Release 21

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Summary and Announcements

The latest release of the Plant Ontology, version #21, is available on our Plant Ontology Browser.

Changes to the Plant Ontology

  • This full release features the addition of 37 new PO terms, for both the Plant Anatomical Entity (PAE) (31) and Plant Structure Development Stage (PSDS) (6) branches of the ontology.
  • Names have been revised for 18 PAE terms and 23 PSDS terms.
  • Definitions of many more terms have also been revised and updated.
  • Includes all revisions of the plant_ontology.obo file from Aug 2013 (#2228) to July 2015 (#3502) on the PO SVN site.
  • This Release includes all the changes from Aug. 6th, 2015 #33ae100 to Sep 25, 2015 #01901fa

Revisions to the plant anatomical entity branch:

  • A new term- native plant cell was added to describe plant cells that are either part of a multicellular whole plant (PO:0000003)in vivo, or a unicellular organism in natura (i.e. part of a natural environment). This term is a sibling to cultured plant cell which covers all the cells grown in vitro.


Revisions to the plant structure development stage branch:

For more details of the new and revised terms, please see: Details_of_Changes_to_Release_21

New and Revised Annotation Data

New relation added to order the stages

A new relation "precedes" was added to the Plant Ontology in order to order the plant structure development stages.

This was used in the revision of the plant embryo development stages, as shown below:

Precedes.png

You can find more details about the new 'precedes' relation on the Relations_in_the_Plant_Ontology wiki page.