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An SRY homolog cooperates with a transposon-derived CENP-B protein to control sex-specific directed recombination

ABSTRACT: Occupancy profiling of Myc tagged Mc protein in fission yeast. Agilent 60mer array was used to analyze DNA recovered by immunoprecipitation of Mc-myc protein from culture of fission yeast.

ORGANISM(S): Schizosaccharomyces pombe

SUBMITTER: Shiv Grewal

PROVIDER: E-GEOD-32996 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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A homolog of male sex-determining factor SRY cooperates with a transposon-derived CENP-B protein to control sex-specific directed recombination.

Matsuda Emiko E Sugioka-Sugiyama Rie R Mizuguchi Takeshi T Mehta Sameet S Cui Bowen B Grewal Shiv I S SI

Proceedings of the National Academy of Sciences of the United States of America 20111031 46

Schizosaccharomyces pombe cells switch mating type by replacing genetic information at the expressed mat1 locus with sequences copied from mat2-P or mat3-M silent donor loci. The choice of donor locus is dictated by cell type, such that mat2 is the preferred donor in M cells and mat3 is the preferred donor in P cells. Donor choice involves a recombination-promoting complex (RPC) containing Swi2 and Swi5. In P cells, the RPC localizes to a specific DNA element located adjacent to mat3, but in M c ...[more]

PMID: 22042869

Similar Datasets

An SRY homolog cooperates with a transposon-derived CENP-B protein to control sex-specific directed recombination

Project description:Occupancy profiling of Myc tagged Mc protein in fission yeast.

2011-11-21 | GSE32996 | GEO

Asf1/HIRA facilitate global histone deacetylation and associate with HP1 to promote nucleosome occupancy at heterochromatic loci (ChIP-chip)

Project description:Occupancy profiling of H3K9ac in fission yeast Schizosaccharomyces pombe Agilent 60mer array was used to analyze DNA recovered by immunoprecipitation of H3k9ac from asynchronous culture of fission yeast.

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Clr4/Suv39 and RNA quality control factors cooperate to trigger RNAi and suppress antisense RNA (ChIP)

Project description:Occupancy profiling of Mlo3 in wild type and clr4∆ fission yeast Schizosaccharomyces pombe Agilent 60mer array was used to analyze DNA recovered by immunoprecipitation of Mlo3-Flag from asynchronous culture of fission yeast.

2011-04-12 | E-GEOD-26997 | biostudies-arrayexpress

RNA elimination machinery targeting meiotic mRNAs promotes facultative heterochromatin formation

Project description:Occupancy profiling of lysine 9 dimethylated histone H3 in fission yeast. Agilent 60mer array was used to analyze DNA recovered by immunoprecipitation of lysine 9 dimethylated histone H3 from asynchronous culture of fission yeast.

2011-12-01 | E-GEOD-33404 | biostudies-arrayexpress

Yeast X-Chromosome Associated Protein 5 (Xap5) Functions with H2A.Z to Suppress Aberrant Transcripts [ChIP-chip]

Project description:Comparison of occupancy profiling of Xap5 and H2A.Z/Pht1 in fission yeast. Agilent 60mer array was used to analyze DNA recovered by chromatin immunoprecipitation of Xap5 from fission yeast culture.

2014-07-01 | E-GEOD-46505 | biostudies-arrayexpress

A conserved factor Dhp1/Rat1/Xrn2 triggers premature transcription termination and nucleates heterochromatin to promote gene silencing [ChIP-chip]

Project description:Occupancy profiling of lysine 9 dimethylated histone H3 in fission yeast. Occupancy profiling of Red1, Mtl1, and Mmi1 proteins in fission yeast. Agilent 60mer array was used to analyze DNA recovered by immunoprecipitation of lysine 9 dimethylated histone H3, Red1, Mtl1, and Mmi1 proteins from asynchronous culture of fission yeast.

