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. 2023 Apr 18;6:403. doi: 10.1038/s42003-023-04640-5

Fig. 1. Znt5-6 and Znt7 are required for melanogenesis in medaka fish.

Fig. 1

a Representative dorsal views of whole larvae at 8–9 dpf for wild-type (WT), Znt5+/-;Znt7-/-, and Znt5-/-;Znt7-/- medaka. The Znt5-/-;Znt7-/- medaka did not hatch, and thus is shown after manual removal of the chorion. b Representative lateral views of embryos at 8–9 dpf for Znt5-/-;Znt7-/- (left) and Znt5+/-;Znt7-/- (right) medaka before hatching. c Transmission electron microscopy (TEM) shows irregular melanosomes with less electron dense pigment in Znt5-/-;Znt7-/- medaka compared with those in WT and Znt5+/-;Znt7-/- medaka. d Melanin content was decreased in Znt5-/-;Znt7-/- mutant medaka compared with that in Znt5+/-;Znt7-/- littermate (n = 3). Statistical significance was analyzed by Student’s t-test. **p < 0.01. In ac, each analysis was performed on more than three individual medaka, and in d, the experiments were performed at least three times, and representative results are shown.