Effects of the fungicide penconazole on the leaf associated aquatic mycobiome in stream channels and flask microcosms
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PROVIDER: PRJEB77411 | ENA |
REPOSITORIES: ENA
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Project description:Exposure of a resistance and sensitive isolate of Penicillium to difenoconazole fungicide and acetone as a control for 24 hours.
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Project description:TH2 and innate lymphoid cells 2 (ILC2) can stimulate tumor growth by secreting pro-tumorigenic cytokines such as IL4, IL5 and IL13. However, the mechanisms by which type 2 immune cells traffic to the tumor microenvironment (TME) are unknown. Here, in pancreatic ductal adenocarcinoma (PDAC), we show that oncogenic KrasG12D (Kras*) increases the expression of IL33 in cancer cells, which upon secretion recruits and activates the TH2 and ILC2. Correspondingly, cancer cell-specific deletion of IL33 reduces TH2 and ILC2 recruitment and promotes tumor regression. Unexpectedly, we discovered that the cellular release of IL33 into the TME is dependent on the intratumoral fungal mycobiome. Genetic deletion of IL33 or anti-fungal treatment decreases TH2 and ILC2 infiltration and increases survival. Consistent with these murine data, high IL33 expression is observed in approximately 20% of human PDAC, and expression is mainly restricted to cancer cells. These data expand our knowledge of the mechanisms driving PDAC tumor progression and identifies therapeutically targetable pathways involving intratumoral mycobiome-driven secretion of IL33.
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Project description:We report the RNAseq of mouse pancreatic cancer cell lines with Kras ON vs Kras OFF. TH2 and innate lymphoid cells 2 (ILC2) can stimulate tumor growth by secreting pro-tumorigenic cytokines such as IL4, IL5 and IL13. However, the mechanisms by which type 2 immune cells traffic to the tumor microenvironment (TME) are unknown. Here, in pancreatic ductal adenocarcinoma (PDAC), we show that oncogenic KrasG12D (Kras*) increases the expression of IL33 in cancer cells, which upon secretion recruits and activates the TH2 and ILC2. Correspondingly, cancer cell-specific deletion of IL33 reduces TH2 and ILC2 recruitment and promotes tumor regression. Unexpectedly, we discovered that the cellular release of IL33 into the TME is dependent on the intratumoral fungal mycobiome. Genetic deletion of IL33 or anti-fungal treatment decreases TH2 and ILC2 infiltration and increases survival. Consistent with these murine data, high IL33 expression is observed in approximately 20% of human PDAC, and expression is mainly restricted to cancer cells. These data expand our knowledge of the mechanisms driving PDAC tumor progression and identifies therapeutically targetable pathways involving intratumoral mycobiome-driven secretion of IL33.
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Project description:In this study, a newly developed 8x15K Fusarium graminearum Agilent microarray was applied to analyze transcriptional responses to azole fungicide treatment. Comparative statistical analysis of expression profiles from treated versus untreated fungal liquid cultures uncovered 1058 genes that were significantly differentially expressed. Among the 596 genes with significantly increased transcript levels, analyses using GeneOntology and FunCat annotations detected the ergosterol-biosynthesis pathway genes as the most significantly responding category, providing statistical confirmation of the mode-of-action of azole fungicides. Transcriptional profiling of 54 genes, which encode ABC transporters in F. graminearum, suggested that several of these might be involved in reducing intracellular fungicide concentration. In addition, several genes encoding transcription factors with similarity to yeast genes known to co-ordinate fungicide responses exhibited significant differential expression.
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Project description:Lowbush Blueberry Fungicide Trial Raw sequence reads
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Project description:Chlorothalonil (2,4,5,6-tetrachloroisophthalonitrile) is a broad spectrum fungicide used extensively in agricultural crops . The aim of this study is to analyse the effects of Chorothalonil on the gene expression profiles in zebrafish (Danio rerio), exposed to two concentrations of the fungicide in the water. Nominal concentrations were 1) Low 0.007mg/l (environmentally relevent) and 2) High 0.035mg/ml . A commercial third generation microarray for Danio rerio (Agielnt V3, 4x44k) was used to identify patterns of gene expression in male livers during a 96h toxicological assay.
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Project description:Chlorothalonil (2,4,5,6-tetrachloroisophthalonitrile) is a broad spectrum fungicide used extensively in agricultural crops . The aim of this study is to analyse the effects of Chorothalonil on the gene expression profiles in zebrafish (Danio rerio), exposed to two concentrations of the fungicide in the water. Nominal concentrations were 1) Low 0.007mg/l (environmentally relevent) and 2) High 0.035mg/ml . A commercial third generation microarray for Danio rerio (Agielnt V3, 4x44k) was used to identify patterns of gene expression in male livers during a 96h toxicological assay. Replicates: Six control, five low and four high concentrations ; 15 samples examined. Expression profiles of male livers compared. Two concentrations of the fungicide chlorothalonil were compared.
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