ZFIN ID: ZDB-IMAGE-150826-3
Figures for Auer et al., 2015

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Fig. 1 Generation of loss-of-function alleles of the anterograde motor protein Kif5aa.

(A) Employing TALENs targeting exon4 of the kif5aa open reading frame, we generated two loss-of-function alleles with a 10 bp and 13 bp deletion, respectively. These result in a frameshift at amino acid 122 and a premature stop codon after 162 of 1033aas within the motor domain of Kif5aa. L = linker region, N = neck region. (B) In situ hybridization shows a substantial downregulation of kif5aa mRNA in 24 hpf and 72 hpf old embryos. Scale bars (from left to right) = 150 µm, 100 µm, 50 µm. RGCL = Retinal Ganglion Cell layer. (C) Quantitative reverse transcription PCR confirms that only 47% of wild-type kif5aa mRNA expression levels are reached in homozygote mutant embryos at 4 dpf (p < 0.01). (D) Kif5aa mutant embryos show expanded melanosomes within their melanocytes and appear dark compared to wild-type embryos. Scale bars = 200 µm. (E) They fail to inflate their swim bladder and die 10 days post fertilization. Scale bars = 400 µm. Arrow: pointing at the respective location of the swim bladder. SB = swim bladder.

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