uORF Shuffling Fine-Tunes Gene Expression at a Deep Level of the Process

Upstream open reading frames (uORFs) are present in the 5’ leader sequences (or 5’ untranslated regions) upstream of the protein-coding main ORFs (mORFs) in eukaryotic polycistronic mRNA. It is well known that a uORF negatively affects translation of the mORF. Emerging ribosome profiling approaches...

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Main Author: Yukio Kurihara
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Plants
Subjects:
Online Access:https://www.mdpi.com/2223-7747/9/5/608
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author Yukio Kurihara
author_facet Yukio Kurihara
author_sort Yukio Kurihara
collection DOAJ
description Upstream open reading frames (uORFs) are present in the 5’ leader sequences (or 5’ untranslated regions) upstream of the protein-coding main ORFs (mORFs) in eukaryotic polycistronic mRNA. It is well known that a uORF negatively affects translation of the mORF. Emerging ribosome profiling approaches have revealed that uORFs themselves, as well as downstream mORFs, can be translated. However, it has also been revealed that plants can fine-tune gene expression by modulating uORF-mediated regulation in some situations. This article reviews several proposed mechanisms that enable genes to escape from uORF-mediated negative regulation and gives insight into the application of uORF-mediated regulation for precisely controlling gene expression.
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spelling doaj.art-329a207945e74aeb95a81a623100505c2023-11-20T00:00:29ZengMDPI AGPlants2223-77472020-05-019560810.3390/plants9050608uORF Shuffling Fine-Tunes Gene Expression at a Deep Level of the ProcessYukio Kurihara0Synthetic Genomics Research Group, RIKEN Center for Sustainable Resource Science, 1-7-22 Suehirocho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, JapanUpstream open reading frames (uORFs) are present in the 5’ leader sequences (or 5’ untranslated regions) upstream of the protein-coding main ORFs (mORFs) in eukaryotic polycistronic mRNA. It is well known that a uORF negatively affects translation of the mORF. Emerging ribosome profiling approaches have revealed that uORFs themselves, as well as downstream mORFs, can be translated. However, it has also been revealed that plants can fine-tune gene expression by modulating uORF-mediated regulation in some situations. This article reviews several proposed mechanisms that enable genes to escape from uORF-mediated negative regulation and gives insight into the application of uORF-mediated regulation for precisely controlling gene expression.https://www.mdpi.com/2223-7747/9/5/608uORFtranslationribosomeNMD
spellingShingle Yukio Kurihara
uORF Shuffling Fine-Tunes Gene Expression at a Deep Level of the Process
Plants
uORF
translation
ribosome
NMD
title uORF Shuffling Fine-Tunes Gene Expression at a Deep Level of the Process
title_full uORF Shuffling Fine-Tunes Gene Expression at a Deep Level of the Process
title_fullStr uORF Shuffling Fine-Tunes Gene Expression at a Deep Level of the Process
title_full_unstemmed uORF Shuffling Fine-Tunes Gene Expression at a Deep Level of the Process
title_short uORF Shuffling Fine-Tunes Gene Expression at a Deep Level of the Process
title_sort uorf shuffling fine tunes gene expression at a deep level of the process
topic uORF
translation
ribosome
NMD
url https://www.mdpi.com/2223-7747/9/5/608
work_keys_str_mv AT yukiokurihara uorfshufflingfinetunesgeneexpressionatadeepleveloftheprocess