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      deepTools2: a next generation web server for deep-sequencing data analysis

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          Abstract

          We present an update to our Galaxy-based web server for processing and visualizing deeply sequenced data. Its core tool set, deepTools, allows users to perform complete bioinformatic workflows ranging from quality controls and normalizations of aligned reads to integrative analyses, including clustering and visualization approaches. Since we first described our deepTools Galaxy server in 2014, we have implemented new solutions for many requests from the community and our users. Here, we introduce significant enhancements and new tools to further improve data visualization and interpretation. deepTools continue to be open to all users and freely available as a web service at deeptools.ie-freiburg.mpg.de. The new deepTools2 suite can be easily deployed within any Galaxy framework via the toolshed repository, and we also provide source code for command line usage under Linux and Mac OS X. A public and documented API for access to deepTools functionality is also available.

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          Most cited references11

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          Identifying ChIP-seq enrichment using MACS.

          Model-based analysis of ChIP-seq (MACS) is a computational algorithm that identifies genome-wide locations of transcription/chromatin factor binding or histone modification from ChIP-seq data. MACS consists of four steps: removing redundant reads, adjusting read position, calculating peak enrichment and estimating the empirical false discovery rate (FDR). In this protocol, we provide a detailed demonstration of how to install MACS and how to use it to analyze three common types of ChIP-seq data sets with different characteristics: the sequence-specific transcription factor FoxA1, the histone modification mark H3K4me3 with sharp enrichment and the H3K36me3 mark with broad enrichment. We also explain how to interpret and visualize the results of MACS analyses. The algorithm requires ∼3 GB of RAM and 1.5 h of computing time to analyze a ChIP-seq data set containing 30 million reads, an estimate that increases with sequence coverage. MACS is open source and is available from http://liulab.dfci.harvard.edu/MACS/.
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            Genomation: a toolkit to summarize, annotate and visualize genomic intervals.

            Biological insights can be obtained through computational integration of genomics data sets consisting of diverse types of information. The integration is often hampered by a large variety of existing file formats, often containing similar information, and the necessity to use complicated tools to achieve the desired results. We have built an R package, genomation, to expedite the extraction of biological information from high throughput data. The package works with a variety of genomic interval file types and enables easy summarization and annotation of high throughput data sets with given genomic annotations.
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              Dissemination of scientific software with Galaxy ToolShed

              The proliferation of web-based integrative analysis frameworks has enabled users to perform complex analyses directly through the web. Unfortunately, it also revoked the freedom to easily select the most appropriate tools. To address this, we have developed Galaxy ToolShed.
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                Author and article information

                Journal
                Nucleic Acids Res
                Nucleic Acids Res
                nar
                nar
                Nucleic Acids Research
                Oxford University Press
                0305-1048
                1362-4962
                08 July 2016
                13 April 2016
                13 April 2016
                : 44
                : Web Server issue
                : W160-W165
                Affiliations
                [1 ]Max Planck Institute of Immunobiology and Epigenetics, 79108 Freiburg, Germany
                [2 ]University of Freiburg, Department of Computer Science, 79110 Freiburg, Germany
                [3 ]Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany
                [4 ]Weill Cornell Medical College, Applied Bioinformatics Core, Department of Physiology and Biophysics, New York, NY 10065, USA
                Author notes
                [* ]To whom correspondence should be addressed. Tel: +49 761 5108738; Fax: +49 761 5108 80738; Email: manke@ 123456ie-freiburg.mpg.de
                []These authors contributed equally to the paper as first authors.
                Author information
                http://orcid.org/0000-0002-3079-6586
                http://orcid.org/0000-0002-4166-0991
                Article
                10.1093/nar/gkw257
                4987876
                27079975
                9657bb68-8809-45be-a1a7-3b3dc430a0f8
                © The Author(s) 2016. Published by Oxford University Press on behalf of Nucleic Acids Research.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@ 123456oup.com

                History
                : 02 April 2016
                : 22 March 2016
                : 02 February 2016
                Page count
                Pages: 6
                Categories
                Web Server issue
                Custom metadata
                08 July 2016

                Genetics
                Genetics

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