Hi Paolo,

Not quite sure what you want from your post, but you might want to have 
a look at the vignette titled " Visualizing Data Using GOstats" in the 
GOstats package.  It shows many ways to use GO.db and how to visualize 
the structure of the gene ontologies.  You can see it here:

http://www.bioconductor.org/help/bioc-views/devel/bioc/html/GOstats.html


   Marc



On 03/28/2011 03:12 AM, Paolo Sonego wrote:
> Hi all,
> I'd like to investigate how signiļ¬?cant GO terms are distributed over the GO
> graph for RNA-seq differentially expressed genes checked for
> over-reppresentation using the procedure available in the goseq package. The
> topGO package (see, for example, the chapter 7.4 of the included vignette)
> allows this kind of visualization for microarray data.
> Any idea how this kind of visualization can be produced for RNAseq data
> inspected using goseq?
>
> Any idea would be appreciated!
>
> Regards,
> Paolo
>
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>
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