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Gene expression profile of Vibrio cholerae N16961 grown in various conditions of culture

ABSTRACT: Gene expression profile of Vibrio cholerae N16961 grown in various conditions of culture

PROVIDER: PRJNA887106 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR21803684.fastq.gz	Fastqsanger.gz
	SRR21803685.fastq.gz	Fastqsanger.gz
	SRR21803686.fastq.gz	Fastqsanger.gz
	SRR21803687.fastq.gz	Fastqsanger.gz
	SRR21803688.fastq.gz	Fastqsanger.gz

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Gene expression profile of Vibrio cholerae N16961 grown in various conditions of culture

Project description:To investigate the effect of conditions of culture on gene expression in Vibrio cholerae N16961 We then performed gene expression profiling analysis using data obtained from RNA-seq of 4 conditions of culture in biological duplicate

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Vibrio cholerae Expression Study

Project description:Question Addressed: What is the level of expression of genes in Vibrio cholerae recovered from various conditions. These conditions include samples recovered directly from patients (O139 from stool samples from ICDDR,B and N16961 from stool samples from a vaccine trial held in Cincinnati) as well as standard logarithmic and stationary phase grown bacteria. Labeling reactions were performed in duplicate for each stool derived and in quadruplicate for each in vitro grown strain. A common reference was used for each slide, it was composed of RNA from the exponentially growing 92A1552 V. cholerae strain

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Comparative genomic hybridization of Vibrio cholerae from California coastal water compared to reference strain N16961

Project description:Environmental isolates of Vibrio cholerae from California coastal water compared to reference strain N16961.

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Vibrio cholerae N16961 cpxA*

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Project description:We study gene expression levels of V. cholerae N16961 WT and crp mutant strains/V. cholerae N16961 hapR+ corrected strain, ravAviA mutant and ravAviA overexpressing strains in exponential phase in MH, MH+maltose 0.4% and MH+glucose 0.4%

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Vibrio cholerae O1 biovar El Tor str. N16961

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Effect of cFP on gene expression in Vibiro cholerae

Project description:Vibrio cholerae is a Gram negative, motile, facultative anaerobic bacterium, and the causative agent of cholera, a severe diarrhoeal disease, which untreated can rapidly lead to dehydration, hypotensive shock, and death. Cholera is a significant human disease that is estimated to affect 3-5 million people each year. The mechanism by which V. cholerae regulates virulence gene expression in vivo is unknown, but a number of studies have suggested that low molecular weight signally molecules may be important in modulating gene expression. cFP is a low molecular weight cyclic dipeptide produced by multiple Vibrio species. Evidence previously generated in our laboratory showed that cFP inhibited the production of the virulence factors cholera toxin (CT) and the toxin coregulated pilus (TCP) in O1 El Tor V. cholerae strain N16961 during growth under virulence gene inducing conditions. cFP inhibition of CT and TCP production correlated with reduced transcription of several regulators that belong to the ToxR regulon. To identify additional cFP-responsive genes we performed microarray experiments with the O1 El Tor V. cholerae strain N16961. In these experiments N16961 was grown under virulence gene inducing conditions in the presence and absence of cFP before RNA was extracted and hybridized to microarrays. The results showed that cFP positively affected the expression of the LysR-family regulatory protein LeuO. This finding suggests the possibility that LeuO may be mediating cFP-dependent regulation of gene expression in response to environmental cFP. V. cholerae N16961 was grown under AKI growth condition in the presence or absence of 1 mM cFP for 2.5 or 3 hours when total RNA was extracted, differentially labelled and hybridized to microarrays. Four independent experiments were performed.

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Effect of cFP on gene expression in Vibiro cholerae

2013-08-13 | GSE38272 | GEO

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Project description:Environmental isolates of Vibrio cholerae from California coastal water compared to reference strain N16961. A genotyping experiment design type classifies an individual or group of individuals on the basis of alleles, haplotypes, SNP's. Keywords: genotyping_design; array CGH

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