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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Vibrio vulnificus Wild-type vs. smcR mutant biofilm cells (V. vulnificus quorum sensing master regulator)

ABSTRACT: Two-condition experiment, Wild-type biofilm cells vs. smcR mutant biofilm cells. Biological replicates: 3 control, 3 mutant strains, independently grown and harvested. One replicate per array. A significant portion of the SmcR regulon predicted on the basis of microarray analysis results is indeed regulated by SmcR and that SmcR functions on biofilm dispersion in V. vulnificus. For transcriptome analysis, the V. vulnificus whole genome TwinChip, manufactured by e-biogen (Seoul, South Korea), was used.

ORGANISM(S): Vibrio vulnificus

SUBMITTER: Seung Min Kim

PROVIDER: E-GEOD-32270 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Vibrio vulnificus : biofilm cells vs. planktonic cells

Project description:The profiles of transcripts from the planktonic cells and biofilm cells of V. vulnificus were compared by using a V. vulnificus whole-genome microarray Two-condition experiment, planktonic cells vs. biofilm cells. Biological replicates: 3 control, 3 experimental, independently grown and harvested. One replicate per array. For transcriptome analysis, the V. vulnificus whole genome TwinChip, manufactured and kindly provided by the 21C Frontier Microbial Genomics and Applications Center (Daejeon, South Korea), was used.

2014-07-26 | E-GEOD-59753 | biostudies-arrayexpress

Vibrio vulnificus: Wild type vs. iscR mutant (V. vulnificus iron-sulfur cluster regulator)

Project description:IscR is a novel global regulator potentially contributing to the overall success in survival and pathogenesis of V. vulnificus by coordinating the regulation of various virulence factors. The profiles of transcripts from the V. vulnificus iscR mutant and the parental wild type were compared by using a V. vulnificus whole-genome microarray. Two-condition experiment: Wild type vs. iscR mutant. Biological replicates: 3 control, 3 mutant strains, independently grown and harvested. One replicate per array. For transcriptome analysis, the V. vulnificus whole genome TwinChip, manufactured and kindly provided by the 21C Frontier Microbial Genomics and Applications Center (Daejeon, South Korea), was used.

2013-02-27 | E-GEOD-44679 | biostudies-arrayexpress

Vibrio vulnificus: Wild-type vs. smcR mutant (V. vulnificus quorum sensing master regulator)

Project description:Two-condition experiment, Wild-type vs. smcR mutant. Biological replicates: 3 control, 3 mutant strains, independently grown and harvested. One replicate per array. A significant portion of the SmcR regulon predicted on the basis of microarray analysis results is indeed regulated by SmcR and that SmcR is a global regulator in V. vulnificus. For transcriptome analysis, the V. vulnificus whole genome TwinChip, manufactured and kindly provided by the 21C Frontier Microbial Genomics and Applications Center(Daejeon, South Korea), was used.

2011-09-19 | E-GEOD-32212 | biostudies-arrayexpress

Vibrio vulnificus: normal intracellular c-di-GMP level vs. high intracellular c-di-GMP level

Project description:The profiles of transcripts from the V. vulnificus grown under normal and high c-di-GMP conditions were compared by using a V. vulnificus whole-genome microarray Two-condition experiment, normal c-di-GMP condition vs. high c-di-GMP condition. Biological replicates: 3 control, 3 experimental, independently grown and harvested. One replicate per array. For transcriptome analysis, the V. vulnificus whole genome TwinChip, manufactured and kindly provided by the 21C Frontier Microbial Genomics and Applications Center (Daejeon, South Korea), was used.

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Iron regulation in Vibrio vulnificus CMCP6

Project description:Vibrio vulnificus multiply rapidly in host tissues under iron overloaded conditions. To understand the effects of iron in the physiology of this pathogen we performed a genome-wide transcriptional analysis of this bacterium growing under three different iron concentrations. V.vulnificus CMCP6 cells were grown under three different iron concentrations (TSBS + EDDA 50uM, TSBS and TSBS + FAC 250 ug/ml) and samples taken at log phase. Keywords: Response to the iron concentration of the media Strains were grown to an OD600nm of 0.6 to 0.8 in TSBS, TSBS with the addition of 250 Î¼g/ml FAC or TSBS with the addition of 50 Î¼M EDDA. Three independent cultures of the V. vulnificus cells grown in each media, were combined and treated as a single sample for the RNA extraction to minimize culture variation. Two samples per condition were used for the microarray analysis. Cells were centrifuged and the pellets resuspended in RNAWiz reagent (AmbionÂ®, Austin, TX). Total RNA was extracted from each strain according to the manufacturerâ??s instructions

