revealed PhoPQ system and anti-termination protein (encoded by ybcQ) participates on the reduction of biofilm formation by M. hominis (corroborated by qRT-PCR). Furthermore, collaborating with previous report that toxin-antitoxin (TA) system involved in biofilm formation, M. hominis increased on the transcriptions of toxin genes including hha (toxin gene in Hha-TomB TA system) and pasT (toxin part in PasT-PasI TA system). Hence, we propose that one possible role of M. hominis is to influence bacterial biofilm formation in urinary tract. Only fourteen genes were induced (2.5-fold) by the presence of M. hominis in Uropathogenic Escherichia coli (UPEC) biofilm cells. Among upregulated genes, ybcQ (encodes anti-termination protein Q homolog) and phoP/phoQ (encode DNA-binding response regulators in two-component regulatory system), were induced by the presence of M. hominis.
2016-01-08 | GSE43376 | GEO
Project description:The features of Mycoplasma in human organ such lung and urinary tract are enigmatic. Here, the role of M. hominis in regard to biofilm formation of uropathogenic Escherichia coli (UPEC) strain CFT073 was investigated. Although M. hominis were inferred to not impact on UPEC bacterial fitness including growth and productions of signaling molecules as autoinducer-2 (AI-2) and indole, we found that the presence of M. hominis dramatically decreased biofilm formation of UPEC CFT073 as well as slightly repressed attachment and cytotoxicity of that. Importantly, this activity was observed on UPEC strain specifically, not enterohemorrhagic E. coli (EHEC) strain that exists on intestine. Whole-transcriptome profiling and quantitative real-time polymerase chain reaction (qRT-PCR) analysis revealed PhoPQ system and anti-termination protein (encoded by ybcQ) participates on the reduction of biofilm formation by M. hominis (corroborated by qRT-PCR). Furthermore, collaborating with previous report that toxin-antitoxin (TA) system involved in biofilm formation, M. hominis increased on the transcriptions of toxin genes including hha (toxin gene in Hha-TomB TA system) and pasT (toxin part in PasT-PasI TA system). Hence, we propose that one possible role of M. hominis is to influence bacterial biofilm formation in urinary tract. Only fourteen genes were induced (2.5-fold) by the presence of M. hominis in Uropathogenic Escherichia coli (UPEC) biofilm cells. Among upregulated genes, ybcQ (encodes anti-termination protein Q homolog) and phoP/phoQ (encode DNA-binding response regulators in two-component regulatory system), were induced by the presence of M. hominis. Two-condition experiment, UPEC CFT073 alone vs. UPEC CFT073 with Mycoplasma hominis PG21 (10^5 ccu/ml). For preparing the total RNA, UPEC CFT073 cells were grown at 37°C in biofilm cells on glass wool with or without M. hominis for 24 h.
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Project description:We report the application of H3 Lysine9 acetylation (H3K9ac) immunoprecipitation coupled next generation sequencing (ChIP-seq) in human bladder epithelial cells 5637 following treatment with Urophathogenic Escherichia coli strain 536 (UPEC) or the mutant with deletion of both α-hemolysin (hlyA) genes in the UPEC 536 strain (hlyA double mutant = UPEC 536 HDM) or UPEC supplemented with acetate. We found dramatic depletion of H3K9ac peaks was observed in UPEC infected cells, which was partially rescued by supplementation of acetate. In contrast, H3K9ac peaks of untreated cells are comparable with HDM treated cells. A total 21834 merged peak regions were identified in untreated control, whilst UPEC infection significantly decreased the signal across the merged peak regions, which was rescued partially by adding acetate. Deacetylation and its rescue by addition of acetate were observed in a global manner and affected the vast majority of H3K9ac sites throughout the genome. This observation holds true for different classes of cis-regulatory elements. Analysis of average binding across all human transcriptional start sites analysis further revealed that UPEC treatment also decrease H3K9ac signals at promoter regions, and can be rescue by supplementation of acetate. Moreover H3K9ac signal is also correlated with gene expression pattern. This study established that UPEC infection could epigenetically manipulate the host cell gene expression.
2021-12-31 | GSE132597 | GEO
Project description:Transcriptional analysis of UTI89 - uropathogenic E.coli (UPEC) strain grown in urine/Luria bertani medium culture in vitro as well as during three distinct phases of UPEC bladder infection: intracellular growth, filament formation and filament reversal. UTI89 was used to infect a bladder epithelial cell line cultured within a dynamic flow chamber system and harvested at particular stages of its pathogenecity cascade. Total RNA was processed and cy3 labeled for microarray analysis using Agilent custom Escherichia coli UTI89 arrays designed using E-Array.
2017-05-28 | E-MTAB-3611 | biostudies-arrayexpress