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General Information
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| Term |
adult olfactory receptor neuron Gr21a/63a |
ID (Ontology) |
FBbt:00067064 (Fly Anatomy) |
| Definition |
Adult unilateral odorant receptor neuron that expresses Gr21a and Gr63a (Couto et al., 2005; Kwon et al., 2007; Kaur et al., 2019; Benton et al., 2025). It responds to CO2 levels (Suh et al., 2004; Kwon et al., 2007). Its dendrite transduces signals from antennal basiconic sensillum ab1 and sends output to antennal glomerulus V (Benton et al., 2025). It develops from an Nbb precursor (Benton et al., 2025). There are around 30-40 of these cells on each side (Grabe et al., 2016; Benton et al., 2025).[ FlyBase:FBrf0051437 FlyBase:FBrf0179739 FlyBase:FBrf0187305 FlyBase:FBrf0192797 FlyBase:FBrf0233453 FlyBase:FBrf0243918 ] |
| Also Known As |
"adult olfactory receptor neuron Gr21a" ; "adult ORN Gr21a" ; "ORN (Gr21a)" (for all, see Synonyms field below) |
| Comment |
Gr21a and Gr63a are only found in one ORN type and they are co-expressed (Kwon et al., 2006). |
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Links to External Ontologies
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VFB:FBbt_00067064
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Annotations
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Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
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| Data Class | Field | Records |
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| Alleles (FBal) | PHENOTYPE_MANIFEST_IN | 13 | | Insertions (FBti) | EXPRESSION_STAGE_TISSUE_POSITION | 2 | | Insertions (FBti) | PHENOTYPE_MANIFEST_IN | 1 | | Constructs (FBtp) | PHENOTYPE_MANIFEST_IN | 7 |
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Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
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| Full annotation statements | Relevant FlyBase reports |
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| Alleles | Genes | | Insertions | Constructs |
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adult olfactory receptor neuron Gr21a/63a (all annotations which use CV term, excluding "NOT" statements) | 15 | 2 | 7 | 3 | 13 | adult olfactory receptor neuron Gr21a/63a | ectopic | somatic clone | 2 | -- | -- | -- | -- | adult olfactory receptor neuron Gr21a/63a | heat sensitive | 2 | -- | -- | -- | 2 | adult olfactory receptor neuron Gr21a/63a | somatic clone | 3 | -- | -- | -- | -- |
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Relationships