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Journal article

Genome-wide detection and analysis of hippocampus core promoters using DeepCAGE

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The Bioinformatics Centre, Department of Biology and Biotech Research and Innovation Centre, University of Copenhagen, Ole Maaloes vej 5, DK-2200, Denmark;1

The Giovanni Armenise-Harvard Foundation Laboratory, Sector of Neurobiology, International School for Advanced Studies (SISSA), Basovizza, 34012 Trieste, Italy;2

The National Centre for Adult Stem Cell Research, The Eskitis Institute for Cell and Molecular Therapies, Griffith University, Nathan QLD 4111, Australia;3

LSA Technology Development Group, Omics Science Center, RIKEN Yokohama Institute, Yokohama, Kanagawa 230-0045 Japan4

LSA Bioinformatics Team, Omics Science Center, RIKEN Yokohama Institute, Yokohama, Kanagawa 230-0045 Japan;5

Functional Genomics Technology Team, Omics Science Center, RIKEN Yokohama Institute, Yokohama, Kanagawa 230-0045 Japan;6

DNAFORM Inc., Yokohama, Kanagawa 230-0046, Japan;7

CBM Scrl–Consorzio per il Centro di Biomedicina Molecolare, Basovizza, 34012 Trieste, Italy8

Finding and characterizing mRNAs, their transcription start sites (TSS), and their associated promoters is a major focus in post-genome biology. Mammalian cells have at least 5–10 magnitudes more TSS than previously believed, and deeper sequencing is necessary to detect all active promoters in a given tissue.

Here, we present a new method for high-throughput sequencing of 5′ cDNA tags—DeepCAGE: merging the Cap Analysis of Gene Expression method with ultra-high-throughput sequence technology. We apply DeepCAGE to characterize 1.4 million sequenced TSS from mouse hippocampus and reveal a wealth of novel core promoters that are preferentially used in hippocampus: This is the most comprehensive promoter data set for any tissue to date.

Using these data, we present evidence indicating a key role for the Arnt2 transcription factor in hippocampus gene regulation. DeepCAGE can also detect promoters used only in a small subset of cells within the complex tissue.

Language: English
Publisher: Cold Spring Harbor Laboratory Press
Year: 2009
Pages: 255-265
ISSN: 15495477 , 08909369 , 10889051 and 15495469
Types: Journal article
DOI: 10.1101/gr.084541.108
ORCIDs: Krogh, Anders , Winther, Ole and Sandelin, Albin

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