FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term bitter-sensing neuron of the leg ID (Ontology) FBbt:00048209 (Fly Anatomy)
Definition Sensory neuron that responds to bitter stimuli and innervates a taste bristle in the leg. These are characterized by expression of gustatory receptors Gr33a, Gr39a.a, Gr58c and Gr89a (Ling et al., 2014).[ FlyBase:FBrf0225125 ]
Comment Gr expression determined by an exhaustive Gr-GAL4 expression screen of all Gr genes (although Gr68a expression could not be reliably mapped) in neurons of all tarsal taste bristles of all legs (Ling et al., 2014).
Links to External Ontologies
VFB:FBbt_00048209
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Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
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 bitter-sensing neuron of the leg (all annotations which use CV term, excluding "NOT" statements)       1      3
Spanning Tree (Parents/Children)
Only view relationship: 
leg taste bristle chemosensory neuron
 |__leg taste bristle ascending tarsal chemosensory neuron__
adult ascending neuron                                      |
 |__leg taste bristle ascending tarsal chemosensory neuron__|
high salt/bitter-sensing neuron                             |
 |__bitter-sensing neuron___________________________________|
                                                            bitter-sensing neuron of the leg  4 rec.
                                                             |__bitter-sensing neuron of mesothoracic leg tarsal taste bristle 4s
                                                             |__bitter-sensing neuron of mesothoracic leg tarsal taste bristle 5b
                                                             |__bitter-sensing neuron of metathoracic leg tarsal taste bristle 4s
                                                             |__bitter-sensing neuron of metathoracic leg tarsal taste bristle 5b
                                                             |__bitter-sensing neuron of prothoracic leg tarsal taste bristle 4c
                                                             |__bitter-sensing neuron of prothoracic leg tarsal taste bristle 4s
                                                             |__bitter-sensing neuron of prothoracic leg tarsal taste bristle 5b
                                                             |__bitter-sensing neuron of prothoracic leg tarsal taste bristle 5s
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Is a leg taste bristle ascending tarsal chemosensory neuron
bitter-sensing neuron
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FlyBrain_NDB:10381
VFB:FBbt_00048209