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 Or85b ID (Ontology) FBbt:00007389 (Fly Anatomy)
Definition Adult olfactory receptor neuron (ORN) that expresses Or85b and Or85c (Benton et al., 2025). It responds to a few fruity odorants (Benton et al., 2025). It innervates antennal lobe glomerulus VM5d, bilaterally (Benton et al., 2025). It develops from an Nab precursor (Benton et al., 2025). Some of these cells have dendrites in antennal basiconic ab3 sensilla and some in ab11 sensilla (Benton et al., 2025). There are approximately 35 of these cells on each side (Benton et al., 2025).[ FlyBase:FBrf0179238 FlyBase:FBrf0187305 FlyBase:FBrf0233453 FlyBase:FBrf0262710 ]
Also Known As "adult ORN Or85b" ; "odorant receptor neuron Or85b" ; "odorant receptor neuron VM5d" (for all, see Synonyms field below)
Comment Couto et al. (2005) say Or98b reporter also targets VM5d, but no further evidence for coexpression and not mentioned in Benton et al. (2025).
Links to External Ontologies
VFB:FBbt_00007389
Annotations
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Data Class Field Records
Alleles (FBal)  PHENOTYPE_MANIFEST_IN       1
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Relevant FlyBase reports
 Alleles Genes Constructs
 adult olfactory receptor neuron Or85b (all annotations which use CV term, excluding "NOT" statements)       4      1      3
     adult olfactory receptor neuron Or85b | somatic clone       1       --       --
Spanning Tree (Parents/Children)
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eo neuron
 |__antennal olfactory receptor neuron of basiconic sensillum__
adult antennal olfactory receptor neuron                       |
 |__antennal olfactory receptor neuron of basiconic sensillum__|
adult antennal lobe receptor neuron                            |
 |__bilateral antennal lobe receptor neuron____________________|
                                                               adult olfactory receptor neuron Or85b  8 rec.
                                                                |__adult olfactory receptor neuron Or85b ab3
                                                                |__adult olfactory receptor neuron Or85b ab11
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Is a antennal olfactory receptor neuron of basiconic sensillum
bilateral antennal lobe receptor neuron
Develops from antennal olfactory receptor neuron precursor Nab
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Synonyms
  • "adult olfactory receptor neuron Or85b/98b" RELATED
    "adult ORN Or85b" EXACT
    "adult ORN Or98b" RELATED
    "odorant receptor neuron Or85b" EXACT
    "odorant receptor neuron Or98b" RELATED
    "odorant receptor neuron VM5d" EXACT
    "ORN (Or85b)" EXACT
    "ORN_VM5d" EXACT VFB_SYMBOL
Secondary IDs
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DoOR:Or85b
DoOR:Or98b
FlyBrain_NDB:10424
FlyBrain_NDB:10425
VFB:FBbt_00007389