format-version: 1.2
date: 13:07:2012 17:15
saved-by: midori
default-namespace: gene_ex_extension_relations
ontology: gene_ex_extension_relations

[Typedef]
id: during
name: during
def: "happens_during or exists_during." [BFO:cjm]
is_transitive: true
comment: use with GO term for cell cycle phase, response, etc.

[Typedef]
id: in_absence_of
name: in_absence_of
def: "a substance is absent" [PomBase:mah]
comment: link between gene expression and a chemical; use when expression is observed in the absence of the chemical

[Typedef]
id: in_presence_of
name: in_presence_of
def: "a substance is present" [PomBase:mah]
comment: link between gene expression and a chemical; use when expression is observed in the presence of the chemical