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Spastin splice variants in zebrafish.

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posted on 21.04.2020 by Yoan Arribat, Dogan Grepper, Sylviane Lagarrigue, Timothy Qi, Sarah Cohen, Francesca Amati

(A) Spastin phylogenic tree (designed from www.phylogeny.fr –Substitution model: Dayhoff). (B) Whole-mount in situ hybridization of Spastin transcript in zebrafish embryos (at 14, 18, 28, 72 hpf). Antisense probe (AS) correspond to Spastin transcript. Sense probe (S) to negative control. n = 10 embryos for each group. (C) RT-PCR amplifying different regions of Spastin from embryonic and adult zebrafish cDNA. (D) Schematic representation of Spastin splice variants in zebrafish. (E) Confocal microscopy images of zebrafish embryonic cells overexpressing Spastin splice variants (treated with 300μM oleic acid for 18h before acquisition). Top right insets correspond to higher magnification centered on LDs. Cherry-tagged Spastin appears in red. Tubulin labeling corresponds to microtubules (cyan), Bodipy to LDs (yellow) and Hoechst to nucleus (blue). N = 4 experiments. See also S1 Fig.

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