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[Preprint]. 2023 Nov 30:2023.11.29.569241. [Version 1] doi: 10.1101/2023.11.29.569241

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Fig. 3 | — a, AllMeTu2a (a_i) and MeTu2b (a_ii) neurons of the right optic lobe. Presynapses are red and postsynapses are cyan. b, Top: Single MeTu2a (b_i) or MeTu2b (b_ii) neuron, with a closeup of the AOTU portion in the top-left corner. Bottom: Side view of the same neuron, with the medulla layers labeled on the left. c, Top view of the same neurons as in (b), with the medulla columns it spans as gray circles. d, Left: Synapse distribution of presynapses (red) and postsynapses (cyan) of the neurons in (b) with reference to the medulla layers. Right: Synapse distribution of all MeTu2a/b respectively with reference to the medulla layers (relative frequency). e, Percentage of medulla input (%) of top 5 synaptic input types and unidentified types for all analyzed MeTu2a (e_i) or MeTu2b (e_ii) neurons. f, Confocal image of a MeTu2a specific split-gal4 driver (SS00336). g, MCFO image of MeTu2a neurons (SS00336).. h, Confocal image of a MeTu2a specific split-gal4 driver (SS03744). i, MCFO image of MeTu2b neurons (SS03744). j, MeTu2 main presynaptic partners. j_i, Left: MeTu2a from (b_i) in black, with all presynaptic DmDRA1 partners. Right: Same MeTu2a in gray, along with a single DmDRA1 partner in blue. Presynapses from the DmDRA1 are red. j_ii, Left: MeTu2a from (b_i) in black, with all presynaptic Mti_unknown_1 partners. Right: Same MeTu2a shown in gray, along with a single Mti_unknown_1 partner in blue.. Presynapses from the Mti_unknown_1 are red. k, Connectivity dendrogram of all analyzed MeTu2a/b neurons (labeled on the bottom). Percentage of output (red) and input (cyan) to their top TuBu and upstream partners respectively. l, Diagram of the top inputs of MeTu2a (blue) and MeTu2b (green) in the medulla, with line thickness denoting synaptic weight. m, Dorsal-ventral positions in the AOTU of all MeTu2a (blue) and MeTu2b (green) neurons in the right hemisphere as a function of their posterior-anterior positions in the medulla. n, Ellipse ratios (semi-major axis to semi-minor axis) of allMeTu2a (blue) and MeTu2b (green) of the right hemisphere as a function of the ellipse angles. o, Relative frequency of ellipse angles for all MeTu2a (o_i) and MeTu2b (o_ii) neurons in the right hemisphere. p, Ellipses of all MeTu2a (p_i) and MeTu2b (p_ii) neurons of the right optic lobe with their semi-major axes as black lines and the color of the ellipse as a function of the ellipse angle. q, Number of columns spanned by each MeTu2a (q _i) and MeTu2b (q_ii) neuron of the right optic lobe. r, Number of MeTu2a (r_i) and MeTu2b (r_ii) neurons each medulla column of the right optic lobe contains within its bounds. Gray columns have zero cells.