Table 4.
Protocerebral Bridge Cell Types
| Neuron Cell Type | GAL4 Line # | Figure | Special features |
|---|---|---|---|
| PBG2–9.s-FBℓ1.b-NO3P.b | R15D05, R20C08, R26C04, R38G07, R44C06, R65B12, R85H06 | 3B, 6, 16 | no G1 |
| PBG2–9.s-FBℓ1.b-NO3M.b | R15E12, R20C08, R65B12, R85H06 | 3C, 16 | no G1 |
| PBG2–9.s-FBℓ2.b-NO3A.b | R16D01, R20C08, R26C04, R37A12, R41H08, R65B12 | 3D, 16 | no G1 |
| PBG2–9.s-FBℓ3.b-NO2D.b | R16D01, R20A08, R38C04, R41G11, R44C06, R65B12, R65D07 | 3E, 16 | no G1 |
| PBG2–9.s-FBℓ3.b-NO2V.b | R13D09, R26C04, R37F06, R38C04, R41G11 | 3F, 16 | no G1 |
| PBG2–9.s-EBt.b-NO1.b | R12D09, R13D05, R33A12, R37F06,R41G11, R41H08, R65B12 | 3G, 4, 8, 11,14 | no G1 |
| PBG1–8.s-EBt.b-D/Vgall.b | R33A12 | 2, 3H, 4, 7, 8, 10,13, 14, 17 | Even glomeruli to ventral gall; odd glomeruli to dorsal gall; no G9 |
| PBG1–8.b-EBw.s-D/Vgall.b | R15C03, R19G02, R26B12, R26C04, R33A12, R60D05 | 3I, 4, 7, 8, 9, 10,13, 15, 17 | Even glomeruli to ventral gall; odd glomeruli to dorsal gall; no G9 |
| PBG9.b-EB.P.s-ga-t.b | R26B12, R27G06, R33A12 | 3J, 13, 18 | G9 only; only PB cell that arborizes in gall tip |
| PB.s-FBℓ6.b.s.ℓ3.s-Vga-s.b | R33A12, R38C04 | 3K | PB arbor very minor |
| PBG1–8.s-FBℓ3,4,5.s.b-rub.b | R27G06, R33A12, R41G11 | 2, 3L, 21, 22 | no G9; G1 cell usually follows ipsilateral projection; G1i arbor resides lateral to G8c arbor in FB |
| PBG1–7.s-FBℓ2.s-LAL.b-cre.b | R11B11, R13D09, R44C06 | 3M, 19 | no G9, no G8; most G1 cells project ipsilaterally; LAL arbor comes in 3 lengths; PB arbors multiglomerular |
| PB.b-LAL.s-PS.s | R51B11 | 3N | |
| PBG6–8.sG9.b | R18G01, R41H08 | 3O, 18 | |
| PB18.s-GxΔ7Gy.b1 | R12E10, R34E11, R38G07, R41H08 | 3P, 18 | dendritic arbor in 18 glomeruli; 2 glomeruli -- separated by 7 glomeruli --have pre-synaptic clusters |
| PB18.s-9i1i8c.b1 | R12E10, R34E11, R33D11, R38G07, R41H08 | 3Q | 3 presynaptic clusters at G9 and G1, both ipsi, and G8 on contralateral side; 7 empty glomeruli between each cluster |
| PBG1/2–9.b-SPSi.s | R33D11 | 3R, 18 | |
| PBG2–9.b-IB.s.SPS.s | R47G08, R50C12 | 3S, 3T, 18 | no G1; one cell arborizes in generally 1–2 and up to 3 glomeruli; PB and IB/SPS arbors can both be ipsilateral, or PB ipsi-and IB/SPS contralateral |
15D05: PB.s-FBℓ1.b-NO3P.b cells seen only in odd glomeruli in line 15D05.
1
These two cells are likely the same cell type.