2016-01-05 | E-GEOD-74740 | biostudies-arrayexpress

Taz1-Shelterin promotes facultative heterochromatin assembly at chromosome-internal sites containing late replication origins [Taz1]

Project description:Occupancy profiling of Shelterin components in fission yeast. Facultative heterochromatin regulates gene expression, but its assembly is poorly understood. Previously, we identified facultative heterochromatin islands in the fission yeast genome and found that RNA elimination machinery promotes island assembly at meiotic genes. Here, we report that Taz1, a component of the telomere protection complex Shelterin, is required to assemble heterochromatin islands at regions corresponding to late replication origins that are sites of double-strand break formation during meiosis. The loss of Taz1 and other Shelterin subunits, including Ccq1 that interacts with Clr4/Suv39h, abolishes heterochromatin at late origins and causes defective silencing of associated genes. Moreover, the late origin regulator Rif1 affects heterochromatin at Taz1-dependent islands and subtelomeric regions. We uncover a connection between heterochromatin and replication control, and show that heterochromatin factors affect timing of replication. These analyses implicate Shelterin in facultative heterochromatin assembly at late origins, which has important implications for the maintenance of genome stability and gene regulation. Whole cell extract DNA and DNA recovered from Taz1 or Rif1-immunoprecipitated chromatin of fission yeast were random-prime PCR amplified and labeled with Cy3 (whole cell extract DNA) or with Cy5 (IP DNA) and analyzed using custom 60mer Agilent array that tiles Schizosaccharomyces pombe genome in 300bp intervals alternately on both strands.

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Histone H2A.Z cooperates with RNAi and heterochromatin factors to suppress antisense RNAs

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2009-08-25 | E-GEOD-17271 | biostudies-arrayexpress

Taz1-Shelterin promotes facultative heterochromatin assembly at chromosome-internal sites containing late replication origins [H3K9me2]

Project description:ChIP-chip analyses of lysine 9 dimethylated histone H3 in Shelterin mutants. Facultative heterochromatin regulates gene expression, but its assembly is poorly understood. Previously, we identified facultative heterochromatin islands in the fission yeast genome and found that RNA elimination machinery promotes island assembly at meiotic genes. Here, we report that Taz1, a component of the telomere protection complex Shelterin, is required to assemble heterochromatin islands at regions corresponding to late replication origins that are sites of double-strand break formation during meiosis. The loss of Taz1 and other Shelterin subunits, including Ccq1 that interacts with Clr4/Suv39h, abolishes heterochromatin at late origins and causes defective silencing of associated genes. Moreover, the late origin regulator Rif1 affects heterochromatin at Taz1-dependent islands and subtelomeric regions. We uncover a connection between heterochromatin and replication control, and show that heterochromatin factors affect timing of replication. These analyses implicate Shelterin in facultative heterochromatin assembly at late origins, which has important implications for the maintenance of genome stability and gene regulation. Whole cell extract DNA and DNA recovered from H3K9 dimethylated chromatin of fission yeast were random-prime PCR amplified and labeled with Cy3 (whole cell extract) or Cy5 (IP DNA) and analyzed using custom 60mer Agilent array that tiles Schizosaccharomyces pombe genome in 300bp intervals alternately on both strands.

2016-06-09 | E-GEOD-78820 | biostudies-arrayexpress

ChIP-Chip

Project description:The regulation of protein-coding and noncoding RNAs is linked to nuclear processes including chromatin modifications and gene silencing. However, the mechanisms that distinguish RNAs and mediate their functions are poorly understood. We describe a nuclear RNA processing network in fission yeast with a core module comprising the Mtr4-like protein, Mtl1, and the zinc finger protein Red1. The Mtl1-Red1 core promotes degradation of mRNAs and noncoding RNAs, and associates with different proteins to assemble heterochromatin via distinct mechanisms. Mtl1 also forms Red1-independent interactions with evolutionarily conserved proteins named Nrl1 and Ctr1, which associate with splicing factors. Whereas Nrl1 targets transcripts with cryptic introns to form heterochromatin at developmental genes and retrotransposons, Ctr1 is required to process intron-containing telomerase RNA. Together with our discovery of widespread cryptic introns, including in noncoding RNAs, these findings reveal unique cellular strategies for recognizing regulatory RNAs and coordinating their functions in response to developmental and environmental cues.

2013-11-21 | E-MTAB-1962 | biostudies-arrayexpress

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