Dictyostelium discoideum
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA96885 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:A G Protein-Coupled Receptor with a Lipid Kinase Domain Is Involved in Cell-Density Sensing.
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Project description:Classical genetics in model organisms has defined many signaling pathways that control cell movement and multicellular morphogenesis. However,these approaches have not succeeded in placing some established chemotaxis regulators, such as the MAP kinase kinase MEK1, in activator/effector pathways. Here, we combined morphological measurements with epistasis analysis of transcriptional phenotypes and found that the protein phosphatase 4 (PP4) signaling pathway controls Dictyostelium chemotaxis and development. PP4 is a phosphatase that regulates recovery from DNA damage. We show that Dictyostelium SMEK functions as the PP4R3 regulatory subunit and may regulate the subcellular localization of PP4 catalytic subunit PP4C. SMEK binds PP4C and the complex functions downstream of MEK1 to regulate chemotaxis and morphogenesis. Microarray analysis of gene expression in mutant strains indicated that PP4 controls leading edge formation and cellular responses to stress. Thus, the MEKPP4C/SMEK pathway has a direct role in regulating chemotaxis, in addition to regulating the DNA repair checkpoint. Keywords: Developmental time course series from 1 Dictyostelium wildtype and 5 chemotaxis mutants to determine epistatic relationship
2006-08-25 | GSE5597 | GEO
Project description:Regulation of nucleosome positioning by a CHD Type III chromatin remodeller and its relationship to developmental gene expression in Dictyostelium [MNase-seq]
| PRJNA287709 | ENA
Project description:Regulation of nucleosome positioning by a CHD Type III chromatin remodeller and its relationship to developmental gene expression in Dictyostelium [RNA-seq]
| PRJNA287712 | ENA
Project description:au09-01_mpk mpk Mitogen Activated Protein Kinase (MAPK) signaling pathways are key regulators of cell proliferation, differentiation and stress effectors. The core of the MAP kinase signal transduction cascade is composed of a three-kinase module consisting of a MAP kinase kinase kinase (MAPKKK), a MAP kinase kinase (MAPKK), and a MAP kinase (MAPK). The signaling pathway is activated upon stimulation by a phosphorylation cascade.
2012-01-31 | GSE34659 | GEO
Project description:au09-01_mpk mpk Mitogen Activated Protein Kinase (MAPK) signaling pathways are key regulators of cell proliferation, differentiation and stress effectors. The core of the MAP kinase signal transduction cascade is composed of a three-kinase module consisting of a MAP kinase kinase kinase (MAPKKK), a MAP kinase kinase (MAPKK), and a MAP kinase (MAPK). The signaling pathway is activated upon stimulation by a phosphorylation cascade. 2 dye-swap - wild type vs mutants
2012-01-31 | E-GEOD-34659 | biostudies-arrayexpress
Project description:au09-01_mpk_flagellin - wt-col0_flagellin Mitogen Activated Protein Kinase (MAPK) signaling pathways are key regulators of cell proliferation, differentiation and stress effectors. The core of the MAP kinase signal transduction cascade is composed of a three-kinase module consisting of a MAP kinase kinase kinase (MAPKKK), a MAP kinase kinase (MAPKK), and a MAP kinase (MAPK). The signaling pathway is activated upon stimulation by a phosphorylation cascade. Flagellin is a protein present in the flagellum of almost all bacteria and triggers Innate Immunity in plants, mediated by a MAPK phosphorylation signal cascade. To better understand the changes occuring in wt-Col0 flagellin treatment at the gene expression level, we would like to perform a microarray transcriptomic analysis. 1 dye-swap - treated vs untreated comparison
2012-01-31 | E-GEOD-34660 | biostudies-arrayexpress
Project description:We identified 3418 genes transcribed at a level of at least two copies each. We identified many transcripts involved in protein translation, cell maintenance and metabolism, as expected for vegetative cells. The most highly expressed cell signaling genes include ubiquitin, smlA, and nucleotide exchange factors RasGEF F and Ras GEF G. Additionally, we identified many genes previously reported to be expressed only during later stages of development including dutA, actin8, thioredoxin3, culmination specific protein 45D, discoidin II and yelA.
2009-01-01 | GSE12095 | GEO
Project description:au09-01_mpk_flagellin - wt-col0_flagellin Mitogen Activated Protein Kinase (MAPK) signaling pathways are key regulators of cell proliferation, differentiation and stress effectors. The core of the MAP kinase signal transduction cascade is composed of a three-kinase module consisting of a MAP kinase kinase kinase (MAPKKK), a MAP kinase kinase (MAPKK), and a MAP kinase (MAPK). The signaling pathway is activated upon stimulation by a phosphorylation cascade. Flagellin is a protein present in the flagellum of almost all bacteria and triggers Innate Immunity in plants, mediated by a MAPK phosphorylation signal cascade. To better understand the changes occuring in wt-Col0 flagellin treatment at the gene expression level, we would like to perform a microarray transcriptomic analysis.
2012-01-31 | GSE34660 | GEO
Project description:au08-06_mpk6_heat_stressed - au08-06_mpk6_heat_stressed - Mitogen Activated Protein Kinase (MAPK) signaling pathways are key regulators of cell proliferation, differentiation and stress effectors. The core of the MAP kinase signal transduction cascade is composed of a three-kinase module consisting of a MAP kinase kinase kinase (MAPKKK), a MAP kinase kinase (MAPKK), and a MAP kinase (MAPK). The signaling pathway is activated upon stimulation by a phosphorylation cascade. In previous studies, it was shown that the mpk6 KO mutant plants are significantly more tolerant to heat stress in comparison to wt and that after 3h treatment at 37°C, an activation of heat-shock proteins occures in the mpk6 mutant. To better understand the changes occuring in the mpk6 mutant upon heat stress at the gene expression level, we would like to perform a microarray transcriptomic analysis. - Mitogen Activated Protein Kinase (MAPK) signaling pathways are key regulators of cell proliferation, differentiation and stress effectors. The core of the MAP kinase signal transduction cascade is composed of a three-kinase module consisting of a MAP kinase kinase kinase (MAPKKK), a MAP kinase kinase (MAPKK), and a MAP kinase (MAPK). The signaling pathway is activated upon stimulation by a phosphorylation cascade. In previous studies, it was shown that the mpk6 KO mutant plants are significantly more tolerant to heat stress in comparison to wt and that after 3h treatment at 37°C, an activation of heat-shock proteins occures in the mpk6 mutant. To better understand the changes occuring in the mpk6 mutant upon heat stress at the gene expression level, we would like to perform a microarray transcriptomic analysis. Keywords: treated vs untreated comparison 4 dye-swap - CATMA arrays
2010-06-28 | E-GEOD-22568 | biostudies-arrayexpress