2010-05-25 | E-GEOD-10633 | biostudies-arrayexpress

Vibrio vulnificus : biofilm cells vs. planktonic cells

Project description:The profiles of transcripts from the planktonic cells and biofilm cells of V. vulnificus were compared by using a V. vulnificus whole-genome microarray

2014-07-26 | GSE59753 | GEO

Vibrio vulnificus Wild-type vs. smcR mutant biofilm cells (V. vulnificus quorum sensing master regulator)

Project description:Two-condition experiment, Wild-type biofilm cells vs. smcR mutant biofilm cells. Biological replicates: 3 control, 3 mutant strains, independently grown and harvested. One replicate per array. A significant portion of the SmcR regulon predicted on the basis of microarray analysis results is indeed regulated by SmcR and that SmcR functions on biofilm dispersion in V. vulnificus.

2011-12-31 | GSE32270 | GEO

European eel immune response against Vibrio vulnificus challenge

Project description:Vibriosis caused by Vibrio vulnificus on eels represents an important threat for this specie under culture conditions. Development of new transcriptomic tools is essential to increase the knowledge of eel biology, that nowadays is scarcer. Therefore, using previous results obtained by 454 sequencing of the eel immune-enriched transcriptome, an eel-specific custom microarray have been designed. Gills transcriptomic pattern were analyzed as a principal portal of entry for pathogens in fish after 1h of bath infection with Vibrio vulnificus to describe gill immune response. Moreover, two different strains were used, vibro vulnificus wild type (R99) and rtx double mutant (CT285), to asses the virulence of these pathogen caused by MARTX. Adult european eels were bath infected with two Vibrio vulnificus strains, the wild type and double Rtx mutant (CT285). After 0, 3, 12h post-infection eel gills were sampled. Three individuals per experimental point were sampled, including a Control group and a Handling control group. Obtaining a total of 24 samples. The transcriptomic profile was described for each individual sample.

2013-03-15 | E-GEOD-45163 | biostudies-arrayexpress

Transcriptome analysis of Vibrio vulnificus cells that are either exposed to HT29-methotrexate intestinal epithelial cells or grown in basal medium eagle

Project description:The pathogenic marine bacterium Vibrio vulnificus is a causative agent of food-borne diseases such as life-threatening septicemia and gastroenteritis in individuals with underlying predisposed conditions.Because most infection cases of V. vulnificus are caused by ingestion of contaminated seafood, the pathogen has to encounter host cells in the gut at the early stage of infection and alters its gene expression patters to adapt the gut environment of host. To identify differentially expressed genes when V. vulnificus cells are exposed to host cells, a transcriptome analysis of V. vulnificus cells that were either exposed to HT29-methotrexate intestinal epithelial cells or grown in basal medium eagle (Sigma) (as a negative control) was performed using Illumina GAIIx system. 16S and 23S rRNA were depleted using MICROBExpress kit (Ambion) from the total RNAs of each sample. Strand-specific cDNA libraries of the samples were constructed using Truseq stranded mRNA prep. kit (Illumina). Single-end and 36 cycle sequencing were performed using Iluumina GAIIx sequencer by ChunLab (http://www.chunlab.com) and Raw sequence data were analyzed by CLC Genomics Workbench 5. 5. 1 (CLC Bio)

2017-08-29 | E-MTAB-5629 | biostudies-arrayexpress

Genome- and proteome-wide analysis of lysine acetylation in Vibrio vulnificus Vv180806 reveals its regulatory roles in virulence and antibiotic resistance

Project description:V. vulnificus is an emergent pathogen and causes deadly septicemia in human. Protein acetylation regulates many important biological processes in bacteria. In this study, we identified the first lysine acetylome of V. vulnificus based on the whole-genome sequence of a cefoxitin-resistant strain isolated from a mortality case in China. A total of 6,626 acetylation sites at 1,924 acetylated proteins were uncovered, which to our knowledge represented the largest acetylated protein number that has been identified in bacteria. The presence of acetylation sites in virulence- and antibiotic resistance-related proteins further indicated the important role of acetylated modification on bacterial virulence and antibiotic resistance. Further investigation on the regulatory mechanisms will provide a better understanding of pathogen-host interactions in this increasingly pathogen.

2020-12-01 | PXD020376 | Pride

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