[Taxacom] Identification by what method?

[John Grehan]

which all points up to the fact observed by a friend of mine, that all too
often a technological advance may be confused with a conceptual advance.
The former does not call into existence the latter,

John Grehan

On Fri, Jul 31, 2015 at 10:35 AM, Fautin, Daphne G. <fautin at ku.edu> wrote:

> I agree entirely with Elena -- when students (especially, but not only)
> say "just sequence it," I point out that an accurate library of known
> sequences is needed, and they are almost universally dumbfounded.  A small
> detail seems to have been omitted in their training.
>
> Plus for the group I work on -- anthozoans -- no single gene has been
> considered diagnostic, and I believe that is still the case, so the
> "library" is full of holes and far from complete taxonomically.  The
> "universal" Barcode (what I term a capital-B Barcode, to distinguish it
> from a lower-case barcode, which seems to have become the buzzword of
> choice for a sequence), COI, obviously works only for animals, and then for
> only some of them.  It does not work for anthozoans -- yet I often receive
> a message that someone has submitted COI sequences to some resource (they
> may differ but they are pretty much the big players) and a match has been
> found -- so, presto, that is the identification. Yes, I point out, the
> closest match will always be specified -- but that does not prove anything
> other than the sequences are similar (not necessarily identical -- more
> alike than anything else in the database).  For anthozoans, few COI
> sequences have been submitted in recent years because of the known problems
> with the gene for identification, so that makes the "match" all the more
> problematic.
>
> Daphne G. Fautin
> Professor, Ecology and Evolutionary Biology
> University of Kansas
> 1200 Sunnyside Avenue
> Lawrence, Kansas 66045 USA
>
> telephone 1-785-864-3062
> fax 1-785-864-5321
> skype user name daphne.fautin
> cv: www.nhm.ku.edu/inverts/daphne.html
>
>     database of hexacorals, including sea anemones
>        most recent version released 2 January 2013
> hercules.kgs.ku.edu/Hexacoral/Anemone2/index.cfm
>
> ________________________________________
> From: Taxacom [taxacom-bounces at mailman.nhm.ku.edu] on behalf of Elena
> Kupriyanova [Elena.Kupriyanova at austmus.gov.au]
> Sent: Thursday, July 30, 2015 12:23 AM
> To: 'Timothy Jones'
> Cc: taxacom at mailman.nhm.ku.edu
> Subject: Re: [Taxacom] Identification by what method?
>
> How do you *identify* something using gene sequencing??? You compare your
> sequence to another sequence that was obtained from a tissue of an organism
> identified HOW? Case closed and dismissed :)
>
> Dr. Elena Kupriyanova
> Research Scientist
> Marine Invertebrates
>
> Associate Editor,
> Records of the Australian Museum
>
> Australian Museum Research Institute
> 6 College Street Sydney NSW 2010 Australia
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>
>
>
> -----Original Message-----
> From: Taxacom [mailto:taxacom-bounces at mailman.nhm.ku.edu] On Behalf Of
> Timothy Jones
> Sent: Thursday, 30 July 2015 2:54 PM
> To: TAXACOM
> Subject: [Taxacom] Identification by what method?
>
> Howdy All,
>
> Recently someone stated to me that the gold standard of biodiversity
> identification was gene sequencing.   Which got me to thinking - how often
> is gene sequencing used for ID as compared to traditional methods of
> identification?  My Google-fu is strong and can find zilch out there.
> Anyone know of any papers that discuss this?
>
> Thanks in advance,
>
> Tim
>
>
> --
> Timothy M. Jones
> Life Science Annex Building, Room A257
> Louisiana State University
> Baton Rouge, LA 70803
> Website - http://www.herbarium.lsu.edu/keys/
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