hello,
  You might be interested in the
topGO<http://bioconductor.org/packages/2.4/bioc/html/topGO.html>package
from BioC. Here one would need a list of genes with respective
p-values to start with. Nevertheless, a object of type *topGOdata* would
have to be created. That more pertinent than needing to create an
ExpressionSet. Creating such objects/ classes helps to apply statistical
tests for inference.
      Using online GO analysis tools (DAVID <http://david.abcc.ncifcrf.gov/>)
can be another option.

regards,


On Mon, Aug 10, 2009 at 5:15 PM, Manca Marco (PATH) <m.manca@path.unimaas.nl
> wrote:

>
> Dear Bioconductors,
>
> good morning. I hope my email finds you well.
>
> I would like to ask for your help concerning a task that I suppose being
> quite trivial but through which I am unable to find my way.
>
> Is it possible to get GOIDs for lists of genes obtained from (as instance)
> webservices or published papers?
>
> Reading annotate and GOstats' vignettes I can only find information about
> processing lists obtained by microarray analyses and organized as
> ExpressionSets...
>
> Could you point me to any relevant reading?
>
> Thank you in advance for your suggestions.
>
> My best regards,
> Marco
>
>
>
> --
> Marco Manca, MD
> University of Maastricht
> Faculty of Health, Medicine and Life Sciences (FHML)
> Cardiovascular Research Institute (CARIM)
> PO Box 616
> 6200 MD Maastricht
>
> E-mail: m.manca@path.unimaas.nl
> Office telephone: +31(0)433874633
> Personal mobile: +31(0)626441205
> Twitter: @markomanka
> _______________________________________________
> Bioconductor mailing list
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> Search the archives:
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>



--
amit mandal
Graduate Student
Genomics & Molecular Medicine lab
Institute of Genomics & Integrative Biology (IGIB)
Delhi

-- 
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