[Annelida] Vouchers again

Geoff Read via annelida%40net.bio.net (by g.read from niwa.co.nz)
Wed Jun 25 21:37:14 EST 2008


>>> On 21/06/2008 at 8:54 p.m., "Geoff Read" <g.read from niwa.co.nz> wrote:
> I know of instances where new molecular studies has found the 
> misidentification in the old work, but are there cases where an actual 
> taxonomist has re-examined the voucher and found the misidentification simply 
> by eyeballing it?  

None has been mentioned to me. So, strike one against the usefulness of vouchers?


> Here is an interesting complex case in freshwater limpets involving a 
> misidentified GenBank sequence:
> 
> Walther, A. C.; Lee, T.; Burch, J. B. ; Foighil, D. O. 2006:  Acroloxus 
> lacustris is not an ancylid: A case of misidentification involving the 
> cryptic invader Ferrissia fragilis (Mollusca: Pulmonata: Hygrophila).  
> Molecular Phylogenetics and Evolution 39(1): 271-275. 
> http://dx.doi.org/10.1016/j.ympev.2005.08.014 
> 
> Even more interesting is that the misidentified entry (AY577462) as A 
> lacustris is still seemingly uncorrected in GenBank. Why is this? Have I got 
> this right? It seems very strange.  
> See http://www.ncbi.nlm.nih.gov/entrez/viewer.fcgi?46451261:NCBI:6982153 

There does not seem to be a process for corrections or warning annotations to GenBank identifications by subsequent workers,
and the very notion of original misidentification may be an alien concept to the working processes there. So one shows the voucher is misidentified but there no obvious path to get this recorded?  Is this correct? Strike two against the usefulness of vouchers?

"Revisions or updates to GenBank entries can be made by the submitters"  Right, only by the submitters, but they don't do it. They just hold tight, take the heat, and pretend (in the GenBank record) they didn't stuff up. Strike three and out for usefulness of vouchers in practice?

Ps - a case of switched identities between the sequences of 2 vastly different worm taxa has been mentioned to me privately. One just happens to be a taxon I'm interested in. Nice to know - but it should be GenBank which told me.

Geoff















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