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. 2023 Jan 25;12:e80594. doi: 10.7554/eLife.80594

Figure 9. Stability and changes in mushroom body (MB) compartments during metamorphosis.

Figure 9.

(A) Developmental fates of the larval compartments through metamorphosis. Larval compartments that are lost at metamorphosis are uncolored. Those incorporated into the mature structure share the same color in the two stages. (B) Summary of transmitter output from the MB compartments in the larval and adult stages. The larval LP (=adult ped) and LVL (=adult γ 2) compartments switch transmitters through metamorphosis. Compartment designations as in Figure 2. (C) Summary of the roles of mushroom body output neuron (MBON) compartment shifting, MBON trans-differentiation, and MBON recruitment in producing the output configuration of the mature MB. Persisting neurons in the lobe compartments are DAN-c1/PPL1 01, DAN-d1/PPL1 03, and MBON-d1/MBON 11; the new adult-specific neuron is MBON 12; and MBON-c1/MBE-CA shifts to the calyx.