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Fig. 10 | BMC Biology

Fig. 10

From: Characterization of a thalamic nucleus mediating habenula responses to changes in ambient illumination

Fig. 10

Anion channelrhodopsin expression in the thalamus disrupts vertical migration to irradiance change. a, b Vertical position of control (nā€‰=ā€‰17) and GAL4s1020t, UAS:GtACR1-eYFP (nā€‰=ā€‰18) fish exposed to alternating periods of light and darkness. Thin lines show trajectories of individual fish, while the thicker red line indicates the average. Shading indicates 95% confidence intervals. Overall, control fish move up when lights go ON and down when lights go OFF. GtACR1-expressing fish have the opposite behavior. c, e Correlation between light and vertical movement. Correlation is high for controls, but not for GtACR1- (c) or GtACR2-expressing (e) fish. Each circle represents one fish. d, f Direction of initial vertical movement at light OFF for all fish, at all transitions. Blue indicates downward movement, while red indicates upward movement. GtACR1- (d) and GtACR2-expressing (f) fish tend to move upwards at light OFF, whereas non-expressing siblings tend to move down. g, h Amount of movement of GtACR1- (g) and GtACR2-expressing (h) fish at light ON and OFF averaged across all six cycles

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