FB2026_03 , released September 17, 2026
CV Term Report
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Term sugar-sensing neuron of taste bristle ID (Ontology) FBbt:00100041 (Fly Anatomy)
Definition A sugar-sensing neuron that innervates a taste bristle (Montell, 2009). These neurons may also respond to amino acids (Dunipace et al., 2001; Ganguly et al., 2017).[ FlyBase:FBrf0137203 FlyBase:FBrf0179508 FlyBase:FBrf0208984 ]
CommentThe projection of S cells (sugar-sensitive) of the labellum to the subesophageal zone, and of leg gustatory sensilla to the thoracic ganglion are segregated from the projections of L2 GRNs (bitter-sensitive) to the central brain (Wang et al., 2004).
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VFB:FBbt_00100041
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Insertions (FBti)EXPRESSION_STAGE_TISSUE_POSITION
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 sugar-sensing neuron of taste bristle (all annotations which use CV term, excluding "NOT" statements)
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eo neuron
 |__bristle sensory neuron__
gustatory receptor neuron   |
 |__sugar-sensing neuron____|
                            sugar-sensing neuron of taste bristle  40 rec.
                             |__sugar-sensing neuron of labellar taste bristle 7 rec.
                             |   |__adult Ir56d neuron of labellar taste bristle
                             |   |__sugar-sensing neuron of bitter-sensitive labellar taste bristle
                             |   |__sugar-sensing neuron of large labellar taste bristle 4 rec.
                             |__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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bristle sensory neuron
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FlyBrain_NDB:10382
VFB:FBbt_00100041