A Single SR-like Protein, Npl3, Promotes Pre-mRNA Splicing in Budding Yeast
A Single SR-like Protein, Npl3, Promotes Pre-mRNA Splicing in Budding Yeast
Mammalian SR proteins are a family of reversibly phosphorylated RNA binding proteins primarily studied for their roles in alternative splicing. While budding yeast lack alternative splicing, they do have three SR-like proteins: Npl3, Gbp2, and Hrb1. However, these have been best characterized for their roles in mRNA export, leaving their potential roles in splicing largely unexplored. Here, we combined high-density genetic interaction profiling and genome-wide splicing-sensitive microarray analysis to demonstrate that a single SR-like protein, Npl3, is required for efficient splicing of a large set of pre-mRNAs in Saccharomyces cerevisiae. We tested the hypothesis that Npl3 promotes splicing by facilitating cotranscriptional recruitment of splicing factors. Using chromatin immunoprecipitation, we showed that mutation of NPL3 reduces the occupancy of U1 and U2 snRNPs at genes whose splicing is stimulated by Nbl3. This result provides strong evidence that an SR protein can promote recruitment of splicing factors to chromatin.
- California Institute for Biomedical Research United States
- University of California, San Francisco United States
Saccharomyces cerevisiae Proteins, Serine-Arginine Splicing Factors, RNA Splicing, Nuclear Proteins, RNA-Binding Proteins, Cell Biology, Saccharomyces cerevisiae, Ribonucleoprotein, U2 Small Nuclear, Chromatin, Ribonucleoprotein, U1 Small Nuclear, RNA Precursors, Spliceosomes, Molecular Biology, Gene Deletion, Oligonucleotide Array Sequence Analysis, Protein Binding
Saccharomyces cerevisiae Proteins, Serine-Arginine Splicing Factors, RNA Splicing, Nuclear Proteins, RNA-Binding Proteins, Cell Biology, Saccharomyces cerevisiae, Ribonucleoprotein, U2 Small Nuclear, Chromatin, Ribonucleoprotein, U1 Small Nuclear, RNA Precursors, Spliceosomes, Molecular Biology, Gene Deletion, Oligonucleotide Array Sequence Analysis, Protein Binding
35 Research products, page 1 of 4
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2017IsRelatedTo
- 2018IsRelatedTo
chevron_left - 1
- 2
- 3
- 4
chevron_right
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).93 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Top 10% influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Top 10% impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Top 10%
