[BioC] metadata - annotation package changes

[John Zhang]

Although I was involved in building 1.8, Seth is probably the best one to answer 
this question. My understanding is that, correct me Seth if I am wrong, a set of 
fresh base files (probe id to GeneBank accession number mappings extracted from 
Affymetrix) were used to build the new version of annotation packages.



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>Hi,
>I guess my question is mainly directed to John Zhang and
>the other authors/maintainers of the annotation packages
>for Affymetrix chips.
>
>In the latest versions (1.8) of the moe430a and rae230a
>packages, the probe set ID-to-accession number mappings
>(ACCNUM) are different from those given in previous
>versions (1.5, 1.6, 1.7).
>
>Can someone please explain to me why there has been 
>a change?
>
>Regards,
>Maria.
>
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Jianhua Zhang
Department of Medical Oncology
Dana-Farber Cancer Institute
44 Binney Street
Boston, MA 02115-6084