Jan 2011 Release Page

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This page is under construction.....


Summary of Changes to PO Jan2011

List of Obsoleted Terms

  • floral stomatal complex (PO:0008044) No Annotations
  • elongation zone (PO:0020125) (because definition was incorrect and added new term with same name, new id)? [1]

see: [Term] id: PO:0003003 name: primary root elongation zone def: "A zone of small, densely cytoplasmic cells that are dividing and expanding in size located behind the zone of cell division in the primary root." [TAIR:ki] is_a: PO:0020125 ! elongation zone relationship: part_of PO:0020127 ! primary root


The term that was obsoleted was elongation zone (PO:0020125). Now that I see the definitions, I think primary root elongation zone and lateral root elongation zone should be obsoleted for the same reason. I will obsolete them and put in replacement terms

  • papilla? (do you mean papillae (PO:0002001)?? does not seem to be obsoleted??.

def: "A soft protuberance on an epidermal cell of the stigma." [ISBN:0471245208] subset: reference?

It was papillae that was obsoleted. I just checked the editor's file, and it has been obsoleted.

  • unicellular trichome branch??

trichome branch (PO:0008031) was obsoleted and replaced by multicellular trichome branch cell in PO plus unicellular trichome branch in GO.

List of New Terms

  • plant anatomical entity (PO:0025131): An anatomical entity (CARO:0000000) that is or was part of a plant.
  • plant anatomical space (PO:0025117): An anatomical space (CARO:0000005) that is part of a plant.
  • reproductive shoot system (PO:0025082): A shoot system in the sporophytic phase that has as part at least one sporangium.
  • gynoecium ridge (PO:0025088): A gynoecium in the early stages of development, characterized as a ridge on the abaxial surface of the floral meristem that develops from a gynoecium primordium.
  • dehiscence zone (PO:0025092): A portion of plant tissue that is part of a plant structure and consists of a narrow band of cells that undergoes dehiscence upon maturation of the structure.
  • pollen tube cell (PO:0025195): A plant cell that develops from a vegetative cell and forms a tubular extension of the pollen grain. [source: POC:rw]

Comment: Carries the male gametes to into or near the ovule. May be branched in gymnosperms. See GO for pollen tube and pollen tube tip. (need to add GO term ids)

  • papilla cell (PO:0025166): An epidermal pavement cell with a short protuberance. [source: POC:curators]

Comment: See GO for the subcellular component papilla.(need to add GO term ids)

  • stigma papilla cell (PO:0025168):
  • leaf papilla cell (PO:0025167):
  • archegonium egg cell
  • embryo sac egg cell
  • antheridium sperm cell
  • pollen sperm cell
  • primordium (PO:0025127)
  • phyllome primordium
  • trichome
  • multicellular trichome
  • trichome cell
  • multicellular trichome branch
  • multicellular trichome branch cell
  • phyllome trichome
  • bract trichome
  • carpel trichome
  • thorn
  • prickle
  • spine
  • root parenchyma (PO:0025095): A portion of parenchyma tissue that is part of a root system.
  • root elongation zone (because definition was incorrect and added new term with same name, new id) (PO:0025181)
  • differentiation zone
  • elongation zone
  • plant axis differentiation zone (PO:0025119)
  • stem internode differentiation zone (PO:0008042)
  • plant axis elongation zone (PO:0025180).
  • stomatal complex
  • phyllome stomatal complex
  • leaf stomatal complex

List of Renamed Terms

  • Secretory trichome was renamed glandular trichome
  • seed trichome was made the primary name for PO:0004511, (changed seed hair to exact synonym, added pubescence as related synonym)
  • root differentiation zone (PO:0020135; renaming of old term differentiation zone)
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