new term: carpel anlagen

[katica at acoma.Stanford.EDU]

Pankaj,

I must admit, never heard of 'carpel anlagen', but how is this different 
from 'carpel primordium'?

Isn't 'primordium' what 'analgen' means ? (just looking at Merriam Webster 
on-line)

Katica

On Tue, 14 Feb 2006, Pankaj Jaiswal wrote:

>
> I need a new term to describe expression of DL gene in rice. The term is 
> carpel anlagen.
>
> definition: A presumptive region (carpel anlagen) on the floral meristem, 
> where carpel primordia would initiate.
> ref: PMID: 14729915
>
>
> Here is the cited text from
> Yamaguchi et al, Plant Cell 16:500-509 (2004)
> The YABBY Gene DROOPING LEAF Regulates Carpel Specification and Midrib 
> Development in Oryza sativa
> http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=14729915&dopt=Abstract
>
> 'DL expression was detected first in a few cells in the flower meristem at 
> the lemma side (Figure 4E) and then in cells at the flank of the meristem 
> (Figure 4F). These DL expression domains corresponded to the presumptive 
> region (carpel anlagen), where carpel primordia would initiate. Shortly after 
> this expression, carpel primordia began to form. At this stage, DL was 
> expressed specifically and uniformly in carpel primordia (Figures 4G to 4I). 
> No expression was detected in the flower meristem (Figures 4E and 4F) or the 
> ovule primordium (Figures 4G to 4I). By contrast, expression of DL was not 
> observed in dl-sup1 mutants throughout flower development (data not shown). 
> Thus, the expression domains of DL are restricted to the carpel anlagen and 
> the carpel primordia, and these expression patterns of DL are consistent with 
> its specific role in carpel development.'
>
>
>

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