Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

Vibrio natriegens Systems & Synthetic Biology: Proteome Profile (Temperature & Salinity)

ABSTRACT: Vibrio natriegens is a rapidly growing salt marsh bacterium that is being developed as a synthetic biology chassis. We characterized its physiological response to different salinities and temperatures in order to optimize culturing conditions and understand its adaptations to a salt marsh environment. Using metabolomics, transcriptomics, and proteomics we determined what pathways respond to these environmental parameters. We found that organic osmolyte synthesis and membrane transporters were most responsive to changes in salinity. The primary osmolytes were glutamate, glutamine, and ectoine, responding to salinity across temperature treatments. However, when media was supplemented with choline, glycine betaine seemed to mostly replace ectoine. These results provide a baseline dataset of metabolic activity under a variety of conditions that will inform decisions made about culturing and genome engineering for future applications.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Vibrio Natriegens Nbrc 15636 = Atcc 14048 = Dsm 759

TISSUE(S): Cell Line Cell

SUBMITTER: Judson Hervey

LAB HEAD: J Hervey

PROVIDER: PXD027874 | Pride | 2021-09-15

REPOSITORIES: Pride

ACCESS DATA

Json Xml

Dataset's files

Source:

			Action	DRS
	C2_WJ_vnat10.raw	Raw
	C2_WJ_vnat11.raw	Raw
	C2_WJ_vnat12.raw	Raw
	C2_WJ_vnat13.raw	Raw
	C2_WJ_vnat14.raw	Raw

Items per page:

1 - 5 of 41

Similar Datasets

Comparison of Amphibalanus amphitrite exuviae (molts) and adhesive

Project description:The base of the barnacle Amphibalanus amphitrite has a layer of protein and cuticle that adheres the barnacle to the surface. The proteins in the adhesive have been characterized, but it is unknown whether the adhesive proteins are associated with the cuticle. To address this possibility, we examined the proteins associated with the molt (exuviae) from the main body, which is also composed of cuticle.

2021-09-08 | PXD013036 | Pride

Microenvironment Shapes Small Cell Lung Cancer Neuroendocrine States and Presents Unique Therapeutic Opportunities

Project description:Small-cell lung cancer (SCLC) is the most fatal form of lung cancer. Intra-tumoral heterogeneity, marked by neuroendocrine (NE) and non-neuroendocrine (non-NE) cell states, defines SCLC, but the drivers of SCLC plasticity are poorly understood. To map the landscape of SCLC tumor microenvironment (TME), we apply spatially resolved transcriptomics and quantitative mass spectrometry-based proteomics to metastatic SCLC tumors obtained via rapid autopsy. The phenotype and overall composition of non-malignant cells in the tumor microenvironment (TME) exhibits substantial variability, closely mirroring the tumor phenotype, suggesting TME-driven reprogramming of NE cell states. We identify cancer-associated fibroblasts (CAF) as a crucial element of SCLC TME heterogeneity, contributing to immune exclusion, and predicting an exceptionally poor prognosis. Together, our work provides the first comprehensive map of SCLC tumor and TME ecosystems, emphasizing their pivotal role in SCLCs adaptable nature, opening possibilities for re-programming the intercellular communications that shape SCLC tumor states.

2024-05-15 | PXD052033 | Pride

Integrative multi-omic profiling of adult mouse brain endothelial cells and potential implications in Alzheimer’s disease

Project description:Blood-brain barrier (BBB) critically regulate the homeostasis of central nervous system (CNS). This barrier property allows cerebral vessels to meet the extremely high metabolic demand of neural activities and meanwhile protect sensitive neurons from toxic plasma components, blood immune cells and xenobiotics. Therefore, a comprehensive inventory of the molecular determinants of BBB would substantially facilitate understanding of the pathogenesis of neurological disorders involving BBB dysfunction and promote development of novel CNS drug delivery strategies. Here, we established the proteome activity landscapes of adult mouse brain, lung and liver ECs. In this study, we produced a comprehensive molecular atlas of adult mouse BBB and revealed novel insights into adult BBB in health and Alzheimer’s disease.

