anther development II

Gilles VACHON vachon at
Thu Oct 7 16:47:59 EST 1993

I have had some problems with my first attempt to send the following message.
It seems that some of you did not receive it. Sorry, for those of you who
already received it...

>Posted-Date: Thu, 07 Oct 93 06:56:05 PDT
>Date: Thu, 07 Oct 93 06:56:05 PDT
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>I am new to the list and also to the plant molecular biology community.
>I just got a position in France and I would like to build a project on
>anther development and, more precisely, positional information and
>cell-type specification within anther primordium.
>In a few words: since plant cell fate seems to be related to cell position
>rather than cell ancestry, what are the positional cues that are provided
>to cells within the anther primordium to allow them to follow a particular
>differentiation pathway (archesporial cells, tapetum, microspore mother
>cells, etc...)?
>At the moment, we haven't decided yet which plant we will work with:
>Arabidopsis, Brassica, maize, tobacco...?
>One molecular approach would consist in doing differential or substractive
>screening between two closely related stages (just when the primordium is
>starting to arise) with the hope of getting an enriched 'early genes' bank.
>The main problem here is the size of the anther primordium which does not
>allow to recover a large amount of material at these very early stages (at
>least not with Arabidopsis...) except maize maybe.
>Another possibility is the genetic approach, although mutants are more
>likely to be mutated in late developmental genes.
>Does anybody know mutants or plants that could be interesting for us?
>We would be glad to have different opinions about this research project
>from you all.
>Thank you
Gilles Vachon
University of Grenoble
Tel: (33) 76 51 45 48 
Fax: (33) 76 51 43 36
e-mail: vachon at

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