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. 2016 Jul;3(1):99-101.
doi: 10.1016/j.cels.2015.07.012.

Juicebox Provides a Visualization System for Hi-C Contact Maps with Unlimited Zoom

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Juicebox Provides a Visualization System for Hi-C Contact Maps with Unlimited Zoom

Neva C Durand et al. Cell Syst. 2016 Jul.

Abstract

Hi-C experiments study how genomes fold in 3D, generating contact maps containing features as small as 20 bp and as large as 200 Mb. Here we introduce Juicebox, a tool for exploring Hi-C and other contact map data. Juicebox allows users to zoom in and out of Hi-C maps interactively, just as a user of Google Earth might zoom in and out of a geographic map. Maps can be compared to one another, or to 1D tracks or 2D feature sets.

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Figure 1
Figure 1. Juicebox enables exploration of contact maps at many resolutions
Here, we see a screenshot of Juicebox zoomed into 5-Kb resolution on chromosome 3. The toolbar at the top allows users to quickly navigate between different chromosomes, views, normalizations, and resolutions. Users can load one-dimensional tracks and compare them to features seen in the heatmap. Two-dimensional features can be superimposed on the main map. Several peaks are annotated (cyan), each peak indicating the presence of a chromatin loop. A peak in the CTCF track, indicating CTCF binding, is seen at most loop anchors. At the top right, a mini-map shows the whole chromosome at low resolution. Below, hover text shows additional data for one of the highlighted peaks.

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