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Mutations in gtf3aa disrupt metabolic pathways. A PCA of transcriptomic data from three gtf3aa−/− mutants and three gtf3aa+/+ larvae at 3 dpf. B Volcano plot of differential gene expression between gtf3aa−/− and gtf3aa+/+ larvae. C KEGG pathway enrichment showing downregulated pathways in gtf3aa−/− mutants. D Heatmap of significantly downregulated genes in the PPAR signaling pathway in gtf3aa−/− larvae. E, F Temporal expression of key metabolic genes in the PPAR pathway (acadl, cpt1b, cpt2, fads2, pdpk1a, scp2a, cd36, fabp6, and hmgcs1) from 1 to 6 dpf in gtf3aa−/− compared to gtf3aa+/+ larvae. β-actin was used as the reference gene
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