Abstract
It has been assumed that constitutive and regulated splicing of RNA polymerase II transcripts depends exclusively on signals present in the RNA molecule. Here we show that changes in promoter structure strongly affect splice site selection. We investigated the splicing of the ED I exon, which encodes a facultative type III repeat of fibronectin, whose inclusion is regulated during development and in proliferative processes. We used an alternative splicing assay combined with promoter swapping to demonstrate that the extent of ED I splicing is dependent on the promoter structure from which the transcript originated and that this regulation is independent of the promoter strength. Thus, these results provide the first evidence for coupling between alternative splicing and promoter-specific transcription, which agrees with recent cytological and biochemical evidence of coordination between splicing and transcription.
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Dates
Type | When |
---|---|
Created | 23 years ago (July 26, 2002, 10:31 a.m.) |
Deposited | 3 years, 4 months ago (April 13, 2022, 2:20 p.m.) |
Indexed | 2 weeks, 1 day ago (Aug. 6, 2025, 9:10 a.m.) |
Issued | 27 years, 10 months ago (Oct. 14, 1997) |
Published | 27 years, 10 months ago (Oct. 14, 1997) |
Published Online | 27 years, 10 months ago (Oct. 14, 1997) |
Published Print | 27 years, 10 months ago (Oct. 14, 1997) |
@article{Cramer_1997, title={Functional association between promoter structure and transcript alternative splicing}, volume={94}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.94.21.11456}, DOI={10.1073/pnas.94.21.11456}, number={21}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Cramer, Paula and Pesce, C. Gustavo and Baralle, Francisco E. and Kornblihtt, Alberto R.}, year={1997}, month=oct, pages={11456–11460} }