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Deoxynivalenol affects the gene expression of A549 lung epithelial cells

ABSTRACT: Deoxynivalenol (DON) is an important Fusarium toxin of concern for food safety. The inhalation of powder contaminated with deoxynivalenol is possible and may cause lung toxicity. In this study, we investigated the gene expression profile of A549 cells treated with 0.2 microg/mL deoxynivalenol by microarray analysis. In total, 16 genes and 5 noncoding RNAs were significantly affected by deoxynivalenol treatment.

ORGANISM(S): Homo sapiens

PROVIDER: GSE60928 | GEO | 2016/02/29

SECONDARY ACCESSION(S): PRJNA259842

REPOSITORIES: GEO

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Deoxynivalenol affects the gene expression of A549 lung epithelial cells

Project description:Deoxynivalenol (DON) is an important Fusarium toxin of concern for food safety. The inhalation of powder contaminated with deoxynivalenol is possible and may cause lung toxicity. In this study, we investigated the gene expression profile of A549 cells treated with 0.2 microg/mL deoxynivalenol by microarray analysis. In total, 16 genes and 5 noncoding RNAs were significantly affected by deoxynivalenol treatment. 4 samples; 2 samples from nontreated cells and other 2 samples from 0.2 microg/mL DON-treated cells for 24 hours

2016-02-29 | E-GEOD-60928 | biostudies-arrayexpress

Transcriptome analysis of Escherichia coli under deoxynivalenol and nivalenol conditions

Project description:We constructed E. coli transcriptome under deoxynivalenol (DON) and nivalenol (NIV) condition from Fusarium spp. To identify differentially expressed genes in mycotoxin condition, we compared mycotoxin (DON and NIV) transcriptome to acetonitrile (ACN) transcriptome as the solvent of myxotoxin. As a result, 435-929 transcripts were identified from all conditions, respectively.

2017-07-23 | GSE59682 | GEO

Influence of Deoxynivalenol-contaminated diet on the liver gene expression of chicken.

Project description:The mycotoxin deoxynivalenol (DON) is a secondary metabolite from Fusarium species and is frequently present on wheat and other cereals. The main effects of DON are a reduction of the feed intake and reduced weight gain of broilers. At the molecular level DON binds to the 60S ribosomal subunit and inhibits subsequently protein synthesis at the translational level. It has been suggested that cells and tissues with high protein turnover rate, like the liver and small intestine, are most affected by DON. However, little is known about other effects of DON e.g. at the transcriptional level. Therefore we decided to perform a microarray analysis, which allows us the investigation of thousands of transcripts in one experiment. The one-day old broiler chicks were separated into four groups. The diets consisted of a control diet and of three diets with moderate concentrations of 1.0, 2.5 and 5.0 mg DON/kg feed, which was attained by exchanging uncontaminated wheat with naturally DON-contaminated wheat up to the intended concentration. The chicken were held at standard conditions for 23 days and received their diet ad libitum. After slaughter the gene expression was determined in the liver of three samples per group.

2011-11-05 | E-GEOD-25185 | biostudies-arrayexpress

Ribosome quality control is a central protection mechanism for yeast exposed to Deoxynivalenol and Trichothecin

Project description:Trichothecenes, like deoxynivalenol (DON) are secondary metabolites of Fusarium species, and are major pollutants in cereal food and feed products. They inhibit eukaryotic protein synthesis, however with only partly resolved consequences for the cellular homeostasis. Here we report a systematic functional investigation of the effects of DON on exponential phase growing yeast cells using either short doses of DON or continuos treatment with DON.

2016-06-03 | GSE75462 | GEO

Influence of Deoxynivalenol-contaminated diet on the liver gene expression of chicken.

