Article
Dual requirement for yeast hnRNP Nab2p in mRNA poly(A) tail length control and nuclear export.
The EMBO journal - 2 Apr 2002
Hector Ronald E, Nykamp Keith R, Dheur Sonia, Anderson James T, Non Priscilla J, Urbinati Carl R, Wilson Scott M, Minvielle-Sebastia Lionel, Swanson Maurice S
Abstract excerpt
Recent studies of mRNA export factors have provided additional evidence for a mechanistic link between mRNA 3'-end formation and nuclear export. Here, we identify Nab2p as a nuclear poly(A)-binding protein required for both poly(A) tail length control and nuclear export of mRNA. Loss of NAB2 expression leads to hyperadenylation and nuclear accumulation of poly(A)(+) RNA but, in contrast to mRNA export mutants,...
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