HiCan you describe to me your "first idea" in simpler terms - what do you
expect the outcome to be? I kind of get what you want to know. I may have
done something like what you are interested but just want to know for
certain.
Thanks
BALA.

On Wed, Mar 25, 2009 at 12:22 PM, Mattias Bair <mattias.bair@gmx.at> wrote:

> Hi all!
>
> I'm currently facing a for me challenging job since I'm not an expert in
> microarray analysis and hope to get here some advice for my data analysis. I
> have to evaluate the data quality of sheep samples that have been measured
> on a Affymetrix bovine chip. Meaning, what are the over-/underexpressed
> genes from the sheep and how likely are those the right ones. Therefore, my
> first idea was to make a sequence match of the probe sequence or the gene
> associated to the probe on the sheep genome to get the gene of the sheep
> sticking to the probe. NCBI provides therefore the "cross-species megaBLAST"
> algorithm but it would be a daunting job. Is there a simple way to perform
> such an anlysis with bioconductor? Or is there a better way to get a result
> for my job?
>
> Thanks.
> --
>
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