Transcriptomics

Dataset Information

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Translation profiling of Schizosaccharomyces pombe size separated polysome fractions provides data on average numbers of associated ribosomes for most transcripts


ABSTRACT: To obtain translational profiles for all mRNAs, polysome preparations are separated according to their size using a sucrose gradient and the mRNAs in each fraction are identified and quantified with DNA microarrays. Starting with exponentially growing cells, we analyzed 12 polysome fractions using DNA microarrays containing elements for all known and predicted genes of fission yeast. This approach provided data on average numbers of associated ribosomes for most transcripts.

INSTRUMENT(S): Axon GenePix 4000B scanning hardware

ORGANISM(S): Schizosaccharomyces pombe  

SUBMITTER: Daniel Lackner   

PROVIDER: E-TABM-222 | ArrayExpress | 2007-03-22

REPOSITORIES: ArrayExpress

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Publications

A network of multiple regulatory layers shapes gene expression in fission yeast.

Lackner Daniel H DH   Beilharz Traude H TH   Marguerat Samuel S   Mata Juan J   Watt Stephen S   Schubert Falk F   Preiss Thomas T   Bähler Jürg J  

Molecular cell 20070401 1


Gene expression is controlled at multiple layers, and cells may integrate different regulatory steps for coherent production of proper protein levels. We applied various microarray-based approaches to determine key gene-expression intermediates in exponentially growing fission yeast, providing genome-wide data for translational profiles, mRNA steady-state levels, polyadenylation profiles, start-codon sequence context, mRNA half-lives, and RNA polymerase II occupancy. We uncovered widespread and  ...[more]

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