Rh6 photoreceptor of Bolwig organ [FBbt_00100112]
Cholinergic photoreceptor cell of the larval Bolwig’s organ expressing the green-absorbing opsin Rh6 (lambda[max] = 508nm; FBgn0019940). Fibers pass along the Bolwig nerve and terminate in the distal larval optic neuropil (Larderet et al., 2017). Their projections in the larval optic neuropil have been shown to overlap with, and influence the development of, serotonergic arborizations (Rodriguez Moncalvo and Campos, 2005), and to overlap with the dendrites of pacemaker lateral neurons (LNs) (Keene et al., 2011; Mazzoni et al., 2005). There are approximately 8 of these per Bolwig organ. Rodriguez Moncalvo and Campos (2005), show that genetic ablation or synaptic silencing of the Rh6 photoreceptor of Bolwig organ prevents the wildtype development of overlapping serotonergic arborizations. Neurotransmitter type was assessed in two ways: by double labelling of cells with an acetylcholine GAL4 driver (FBtp0014830) and a Rh6 antibody; by double labelling cells with drivers for Rh6 (FBtp0014226) and an acetylcholine antibody (Keene et al., 2011).
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VFB Term Json
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