Journal
TRENDS IN PLANT SCIENCE
Volume 9, Issue 11, Pages 541-547Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2004.09.007
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Pre-messenger RNA (pre-mRNA) splicing, a process by which mature mRNAs are generated by excision of introns and ligation of exons, is an important step in the regulation of gene expression in all eukaryotes. Selection of alternative splice sites in a pre-mRNA generates multiple mRNAs from a single gene that encode structurally and functionally distinct proteins. Alternative splicing of pre-mRNAs contributes greatly to the proteomic complexity of plants and animals and increases the coding potential of a genome. However, the mechanisms that regulate constitutive and alternative splicing of pre-mRNA are not understood in plants. A serine/arginine-rich (SR) family of proteins is implicated in constitutive and alternative splicing of pre-mRNAs. Here I review recent progress in elucidating the roles of serine/arginine-rich proteins in pre-mRNA splicing.
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