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Expression analysis with Phospholipase C over expression

ABSTRACT: The regulation of phospholipid biosynthesis in Saccharomyces cerevisiae through cis-acting upstream activating sequence inositol (UASino) and trans-acting elements, such as the INO2-INO4 complex and OPI1 by inositol supplementation in growth is thoroughly studied. In this study, we provide evidence for the regulation of lipid biosynthesis by phosphatidylinositol-specific phospholipase C (PLC) through UASino and two trans-acting elements. Gene expression analysis and radiolabelling experiments demonstrated that the overexpression of rice PLC in yeast cells altered phospholipid biosynthesis at the levels of transcriptional and enzyme activity.

ORGANISM(S): Saccharomyces cerevisiae

PROVIDER: GSE35745 | GEO | 2012/09/01

SECONDARY ACCESSION(S): PRJNA152207

REPOSITORIES: GEO

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Expression analysis with Phospholipase C over expression

2012-04-24 | GSE35677 | GEO

Expression analysis with Phospholipase C over expression

Project description:The regulation of phospholipid biosynthesis in Saccharomyces cerevisiae through cis-acting upstream activating sequence inositol (UASino) and trans-acting elements, such as the INO2-INO4 complex and OPI1 by inositol supplementation in growth is thoroughly studied. In this study, we provide evidence for the regulation of lipid biosynthesis by phosphatidylinositol-specific phospholipase C (PLC) through UASino and two trans-acting elements. Gene expression analysis and radiolabelling experiments demonstrated that the overexpression of rice PLC in yeast cells altered phospholipid biosynthesis at the levels of transcriptional and enzyme activity. There are two biological replicates two hour and five hour induction with galactose. The genome wide expression of Saccharomyces cerevisiae strain BY4741 harbouring rPLC-pYES2 and a vectro control (pYES2) were compare with each other. (Agilent Gene Expression Saccharomyces cerevisiae 8x15k array AMADID: 016333)

2012-04-23 | E-GEOD-35677 | biostudies-arrayexpress

Expression analysis with Phospholipase C over expression

Project description:The regulation of phospholipid biosynthesis in Saccharomyces cerevisiae through cis-acting upstream activating sequence inositol (UASino) and trans-acting elements, such as the INO2-INO4 complex and OPI1 by inositol supplementation in growth is thoroughly studied. In this study, we provide evidence for the regulation of lipid biosynthesis by phosphatidylinositol-specific phospholipase C (PLC) through UASino and two trans-acting elements. Gene expression analysis and radiolabelling experiments demonstrated that the overexpression of rice PLC in yeast cells altered phospholipid biosynthesis at the levels of transcriptional and enzyme activity. There are two biological replicates two hour and five hour induction with galactose. The genome wide expression of Saccharomyces cerevisiae strain BY4741 harbouring (rice) rPLC-pYES2 and a vectro control (pYES2) were compare with each other. (Agilent Gene Expression Saccharomyces cerevisiae 8x15k array AMADID: 016333)

2012-09-01 | E-GEOD-35745 | biostudies-arrayexpress

Integrated analysis, transcriptome-lipidome, reveals the effects of INO-level (INO2 and INO4) on lipid metabolism in yeast

Project description:Characterize the transcriptional response to INO2 and INO4 expression level (INO-level) and efficient factor

2013-12-23 | GSE36298 | GEO

Reconstruction of a Global Transcriptional Regulatory Network for Control of Lipid Metabolism in Yeast by Using Chromatin Immunoprecipitation with Lambda Exonuclease Digestion

Project description:We performed whole genome analysis of the DNA binding of five Saccharomyces cerevisiae transcription factors involved in lipid biosynthesis, Ino2, Ino4, Hap1, Oaf1 and Pip2, in response to four different environmental conditions. Using chromatin immunoprecipitation with lambda exonuclease digestion (ChIP-exo) we discovered a large number of so-far unidentified targets with nucleotide resolution. Based on the newly identified targets we document expanded functions for all five transcription factors, e.g. glutamate biosynthesis as a target of Oaf1 and Pip2. Moreover, condition-dependent binding of transcription factors in response to cell metabolic state, e.g. differential binding of Ino2 between fermentative and respiratory metabolic conditions was clearly suggested. Using our data we build a comprehensive transcriptional regulatory network for lipid metabolism in yeast.

2018-07-05 | GSE88941 | GEO

Reprogrammed lipid metabolism protects inner nuclear membrane against unsaturated fat

Project description:Transcriptome analysis of ino4∆ and Mga2∆TM-overexpressing cells in order to understand the mechanism by which cells decide whether to synthesize LDs from the INM or not. A striking difference between the transcriptomes of Mga2∆TM-overexpressing cells (cLDs) and ino4∆ cells (cLDs and nLDs) is the fact that enzymes involved in PL synthesis, for example, the phosphatidylethanolamine methyltransferase CHO2 or the phospholipid methyltransferase OPI3, are downregulated specifically in ino4∆ cells. In contrast, Mga2∆TM overexpressing cells showed an upregulation of the Ole1 desaturase and Mvd1, an enzyme involved in sterol biosynthesis, whereas the expression of PL synthesis factors remained largely unchanged.

2021-08-17 | GSE156951 | GEO

Integrated analysis, transcriptome-lipidome, reveals the effects of INO-level (INO2 and INO4) on lipid metabolism in yeast

Project description:Characterize the transcriptional response to INO2 and INO4 expression level (INO-level) and efficient factor We used microarrays to capture the global responses of INO-level in Carbon and Nitrogen limited growth.

2013-12-23 | E-GEOD-36298 | biostudies-arrayexpress

TransMPRA sequencing data.

Project description:Gene regulation occurs through trans-acting factors (e.g. transcription factors) acting on cis-regulatory elements (e.g. enhancers). Massively parallel reporter assays (MPRAs) functionally survey large numbers of cis-regulatory elements for regulatory potential, but do not identify the trans-acting factors that mediate any observed effects. Here we include preliminary data from a pilot transMPRA experiment — a reporter assay that efficiently combines multiplex CRISPR-mediated perturbation and MPRAs to identify trans-acting factors that modulate the regulatory activity of specific enhancers.

2020-09-30 | GSE157430 | GEO

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Ileal Crohn’s disease exhibits reduced activity of phospholipase C-β3 (PLC-β3)-dependent Wnt/b-catenin signaling pathway [microarray]

Project description:Crohn’s disease is a chronic, debilitating inflammatory bowel disease. Here we report a critical role for phospholipase C-β3 (PLC-β3) in intestinal homeostasis. In PLC-β3- deficient mice, exposure to oral dextran sodium sulfate induced lethality and severe inflammation in the small intestine. The lethality was due to PLC-β3 deficiency in multiple non-hematopoietic cell types. PLC-β3 deficiency resulted in reduced Wnt/β-catenin signaling, which is essential for homeostasis and regeneration of the intestinal epithelium. PLC-β3 regulated the Wnt/β-catenin pathway in small intestinal epithelial cells (IECs) at transcriptional, epigenetic, and potentially protein-protein interaction levels. PLC-β3- deficient IECs were unable to respond to stimulation by R-spondin 1, an enhancer of Wnt/β-catenin signaling. Reduced expression of PLC-β3 and its signature genes was found in biopsies of ileal Crohn’s disease patients. PLC-β regulation of Wnt signaling was evolutionally conserved in Drosophila. Our data indicate that reduction of PLC-β3- mediated Wnt/β-catenin signaling contributes to the pathogenesis of ileal Crohn’s disease.

2024-10-06 | GSE244937 | GEO

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