FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term calcium-sensing neuron of labellar S-type taste bristle ID (Ontology) FBbt:00047485 (Fly Anatomy)
Definition Neuron of the labellum that is sensitive to increases in calcium concentration and is necessary for high calcium avoidance behavior (Lee et al., 2018). It also responds to other cations (Montell, 2021). These have dendrites in S-type sensilla (short labellar taste bristles), including S3, S5, S6, S7, S8 and S10 (Lee et al., 2018). The response to calcium requires the Ir25a and Ir76b co-receptors (Lee et al., 2018).[ FlyBase:FBrf0237619 FlyBase:FBrf0248270 ]
Also Known As "calcium-sensing neuron of the labellum" ; "labellar taste bristle type DS gustatory receptor neuron" ; "type DS GRN of labellum"
Comment Response to calcium is greatly reduced, but not eliminated when Ir62a is absent. Authors also believe that more Ir subunits are involved (Lee et al., 2018).
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VFB:FBbt_00047485
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 calcium-sensing neuron of labellar S-type taste bristle (all annotations which use CV term, excluding "NOT" statements)       1      2
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salt-sensing neuron_________________________
labellar taste bristle chemosensory neuron__|
high salt/bitter-sensing neuron_____________|
                                            high salt-sensing neuron of labellar taste bristle
                                             |__calcium-sensing neuron of labellar S-type taste bristle  3 rec.
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VFB:FBbt_00047485