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Figure 6 | Genome Biology

Figure 6

From: Detection and analysis of alternative splicing in Yarrowia lipolytica reveal structural constraints facilitating nonsense-mediated decay of intron-retaining transcripts

Figure 6

Alternative splicing in YALI0B15598g and conservation of gene models in Dikarya species. (a) Gene models for YALI0B15598g. Exons are represented by gray or black (skipped exon) rectangles and introns by thin black lines. The size of the putative protein is 502 amino acids when intron 1 and intron 2 are efficiently spliced, or 489 amino acids when exon 2 is skipped. (b) Amino acid alignment of the amino-terminal domain of fungal and yeast proteins, homologs of YALI0B15598g. The size of this domain is given in amino acids, on the right, for each protein (from 20 to 41). The black rectangle groups together hemiascomycetous yeasts or ascomycetous filamentous fungi. Archiascomycetes are represented by S. pombe and basidiomycetes by Ustilago maydis. The numbers of spliced introns (column on the right) are colored identically when intron positions are conserved within genes: blue for most hemiascomycetous yeasts, red for Y. lipolytica, green for all ascomycetous filamentous fungi, yellow for S. pombe and black for U. maydis. (c) Intron localization. Triangles indicate the position of the introns for the different groups of genes (same colors as in (b)). Only intron 4 of Y. lipolytica is conserved in all genes.

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