Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Transcription profiling of yeast wild type, set1delta and swd3delta SK1 diploid cells in response to sporulation conditions, in order to determine the influence of histone methylation on the meiotic transcriptome

ABSTRACT: We analysed the global gene expression profile of wild-type, set1delta and swd3delta Saccharomyces cerevisiae SK1 diploid cells in response to sporulation conditions, in order to determine the influence of histone methylation on the meiotic transcriptome.

ORGANISM(S): Saccharomyces cerevisiae

SUBMITTER: Julie Sollier

PROVIDER: E-MEXP-41 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Set1 is required for meiotic S-phase onset, double-strand break formation and middle gene expression.

Sollier Julie J Lin Waka W Soustelle Christine C Suhre Karsten K Nicolas Alain A Géli Vincent V de La Roche Saint-André Christophe C

The EMBO journal 20040408 9

The Set1 protein of Saccharomyces cerevisiae is a histone methyltransferase (HMTase) acting on lysine 4 of histone H3. Inactivation of the SET1 gene in a diploid leads to a sporulation defect. We have studied various processes that take place during meiotic differentiation in set1delta diploid cells. The absence of Set1 leads to a delay of meiotic S-phase onset, which reflects a defect in DNA replication initiation. The timely induction of meiotic DNA replication does not require the Set1 HMTase ...[more]

PMID: 15071505

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Project description:The transposon site hybridization (TraSH) technique (Sassetti, CM et al. 2001. PNAS 98:12712-7) was utilized to identify genes important for the survival of Y. pestis within murine macrophages. A transposon library was created with ~31,500 Y. pestis KIM6+ insertion mutants. A portion of the Y. pestis transposon insertion mutant library was used to infect BMMs and the surviving bacteria (output pool) were recovered. TraSH was used to compare the output pool to a portion of the library that was not subjected to selection (input pool) in order to identify Y. pestis genes important for survival in macrophages. Each end of the transposon used for mutagenesis contains an outward-reading T7 RNA polymerase promoter. RNAs transcribed from the T7 promoters are complementary to the chromosomal DNA flanking each transposon in the library, so the RNAs can be used as “targets” to identify the approximate position of each transposon insertion in the mutant pool. Differentially labeled targets generated from the output and input pools are competitively hybridized to the 70-mer oligonucleotide microarrays obtained from Pathogen Functional Genomics Resource Center/J. Craig Venter Institute. Genes important for survival of Y. pestis in macrophages are identified by determining the ratio of the signal intensities for the output and input targets hybridizing to a given probe. A transposon library was created with ~31,500 Y. pestis KIM6+ insertion mutants. A portion of the Y. pestis transposon insertion mutant library was used to infect BMMs and the surviving bacteria (output pool) were recovered. TraSH was used to compare the output pool to a portion of the library that was not subjected to selection (input pool). Each end of the transposon used for mutagenesis contains an outward-reading T7 RNA polymerase promoter. RNAs transcribed from the T7 promoters are complementary to the chromosomal DNA flanking each transposon in the library, so the RNAs was used as “targets” to identify the approximate position of each transposon insertion in the mutant pool. Differentially labeled targets generated from the output and input pools are competitively hybridized to the 70-mer oligonucleotide microarrays obtained from Pathogen Functional Genomics Resource Center/J. Craig Venter Institute. Genes important for survival of Y. pestis in macrophages are identified by determining the ratio of the signal intensities for the output and input targets hybridizing to a given probe.

Dataset Information

Transcription profiling of yeast wild type, set1delta and swd3delta SK1 diploid cells in response to sporulation conditions, in order to determine the influence of histone methylation on the meiotic transcriptome

Publications

Set1 is required for meiotic S-phase onset, double-strand break formation and middle gene expression.

Similar Datasets

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