aleurone (was :RE: Feedback Submission from Plant Ontology Live Site)

[Marty Sachs]

Pankaj,

Thanks.  A couple of references that show the sub-aleurone location 
of protein bodies containing seed storage proteins:

http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=159838&rendertype=abstract

http://ejournal.sinica.edu.tw/bbas/content/2004/1/bot451-08.html

	-Marty

At 10:26 AM -0400 8/30/04, Pankaj Jaiswal wrote:
>Hi Marty,
>
>I was the one. The definition was picked up from the glossary given 
>in Plant Anatomy by Fahn. However the definition was modified 
>because the glossary term was for "aleurone" and not "aleurone 
>layer".
>
>By Fahn:
>Aleurone grain: a characteristic structure of reserve protein 
>present in the seeds of numerous plants. In the endosperm of certain 
>plants such grains are found in the outermost cell layer which is 
>then termed the aleurone layer.
>
>By Essau:
>Aleuron/aleurone: Granules of proteins present in the seeds of 
>numerous plants. Usually restricted to the external part, the 
>aleurone layer of endosperm as in wheat or other cereals.
>
>If no one objects, I can modify the definition to
>
>The outermost cell layer of the endosperm, usually only one cell 
>thick and the only endosperm tissue alive at maturity. The cells of 
>this layer are responsible for the de-novo synthesis of enzymes 
>needed at germination.
>
>A good reference is
>Physiology of the aleurone layer and starchy endosperm during grain 
>development and early seedling growth: new insights from cell and 
>molecular biology
>Ritchie S.; Swanson S.J.; Gilroy S.
>Seed Science Research, September 2000, vol. 10, no. 3, pp. 193-212(20)
>http://www.ingenta.com/isis/searching/Expand/ingenta?pub=infobike://cabi/ssr/2000/00000010/00000003/art00001
>
>
>Marty Sachs wrote:
>
>>Where did the definition for aleurone....
>>
>>The outermost endosperm tissue of the seeds, its cells being 
>>characterized by presence of protein bodies containing seed storage 
>>proteins.
>>
>>....contained in...
>>
>>http://amigo.plantontology.org/go.cgi?action=query&view=query&search_constraint=terms&query=PO:0005360
>>
>>...and...
>>
>>http://amigo.plantontology.org/go.cgi?view=details&search_constraint=terms&depth=0&query=PO:0005360&
>>
>>....come from?
>>
>>My understanding is more in line with:
>>
>>From: http://www.wheatbp.net/glossary.htm
>>
>>aleurone (Aleurone layer). The outermost cell layer of the 
>>endosperm, usually only one cell thick in wheat and the only 
>>endosperm tissue alive at maturity. The cells of this layer are 
>>responsible for the de-novo synthesis of enzymes needed at 
>>germination.
>>
>>At least in maize, 'protein bodies containing seed storage 
>>proteins' are in the endosperm proper.
>>
>>         -Marty
>>
>>>From: owner-po-dev at brie4.cshl.org on behalf of Pankaj Jaiswal
>>>Sent: Wed 8/25/2004 11:34 AM
>>>To: po-dev at plantontology.org
>>
>>>Subject: Re: Feedback Submission from Plant Ontology Live Site
>>>
>>
>>>
>>>http://amigo.plantontology.org/go.cgi?action=query&view=query&search_constraint=terms&query=PO:0005360
>>
>>>
>>>These would allow a generic search for "anther" or to a specific one
>>>"anther (sensu Zea)" or by a term_accession (=term_id from flat files).
>>>The link provided by you is going directly to the term detail page where
>>>many of the options are not available.
>>>
>>>-Pankaj
>>>
>>>
>>>
>>>feedback_submission at brie4.plantontology.org wrote:
>>>
>>>>      *** Feedback from Plant Ontology Live Site ***
>>>>
>>
>>>  > refer_to_url: 
>>>http://amigo.plantontology.org/go.cgi?view=details&search_constraint=terms&depth=0&query=PO:0005360&
>>
>>>  >
>>>>  comments: Is this the best URL to use to lookup a term when 
>>>>linking from an external database such as MaizeGDB?
>>>>
>>>>  In particular when I wish to be able to access the PO 
>>>>associations for that term.
>>>>
>>>>  What about 'sensu' generics, eg anther.
>>>>
>>>>  name: Mary Polacco
>>>>
>>>>  email: PolaccoM at missouri.edu
>>>>
>>>>  organization:
>>>>
>>>>  send_feedback: Send your feedback
>>>>
>>>>
>>>
>>>--
>>>************************
>>>Pankaj Jaiswal, PhD
>>>G15-Bradfield Hall
>>>Dept. of Plant Breeding
>>>Cornell University
>>>Ithaca, NY-14853, USA
>>>
>>>Tel: +1-607-255-3103
>>>       +1-607-255-4109
>>>Fax: +1-607-255-6683
>>>http://www.gramene.org
>>>************************
>>
>>
>
>--
>************************
>Pankaj Jaiswal, PhD
>G15-Bradfield Hall
>Dept. of Plant Breeding
>Cornell University
>Ithaca, NY-14853, USA
>
>Tel: +1-607-255-3103
>      +1-607-255-4109
>Fax: +1-607-255-6683
>http://www.gramene.org
>************************