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GenomicsEic1 links Mis18 with the CCAN/Mis6/Ctf19 complex to promote CENP-A assembly
CENP-A chromatin the foundation for kinetochore assembly in all eukaryotes. CENP-A is incorporated outside of S phase and depends on its chaperone HJURPScm3, and Mis18 in vertebrates and fission yeast. The recruitment of Mis18 and HJURPScm3 to centromeres is cell cycle regulated. Vertebrate Mis18 a...
ORGANISM(S): Schizosaccharomyces pombe 
2014-05-19 | E-GEOD-54685 | biostudies-arrayexpress
ProteomicsHap2-Ino80 mediated transcription facilitates de novo establishment of CENP-A chromatin
Centromeres are maintained epigenetically by the presence of CENP-A, an evolutionarily-conserved histone H3 variant, which directs kinetochore assembly and hence, centromere function. To identify factors that promote assembly of CENP-A chromatin, we affinity selected solubilised fission yeast CENP-A...
ORGANISM(S): Schizosaccharomyces pombe 
2020-05-27 | PXD016602 | Pride
Cenp-a Histones Label-free proteomics Centromeres Nucleosomes Chromatin 
ProteomicsThe SPARC complex defines RNAPII promoters in Trypanosoma brucei
Kinetoplastids are a highly divergent lineage of eukaryotes with unusual mechanisms for regulating gene expression. We previously surveyed 65 putative chromatin factors in the kinetoplastid Trypanosoma brucei. Our analyses revealed that the predicted histone methyltransferase SET27 and the Chromodom...
ORGANISM(S): Trypanosoma brucei 
2023-03-11 | PXD036454 | Pride
Set27 promoter-associated regulatory complex (sparc) Chromodomain protein crd1 Trypanosoma brucei Histone methyltransferase set27 
ProteomicsProteasome-dependent truncation of the negative heterochromatin regulator Epe1 mediates antifungal resistance.
Epe1 histone demethylase restricts H3K9-methylation-dependent heterochromatin, preventing it from spreading over, and silencing, gene-containing regions in fission yeast. External stress induces an adaptive response allowing heterochromatin island formation that confers resistance on surviving wild-...
ORGANISM(S): Schizosaccharomyces pombe 927 
2022-10-13 | PXD030205 | Pride
Fission yeast Epe1 Shotgun proteomics. Anti-fungal resistance H3k9-methylation Proteasome Heterochromatin 
TranscriptomicsFactors that promote H3 chromatin integrity during transcription prevent promiscuous deposition of CENP-A(Cnp1) in fission yeast
Specialized chromatin containing CENP-A nucleosomes instead of H3 nucleosomes is found at all centromeres. However, the mechanisms that specify the locations at which CENP-A chromatin is assembled remain elusive in organisms with regional, epigenetically regulated centromeres. It is known that norma...
ORGANISM(S): Schizosaccharomyces pombe 
2015-02-19 | E-GEOD-66106 | biostudies-arrayexpress
TranscriptomicsTelomeric repeats facilitate CENP-A incorporation via telomere binding proteins
The histone H3 variant, CENP-ACnp1, is normally assembled upon canonical centromeric sequences, but there is no apparent obligate coupling of sequence and assembly, suggesting that centromere location can be epigenetically determined. To explore the tolerances and constraints on CENP-ACnp1 depositio...
ORGANISM(S): Schizosaccharomyces pombe 
2013-08-22 | E-GEOD-46427 | biostudies-arrayexpress
TranscriptomicsA DNA polymerase ? accessory protein, Mcl1, is required for propagation of centromere structures in fission yeast
Specialized chromatin exists at centromeres and must be precisely transmitted during DNA replication. The mechanisms involved in the propagation of these structures remain elusive. Fission yeast centromeres are composed of two chromatin domains: the central CENP-ACnp1 kinetochore domain and flanking...
ORGANISM(S): Schizosaccharomyces pombe 
2008-07-22 | E-GEOD-11102 | biostudies-arrayexpress
TranscriptomicsPcs1 and Mde4 are inner centromere proteins required to prevent merotelic kinetochore orientation
Chromosome segregation depends on proper attachment of sister kinetochores to microtubules. Merotelic kinetochore orientation is an error which occurs when a single kinetochore is attached to microtubules emanating form opposite poles. Mechanisms preventing or correcting the merotelic attachment mus...
ORGANISM(S): Schizosaccharomyces pombe 
2010-06-10 | E-GEOD-5257 | biostudies-arrayexpress
TranscriptomicsGenome-wide studies of histone Me2 SWIRM and polyamine oxidase domain homologues of mammalian LSD1
In order to gain a more global view of the activity of histone demethylases we report here studies of the two fission yeast SWIRM and polyamine oxidase domain homologues of mammalian LSD1. Consistent with previous work (Nicolas et al., 2006) we find that the two S. pombe proteins, which we name Swm...
ORGANISM(S): Schizosaccharomyces pombe 
2010-05-27 | E-GEOD-6224 | biostudies-arrayexpress
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