Project description:Investigation of whole genome gene expression level changes in a Escherichia coli MG1655 K-12 ∆fnr mutant, compared to the wild-type strain. The mutations engineered into this strain produce a strain lacking the FNR protein.

2013-06-20 | GSE41190 | GEO

The RegR virulence regulon of rabbit specific enteropathogenic Escherichia coli strain E22

Project description:To investigate the regulatory targets of the RegR virulence regulon of rabbit specific enteropathogenic Escherichia coli strain E22

2012-12-25 | GSE41093 | GEO

Expression data from Escherichia coli

Project description:Transcription profiles in BL21, BL21/pOri1 and BL21/pOri2 were analysed using DNA microarray technology. BL21, BL21/pOri1 or BL21/pOri2 strains were cultured at chemostat status and harvested after the cultivation arrived steady status. Keywords: Effects of plasmid DNA on Escherichia coli metabolism

2006-07-07 | GSE5239 | GEO

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.

| 2230352 | ecrin-mdr-crc

Expression data from an Avian pathogenic Escherichia coli strain

Project description:Avian pathogenic Escherichia coli strains frequently cause extra-intestinal infections and are responsible for significant economic losses in the poultry industry worldwide. APEC isolates are closely related to human extraintestinal pathogenic E.coli strains and may also act as pathogens for humans. In this work, three type VI secretion systems were deleted to analyze which pathogenicity characteristics would change in the mutants, compared to wild type strain (SEPT 362).

2010-09-10 | GSE21893 | GEO

PatE in transcriptional activation of acid-resistance pathways of enterohemorrhagic Escherichia coli strain EDL933

Project description:An experiment to identify the downstream targets of PatE, a prophage encoded AraC-like transcriptional regulator, in transcriptional activation of acid-resistance pathways of enterohemorrhagic Escherichia coli strain EDL933 using deletion and complementation strains (Delta3 and Delta3_1, respectively).

2012-03-30 | GSE36922 | GEO

Control of gene expression by PdeL, a transcription regulator and c-di-GMP phosphodiesterase in Escherichia coli K12

Project description:PdeL is a transcription regulator and c-di-GMP specific phosphodiesterase in Escherichia coli. To address the transcription regulator function of PdeL we analyzed the transcriptomes of four E. coli K12 strains during the exponential growth phase by RNA-sequencing. These four strains included (1) wild-type E. coli K12 strain BW30270 carrying an empty vector control plasmid, (2) an isogenic pdeL deletion mutant carrying the control plasmid, as well as the pdeL mutant that was complemented with (3) a plasmid carrying pdeL under control of the IPTG-inducible tac promoter or (4) a plasmid encoding a fusion protein of the PdeL’s DNA-binding domain and the C-terminal dimerization domain of phage Lambda cI repressor (PdeL-DBD_cI-C). Expression of plasmid-encoded pdeL and pdeL-DBD_cI-C, respectively, was induced by addition of IPTG for 15 minutes prior to RNA isolation. Analyses of the RNA-seq data revealed that plasmid-provided PdeL (and PdeL-DBD_cI-C) repress transcription of class II flagellar genes and presumably regulate the transcription of additional loci, while only little differences were observed between the transcriptomes of wild-type strain BW30270 and its isogenic pdeL mutant.

2020-07-31 | GSE136273 | GEO

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