Table 1. Axon guidance defects in animals with altered Tsc-Rheb-Tor signaling.
(Percent of optic lobes affected) | ||||||||
Incorrect Terminations | ||||||||
3rd instar larvae | Thick LP | Gaps in LP | LP Peaked | Long R7/8 | Gaps in Med. | Above LP | Below LP | In Med. |
Tsc129 (n = 58) | 70 | 41 | 7 | 5 | 31 | 45 | 52 | 72 |
Ptendj189 (n = 38) | 24 | 100 | 79 | 63 | 29 | 58 | 68 | 95 |
Rheb3M2/26.2 (n = 22) | 68 | 55 | 0 | 0 | 41 | 32 | 18 | 36 |
TorA948V (n = 12) | 17 | 17 | 0 | 8 | 0 | 0 | 17 | 33 |
S6kl-1 (n = 49) | 29 | 41 | 2 | 0 | 2 | 10 | 14 | 4 |
TorA948V Tsc129 (n = 14) | 21 | 29 | 0 | 0 | 7 | 7 | 0 | 0 |
S6kl-1 Tsc129 (n = 23) | 65 | 83 | 0 | 0 | 70 | 43 | 17 | 43 |
wild-type +Rap (n = 80) | 19 | 13 | 0 | 0 | 9 | 21 | 14 | 13 |
Tsc129 +Rap (n = 60) | 76 | 54 | 2 | 6 | 59 | 46 | 71 | 63 |
40-hour pupae | Pathfinding Defects | De-fasciculation Defects | Termination Layer Defects | |||||
Tsc129 (n = 60) | 100 | 100 | 100 | |||||
elav-Gal4>UAS-Rheb (n = 23) | 83 | 43 | 39 | |||||
Ptendj189 (n = 73) | 25 | 30 | 8 | |||||
Rheb26.2 (n = 80) | 36 | 3 | 19 | |||||
S6kl-1 (n = 32) | 28 | 9 | 25 | |||||
TorA948V (n = 20) | 35 | 0 | 10 | |||||
TorA948V Tsc129 (n = 25) | 40 | 4 | 16 |
*Tsc129, Ptendj189, and Rheb26.2 are eyFLP mosaics; all others are mutants. LP - lamina plexus; Med. - medulla; Rap - rapamycin