Expression data from egy wildtype and mutant embryo comparison

U4/U6 di-snRNPs were disrupted and singular U4 and U6 snRNPs accumulated in egy mutant embryos, establishing the recycling function of p110 in vivo. Based on microarray analyses, a subset of spliceosome components and splicing-related factors was coordinately upregulated in the egy mutant. This revealed an extensive network of coregulated components of the spliceosome cycle, compensating albeit inefficiently for the recycling defect. In contrast, another set of genes, many of them eye- and pancreas-specific, was downregulated in the egy mutant embryos.

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Trede NS, Medenbach J, Damianov A, Hung LH, Weber GJ, Paw BH, Zhou Y, Hersey C, Zapata A, Keefe M, Barut BA, Stuart AB, Katz T, Amemiya CT, Zon LI, Bindereif A