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NGS Browser

Visualize and explore alignments


The NGS Browser app lets you visualize and explore the alignment of reads to a reference sequence.

You can:

  • Visualize short-read data aligned to a nucleotide reference sequence, and compare multiple data sets aligned against a common reference sequence.

  • View coverage of different regions of the reference sequence.

  • Investigate quality and other details of aligned reads.

  • Identify polymorphisms and visualize insertions and deletions.

  • Retrieve feature annotations relative to a specific region of the reference sequence.

Open the NGS Browser App

  • MATLAB® Toolstrip: On the Apps tab, under Computational Biology, click the app icon.

  • MATLAB command prompt: Enter ngsbrowser.


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Create a BioMap object from a SAM-formatted file.

b = BioMap('ex1.sam');

Display the object in the NGS Browser.


Related Examples

Programmatic Use

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ngsbrowser opens the NGS Browser app.

ngsbrowser(biomapObj) imports a BioMap object biomapObj containing sequence alignment information and opens it in the app.

Introduced in R2011b

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