2023-11-01 | PXD029195 | Pride

Quantification of brain, muscle, and liver using large SWATH-spectral library

Project description:Sequential window acquisition of all theoretical mass spectra (SWATH-MS) requires a spectral library to extract quantitative measurements from the mass spectrometry data acquired in data-independent acquisition mode (DIA). Large combined spectral libraries containing SWATH assays have been generated for humans and several other organisms, but so far no publicly available library exists for measuring the proteome of zebrafish, a rapidly emerging model system in biomedical research. Here, we present a large zebrafish SWATH spectral library to measure the abundance of 104’185 proteotypic peptides from 10’405 proteins. The library includes proteins expressed in 9 different zebrafish tissues (brain, eye, heart, intestine, liver, muscle, ovaries, spleen, and testes) and provides an important new resource to quantify 40% of the protein-coding zebrafish genes. We employ this resource to quantify the proteome across brain, muscle, and liver and characterize divergent expression levels of paralogous proteins in different tissues.

2018-12-18 | PXD010869 | Pride

Proteomics reveals PFOS-induced alteration of lipid utilization and xenobiotic metabolism in a model of PFOS-augmented diet-induced fatty liver

Project description:Perfluorooctanesulfonic acid (PFOS) is a persistent, bio-accumulative pollutant that has been used for the last 60+ years in numerous industrial and commercial applications. In mice, PFOS administration is known to induce hepatomegaly and hepatic steatosis. The aim of the present study was to evaluate potential PFOS and diet interactions and explore the mechanism of PFOS induced liver lipid accumulation. Prior to PFOS administration, mice were fed either a standard chow diet (SD) or 60% kCal high fat diet (HFD) for 4 weeks to establish significant body weight increase. After 4 weeks of diet acclimation, the treatment groups received 0.0003% PFOS in diet for an additional 10 weeks. In addition, a subset of the mice fed HFD were switched to a SD (H-SD) to mimic weight-loss induced improvement of hepatic steatosis. A total of six treatment groups: i) SD, ii) HSD, iii) HFD (H), iv) SD +PFOS(SDP), v) H-SD +PFOS (HSDP), and vi) HFD +PFOS (HP) were included. PFOS and lipid concentrations were measured in both serum and liver. Relative liver mRNA expression was determined by targeted bead array and proteins were quantified using untargeted mass spectrometry. PFOS exposure increased liver weight, and in the HFD increased liver triglycerides and liver cholesterol content. Gene and protein expression in the liver demonstrated that PFOS exposure induced lipid utilization and xenobiotic metabolism pathways, and in a HFD, induced lipid synthesis. The data suggests that PFOS exposure acts on lipid utilization genes and exacerbates hepatic steatosis in mice fed a HFD.

2020-09-30 | PXD016161 | Pride

The impact of commonly used alkylating agents on artefactual peptide modification

Project description:Iodoacetamide is by far the most commonly used agent for alkylation of cysteine during sample preparation for proteomics. An alternative, 2-chloroacetamide, has been recently suggested to reduce the alkylation of residues other than cysteine, such as the N-terminus, Asp, Glu, Lys, Ser, Thr and Tyr. Here, we show that although 2-chloroacetamide reduces the level of off-target alkylation, it exhibits a range of adverse effects. The most significant of these was methionine oxidation, which increases to a maximum of 40% of all Met containing peptides compared to 2-5% with iodoacetamide. Increases were also observed for mono and dioxidised tryptophan. No additional differences between the alkylating reagents were observed for a range of other post-translational modifications and digestion parameters. The adverse impact of 2-chloroacetamide on methionine oxidation suggest it is not the ideal alkylating reagent for proteomics.

2017-08-16 | PXD007071 | Pride

An ‘omics approach to unraveling the paradoxical effect of diet on perfluorooctanesulfonic acid (PFOS) and perfluorononanoic acid (PFNA) induced non-alcoholic fatty liver disease (NAFLD)

