Poly(A)-binding proteins are required for diverse biological processes in metazoans

Richard W P Smith, Tajekesa K P Blee, Nicola K Gray

Research output: Contribution to journalArticlepeer-review

Abstract

PABPs [poly(A)-binding proteins] bind to the poly(A) tail of eukaryotic mRNAs and are conserved in species ranging from yeast to human. The prototypical cytoplasmic member, PABP1, is a multifunctional RNA-binding protein with roles in global and mRNA-specific translation and stability, consistent with a function as a central regulator of mRNA fate in the cytoplasm. More limited insight into the molecular functions of other family members is available. However, the consequences of disrupting PABP function in whole organisms is less clear, particularly in vertebrates, and even more so in mammals. In the present review, we discuss current and emerging knowledge with respect to the functions of PABP family members in whole animal studies which, although incomplete, already underlines their biological importance and highlights the need for further intensive research in this area.

Original languageEnglish
Pages (from-to)1229-37
Number of pages9
JournalBiochemical Society Transactions
Volume42
Issue number4
DOIs
Publication statusPublished - 1 Aug 2014

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