New terms in the Plant Structure Ontology

[kellogge]

On Jan 26, 2005, at 2:30 PM, Pankaj Jaiswal wrote:

>
>
> Katica Ilic wrote:
>
>> Term: cultured callus
>> Def: In vitro grown cell aggregates that originated from isolated
>> protoplasts, cell suspensions, or from callus that was induced in  
>> sterile
>> medium the supplemented by plant growth regulators.
>
> There are two instances of callus, one developing as a result of  
> injury, and another instance is the same as you have. So you may like  
> to add both.
>
> In the definition you may want to rephrase " cell aggregates" to  
> undifferentiated mass of cells/tissue.
>
>> Term: cultured embryo
>> Def: In vitro development or maintenance of isolated mature or  
>> immature
>> zygotic embryos, somatic embryos or haploid embryos (derived from male
>> gametophyte).
>> 3. Old terms revisited:
>> These two terms will go under 'leaf' node as an instance_of.
>> Term: Cauline leaf
>> Def: Leaf or pairs/whorls of leaves borne on the stem.
>> Comment: In Arabidopsis , refers to the leaves that are borne on the
>> elongated inflorescence branches.
>> Term: Rosette leaf
>> Def: One of multiple leaves borne in a rosette. Rosette - a group of
>> leaves, generally borne at the base of the plant, that are separated  
>> by
>> very short internodes.
>> Comment:  In Arabidopsis, vegetative development is characterized by  
>> the
>> production of the rosette leaves.
>
> Under the comments in place of Arabidopsis, can we say Brassicaceae?
No - they don't all go in for rosettes.  And rosettes occur frequently  
in other families as well (even some Poaceae!), so either we have to  
leave the comment for the Arabidopsis people, or just delete it  
entirely.

>
>> This term is part_of 'primary shoot'.
>> Term: apical hook
>> Synonym: hypocotyl hook
>> Def: hook-like structure which develops at the apical part of the
>> hypocotyl in dark-grown seedlings in dicots.
>> 4. Primordial terms
>> I am adding the following terms under respective organs as  
>> instance_of.
>> For the time being, I am leaving out top node term 'organ primordium',
>> since we voted not to have node 'organ', the 'organ primordium is not
>> needed fro similar reasons.
>
> This still needs further discussion, wait until we have come to a  
> conclusion. I am not sure if we can call XX-primordium as an instance  
> of XX, where XX is a mature organ.
>
> -Pankaj
>
>
Elizabeth A. Kellogg
E. Desmond Lee and Family Professor of Botanical Studies
Department of Biology
University of Missouri-St. Louis
St. Louis, MO 63121
Tel: 314-516-6217
FAX: 314-516-6233
http://www.umsl.edu/divisions/artscience/biology/Kellogg/Kellogg/ 
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