FIGURE

Fig. 6

ID

ZDB-FIG-191230-1723

Publication

Antinucci et al., 2019 - Pretectal neurons control hunting behaviour

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Fig. 6

Ablation of KalTA4u508 pretectal neurons impairs hunting.

(A) Laser ablation of KalTA4u508 pretectal neurons and assessment of visuomotor behaviours. (B) Time-projection of larval behaviour (duration 8 s) showing trajectories of Paramecia and larval zebrafish swimming in the arena. (C) Time course of behavioural tests, ablation and brain imaging. (D) Pretectal neurons before (top, 6 dpf) and 24 hr after (bottom, 7 dpf) bilateral laser-ablations in a KalTA4u508;UAS:mCherry;elavl3:itTA;Ptet:ChR2-YFP larva. Images show maximum-intensity projections (red channel, 10 planes, 10 µm depth). A, anterior; P, posterior. Scale bar, 20 µm. (E) Quantification of cell ablation in left (blue) and right (red) AF7-pretectum (N = 14 fish). (F–H) Assessment of hunting performance before and after bilateral ablation of KalTA4u508 neurons (N = 14 fish). Mean ± SEM is reported for each condition. (I–L) Average swim speed, loom-evoked escape and OMR behaviour, before and after ablations. See also Figure 6—figure supplement 1.

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Acknowledgments

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