Summary of Changes to PO May 2011

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Translations

-Added new subset for Spanish language synonyms. Scope is exact synonyms.

Changes in 'in vitro plant structure' (PO:0000004), and its children

We agreed (4-12-11 POC) to make the in vitro structures children of their respective plant structure parents (cell, tissue and embryo) and keep "in vitro plant structure" and use a textual definition and assert dual parentage to it. This was after consultation with PATO, OBI, and GO; CM. Both of the parentage relations had to be asserted in this case because (fill in reason).

This is how it looked before:

This is how it looks now: Make better image with the rest of the terms

Changes in the part_of relationships to whole plant:

Removed the part_of relationships to whole plant from: All the children of plant structure that are defined as " A plant structure...." and also plant cell.

As they are already part of a plant and can also include entities that were derived from a plant (such as the in vitro structures) or plant material such as wood, which is no longer part of a whole plant.

Renamed terms

• cultured somatic plant embryo (PO:0000011)

• nucellar plant embryo (formerly adventitious embryo)(PO:0004537)

Renamed parts of the anther wall:

(also added pollen sac… as synonyms for all of these)

-Endothecium (PO:0020002) > anther wall endothecium (needs new definition – not a hypodermis)

-Exothecium (PO:0020004) > anther wall exothecium

-Middle layer (PO:0004700) > anther wall middle layer (definition needs work)

-primary parietal cell layer (PO:0006006) > anther wall primary parietal cell layer (definition needs work)

-secondary parietal cell layer (PO:0006007) > anther wall primary parietal cell layer (definition needs work)

-inner secondary parietal cell layer (PO:0006008) > anther wall inner secondary parietal cell layer (definition needs work)

-outer secondary parietal cell layer (PO:0006009) > anther wall outer secondary parietal cell layer (definition needs work)

-tapetum (PO:0009071) > anther wall tapetum

Made pollen sac part_of microsporophyll, instead of part_of anther, and added anther has_part pollen sac.

Made anther wall is_a microsporangium wall

Made nucellar epidermis (PO:0008006) is_a megasporangium exothecium

Removed anther wall tapetum develops-from anther wall inner secondary parietal cell layer. Made is_a microsporangium tapetum.

Added new relation: adjacent_to: Used when one plant structure (the child) is in permanent contact with another plant structur (the parent).

Added stamen epidermis intersection_of is_a epidermis, intersection_of part_of stamen. Did the same thing for other phyllome epidermises (except the various leaf abaxial and leaf adaxial stomatal epidermises). This allows stomatal complexes and prickles to be inferred is_a children of their respective portions of epidermal tissue, without creating dual parentage.

Added a bunch of adjective/noun synonyms. For example, archegonium egg cell as synonym for archegonial egg cell, antheridial jacket layer as synonym of antheridium jacket layer. At some point, the names should be normalized.