Jim,

I have been working a while building plugins for the apt-probeset- 
summarize and apt-probeset-genotype command line tools. These two  
plugins implement the AbstractExternalBinaryPlugin in affymetrix.jar.

Some additional testing is needed before I release the package for  
the BASE community. I haven't tried the apt-cel-extract tool yet but  
understand the usefulness of such a plugin if raw data need to be  
deposited in the database prior to further analyses.

In contrast to the Plier plugin that just do the plier-mm analysis  
(using apt-probeset-summarize), I have made all possible analysis  
parameters to these tools available in the plugins.

Perhaps you can reuse some of the code in these plugins. I will let  
you know when the code is ready for release.

/Robin

On Jan 2, 2008, at 2:27 AM, Collett, James R wrote:

> Happy New Year, BASErs!
>
> We are developing metagenomic assays using Affy chips with
> custom-designed probe sets. The tools available for analyzing standard
> Affy gene expression data using pm-mm comparisons, however, are not
> relevant to our chip design and analytical approach (we're only  
> using pm
> probes).
>
> Accordingly, we would like to adapt the BASE affymetrix.jar plugin to
> use other executables in the Affymetrix Power Tools suite besides just
> the apt-probeset-summarize.  Specifically, we would like to use
> apt-cel-extract within affymetrix.jar to simply extract feature
> intensities, probe IDs, probe set IDs, and XY coordinates from CEL  
> files
> into new root bioassay sets.  I have already used apt-cel-extract  
> on the
> command line to successfully extract these fields from CEL files into
> text files.
>
> For now, simply trying to feed our CEL files into the current Affy  
> PLIER
> plugin within BASE 2.5.0 gives (not surprisingly) the following error:
>
> java.io.IOException: Unexpected exit of PLIER sub-process. Return  
> value:
> 1
> at se.lu.thep.affymetrix.Plier.runBinary(Plier.java:157)
> at
> se.lu.thep.affymetrix.AbstractExternalBinaryPlugin.run 
> (AbstractExternalB
> inaryPlugin.java:262)
> at
> net.sf.basedb.core.PluginExecutionRequest.invoke 
> (PluginExecutionRequest.
> java:89)
> at
> net.sf.basedb.core.InternalJobQueue$JobRunner.run 
> (InternalJobQueue.java:
> 435)
> at java.lang.Thread.run(Thread.java:619)
>
> Are any of you interested in working with us to expand  
> affymetrix.jar to
> include functionalities from apt-cel-extract and perhaps others in the
> the Affy Power Tools suite?  If not, can you give us some  
> suggestions on
> how we might best get started on this, and what kinds of challenges or
> incompatibilities that we might face?
>
> Thanks, and Congratulations on BASE 2.5.0 - it's been working
> exceedingly well for us!
>
> Jim Collett
>
> James R. Collett, Ph.D.
> Systems Biology Fellow
> Chemical and Biological Process Development Group
> Pacific Northwest National Laboratory
>
>
>
>
>
>
>
>
>
>
>
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---
Robin Andersson, PhD student
Linnaeus Centre for Bioinformatics
Uppsala University
BMC, Box 598, SE-751 24 Uppsala, Sweden
phone: +46 18 471 66 86 (admin: 66 90)
fax: +46 18 471 66 98
office: BMC, C6:315a
email: [EMAIL PROTECTED]
http://www.lcb.uu.se/~robina/





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