FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term sugar-sensing neuron of the leg ID (Ontology) FBbt:00048210 (Fly Anatomy)
Definition Sensory neuron that responds to sugars and innervates a taste bristle in the leg. These are characterized by expression of gustatory receptors Gr61a and Gr64f, with varying combinations of other Gr64 genes, Gr5a and Gr43a (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_00048210
Annotations
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Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION       1
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 sugar-sensing neuron of the leg (all annotations which use CV term, excluding "NOT" statements)       1      1
Spanning Tree (Parents/Children)
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thoracic neuron
 |__leg taste bristle chemosensory neuron__
sugar-sensing neuron                       |
 |__sugar-sensing neuron of taste bristle__|
bristle sensory neuron                     |
 |__leg taste bristle chemosensory neuron__|
 |__sugar-sensing neuron of taste bristle__|
adult gustatory receptor neuron            |
 |__leg taste bristle chemosensory neuron__|
adult PNS neuron                           |
 |__leg taste bristle chemosensory neuron__|
                                           sugar-sensing neuron of the leg  4 rec.
                                            |__sugar-sensing neuron of mesothoracic leg tarsal taste bristle 4s
                                            |__sugar-sensing neuron of mesothoracic leg tarsal taste bristle 5b
                                            |__sugar-sensing neuron of mesothoracic leg tarsal taste bristle 5v
                                            |__sugar-sensing neuron of metathoracic leg tarsal taste bristle 4s
                                            |__sugar-sensing neuron of metathoracic leg tarsal taste bristle 5b
                                            |__sugar-sensing neuron of metathoracic leg tarsal taste bristle 5v
                                            |__sugar-sensing neuron of prothoracic leg tarsal taste bristle 2b
                                            |__sugar-sensing neuron of prothoracic leg tarsal taste bristle 3b
                                            |__sugar-sensing neuron of prothoracic leg tarsal taste bristle 4b
                                            |__sugar-sensing neuron of prothoracic leg tarsal taste bristle 4s
                                            |__sugar-sensing neuron of prothoracic leg tarsal taste bristle 5b 2 rec.
                                            |__sugar-sensing neuron of prothoracic leg tarsal taste bristle 5s
                                            |__sugar-sensing neuron of prothoracic leg tarsal taste bristle 5v 2 rec.
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Is a leg taste bristle chemosensory neuron
sugar-sensing neuron of taste bristle
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VFB:FBbt_00048210