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| | No regular meeting will take place this week, but those who are around will meet to review some terms definitions. | | No regular meeting will take place this week, but those who are around will meet to review some terms definitions. |
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| | + | See [[Items for future meetings]]. |
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| − | =Term Requests from [http://www.agron-omics.eu/ Agron-Omics]=
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| − | At the recent EBI Crop Ontology meeting PJ met with [http://atidb.org/group/projects.html Sean Walsh] [http://www.agron-omics.eu/ Arabidopsis GROwth Network integrating OMICS technologies]
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| − | ==Vascular tissue:==
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| − | [https://sourceforge.net/tracker/?func=detail&aid=3459287&group_id=76834&atid=835555 freely ending veinlet]: Part of leaf vein. Higher order veins that are only connected to other veins at one end.
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| − | proposed new def'n: A leaf vein above the first order that is connected to another vein only at one end.
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| − | comment: May be branched or simple. Usually used with third order or higher veins. If vein order is known, an additional annotation should be place on secondary vein (PO:0020140), tertiary vein (PO:0008021), quaternary vein (PO:0008022), or higher order vein (PO:0008023).
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| − | Note: PO currently does not have a term for first order or primary vein, but we have this term requested under [[Items_for_future_meetings#leaf_vein.2C_midrib.2C_costa]]
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| − | ==Other==
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| − | We also have a request for [https://sourceforge.net/tracker/?func=detail&aid=3459178&group_id=76834&atid=835555 pappus] from Shawna Thompson. Don't know if it is related to these.
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| − | =New terms and changes arising from previous discussions=
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| − | ==[https://sourceforge.net/tracker/?func=detail&aid=3458354&group_id=76834&atid=835555 seed (PO:0009010)]==
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| − | During a discussion at the POC meeting on 10-18-11, we realized that it would be best to have seed be a subtype of plant structure.
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| − | '''Current def.:''' A propagating organ formed in the reproductive cycle of
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| − | gymnosperms and angiosperms, derived from the ovule and enclosing an
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| − | embryo. [source: APWeb:Glossary, GR:Pankaj_Jaiswal]
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| − | comment: The seed is representative of a next generation of sporophyte.
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| − | '''New proposed def.:''' A plant structure that develops from an ovule and
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| − | contains an embryo enclosed in a seed coat.
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| − | Comment: A seed generally develops from an ovule after fertilization, but may develop without fertilization in the case of adventitious embryos, somatic embryos, or other embryos that arise through apogamy. A seed is a reproductive unit of seed plants (gymnosperms and angiosperms).
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| − | develops_from ovule, has_part embryo
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| − | Also removed seed part_of fruit relation, added seed to subsets for gymnosperms and angiosperms.
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| − | ==[https://sourceforge.net/tracker/index.php?func=detail&aid=2972117&group_id=76834&atid=835555 spore (PO:0025017)]==
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| − | Spore is_a cell, which is correct, but it is also a whole plant. Just as we changed the definition of [https://sourceforge.net/tracker/?func=detail&aid=3459493&group_id=76834&atid=835555 plant zygote] to reflect its dual nature, I suggest we change spore. Also suggest that we rename it plant spore, for consistency.
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| − | '''Current definition:''' A plant cell that arises through meiosis and develops into a gametophyte.
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| − | '''New proposed name and definition, plant spore:''' A single-celled whole plant that arises through meiosis and develops into a multi-celluar gametophyte.
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| − | Need to check if gametophytes are always multicellular in green algae.
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| − | ==[https://sourceforge.net/tracker/?func=detail&aid=3469811&group_id=76834&atid=835555 plant spore stage (PO:0025375)]==
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| − | '''proposed definition:''' A gametophyte development stage that occurs during the interval between meiosis and the germination of a spore.
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| − | comment: The plant spore stage ends with the first cell division of a spore. Includes the stage when a megaspore is present before it develops into a megagametophyte or embryo sac and the stage when a microspore is present before it develops into a microgametophyte or pollen.
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| − | intersection of is_a gametophyte development stage, has_participant spore
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| − | ==[https://sourceforge.net/tracker/?func=detail&aid=3469817&group_id=76834&atid=835555 plant spore dormant stage (PO:0025376)]==
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| − | '''proposed definition:''' A gametophyte dormant stage during which a spore participates in a dormancy process.
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| − | Comment: A dormancy process (GO:0022611) is a developmental process in which dormancy (sometimes called a dormant state) is induced, maintained or broken. Dormancy is a suspension of most physiological activity and growth that can be reactivated.
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| − | is_a gametophyte dormant stage, has_participant spore
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| − | Because plant spore stage is an XP of is_a gametophyte development stage and has_participant spore, this will be inferred to be is_a plant spore stage.
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| − | ==[https://sourceforge.net/tracker/?func=detail&aid=3469817&group_id=76834&atid=835555 plant embryo dormant stage (PO:0025377)]==
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| − | '''proposed definition:''' A sporophyte dormant stage during which a plant embryo participates in a dormancy process.
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| − | Comment: A dormancy process (GO:0022611) is a developmental process in which dormancy (sometimes called a dormant state) is induced, maintained or broken. Dormancy is a suspension of most physiological activity and growth that can be reactivated. In seed plants, a plant embryo dormant stage may be part of a seed dormant stage.
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| − | is_a sporophyte dormant stage, has_participant plant embryo
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| − | Since plant embryo stage is an XP of is_a sporophyte development stage and has_participant plant embryo, this will be inferred to be is_a plant embryo stage.
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| − | Also added seed dormant stage has_ part plant embryo dormant stage. Can't add the inverse part_of relation, because not all embryo dormancy occurs in seeds.
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| | =Next meeting scheduled for Tuesday, Jan. 24th, 2012 at 10am PST/1pm EST= | | =Next meeting scheduled for Tuesday, Jan. 24th, 2012 at 10am PST/1pm EST= |
