DOI: 10.1042/bst0381602. Pat1 proteins: a life in translation, translation repression and mRNA decay

Pat1 proteins: a life in translation, translation repression and mRNA decay

10.1042/bst0381602

Crossref journal-article

Portland Press Ltd.

Biochemical Society Transactions (288)

Abstract

Pat1 proteins are conserved across eukaryotes. Vertebrates have evolved two Pat1 proteins paralogues, whereas invertebrates and yeast only possess one such protein. Despite their lack of known domains or motifs, Pat1 proteins are involved in several key post-transcriptional mechanisms of gene expression control. In yeast, Pat1p interacts with translating mRNPs (messenger ribonucleoproteins), and is responsible for translational repression and decapping activation, ultimately leading to mRNP degradation. Drosophila HPat and human Pat1b (PatL1) proteins also have conserved roles in the 5′→3′ mRNA decay pathway. Consistent with their functions in silencing gene expression, Pat1 proteins localize to P-bodies (processing bodies) in yeast, Drosophila, Caenorhabditis elegans and human cells. Altogether, Pat1 proteins may act as scaffold proteins allowing the sequential binding of repression and decay factors on mRNPs, eventually leading to their degradation. In the present mini-review, we present the current knowledge on Pat1 proteins in the context of their multiple functions in post-transcriptional control.

Bibliography

Marnef, A., & Standart, N. (2010). Pat1 proteins: a life in translation, translation repression and mRNA decay. Biochemical Society Transactions, 38(6), 1602â1607.

Authors 2

Aline Marnef (first)
Nancy Standart (additional)

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Dates

Type	When
Created	14 years, 9 months ago (Dec. 1, 2010, 10:07 a.m.)
Deposited	3 years, 9 months ago (Nov. 19, 2021, 4:42 a.m.)
Indexed	1 year, 1 month ago (Aug. 3, 2024, 7:23 a.m.)
Issued	14 years, 9 months ago (Nov. 24, 2010)
Published	14 years, 9 months ago (Nov. 24, 2010)
Published Online	14 years, 9 months ago (Nov. 24, 2010)
Published Print	14 years, 9 months ago (Dec. 1, 2010)

Funders 0

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BibTeX

@article{Marnef_2010, title={Pat1 proteins: a life in translation, translation repression and mRNA decay}, volume={38}, ISSN={1470-8752}, url={http://dx.doi.org/10.1042/bst0381602}, DOI={10.1042/bst0381602}, number={6}, journal={Biochemical Society Transactions}, publisher={Portland Press Ltd.}, author={Marnef, Aline and Standart, Nancy}, year={2010}, month=nov, pages={1602–1607} }

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