U2AF Homolog Required for Splicing in Vivo

22 October 1993

journal article
Published by American Association for the Advancement of Science (AAAS) in Science

Vol. 262 (5133) , 573-575
https://doi.org/10.1126/science.8211184

Abstract

Several fission yeast temperature-sensitive mutants defective in pre-mRNA processing (prp- mutants) at the nonpermissive temperature have been identified. Here, the prp2+ gene has been cloned by its ability to complement the temperature-sensitive growth defect of a prp2- mutant. The gene also corrects the pre-mRNA splicing defect of prp2- mutants and encodes a 59-kilodalton polypeptide (PRP2). A molecular characterization indicates that PRP2 is a previously uncharacterized yeast splicing factor with extensive similarity to the mammalian splicing factor U2AF65. Thus, this study provides evidence that a U2AF homolog participates in RNA processing in vivo.

Keywords

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