Project description:Perfluoroalkyl substances (PFASs) are a family of toxicants universally detected in human serum and known to cause dyslipidemia in animals and humans. Non-alcoholic fatty liver disease (NAFLD) is most prevalent form of liver disease in the United States and has been rising in global prevalence over recent years. This study explored diet-PFAS interactions and their potential role in the increasing global incidence of NAFLD. Male C57BL/6 mice were fed with either a low-fat diet (10% kcal from fat) or a moderately high fat diet (45% kcal from fat) with or without perfluorooctanesulfonic acid (PFOS) or perfluorononanoic acid (PFNA) at a low dose of 0.0003% w/w in feed for 12 weeks. Livers were excised for histology and quantification of PFASs and lipids. Proteomics and transcriptomics were utilized to conduct mechanistic pathway exploration. In a high fat diet, PFOS and PFNA protected against the onset of hepatic lipid accumulation and inflammatory progression. Genes and proteins related to lipid metabolism, synthesis, transport, and storage were modulated by PFAS exposure and further impacted by the presence of dietary fat. When combined with a high fat diet, low dose PFOS and PFNA are protective against the onset of NAFLD suggesting that dietary fat impacts the behavior of PFASs in vivo. Furthermore, both dietary fat content and the chemical functional head group exerted significant influence on tissue partitioning and the resulting hepatic biochemical signature.

2021-02-18 | PXD015977 | Pride

ASSESSING AUTOMATED SAMPLE PREPARATION TECHNOLOGIES FOR HIGH-THROUGHPUT PROTEOMICS OF FROZEN WELL CHARACTERIZED TISSUES FROM SWEDISH BIOBANKS

Project description:Large cohorts of carefully collected and stored clinical tissue materials play a central role in acquiring sufficient depth and statistical power to discover disease-related mechanisms and biomarkers of clinical significance. Manual preparation of such heterogeneous samples is labor intensive and requires experienced laboratory personnel. This carries other possible downsides such as low throughput, high risk of errors and low reproducibility, which limits the chances of making new Biomarker discoveries. In this work, three automated technologies for high-throughput proteomics of frozen sectioned tissues from our biobank were assessed. The instruments evaluated included the Bioruptor for tissue disruption and protein extraction; the Barocycler, which is able to disrupt tissues and digest the proteins; and the Bravo AssayMAP, a micro-chromatography platform for protein denaturation, digestion, peptide desalting and fractionation. A wide variety of tissue samples from 1) rat spleen, 2) human melanoma tumor, 3) human pancreatic tumor and 4) pancreatic tumor xenografts were assessed. The three instruments displayed reproducible and consistent results, as was proven by the high correlation between the measurements and by low coefficients of variation for the protein intensities for the different tissue types. Furthermore, we found that there is a good correlation between the obtained protein amount from the respective tumor tissues and the surface area of the analyzed tissue. This is of particular importance as the applicability is favored even in heterogeneous tumors originating form malignant melanoma patients. The results from this study has allowed us to integrate these technologies into an automated sample preparation workflow for large-scale proteomic studies that are currently ongoing.

2018-11-27 | PXD010296 | Pride

ASSESSING AUTOMATED SAMPLE PREPARATION TECHNOLOGIES FOR HIGH-THROUGHPUT PROTEOMICS OF FROZEN WELL CHARACTERIZED TISSUES FROM SWEDISH BIOBANKS

2018-11-27 | PXD011295 | Pride

Lactobacillus Membrane Vesicles

Project description:Bacterial membrane vesicles have been implicated in a broad range of functions in microbial communities from pathogenesis to gene transfer. Though first thought to be a phenomenon associated with Gram-negative bacteria, vesicle production in Staphylococcus aureus, Lactobacillus plantarum, and other Gram-positives has recently been described. Here we characterize MVs from three different Lactobacillus species (L. acidophilus, L. casei, and L. reuteri), determining that the size and protein composition of Lactobacillus-derived MVs have both similarities and differences with those produced by Gram-negative bacteria. Using proteomics, we identified more than 80 protein components from Lactobacillus-derived MVs, including some that were enriched in the vesicles themselves. For each species, vesicular proteins were categorized based on biological pathway and examined for subcellular localization signals in an effort to identify possible sorting mechanisms for MV proteins. Additionally, differences between MVs of other Lactobacillus species and Gram positive bacteria were highlighted. Information in this study will assist in elucidation of the formation and functions of MVs, as well as the development of therapeutic tools for vaccines, diagnosis, and therapeutic delivery.

2019-11-12 | PXD011278 | Pride

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

Tweets

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data