Good Afternoon Eric:

You can read the description of the methods used to generate these alignments
in the description page for this track:

http://genome.ucsc.edu/cgi-bin/hgTrackUi?db=dm3&g=multiz15way

Pair-wise alignments of each insect to D. melanogaster were performed
with the blastz aligner: (now replaced by lastz)
http://www.bx.psu.edu/miller_lab/dist/README.lastz-1.02.00/README.lastz-1.02.00.html

Those pair-wise aligments were put together in the multiple alignment
with multiz:
http://bio.cse.psu.edu/dist/tba.pdf

UCSC generated this multiple alignment.

--Hiram

earleyej wrote:
> Hello,
> I am working with your 14 insect CDS alignment using D. melanogaster as 
> the reference. The files I'm talking about are here:
> http://hgdownload.cse.ucsc.edu/goldenPath/dm3/multiz15way/alignments/
> 
> How were these file generated explicitly? I assume that some nested BLAT 
> routine was used. How were the alignments then cleaned? Who actually 
> created these files?
> 
> Thank you very much!
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