POC Conf. Call 8-16-11

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POC meeting, Webex Conference Call; Date: Tuesday Aug 16th, 2011 10am (PDT)

In attendance:

POC members:

Absent:

Collaborators:


Acceptance of the minutes from the POC_Conf._Call_8-2-11?


Syncing PO and CL

CL plans to obsolete most of its plant cell types, and add xrefs to those for PO terms.

CL will provide bridge files as part of the CL release process.

Problematic xrefs to CL terms from PO

PO has xrefs to 46 CL terms. Most are fine. 9 are not under CL's category for plant cells, and a few are potentially problematic.

plant cell

PO:0009002 (plant cell) xref to CL:0000610 (plant cell).

CL defines plant cell as "A cell found in seeded plants."

Suggest that CL adopt PO's definition of plant cell.

epidermal cells

  • PO:0004013 (epidermal cell) xref to CL:0000362 (epidermal cell)

CL:0000362 is_a squamose epithelial cell, is_a general ecto-epithelial cell

  • PO:0000332 (epidermal pavement cell) xref to CL:0000400 is_a epidermal cell

PO:0000115 socket cell CL:0000297 is_a epidermal cell, is_a supportive cell

PO:0000282 trichome CL:0000282 is_a epidermal cell; xref to CL should be on trichome cell


others=

  • PO:0000423 (zygote) xref to CL:0000365 (zygote).

CL:0000365 is_a cell by lineage, is_a early embryonic cell. I think this is fine.

  • PO:0004531 (sheath cell) xref to CL:0000618 (sheath cell).

CL:0000618 has no definition, but is_a columnar/cuboidal epithelial cell. Suggest we remove this xref and the CL obsolete the term.

  • PO:0000263 (atrichoblast) xref to CL:0000332 (atrichoblast).

CL:0000332 is_a epidermal initial, is_a non-terminally differentiated cell (second is_a relation is redundant).

PO definition of atrichblast is: A root epidermal cell that is formed after asymmetric division of an epidermal initial and does not give rise to a root hair.

Suggest that CL obsolete CL:0000332, because it is a plant cell, and their definition is not up to date.

  • PO:0004011 (initial cell) CL:0000034 stem cell CL:0000266 meristemoid PO:0000070 is_a cell, is_a cell by function


New terms for CL

There are four terms in CL for which PO does not have equivalent terms, because it was set up for only angiosperms. Suggest we add terms like these when we work on the revisions of conducting tissue and cells. For now, Terry has removed the problematic xrefs from CL, will update them if we add new terms.

See conducting cells for non-vascular plants.

Next meeting scheduled for Tuesday, Aug 23rd, 2011 at 10am PDT/1pm EDT

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