Thanks Brad. I can probably look into the xml tool definition and change. Meantime, I’ll go with the current solution of converting files.

 

Raj

 

From: Langhorst, Brad [mailto:Langhorst@neb.com]
Sent: Monday, September 17, 2012 5:15 PM
To: Praveen Raj Somarajan
Cc: galaxy-dev@lists.bx.psu.edu
Subject: Re: [galaxy-dev] Why doesn't bowtie in galaxy acceptingcolorspacereads directly?

 

Raj:

It would not be a big job to add some parameters to the xml tool definition for bowtie… if you're running this on your own instance.

 

If you're planning to run on the public galaxy, you'll probably get results more quickly by doing the conversion than by convincing the managers of that system to implement a change.

 

If it's any consolation, it's not a terribly expensive conversion - we do it for all of our SOLiD data now.

 

Brad

On Sep 17, 2012, at 4:18 AM, Praveen Raj Somarajan <Praveen.s@ocimumbio.com>

 wrote:



Thanks Brad for the reply, but the format conversion sounds bad when deal with multiple samples, especially  Paired-End or Mate-Pair samples. It doubles the task. Hence, I’d be more interested to provide csfasta/qual files with –f and –Q1, -Q2 options, as given in Bowtie manual (shown below)

 

“bowtie also handles input in the form of parallel .csfasta and _QV.qual files. Use -f to specify the .csfasta files and -Q (for unpaired reads) or --Q1/--Q2 (for paired-end reads) to specify the corresponding _QV.qual files. It is not necessary to first convert to FASTQ, though bowtie also handles FASTQ-formatted colorspace reads (with -q, the default)”

 

Why should the system spend time in converting the files when the tool itself provide the capability of accepting the original formats.

 

Pl share your thoughts.

 

Raj

 

From: Langhorst, Brad [mailto:Langhorst@neb.com] 
Sent: Saturday, September 15, 2012 5:46 PM
To: Praveen Raj Somarajan
Cc: galaxy-dev@lists.bx.psu.edu
Subject: Re: [galaxy-dev] Why doesn't bowtie in galaxy accepting colorspacereads directly?

 

Raj:

It does support colorspace files, but you have to convert them to fastq first.

That sounds bad, but you don't have to convert to basespace to store the data in fastq, so there is no loss of data - just one extra step.

 

 

Only bowtie 1.x supports colorspace (and that's all that's available on the public galaxy anyway)

 

 

 

Brad

On Sep 15, 2012, at 6:22 AM, Praveen Raj Somarajan <Praveen.s@ocimumbio.com>

 wrote:




Hi All,

 

I’m wondering why the Bowtie version in (even latest) Galaxy does NOT support .csfasta/.qual input files directly, though it is mentioned under “Map with Bowtie for SOLiD”... This is the case of “BWA for SOLiD” as well. One would expect direct support on colorspace files. Do you have any plans of implementing this?I see this would be a great support to SOLiD users.

 

Look forward to your comments

 

Thanks,

Raj

 

 

 

 

 

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This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions that are unlawful. This e-mail may contain viruses. Ocimum Biosolutions has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment.
The information contained in this email and any attachments is confidential and may be subject to copyright or other intellectual property protection. If you are not the intended recipient, you are not authorized to use or disclose this information, and we request that you notify us by reply mail or telephone and delete the original message from your mail system.

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