mRNA Degradation Machinery in Plants

被引：58

作者：

Chiba, Yukako ^{[1
]}

Green, Pamela J. ^{[1
,2
,3
]}

机构：

[1] Univ Delaware, Delaware Biotechnol Inst, Newark, DE 19711 USA

[2] Univ Delaware, Dept Plant & Soil Sci, Newark, DE 19711 USA

[3] Univ Delaware, Coll Marine & Earth Studies, Newark, DE 19711 USA

来源：

JOURNAL OF PLANT BIOLOGY | 2009年 / 52卷 / 02期

关键词：

CYSTATHIONINE GAMMA-SYNTHASE; NONSENSE-MEDIATED DECAY; TERMINATION FACTOR ERF3; CIS-ACTING ELEMENTS; ENDONUCLEOLYTIC CLEAVAGE; DECAPPING ENZYME; POSTTRANSCRIPTIONAL AUTOREGULATION; UPF1; PHOSPHORYLATION; POLY(A) RIBONUCLEASE; TRANSGENIC TOBACCO;

D O I：

10.1007/s12374-009-9021-2

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Control of gene expression is exerted by multiple steps such as transcription, mRNA processing, mRNA export, mRNA degradation, translation, and posttranslational events. Recent discovery of small RNAs has enhanced the impact of posttranscriptional regulation, in particular, alterations in mRNA stability in the regulation of gene expression. Therefore, mRNA turnover is an important process not only for setting the basal level of gene expression but also as a regulatory step. Compared to the mechanism of transcription, much less information is available regarding mRNA degradation machineries. However, in the past several years, various components involved in the mRNA degradation process have been identified in eukaryotes. In particular, progress in the plant field has revealed the involvement of mRNA turnover in a wide variety of developmental processes and hormonal responses. Here, we provide an overview of machineries involved in general mRNA degradation and mRNA surveillance systems in plants.

引用

页码：114 / 124

页数：11

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