Evidence map›Paper›PMID 24187504›Full record

ArticleAdvances and applications in bioinformatics and chemistry : AABC2013

Hypergeometric analysis of tiling-array and sequence data: detection and interpretation of peaks.

Erdogan Taskesen, Remco Hoogeboezem, Ruud Delwel, Marcel Jt Reinders

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Article in Advances and applications in bioinformatics and chemistry : AABC, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed
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1 citing paper in PubMed.

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5 · Who and what money

Authors and funding

4 authors.

Erdogan TaskesenDepartment of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands ; Delft Bioinformatics Lab (DBL), Delft University of Technology, Delft, The Netherlands.
Remco Hoogeboezem
Ruud Delwel
Marcel Jt Reinders

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Probing protein-deoxyribonucleic acid (DNA) is gaining popularity as it sheds light on molecular mechanisms that regulate the expression of genes. Currently, tiling-arrays and next-generation sequencing technology can be used to measure these interactions. Both methods generate a signal over the genome in which contiguous regions of peaks on the genome represent the presence of an interacting molecule. Many methods do exist to identify functional regions of interest (ROIs) on the genome. However the detection of ROIs are often not an end-point in research questions and it therefore requires data dragging between tools to relate the ROIs to information present in databases, such as gene-ontology, pathway information, or enrichment of certain genomic content. We introduce hypergeometric analysis of tiling-array and sequence data (HATSEQ), a powerful tool that accurately identifies functional ROIs on the genome where a genomic signal significantly deviates from the general genome-wide behavior. HATSEQ also includes a number of built-in post-analyses with which biological meaning can be attached to the detected ROIs in terms of gene pathways and de-novo motif analysis, and provides different visualizations and statistical summaries for the detected ROIs. In addition, HATSEQ has an intuitive graphic user interface that lowers the barrier for researchers to analyze their data without the need of scripting languages. We compared the results of HATSEQ against two other popular chromatin immunoprecipitation sequencing (ChIP-Seq) methods and observed overlap in the detected ROIs but HATSEQ is more specific in delineating the peak boundaries. We also discuss the versatility of HATSEQ by using a Signal Transducer and Activator of Transcription 1 (STAT1) ChIP-Seq data-set, and show that the detected ROIs are highly specific for the expected STAT1 binding motif. HATSEQ is freely available at: http://hema13.erasmusmc.nl/index.php/HATSEQ.

Indexed as

bioinformaticsChIP-SeqNGS analysispeak detection

Identifiers

PMID24187504
PMCPMC3810201

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