Hello,

"nt" refers to the "nucleotide" database. It is also linked from the link below, to here:
http://www.ncbi.nlm.nih.gov/nuccore

The "Quick start guide" can answer many questions about it:
http://www.ncbi.nlm.nih.gov/books/NBK44863/

A good technical content description is here:
ftp://ftp.ncbi.nlm.nih.gov/blast/db/README

For viral only, there is a genbank division "VRL", that could be used in a local or cloud install with megablast:
http://www.ncbi.nlm.nih.gov/genbank/htgs/divisions/

There are other options, a quick search brings up many alternatives, but you can review these to see which are the best fit for your own project's goals.

Best,

Jen
Galaxy team

On 5/24/13 2:57 PM, Sun, Wenping [USA] wrote:

Jen,

Thank you very much for the information. They are very informative.

I found the htgs and wgs databases information there. What does nt 28-Jan-2013 stand for?

Meantime, if I am looking for virus containing database, I found wgs is one. Can anyone confirm or advice further if there is other options (database)?

Thank you again!

Kathryn

*From:*Jennifer Jackson [mailto:j...@bx.psu.edu]
*Sent:* Friday, May 24, 2013 3:36 PM
*To:* Sun, Wenping [USA]
*Cc:* galaxy-user@lists.bx.psu.edu
*Subject:* [External] Re: [galaxy-user] Question on megablast databases

Hi Kathryn,

These first three are three different types of sequence databases available from GenBank The last is a genome assembly for the phiX174 genome.

Information about all can be found here:
http://www.ncbi.nlm.nih.gov/genbank/

There are many uses, one example is covered in our Metagenomics publication:
https://main.g2.bx.psu.edu/u/aun1/p/windshield-splatter

Thanks!

Jen
Galaxy team


On 5/24/13 6:59 AM, Sun, Wenping [USA] wrote:

    Dear galaxy members,

    I have a question on the databases used in megablast module from
    galaxy. There are four db options to blast against with -

    1.htgs 28-Jan-2013

    2.nt 28-Jan-2013

    3.wgs 28-Jan-2013

    4.phiX174

    Is there any further information to guide which database would be
    appropriate to use? In addition, how to find the genome
    information contained in each database?

    Many thanks,

    Kathryn




    ___________________________________________________________

    The Galaxy User list should be used for the discussion of

    Galaxy analysis and other features on the public server

    at usegalaxy.org.  Please keep all replies on the list by

    using "reply all" in your mail client.  For discussion of

    local Galaxy instances and the Galaxy source code, please

    use the Galaxy Development list:

       http://lists.bx.psu.edu/listinfo/galaxy-dev

    To manage your subscriptions to this and other Galaxy lists,

    please use the interface at:

       http://lists.bx.psu.edu/

    To search Galaxy mailing lists use the unified search at:

       http://galaxyproject.org/search/mailinglists/



--
Jennifer Hillman-Jackson
Galaxy Support and Training
http://galaxyproject.org

--
Jennifer Hillman-Jackson
Galaxy Support and Training
http://galaxyproject.org

___________________________________________________________
The Galaxy User list should be used for the discussion of
Galaxy analysis and other features on the public server
at usegalaxy.org.  Please keep all replies on the list by
using "reply all" in your mail client.  For discussion of
local Galaxy instances and the Galaxy source code, please
use the Galaxy Development list:

  http://lists.bx.psu.edu/listinfo/galaxy-dev

To manage your subscriptions to this and other Galaxy lists,
please use the interface at:

  http://lists.bx.psu.edu/

To search Galaxy mailing lists use the unified search at:

  http://galaxyproject.org/search/mailinglists/

Reply via email to