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TranscriptomicsDisplacement and re-accumulation of centromeric cohesin during transient pre-anaphase centromere splitting
The ring-shaped cohesin complex links sister chromatids until their timely segregation during mitosis. Cohesin is enriched at centromeres, where it provides the cohesive counter-force to bi-polar tension produced by the mitotic spindle. As a consequence of spindle tension, centromeric sequences tran...
ORGANISM(S): Saccharomyces cerevisiae 
2007-09-29 | E-GEOD-8661 | biostudies-arrayexpress
TranscriptomicsChromosomal association of the Smc5/6 complex reveals that it functions in differently regulated pathways
The SMC protein complexes safeguard genomic integrity through their functions in chromosome segregation and repair. The chromosomal localization of the budding yeast Smc5/6 complex here determined reveals that the complex works specifically on the duplicated genome in differently regulated pathways....
ORGANISM(S): Saccharomyces cerevisiae 
2010-06-11 | E-GEOD-4808 | biostudies-arrayexpress
TranscriptomicsMeiotic cohesins modulate chromosome compaction during meiotic prophase in fission yeast
The meiotic cohesin Rec8 is required for the stepwise segregation of chromosomes during the two rounds of meiotic division. By directly measuring chromosome compaction in living cells of the fission yeast Schizosaccharomyces pombe, we found an additional role for the meiotic cohesin in the compactio...
ORGANISM(S): Schizosaccharomyces pombe 
2010-07-01 | E-GEOD-5284 | biostudies-arrayexpress
TranscriptomicsDistribution of different proteins related to sister chromatid cohesion during the cell cycle.
This series is a supplementary data set for the manuscript titled "Cohesin relocation from sites of chromosomal loading to places of convergent transcription" All data shown in the paper were registered (30 ChIP-chip and one transcription data). Experimental design: 1. Type of experiment: a. ChIP ...
ORGANISM(S): Saccharomyces cerevisiae 
2010-06-09 | E-GEOD-1461 | biostudies-arrayexpress
TranscriptomicsDifferential gene expression profiling in the presence and absence of cohesin in Drosophila salivary glands (gene expression data)
Analysis of differential gene expression in third instar Drosophila salivary glands in the absence versus presence of cohesin. ABSTRACT: Developmental abnormalities observed in Cornelia de Lange Syndrome (CdLS) have been genetically linked to mutations in the cohesin machinery. These findings raise ...
ORGANISM(S): Drosophila melanogaster 
2010-12-22 | E-GEOD-21844 | biostudies-arrayexpress
TranscriptomicsA direct role for cohesin in genome-wide gene regulation and Ecdysone-response in Drosophila salivary gland
Developmental abnormalities observed in Cornelia de Lange Syndrome (CdLS) have been genetically linked to mutations in the cohesin machinery. These findings raise the possibility that cohesin, in addition to its canonical function of mediating sister chromatid cohesion, might also be involved in reg...
ORGANISM(S): Drosophila melanogaster 
2011-03-22 | E-GEOD-21874 | biostudies-arrayexpress
TranscriptomicsChromosome length influences replication-induced topological stress
During chromosome duplication the parental DNA molecule becomes over-wound, or positively supercoiled, in the region ahead of the advancing replication fork. To allow fork progression this superhelical tension has to be removed by topoisomerases, which operate by introducing transient DNA breaks. Po...
ORGANISM(S): Saccharomyces cerevisiae 
2011-02-28 | E-GEOD-26263 | biostudies-arrayexpress
TranscriptomicsRec8 guides canonical Spo11 distribution along yeast meiotic chromosomes
Spo11-mediated DNA double strand breaks (DSBs) that initiate meiotic recombination are temporally and spatially controlled. The meiotic cohesin Rec8 has been implicated in regulating DSB formation, but little is known about the features of their interplay. To shed light on this point, we investigate...
ORGANISM(S): Saccharomyces cerevisiae 
2010-05-18 | E-GEOD-8422 | biostudies-arrayexpress
TranscriptomicsProtein phosphatase 2A protects centromeric sister chromatid cohesion during meiosis I
Segregation of homologous maternal and paternal centromeres to opposite poles during meiosis I depends on post-replicative crossing over between homologous non-sister chromatids, which creates chiasmata and therefore bivalent chromosomes. Destruction of sister chromatid cohesion along chromosome arm...
ORGANISM(S): Saccharomyces cerevisiae 
2010-06-11 | E-GEOD-4791 | biostudies-arrayexpress
TranscriptomicsNutrient-Regulated Antisense and Intragenic RNAs Modulate a Signal Transduction Pathway
The budding yeast Saccharomyces cerevisiae alters its gene expression profile in response to a change in nutrient availability. The PHO-system is a well-studied case in the transcriptional regulation responding to nutritional changes in which a set of genes (PHO genes) is expressed to activate phosp...
ORGANISM(S): Saccharomyces cerevisiae 
2008-12-23 | E-GEOD-13350 | biostudies-arrayexpress
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