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Escherichia coli CFT073 isolate:PU_38

ABSTRACT: Escherichia coli CFT073 isolate:PU_38 Genome sequencing

PROVIDER: PRJNA387644 | ENA |

REPOSITORIES: ENA

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Escherichia coli CFT073 isolate:199310

Project description:Escherichia coli CFT073 isolate:199310 Genome sequencing

| PRJNA624646 | ENA

Cranberry derived proanthocyanidins induce a state of iron-limitation in uropathogenic Escherichia coli CFT073 as revealed by microarray analysis

2010-12-02 | GSE25745 | GEO

Proteomic studies of Escherichia coli CFT073 and MG1655

Project description:Here we dissected a regulatory network directed by the conserved iron homeostasis regulator, Ferric Uptake Regulator (Fur), in uropathogenic E. coli strain CFT073. Comparing anaerobic genome-scale Fur DNA binding, with Fur dependent transcript expression and protein levels of the uropathogen to that of commensal E. coli K-12 strain MG1655, showed that the Fur regulon of the core genome is conserved but also includes genes within the pathogenicity/genetic islands. Unexpectedly, regulons indicative of amino acid limitation and the general stress response were also indirectly activated in the uropathogen fur mutant, suggesting that induction of the Fur regulon increases amino acid demand. Using RpoS levels as a proxy, addition of amino acids mitigated the stress. In addition, iron chelation increased RpoS to the same levels as in the fur mutant. The increased amino acid demand of the fur mutant or iron chelated cells was exacerbated by aerobic conditions, which could be partly explained by the O 2 -dependent synthesis of the siderophore aerobactin, encoded within a pathogenicity island. Taken together, this data suggest in the iron-poor environment of the urinary tract, amino acid availability could play a role in the proliferation of this uropathogen, particularly if there is sufficient O 2 to produce aerobactin.

2020-05-27 | PXD017582 | Pride

Cranberry derived proanthocyanidins induce a state of iron-limitation in uropathogenic Escherichia coli CFT073 as revealed by microarray analysis

Project description:Transcriptional profiles of uropathogenic Escherichia coli CFT073 exposed to cranberry-derived proanthocyanidins (PACs) were determined. Our results indicate that bacteria grown on media supplemented with PACs were iron-deprived. To our knowledge, this is the first time that PACs have been shown to induce a state of iron-limitation in this bacterium. Cultures of E. coli CFT073 were streaked onto LB agar plates and incubated (37°C, 24 h). A single colony was inoculated into 150 mL of LB broth. Three inoculated flasks contained LB broth alone (controls), and three inoculated flasks were supplemented with cranberry PACs (100 µg/mL). After incubation (37°C, 5 h, 200 rpm to mid-log growth phase), bacteria were harvested for RNA extraction.

2010-12-02 | E-GEOD-25745 | biostudies-arrayexpress

Psychological Evaluation According Colonic Colonization by Escherichia Coli of Patients After Colorectal Surgery

Project description:The purpose of this study is to determine whether the presence of pathogenic Escherichia coli in colon is associated with psychiatric disorders.

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Escherichia coli CFT073

Project description:Uropathogenic Escherichia coli

| PRJNA313 | ENA

Escherichia coli isolate:coli

Project description:Escherichia coli isolate:coli Genome sequencing

| PRJNA744958 | ENA

Enteropathogenic Escherichia Coli (EPEC): Does it Have a Role in Colorectal Tumourigenesis?

Project description:Despite the characterization of many aetiologic genetic changes. The specific causative factors in the development of sporadic colorectal cancer remain unclear. This study was performed to detect the possible role of Enteropathogenic Escherichia coli (EPEC) in developing colorectal carcinoma.

| 2184564 | ecrin-mdr-crc

Escherichia coli CFT073

Project description:Genome wide binding sites of NsrR in uropathogenic E.coli CFT073

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Expression data profile of A498 cells inoculated with E. coli 83972 and E. coli CFT073

Project description:Urinary tract infections (UTIs) constitute a highly relevant model of microbial adaptation, in which the contrasting effects of pathogens and commensals on host tissues are clearly displayed. While virulent Escherichia coli cause severe, potentially life-threatening disease by breaking the inertia of the mucosal barrier and infecting the kidneys, the most common outcome of bacteriuria is an asymptomatic carrier state resembling commensalism at other mucosal sites. It remains unclear if the lack of destructive inflammation merely reflects low virulence or if carrier strains actively inhibit disease associated responses in the host. To address this question, we examined the effects of asymptomatic bacterial carriage on host gene expression. A498 cell line has been validated as a model of uropathogenic E. coli infection; the cells express functional receptors for bacterial virulence ligands and the response to virulent strains reflects human UTI. The cells were infected with asymptomatic and pathogenic E. coli in vitro, and harvested RNA was subjected to whole genome transcriptome analysis. A498 human kidney epithelial cells were infected with the asymptomatic (E. coli 83972) or virulent strains (E. coli CFT073) for 4 hours. The cells with culture medium alone were used as a control. The experiment was performed in biological duplicates or triplicates.

2013-02-23 | E-GEOD-43790 | biostudies-arrayexpress

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