4.8 Editorial Material

The dynseq browser track shows context-specific features at nucleotide resolution

Journal

NATURE GENETICS
Volume 54, Issue 11, Pages 1581-1583

Publisher

NATURE PORTFOLIO
DOI: 10.1038/s41588-022-01194-w

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Funding

  1. National Institutes of Health (NIH) [U01HG009431, U01HG012069, R01HG007175, U01CA200060, U24ES026699, U01HG009391, UM1HG011585, U41HG010972, U24HG012070, 5U41HG002371]

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High-throughput experimental platforms revolutionize the analysis of the biochemical and functional properties of biological sequences. However, existing genome browser tracks are not suitable for visualizing high-resolution DNA sequence features.
High-throughput experimental platforms have revolutionized the ability to profile biochemical and functional properties of biological sequences such as DNA, RNA and proteins. By collating several data modalities with customizable tracks rendered using intuitive visualizations, genome browsers enable an interactive and interpretable exploration of diverse types of genome profiling experiments and derived annotations. However, existing genome browser tracks are not well suited for intuitive visualization of high-resolution DNA sequence features such as transcription factor motifs. Typically, motif instances in regulatory DNA sequences are visualized as BED-based annotation tracks, which highlight the genomic coordinates of the motif instances but do not expose their specific sequences. Instead, a genome sequence track needs to be cross-referenced with the BED track to identify sequences of motif hits. Even so, quantitative information about the motif instances such as affinity or conservation as well as differences in base resolution from the consensus motif are not immediately apparent. This makes interpretation slow and challenging. This problem is compounded when analyzing several cellular states and/or molecular readouts (such as ATAC-seq and ChIP-seq) simultaneously, as coordinates of enriched regions (peaks) and the set of active transcription factor motifs vary across cell states.

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