Distribution of signaling components in fly lamina indicated by various markers.

Notes.1Immunocytochemical identification of putative neurotransmitter/substance, protein, biosynthetic enzyme or receptor in a specific neuron type. Evidence is more complete for underlined neuron types.2Tentative identification of neuron type with marker (no clear statement/commitment was made in papers).3References (the references listed to the right in column, in italics, refer to the tentative identifications): 1. Barber et al. [51], 2. Buchner et al. [89], 3. Buchner et al. [44]4. Datum et al. [42], 5. Datum et al. [88], 6. Enell et al. [68], 7. Meyer et al. [43], 8. N?ssel et al. [38], 9. Sarthy [39], 10. Sinakevitch et al. [45]. 11. Sinakevitch and Strausfeld [47]. 12. Yasuyama and Salvaterra [49].4Including Gal4 driven GFP.5Only cell bodies labeled with ChAT antiserum.6The vGluT immunolabeling seen only in L1 and L2 cell bodies, not processes.7The immunolabeling pattern resembles ��- and or ��-processes in lamina and since we detected no immunolabeled axons in the chiasma between lamina and medulla (but occational cell bodies in position of Am neurons), we assign the immunolabeling to ��-processes of amacrine (Am) neurons.8The tangentially arranged processes detected with these markers do not completely match tangential neurons (La wf1) or amacrine neurons described from Golgi impregnations [12]. Thus we refer to them as Cha-Tan and rdl-Tan neurons. The rdl-Tan resemble the La wf2 neurons, a possible variant of La wf1 neurons [12].