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[bioontology-support] [BioPortal] Feedback from cooperl

Trish Whetzel whetzel at
Tue May 21 13:21:44 PDT 2013

Hi Lol, 

This looks like a bug based on the OBO stanza:

id: PO:0008030
name: trichome cell
namespace: plant_anatomy
def: "A plant cell that is part of a trichome." [POC:curators]
comment: A branch of a unicellular trichome is a GO sub-cellular component.
subset: CL
synonym: "c&#233lula del tricoma (Spanish)" EXACT Spanish [POC:Maria_Alejandra_Gandolfo]
synonym: "non-glandular unicellular trichome" NARROW []
synonym: "non-secretory unicellular trichome" NARROW []
synonym: "simple trichome" NARROW [PMID:19939948]
synonym: "unicellular trichome" NARROW []
synonym: "毛(毛茸、糸状体)細胞 (Japanese)" EXACT Japanese [NIG:Yukiko_Yamazaki]
is_a: PO:0009002 ! plant cell
relationship: develops_from PO:0004013 ! epidermal cell
relationship: part_of PO:0000282 ! trichome

I'll submit a bug report on this. Also, note that it appears the "Get Term" web service call is also returning this incorrect is_a relationship:


On May 20, 2013, at 10:11 AM, support at wrote:

> Name: cooperl
> Email: cooperl at
> Location:
> Comment:
> There seems to be some thing odd going on with the visualization tool.  It seems that some or all of the part_of relations are being displayed as is_a.  
> "trichome cell" should be part_of "trichome", not is_a.  
> Also, example from GO: root hair tip is part_of root hair, not is_a root hair.
> Thanks Laurel
> _______________________________________________
> bioontology-support mailing list
> bioontology-support at

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