3′UTR characteristics of vegetally localized genes.a–c Comparison of sequence characteristics of expressed isoforms of vegetally localized to all genes. a Weighted 3′UTR (untranslated region) lengths: isoforms contribute according to their relative expression, mean(vegetal genes) = 1.06 kb, mean(background) = 0.6 kb, p value < 2.2 × 10−16 (two-sample Wilcoxon test). b Weighted lengths of coding sequences (CDS), mean(vegetal genes) = 2.78 kb, mean(background) = 2.42 kb, p value = 7.655 × 10−14 (two-sample Wilcoxon test). c FPKM (fragments per kilobase of transcript per million mapped reads) sum per gene ID, IDs with <10 FPKM were omitted. Mean expression of vegetal genes 64.1 FPKM, mean of background 37.4, p value < 2.2 × 10−16, (two-sample Wilcoxon test). d Results of the k-mer enrichment analysis of 3′UTRs of 216 expressed isoforms, zebrafish vegetally localized genes. Top seven motifs and logos. e Results of the k-mer enrichment analysis of the longest 3′UTR of vegetally localized genes in X. laevis and X. tropicalis, top six motifs, and their respective description based on previous publications.
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