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Clustered regulatory signals at nucleosome-depleted regions punctuate a constant nucleosomal landscape in Schizosaccharomyces pombe

ABSTRACT: Mononucleosomal DNA analysis of atf1D and pcr1D mutants of Schizosaccharomyces pombe and transcription analysis of exponential wild type 972 h-, atf1D, pcr1D and mitotic diploid pat1.114, and synchronous diploid pat1.114 at 0h, 3h and 5h into meiosis Mononucleosomal DNA vs. genomic input DNA in wildtype 972 h-, atf1D and pcr1D mutants of S. pombe was hybridized to Affymetrix GeneChip 1.0FR tiling microarrays (GPL7715). Total RNA for genome-wide transcription analysis from exponential wild type 972 h-, atf1D, pcr1D and mitotic diploid pat1.114 cells, and from synchronous diploid pat1.114 at 0h, 3h and 5h into meiosis was hybridized to the same microarrays.

ORGANISM(S): Schizosaccharomyces pombe

SUBMITTER: Luis Quintales

PROVIDER: E-GEOD-41770 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Clustered regulatory elements at nucleosome-depleted regions punctuate a constant nucleosomal landscape in Schizosaccharomyces pombe.

Soriano Ignacio I Quintales Luis L Antequera Francisco F

BMC genomics 20131121

<h4>Background</h4>Nucleosomes facilitate the packaging of the eukaryotic genome and modulate the access of regulators to DNA. A detailed description of the nucleosomal organization under different transcriptional programmes is essential to understand their contribution to genomic regulation.<h4>Results</h4>To visualize the dynamics of individual nucleosomes under different transcriptional programmes we have generated high-resolution nucleosomal maps in Schizosaccharomyces pombe. We show that 98 ...[more]

PMID: 24256300

Similar Datasets

Clustered regulatory signals at nucleosome-depleted regions punctuate a constant nucleosomal landscape in Schizosaccharomyces pombe

Project description:Sequencing of mononucleosomal DNA during asynchronous mitosis and 0, 3 and 5 hours into meiosis in Schizosaccharomyces pombe. Two samples from mononucleosomal DNA from asynchronous mitosis (haploid 972 h- and diploid pat1.114) and three samples from 0, 3 and 5 hours into meiosis (from diploid pat1.114) were sequenced (Illumina Genome Analyzer IIx) using the single-end read protocol.

2013-11-25 | E-GEOD-41772 | biostudies-arrayexpress

Clustered regulatory signals at nucleosome-depleted regions punctuate a constant nucleosomal landscape in Schizosaccharomyces pombe

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2013-11-25 | E-GEOD-41773 | biostudies-arrayexpress

Clustered regulatory signals at nucleosome-depleted regions punctuate a constant nucleosomal landscape in Schizosaccharomyces pombe [Affymetrix]

Project description:Mononucleosomal DNA analysis of atf1D and pcr1D mutants of Schizosaccharomyces pombe and transcription analysis of exponential wild type 972 h-, atf1D, pcr1D and mitotic diploid pat1.114, and synchronous diploid pat1.114 at 0h, 3h and 5h into meiosis

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Transcriptional response of Schizosaccharomyces pombe to 5-Fluorouracil (5FU)

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2013-11-14 | E-GEOD-46919 | biostudies-arrayexpress

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Project description:In mammalian cells RACK1 serves as a scaffold protein that has a role in integrating inputs from different signaling pathways and affects translation through association with ribosomes. U. maydis contains a seven-WD40 repeat motif protein designated Rak1, which shows 68% identity to RACK1 and is homologous to Asc1p of Saccharomyces cerevisiae. The asc1 mutant could be complemented by introduction of U. maydis rak1. The deletion of rak1 affected cell growth, cell wall integrity and specifically attenuated cell fusion. This latter defect was caused by reduced expression of prf1 encoding the regulator for pheromone and pheromone-receptor genes. Rak1 interacts with a variety of ribosomal proteins and microarray analysis revealed that the deletion of rak1 led to severely reduced expression of rop1, an activator prf1. The constitutive expression of rop1 could rescue the defect of mfa1 expression as well as conjugation tube formation in response to pheromone induction in the rak1 mutant. Moreover, a solopathogenic rak1 mutant failed to respond to plant derived stimuli, resulting in attenuated filamentation and pathogenicity. This could be partially rescued by constitutive expression of the b heterodimer. These data suggest that rak1 is a regulator of rop1 expression with additional roles after cell fusion. Ustilago maydis strains FB1 and FB1?rak1 were grown on a rotary shaker (200 rpm) in liquid Ustilago complete medium with 1% glucose at 28°C to an OD600 of 0.5. The experiment was performed using three independent biological replicates per strain.

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A functional screen for copper homeostasis genes identifies a pharmacologically tractable cellular system

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Oncogenic Herpesvirus utilizes stress-induced cell cycle checkpoints for efficient lytic replication.

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