Hi Christopher and Björn,

I have some comments about this because I also came up with these questions some time ago...

From: "Björn Grüning" <bjoern.gruening@gmail.com>
To: "Previti" <christopher.previti@dkfz-heidelberg.de>, "galaxy-dev" <galaxy-dev@lists.galaxyproject.org>
Sent: Friday, September 7, 2018 9:56:41 AM
Subject: Re: [galaxy-dev] Salmon references and data manager

Hi Christopher!

> Dear Björn,
>
> I just installed Salmon on our Galaxy instance and I have a couple of
> basic questions.

Sure, thanks for getting in touch!

> Currently the reference transcriptomes are put in the same data table as
> the genomes, would it be of interest to separate this and give the
>
> transcriptomes their own table? I could probably try to do this...

That I don't understand?
Salmon is using this one here, isn't it?

https://github.com/bgruening/galaxytools/blob/master/tools/salmon/salmon.xml#L233

What he means, I think, is the table to build the index from. Data managers that take a transcriptome as input get it from the all_fasta table, I think that is what he means by the genomes table.

As I said at some point I also thought it may be useful to have a separate table (e.g all_transcriptomes) so that the genome and transcriptome entries of the same build don't get mixed. I think it would be good to have a way of listing only the transcriptomes from the all_gff but that would requiere some kind of standard on the naming to filter. We had this in our instance at some point but didn't help at all so I just modified the data manger to use the all_fasta and that is what I published.

So, @Christopher ...having a separate table is not the solution although it would be easier for the GUI. For now just giving the entries a descriptive name to indicate the entries correspond to a transcriptome is enough and works ok for us. In any case this is not for users and at least for us its all handled through the API so, again, it's just a matter of taking care of the entries names and you are fine with using the all_fasta table.

> There is a data manager available that unfortunately has a bug. We fixed
> that and it now populates the reference genome data table.

Do you mean this one?

https://github.com/ieguinoa/data_manager_salmon_index_builder

> I would probably modify this as well use the new table. Could this be
> useful? I'm not sure how to proceed...would I give you the modified
> Salmon wrapper for inclusion in the package?

If you can, please feel free to create PRs to the repositories, so we
can all reviewed it. And then, when we merge, it gets automatically
updated to the Tool Shed :)

As Björn said, if that's the one you are talking about please create a PR or an isssue or contact me.

Cheers,

Ignacio

Thanks!
Bjoern

> Best regards,
>
> Christopher
>
>
> --
> *Dr. Christopher Previti*
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> High Throughput Sequencing (W190)
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>
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>
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