FIGURE

Figure 3

ID

ZDB-FIG-191230-404

Publication

Wong et al., 2019 - Synaptic mitochondria regulate hair-cell synapse size and function

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Figure 3

Mito-Ca2+ is important for ribbon size and synapse integrity in mature hair cells.

(A-D) Representative images of mature neuromasts (5 dpf) immunostained with Ribeye b (magenta, ribbons) and MAGUK (green, postsynapses) after a 1 hr 0.1% DMSO (A), a 1 hr 2 μM Ru360 (B), a 30 min 10 μM Ru360 (C), or a 1 hr 10 μM Ru360 (D) treatment. Insets show three example synapses (white squares). E-F, Scatter plots show synapse counts (E), and ribbon area (F) in controls and in treatment groups. Ribbon areas, synapse numbers, and hair-cell counts are unaffected after a 1 hr 2 µM Ru360 treatment. Ribbon areas are larger and there are fewer synapses without significant loss of hair cells after a 30 min treatment with 10 µM Ru360 (F). After a 1 hr 10 µM Ru360 treatment there is an increase in ribbon area and a decrease in synapse (E) and hair-cell counts. N ≥ 9 neuromasts per treatment. Error bars in E-F represent SEM. An unpaired t-test was used in E and a Welch’s unequal variance t-test was used in F. ****p<0.0001. Scale bar = 5 µm in A, and 2 µm in inset.

Expression Data

Expression Detail

Antibody Labeling

Phenotype Data

Phenotype Detail

Acknowledgments

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