Matija, that sounds somewhat different than what I understood the PUIDs
were going to be, but I am new to this game.  Yes, the PGR suppliers will
need to obtain a PUID and agree to use it, but I thought GLIS was setting
up infrastructure to support that. I'm afraid I don't have a good sense of
how it will all proceed operationally (maybe because it hasn't been worked
out yet), but I agree that adoption by the material suppliers is the only
way PUIDs for PGRFAs will work.

We will have to agree to disagree about the forever part. I'm not willing
to go that far, because I don't think it is necessary to build robust
systems.

Ramona

------------------------------------------------------
Ramona L. Walls, Ph.D.
Scientific Analyst, The iPlant Collaborative, University of Arizona
Research Associate, Bio5 Institute, University of Arizona
Laboratory Research Associate, New York Botanical Garden

On Fri, Mar 13, 2015 at 1:45 PM, Matija Obreza <[log in to unmask]>
wrote:

> > This is another reason that metadata is so important.
>
> All of the MCPD descriptor values for any single accession can change,
> even the most “identifying” ones.
>
> INSTCODE can change: CIV033 (WARDA) is now replaced by BEN089
> (AfricaRice). See notice their page on
> https://www.genesys-pgr.org/wiews/CIV033
>
> ACCENUMB can change: all ACCENUMBs in PER001 recently obtained a “CIP “
> prefix.
> And I already mentioned GENUS.
>
> It is not possible to reverse-resolve a PUID from metadata, when the data
> doesn’t match.
>
> Therefore, the genebanks and other entities (e.g. breeders) with PGR
> collections are the ones who will need to (1) obtain a PUID and (2)
> maintain that PUID forever just next to the ACCENUMB and (3) always include
> the PUID when sharing data.
>
> Organisations that hold PGR material need to agree to maintain the PUID
> forever. I believe that the mechanism through which  adoption of PUIDs can
> be supported is to include PUID in the MCPD standard (as the #1 entry,
> before INSTCODE). The MCPD should specify how a new PUID can be obtained
> using GLIS / or other mechanisms.
>
>
> Best,
>
> Matija Obreza
> Global Crop Diversity Trust
> Platz der Vereinten Nationen 7
> 53113 Bonn, Germany
> Office: +49 228 85427 128
> www.croptrust.org
>
> Conserving Crop Diversity, Forever
>
>
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