2011-11-05 | GSE25185 | GEO

The Transcription factor FgSfp1 orchestrates mycotoxin deoxynivalenol biosynthesis in Fusarium graminearum

Project description:Fusarium graminearum (F. graminearum) and its derivative mycotoxin deoxynivalenol (DON) are highly concerned with food security, safety and sustainability worldwide. The molecular mechanism regulates DON biosynthesis in F. graminearum remains enigmatic, despite several transcription factors (TFs) have been revealed containing regulatory functions. Here, we first characterized a zinc finger-contained TF, FgSfp1. Interestingly, contrast to the previous knowledge, all TRI-cluster genes were abnormally upregulated in ∆FgSfp1 while Tri proteins abundance rationally decreased, resulting in a 95.4% reduction of DON yield simultaneously. Further evidence determined FgSfp1 acted as a nutrient-sensing factor coordinates genetic expression efficiency through interference of ribosomal biogenesis process. Specifically, FgSfp1-depletion leads to ribosome biogenesis assembly factor (RiBi) expression attenuation along with DON precursor acetyl-CoA synthase reduction since FgSfp1 actively interacts with RNA 2’-O-methylation enzyme FgNop1 revealed by Bi-FC and subsequently influences mRNA translation capacity. In conclusion, we elucidated that the FgSfp1 orchestrates DON biosynthesis via participating RNA posttranscriptional modification for ribosomal RNA maturation, offering new insights into the DON biosynthesis regulation. Ultimately, this novel TF might be a key regulator for DON contamination control in the whole food chain.

2024-11-06 | GSE262607 | GEO

The effect of Fusarium culmorum infection and deoxynivalenol (DON) application on proteome response in barley cultivars Chevron and Pedant

Project description:The effect of an artificial infection with Fusarium culmorum and an application of deoxynivalenol (DON) on barley spikes of cultivars Chevron and Pedant during flowering was investigated at grain mid-dough stage 10 days after pathogen inoculation (10 dai). Proteomic analysis using a two-dimensional differential gel electrophoresis (2D-DIGE) technique coupled with LC-MS/MS was used to investigate the quantitative or qualitative differences between the experimental variants.

2017-09-07 | PXD006432 | Pride

Salmonella Typhimurium: control vs. Deoxynivalenol (DON) treatment

Project description:Transcriptional profiling of log and stationary phase S. Typhimurium, comparing untreated controls with Deoxynivalenol treated samples. Each array used labelled cDNA against a common genomic DNA reference. Triplicate arrays were carried out for each of the 4 conditions: untreated log phase, untreated stationary phase, DON treated log phase and DON treated stationary phase

2011-05-20 | E-GEOD-29399 | biostudies-arrayexpress

Impact of biomechanical stimulation in the toxicity of deoxynivalenol in A431 cells: impairment of “dynamic” cell functions

Project description:Morphology together with the capability to respond to surrounding stimuli are the key elements governing the spatial interaction of a living cell with the environment. In this respect, biomechanical stimulation can trigger significant physiological cascades that can potentially modulate or interact with toxicity. Deoxynivalenol (DON, vomitoxin) is one of the most prevalent mycotoxins produced by Fusarium spp. and it was used to explore the delicate interaction between biomechanical stimulation and cytotoxic processes in A431 cells. In fact, in addition of being a well-known food contaminant, DON is becoming a relevant toxin also for other organ systems. The combination between biomechanical stimulation and the mycotoxin revealed how DON can impair crucial functions like cellular morphology and lysosome trafficking at concentrations far below those known to be cytotoxic in routine toxicity studies. Moreover, sub-toxic concentrations of DON (0.1-1 μM) impaired the capability of A431 cells to respond to a biomechanical stimulation that normally sustains trophic effects in this cell line. Ultimately, the effects of DON (0.1-10 μM) were partially modulated by the application of uniaxial stretching (0.5Hz, 24h, 15% deformation) suggesting a deep cross-talk between the cytotoxic potential of the mycotoxin and the biomechanical stimulation.

2018-07-31 | PXD008996 | Pride

Yeast genomic expression patterns in response to deoxynivalenol

Project description:The assessment of toxicity about deoxynivalenol (DON) using yeast gene expression comparison analysis. Two yeast strains, parental BY4743 and PTC1 mutant, were used for this study. SDS was used to raise the penetration of the yeast cell membrane. Keywords: stress response

2010-05-31 | GSE14748 | GEO

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