Re: Re: CULT: vernalization
- Subject: Re: [iris-talk] Re: CULT: vernalization
- From: B* S*
- Date: Tue, 24 Oct 2000 09:31:21 -0500
>That is really interesting John. Thanks for sharing.
>
>Soo, the FRI gene is damaged in all these rebloomers, but may be damaged
>in different ways in different ones, plus it sounds like these mutations
>could theoretically appear in any seedling.
Whoa, hold on there! We don't really know if lack of response to
vernalization is the reason rebloomers rebloom. The article John pointed
us to was indeed interesting, but it is a far cry from Arabidopsis (a sort
of plant "lab rat") to reblooming irises. As Don Spoon pointed out in a
recent article, there are a number of candidate explanations for rebloom in
bearded irises, and one, two, or all of them could be correct in individual
cases. Mutant FRI might be the cause of rebloom in some, but not until the
DNA of rebloomers is checked with the appropriate probes will we know for
sure.
Bill Shear
Department of Biology
Hampden-Sydney College
Hampden-Sydney VA 23943
(804)223-6172
FAX (804)223-6374
email<wshear@email.hsc.edu>
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