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. 2014 Jun 1;30(11):1620-2.
doi: 10.1093/bioinformatics/btu082. Epub 2014 Feb 7.

HiBrowse: multi-purpose statistical analysis of genome-wide chromatin 3D organization

Affiliations

HiBrowse: multi-purpose statistical analysis of genome-wide chromatin 3D organization

Jonas Paulsen et al. Bioinformatics. .

Abstract

Recently developed methods that couple next-generation sequencing with chromosome conformation capture-based techniques, such as Hi-C and ChIA-PET, allow for characterization of genome-wide chromatin 3D structure. Understanding the organization of chromatin in three dimensions is a crucial next step in the unraveling of global gene regulation, and methods for analyzing such data are needed. We have developed HiBrowse, a user-friendly web-tool consisting of a range of hypothesis-based and descriptive statistics, using realistic assumptions in null-models.

Availability and implementation: HiBrowse is supported by all major browsers, and is freely available at http://hyperbrowser.uio.no/3d. Software is implemented in Python, and source code is available for download by following instructions on the main site.

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Figures

Fig. 1.
Fig. 1.
(A) Overview of statistical hypothesis tests implemented in HiBrowse. See Gundersen et al. (2011) for an in-depth explanation of track types, and the Supplementary Material for details about each statistic. (B) Example of a HiBrowse analysis using the ‘Linked elements more/less co-localized in 3D?’ statistic, investigating whether fusion transcripts are co-localized in 3D. (C) Result page from the analysis, presenting the question asked by the user together with both a simplistic and a more detailed answer giving the P-value and model assumption details. Links are provided to full details of the results at individual chromosome regions

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