FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term adult olfactory receptor neuron Ir64a ID (Ontology) FBbt:00110019 (Fly Anatomy)
Definition Bilateral olfactory receptor neuron that expresses the ionotropic glutamate receptor (Ir) 64a and the co-receptor Ir8a (Benton et al., 2025). There are two subtypes, one that innervates the DC4 glomerulus and one that innervates DP1m (Ai et al., 2010). Its dendrite transduces signals from a grooved sensillum of chamber III of the sacculus (Shanbhag et al., 1995).[ FlyBase:FBrf0084361 FlyBase:FBrf0212455 FlyBase:FBrf0215822 FlyBase:FBrf0262710 ]
Also Known As "ionotropic receptor neuron Ir64a" ; "ORN (Dp1m)" ; "ORN Ir64a"
Comment
Links to External Ontologies
VFB:FBbt_00110019
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       2
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
Insertions (FBti)  PHENOTYPE_MANIFEST_IN       1
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 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes  Insertions Constructs
 adult olfactory receptor neuron Ir64a (all annotations which use CV term, excluding "NOT" statements)       3      1      6      2      3
     adult olfactory receptor neuron Ir64a | decreased number       1       --       --       1       --
Spanning Tree (Parents/Children)
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eo neuron
 |__antennal olfactory receptor neuron of grooved sensillum of sacculus__
adult antennal olfactory receptor neuron                                 |
 |__antennal olfactory receptor neuron of grooved sensillum of sacculus__|
adult antennal lobe receptor neuron                                      |
 |__bilateral antennal lobe receptor neuron______________________________|
                                                                         adult olfactory receptor neuron Ir64a  15 rec.
                                                                          |__adult olfactory receptor neuron Ir64a DC4
                                                                          |__adult olfactory receptor neuron Ir64a DP1m
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Is a bilateral antennal lobe receptor neuron
antennal olfactory receptor neuron of grooved sensillum of sacculus
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Synonyms
  • "ionotropic receptor neuron Ir64a" EXACT
    "ORN (Dp1m)" EXACT
    "ORN Ir64a" EXACT[ FlyBase:FBrf0212455 ]
Secondary IDs
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VFB:FBbt_00110019