creating graph of distribution of blast hits on the query sequence
Entering edit mode
3.7 years ago
hersh • 0

Hi Biostars,

I'm attempting to visualize the results of my BLAST search in a way similar to the graphical display of the distribution of blast hits from the web BLAST.

For example, from my BLAST search:

enter image description here

except I would like the graph to contain information including information for the distribution of all 6139 hits across my query sequence.

Since this is a large number of sequences to visualize a distribution, I am considering using a score of the number of hits on a certain region, and having an output more similar to:

enter image description here

If I were to run my blast using the BLAST+ command line tool, and read the results into R, which parts of the output should I plot in order to recreate the graphical display of the distribution? Ideally I would like to make a reusable object that can make an equivalent plot for any BLAST input.


blast R • 1.5k views

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